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CALCIUM HYPOCHLORITE

Calcium hypochlorite is a white and dry granular with a purity of 60± 3%. 
Calcium hypochlorite granules dissolve in water easily and are mainly used in water treatment for disinfection and removal of bacteria, algae and micro-organisms.
Calcium hypochlorite is known to be the active ingredient in many commercial bleaching agents such as bleaching powder, chlorinated lime, and chlorine powder. 

CAS Number: 7778-54-3
EC Number: 231-908-7
Molecular Formula: Ca.2ClHO
Molecular Weight: 142.98

The most important application of calcium hypochlorite is in the sanitization of public swimming pools. 
Calcium hypochlorite is also used to disinfect drinking water. 
As an oxidizing agent, calcium hypochlorite is also used in several organic reactions.

Calcium hypochlorite is an inorganic compound with formula Ca(OCl)2. 
Calcium hypochlorite is a white solid, although commercial samples appear yellow. 

Calcium hypochlorite strongly smells of chlorine, owing to Calcium hypochlorite slow decomposition in moist air. 
Calcium hypochlorite is relatively stable as a solid and solution and has greater available chlorine than sodium hypochlorite.

"Pure" samples have 99.2% active chlorine. Given common industrial purity, an active chlorine content of 65-70% is typical.
Calcium hypochlorite is the main active ingredient of commercial products called bleaching powder, used for water treatment and as a bleaching agent.

Calcium hypochlorite has oxidizing properties. 
Calcium hypochlorite participates as an oxidant in the preparation of diamine-benzoquinone polymers.
Calcium hypochlorite is generally used for water disinfection and as a bleaching agent.

Calcium hypochlorite is commonly referred to as bleaching powder or calcium oxychloride. 
Calcium hypochlorite is an ionic compound that is made up of a calcium cation (Ca2+) and two hypochlorite anions (ClO–). 
Despite being quite stable at room temperatures, calcium hypochlorite slowly decomposes in moist environments, giving Calcium hypochlorite a characteristic ‘chlorine’ smell.

Calcium hypochlorite was previously registered under the REACH Regulation but the registration is no longer valid.
Calcium hypochlorite is used at industrial sites.

Calcium Hypochlorite is generally immediately available in most volumes, including bulk quantities. 

Calcium Hypochlorite (Ca(OCl)2) is an inorganic compound, marketed as granules or tablets, used for water treatment and as bleaching agent due the very high content of available chlorine, 65-70%, greater than sodium hypochlorite.
Calcium hypochlorite production process basically consists of hydrated lime reaction with gaseous chlorine.

Calcium hypochlorite, hydrated is a white granular solid or tablets compressed from the granules having an odor of chlorine. 
Calcium hypochlorite is noncombustible, but Calcium hypochlorite will accelerate the burning of combustible materials. 

Calcium hypochlorite is decomposed by water with evolution of chlorine gas and heat. 
Prolonged exposure to fire or heat may result in the vigorous decomposition of the material and rupture of the container. 

Material containing less than 39% available chlorine may undergo reactions as described above though Calcium hypochlorite may take longer to initiate, and the resulting reactions may not be as vigorous. 
Calcium hypochlorite is used for water purification, disinfectant for swimming pools, for bleaching paper and textiles, and for many other uses.

Calcium hypochlorite appears as a white granular solid (or tablets compressed from the granules) with an odor of chlorine. 
Calcium hypochlorite is toxic, irritating to the skin. 

Calcium hypochlorite is noncombustible, but will accelerate the burning of combustible materials. 
Calcium hypochlorite is prolonged exposure to fire or heat may result in the vigorous decomposition of the material and rupture of the container. 

Diluted samples may undergo reactions as described above if they contain less than 39% available chlorine but take longer to become involved and react less vigorously. 
Calcium hypochlorite is used for water purification, disinfectant for swimming pools, for bleaching paper and textiles.

Calcium hypochlorite is a white solid that contains 65% available chlorine and dissolves easily in water. 
Calcium hypochlorite is very stable and can be stored for an extended period of time. 

Calcium hypochlorite is a corrosive material with a strong odor. 
Reactions between calcium hypochlorite and organic material can generate enough heat to cause a fire or explosion. 

Calcium hypochlorite must be kept away from organic materials such as wood, cloth, and petroleum products. 
Calcium hypochlorite readily absorbs moisture, forming chlorine gas.

Calcium hypochlorite can be dissolved in a mixing/holding tank and injected in the same manner as sodium hypochlorite. 
Alternatively, where the pressure can be lowered to atmospheric, such as at a storage tank, tablets of calcium hypochlorite can be directly dissolved in the free flowing water.

Calcium hypochlorite is generally available as a white powder, pellets, or flat plates. 
Calcium hypochlorite decomposes readily in water or when heated, releasing oxygen and chlorine. 

Calcium hypochlorite has a strong chlorine odor, but odor may not provide an adequate warning of hazardous concentrations. 
Calcium hypochlorite is not flammable, but Calcium hypochlorite acts as an oxidizer with combustible material and may react explosively with ammonia, amines, or organic sulfides. 
Calcium hypochlorite should be stored in a dry, well ventilated area at a temperature below 120ºF (50ºC) separated from acids, ammonia, amines, and other chlorinating or oxidizing agents.

Sodium hypochlorite is generally sold in aqueous solutions containing 5 to 15% sodium hypochlorite, with 0.25 to 0.35% free alkali (usually NaOH) and 0.5 to 1.5% NaCl. 
Solutions of up to 40% sodium hypochlorite are available, but solid sodium hypochlorite is not commercially used. 

Sodium hypochlorite solutions are a clear, greenish yellow liquid with an odor of chlorine. 
Odor may not provide an adequate warning of hazardous concentrations. 

Sodium hypochlorite solutions can liberate dangerous amounts of chlorine or chloramine if mixed with acids or ammonia. 
Anhydrous sodium hypochlorite is very explosive. 
Hypochlorite solutions should be stored at a temperature not exceeding 20ºC away from acids in well-fitted air-tight bottles away from sunlight.

Calcium hypochlorite is an inorganic compound with formula Ca(ClO)2. 
Calcium hypochlorite is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agent. 
Calcium hypochlorite is relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). 

Calcium hypochlorite is a white solid, although commercial samples appear yellow. 
Calcium hypochlorite strongly smells of chlorine, owing to Calcium hypochlorite slow decomposition in moist air. 

Calcium hypochlorite is not highly soluble in hard water, and is more preferably used in soft to medium-hard water. 
Calcium hypochlorite has two forms: dry (anhydrous); and hydrated (hydrous).

Applications of Calcium hypochlorite:
Calcium hypochlorite is often used to disinfect large volumes of water in order to make Calcium hypochlorite safe to drink. 
Calcium hypochlorite is also widely used in swimming pools to sanitize the water body and destroy the germs present in Calcium hypochlorite. 

Some other uses of calcium hypochlorite are listed below:
Since Calcium hypochlorite is a good oxidizing agent, Calcium hypochlorite is quite useful in the field of organic chemistry.
Calcium hypochlorite is used to obtain fragmented aldehydes/carboxylic acids by cleaving the bonds in glycols and keto acids.

Calcium hypochlorite can also be used in the halo form reaction to yield chloroform.
Calcium hypochlorite can be used to disinfect both wastewater and drinking water since Calcium hypochlorite has a high chlorine availability.

Calcium hypochlorite may be used as an oxidant for the following conversions:
Aldehydes to the corresponding acids.
Primary aliphatic alcohols to methyl esters.
Aliphatic primary alcohols to the corresponding carboxylic acids.

Calcium hypochlorite may be used in the following conversions:
Aldehydes to the corresponding acids.
Primary aliphatic alcohols to methyl esters.

Primary benzyl alcohols to methyl benzoates.
Propargylic alcohols to the corresponding aldehydes and ketones.

Uses of Calcium hypochlorite:
Calcium hypochlorite is used for swimming pool sanitation and other water treatment.
Calcium hypochlorite is used in industries to disinfect, to control mildew, and to bleach textiles and paper.

Calcium hypochlorite is used in disinfectant for drinking water and swimming pools; algicide; oxidizing agent; as household and industrial bleaching agent and sanitizer
Calcium hypochlorite is used to cleanup hydrazine spills. 

Chlorinated lime 2% strength used on grossly contaminated premises.
Boric acid often used with Calcium hypochlorite.

Sodium and calcium hypochlorite are manufactured by the chlorination of sodium hydroxide or lime. 
Sodium and calcium hypochlorite are used primarily as oxidizing and bleaching agents or disinfectants. 
They are components of commercial bleaches, cleaning solutions, and disinfectants for drinking water and waste water purification systems and swimming pools.

Sanitation:
Calcium hypochlorite is commonly used to sanitize public swimming pools and disinfect drinking water. 
Generally the commercial substances are sold with a purity of 65% to 73% with other chemicals present, such as calcium chloride and calcium carbonate, resulting from the manufacturing process. 
In solution, calcium hypochlorite could be used as a general purpose sanitizer, but due to calcium residue (making the water harder), sodium hypochlorite (bleach) is usually preferred.

Organic chemistry:
Calcium hypochlorite is a general oxidizing agent and therefore finds some use in organic chemistry.
For instance Calcium hypochlorite is used to cleave glycols, α-hydroxy carboxylic acids and keto acids to yield fragmented aldehydes or carboxylic acids.

Calcium hypochlorite can also be used in the haloform reaction to manufacture chloroform.
Calcium hypochlorite can be used to oxidize thiol and sulfide byproducts in organic synthesis and thereby reduce their odour and make them safe to dispose of.
Calcium hypochlorite used in organic chemistry is similar to the sanitizer at ~70% purity.

Biocidal Uses:
Calcium hypochlorite is approved for use as a biocide in the EEA and/or Switzerland, for: disinfection, veterinary hygiene, food and animals feeds, drinking water.
Calcium hypochlorite is being reviewed for use as a biocide in the EEA and/or Switzerland, for: preservation for liquid systems.

Industrial Processes with risk of exposure:
Pulp and Paper Processing
Using Disinfectants or Biocides
Sewer and Wastewater Treatment
Textiles (Printing, Dyeing, or Finishing)

Advantages of Calcium hypochlorite:
Calcium hypochlorite is relatively stable, is similar to sodium hypochlorite in disinfection properties and has greater available chlorine than sodium hypochlorite (liquid bleach).

Calcium hypochlorite  has excellent stability when kept in dry storage, maintaining its potency over time. 
Commercial grades ofvCalcium hypochlorite generally contain about 70% available chlorine making Calcium hypochlorite appropriate for both drinking water and wastewater applications.

Calcium Hypochlorite is appropriate for both drinking water and wastewater applications.

Production of Calcium hypochlorite:
Calcium hypochlorite is produced industrially by treating moist slaked lime (Ca(OH)2) with chlorine. 

The one-step reaction is shown below:
2 Cl2 + 2 Ca(OH)2 → Ca(OCl)2 + CaCl2 + 2 H2O

Industrial setups allow for the reaction to be conducted in stages to give various compositions, each producing different ratios of calcium hypochlorite, unconverted lime, and calcium chloride.
In one process, the chloride-rich first stage water is discarded, while the solid precipitate is dissolved in a mixture of water and lye for another round of chlorination to reach the target purity.
Commercial calcium hypochlorite consists of anhydrous Ca(OCl)2, dibasic calcium hypochlorite Ca3(OCl)2(OH)4 (also written as Ca(OCl)2·2Ca(OH)2), and dibasic calcium chloride Ca3Cl2(OH)4 (also written as CaCl2·2Ca(OH)2).

Reactions of Calcium hypochlorite:
Calcium hypochlorite reacts rapidly with acids producing calcium chloride, chlorine gas, and water:
Ca(ClO)2 + 4HCl → CaCl2 + 2Cl2 + 2H2O

Preparation of Calcium hypochlorite:
Calcium hypochlorite is commercially available in Calcium hypochlorite anhydrous and hydrated forms and is one of the key ingredients of chlorine powder and bleaching powder. 
Ca(ClO)2 is produced on an industrial scale via the reaction of chlorine gas with calcium hydroxide.

The chemical equation for this reaction is provided below:
2Ca(OH)2 + 2Cl2 → Ca(ClO)2 + H2O + CaCl2

Generally, bleaching powder is a mixture of calcium hypochlorite, Calcium hypochlorite dibasic form (Ca(ClO2).2Ca(OH)2), and the dibasic form of calcium chloride (CaCl2.2Ca(OH)2). 
Since Calcium hypochlorite contains two ClO– ions, Calcium hypochlorite has a high chlorine availability when compared to sodium hypochlorite (NaOCl).

Structure of Calcium hypochlorite:
Calcium hypochlorite consists of one Ca+ ion and two ClO– ions.
Each chlorite ion has a charge of -1 whereas the calcium ion has a charge of +2. 
Therefore, one calcium cation can form ionic bonds with two hypochlorite ions.

Properties of Calcium hypochlorite:

Physical Properties:
Calcium hypochlorite is a white/grey solid at room temperatures.
Calcium hypochlorite solubility in water is 21g/100 mL and Calcium hypochlorite reacts with the water when dissolved.

Calcium hypochlorite solubility in hard water is relatively low when compared to Calcium hypochlorite solubility in soft/medium-hard water.
Calcium hypochlorite has a strong smell of chlorine (because Calcium hypochlorite reacts with the water molecules present in air).

Chemical Properties:
Calcium hypochlorite acts as a strong base since Calcium hypochlorite readily accepts H+ When dissolved in water, the hypochlorite anion accepts a proton from H2O, liberating an OH– ion.
The chemical reaction is given by ClO– + H2O → HClO + OH–

Calcium hypochlorite is also a powerful oxidizing agent since Calcium hypochlorite can readily accept an electron.
Calcium hypochlorite reacts with hydrochloric acid, yielding calcium chloride (CaCl2), water, and chlorine gas (Cl2).
The chemical equation for this reaction is 4HCl + Ca(ClO)2 → CaCl2 + Cl2 + H2O

Pharmacology and Biochemistry of Calcium hypochlorite:

Bionecessity:
Hypochlorous ions are physiologically present in the human body, being formed by white blood cells (neutrophils and monocytes) as a powerful antimicrobial agent during inflammation process. 
When the recognition of "non-self" proteins in an invading micro-organism triggers the immune response, the enzyme myeloperoxidase located in mammalian neutrophils catalyses hypochlorous acid formation trough the oxidation of chloride ion in combination with hydrogen peroxide. 

The endogenously formed hypochlorous acid plays a key role in the process of phagocytosis through which bacteria are killed. 
Due to Calcium hypochlorite potent cytotoxic action, hypochlorite is also responsible for neutrophil-mediated tissue damage associated with the inflammatory response. 

Calcium hypochlorite high efficiency as antimicrobial agent is associated with the lack of a catalytically active detoxifying mechanism for HOCl in both bacteria and mammalian cells. 
Although Calcium hypochlorite has been suggested that HOCl-induced cytotoxicity can be associated to the degradation of a number of functionally important molecules the primary mechanism of action is still not fully elucidated.

Action Mechanism of Calcium hypochlorite:
Hypochlorous ions are physiologically present in the human body, being formed by white blood cells (neutrophils and monocytes) as a powerful antimicrobial agent during inflammation process. 
When the recognition of "non-self" proteins in an invading micro-organism triggers the immune response, the enzyme myeloperoxidase located in mammalian neutrophils catalyses hypochlorous acid formation trough the oxidation of chloride ion in combination with hydrogen peroxide. 

The endogenously formed hypochlorous acid plays a key role in the process of phagocytosis through which bacteria are killed. 
Due to Calcium hypochlorite potent cytotoxic action, hypochlorite is also responsible for neutrophil-mediated tissue damage associated with the inflammatory response. 

Calcium hypochlorite high efficiency as antimicrobial agent is associated with the lack of a catalytically active detoxifying mechanism for HOCl in both bacteria and mammalian cells. 
Although Calcium hypochlorite has been suggested that HOCl-induced cytotoxicity can be associated to the degradation of a number of functionally important molecules the primary mechanism of action is still not fully elucidated.

History of Calcium hypochlorite:
Charles Tennant and Charles Macintosh developed an industrial process for the manufacture of Chloride of Lime in the late 18th Century.
Calcium hypochlorite was patented in 1799 and used heavily during World War I for disinfecting the trenches and wounds.

Safety of Calcium hypochlorite:
Calcium hypochlorite is a strong oxidizing agent, as Calcium hypochlorite contains a hypochlorite ion at the valence +1 (redox state: Cl+1).

Calcium hypochlorite should not be stored wet and hot, or near any acid, organic materials, or metals. 
The unhydrated form is safer to handle.

Handling and Storage of Calcium hypochlorite:

Nonfire Spill Response:
Keep combustibles (wood, paper, oil, etc.) away from spilled material.
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. 

Stop leak if you can do Calcium hypochlorite without risk. 
Do not get water inside containers. 

SMALL DRY SPILL: 
With clean shovel, place material into clean, dry container and cover loosely; move containers from spill area. 

SMALL LIQUID SPILL: 
Use a non-combustible material like vermiculite or sand to soak up the product and place into a container for later disposal. 

LARGE SPILL: 
Dike far ahead of liquid spill for later disposal. 

Safe Storage:
Store in an area without drain or sewer access. 
Separated from food and feedstuffs.

Storage Conditions:
Store in a cool, dry, well-ventilated location at a temperature below 120 °F (50 °C) to avoid slow decomposition. 
Separate from oxidizing materils, acids, ammonia, amines, and other chlorinating agents. 

Immediately remove and properly dispose of any spilled material. 
The bulk material may ignite or explode in storage. 

Traces of water may initiate the reaction.
Store in an area without drain or sewer access. 

First Aid Measures of Calcium hypochlorite:
Call 911 or emergency medical service. 
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. 

Move victim to fresh air if Calcium hypochlorite can be done safely. 
Give artificial respiration if victim is not breathing. 

Administer oxygen if breathing is difficult. 
Remove and isolate contaminated clothing and shoes. 

Contaminated clothing may be a fire risk when dry. 
In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. 
Keep victim calm and warm.

Fire Fighting of Calcium hypochlorite:

SMALL FIRE: 
Use water. 
Do not use dry chemicals or foams. 
CO2 or Halon may provide limited control. 

LARGE FIRE: 
Flood fire area with water from a distance. 
Do not move cargo or vehicle if cargo has been exposed to heat. 
If Calcium hypochlorite can be done safely, move undamaged containers away from the area around the fire. 

FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: 
Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. 
Cool containers with flooding quantities of water until well after fire is out. 

ALWAYS stay away from tanks engulfed in fire. 
For massive fire, use unmanned master stream devices or monitor nozzles; if this is impossible, withdraw from area and let fire burn.
Use water in large amounts. 

In case of fire: 
Keep drums, etc., cool by spraying with water.

Fire Fighting Procedures:

If material involved in fire: 
Extinguish using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) 
Use water in flooding quantities as fog. 

Cool all affected containers with flooding quantities of water. 
Apply water from as far a distance as possible. 

Personnel protection:
Wear positive pressure self-contained breathing apparatus when fighting fires involving this material.
Approach fire from upwind to avoid hazardous vapors and toxic decomposition products. 

Use flooding quantities of water as fog or spray. 
Use water spray to keep fire-exposed containers cool. 

Fight fire from protected location or maximum possible distance. 
Do not use dry chemical fire extinguishers containing ammonium compounds.

Firefighting Hazards:
Since a calcium hypochlorite fire will generate Calcium hypochlorite own oxygen, attempts to smother Calcium hypochlorite will not be effective, and it must be quenched with water.

Accidental Release Measures of Calcium hypochlorite:

IMMEDIATE PRECAUTIONARY MEASURE: 
Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. 

LARGE SPILL: 
Consider initial downwind evacuation for at least 100 meters (330 feet). 

FIRE: 
If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. 
If ammonium nitrate is in a tank, rail car or tank truck and involved in a fire, ISOLATE for 1600 meters (1 mile) in all directions; also, initiate evacuation including emergency responders for 1600 meters (1 mile) in all directions.

Spillage Disposal of Calcium hypochlorite:

Personal protection:
Chemical protection suit, face shield and filter respirator for organic gases and vapours adapted to the airborne concentration of Calcium hypochlorite. 
Do NOT let Calcium hypochlorite enter the environment. 

Sweep spilled substance into covered air-tight, dry containers. 
Then store and dispose of according to local regulations.

Cleanup Methods of Calcium hypochlorite:

Personal protection:
Chemical protection suit, face shield and filter respirator for organic gases and vapours adapted to the airborne concentration of Calcium hypochlorite. 
Do NOT let Calcium hypochlorite enter the environment. 

Sweep spilled substance into covered air-tight, dry containers. 
Then store and dispose of according to local regulations.

Disposal Methods of Calcium hypochlorite:
Dissolve Calcium hypochlorite in water and add to a large vol of concn reducing agent soln, then acidify the mixture with H2SO4. 
When reduction is complete, soda ash is added to make the soln alkaline. 
The alkaline liquid is decanted from any sludge produced, neutralized, and diluted before discharge to a sewer or stream. 

Identifiers of Calcium hypochlorite:
CAS Number: 7778-54-3
ChEBI: CHEBI:31342
ChEMBL: ChEMBL2251447
ChemSpider: 22912
ECHA InfoCard: 100.029.007
EC Number: 231-908-7
KEGG: D01727
PubChem CID: 24504
RTECS number: NH3485000
UNII: 11DXB629VZ
UN number: 1748 2208
CompTox Dashboard (EPA): DTXSID1029700
InChI: InChI=1S/Ca.2ClO/c;2*1-2/q+2;2*-1
Key: ZKQDCIXGCQPQNV-UHFFFAOYSA-N
InChI=1S/Cacl.ClO/c;1-2/q+2;2*-1
Key: ZKQDCIXGCQPQNV-UHFFFAOYAV
SMILES: Cl[O-].[Ca+2].Cl[O-]

CAS number: 7778-54-3
EC index number: 017-012-00-7
EC number: 231-908-7
Hill Formula: CaCl₂O₂
Chemical formula: Ca(OCl)₂
Molar Mass: 142.99 g/mol
HS Code: 2828 10 00
Quality Level: MQ200

EC / List no.: 231-908-7
CAS no.: 7778-54-3
Mol. formula: Ca.2ClHO

Linear Formula: Ca(OCl)2
CAS Number: 7778-54-3
Molecular Weight: 142.98
EC Number: 231-908-7
MDL number: MFCD00010900
PubChem Substance ID: 329752091
NACRES: NA.55

Linear Formula: Ca(OCl)2
MDL Number: MFCD00010900
EC No.: 231-908-7
Beilstein/Reaxys No.: N/A
Pubchem CID: 24504
IUPAC Name: calcium; dihypochlorite
SMILES: [O-]Cl.[O-]Cl.[Ca+2]
InchI Identifier: InChI=1S/Ca.2ClO/c;2*1-2/q+2;2*-1
InchI Key: ZKQDCIXGCQPQNV-UHFFFAOYSA-N

Typical Properties of Calcium hypochlorite:
Chemical formula: Ca(OCl)2
Molar mass: 142.98 g/mol
Appearance: white/gray powder
Density: 2.35 g/cm3 (20 °C)
Melting point: 100 °C (212 °F; 373 K)
Boiling point: 175 °C (347 °F; 448 K) decomposes
Solubility in water: 21 g/100 mL at 25 °C
Solubility: reacts in alcohol

Density: 2.350 g/cm3
Melting Point: 100 °C
Solubility: 200 g/l (decomposition)

Grade: technical grade
Quality Level: 100
Assay: ≥65% chlorine basis (by Na2S2O3, titration)
Form: powder or granules - solid
Composition: available chlorine, 65%
Reaction suitability: reagent type: oxidant
mp: 100 °C (lit.)
Density: 2.35 g/mL at 25 °C (lit.)
SMILES string:MClO[Ca]OCl
InChI: 1S/Ca.2ClO/c;2*1-2/q+2;2*-1
InChI key: ZKQDCIXGCQPQNV-UHFFFAOYSA-N

Molecular Formula: Ca(ClO)2
Molar Mass: 142.98 g/mol
Appearance: White/gray powder
Density: 2.35 g/cm3 (20 °C)
Melting point: 100 °C (212 °F; 373 K)
Boiling point: 175 °C (347 °F; 448 K) decomposes
Solubility in water: 21 g/100 mL, reacts
Solubility: reacts in alcohol

Compound Formula: CaCl2O2
Molecular Weight: 142.98
Appearance: Beige Powder
Melting Point: 100°C
Boiling Point: N/A
Density: 2.35 g/cm3
Solubility in H2O: N/A
Exact Mass: 141.890126
Monoisotopic Mass: 141.890126

Molecular Weight: 142.98
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 2
Rotatable Bond Count: 0
Exact Mass: 141.8901255
Monoisotopic Mass: 141.8901255
Topological Polar Surface Area: 46.1 Ų
Heavy Atom Count: 5
Complexity: 2
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 3
Compound Is Canonicalized: Yes

Specifications of Calcium hypochlorite:
Assay (iodometric): 67.0 - 75.0 %
Identity: passes test

Related Compounds of Calcium hypochlorite:

Other anions:: 
Calcium chloride

Other cations:: 
Sodium hypochlorite

Names of Calcium hypochlorite:

Regulatory process names:
Active chlorine released from calcium hypochlorite
Calcium hypochlorite
Calcium hypochlorite
calcium hypochlorite
CALCIUM HYPOCHLORITE MIXTURE, DRY with more than 10% but not more than 39% available chlorine
CALCIUM HYPOCHLORITE MIXTURE, DRY, CORROSIVE with more than 10% but not more than 39% available chlorine
CALCIUM HYPOCHLORITE, DRY or CALCIUM HYPOCHLORITE MIXTURE, DRY with more than 39% available chlorine (8.8% available oxygen)
CALCIUM HYPOCHLORITE, DRY, CORROSIVE or CALCIUM HYPOCHLORITE MIXTURE, DRY, CORROSIVE with more than 39% available chlorine (8.8% available oxygen)
CALCIUM HYPOCHLORITE, HYDRATED or CALCIUM HYPOCHLORITE HYDRATED MIXTURE, with not less than 5.5% but not more than 16% water
CALCIUM HYPOCHLORITE, HYDRATED or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, with not less than 5.5% but not more than 16% water
CALCIUM HYPOCHLORITE, HYDRATED, CORROSIVE or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, CORROSIVE with not less than 5.5% but not more than 16% water
CALCIUM HYPOCHLORITE, HYDRATED, or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, with not less than 5.5% but not more than 16% water

Translated names:
Actief chloor, verkregen uit natriumhypochloriet (nl)
Aktivchlor, freigesetzt aus Calciumhypochlorit (de)
aktivni klor oslobođen iz kalcijeva hipoklorita (hr)
Aktivni klor, ki se sprošča iz kalcijevega hipoklorita (sl)
aktivní chlór uvolněný z chlornanu vápenatého (cs)
Aktivt chlor afgivet fra calciumhypochlorit (da)
Aktivt klor frigitt fra kalsiumhypokloritt (no)
Aktivt klor genererat från kalciumhypoklorit (sv)
Aktywny chlor uwalniany z podchlorynu wapnia (pl)
aktívny chlór uvoľnený z chlórnanu vápenatého (sk)
Aktīvais hlors, kas iegūts no kalcija hipohlorīta (lv)
calciumhypochloriet (nl)
calciumhypochlorit (da)
Calciumhypochlorit (de)
chloran(I) wapnia (pl)
Chlore actif libéré à partir d’hypochlorite de calcium (fr)
chlornan vápenatý (cs)
chlórnan vápenatý (sk)
Clor activ eliberat din hipoclorit de calciu (ro)
Cloro activo liberado a partir de hipoclorito de calcio (es)
Cloro ativo libertado por hipoclorito de cálcio (pt)
Cloro attivo rilasciato da ipoclorito di calcio (it)
hipoclorit de calciu (mt)
hipoclorit de calciu (ro)
hipoclorito de calcio (es)
hipoclorito de cálcio (pt)
hypochlorite de calcium (fr)
ipoclorito di calcio (it)
Iš kalcio hipochlorito išskirtas aktyvusis chloras (lt)
kalcija hipohlorīts (lv)
kalcijev hipoklorit (hr)
kalcijev hipoklorit (sl)
kalcio hipochloritas (lt)
Kalcium-hipokloritból felszabaduló aktív klór (hu)
kalciumhypoklorit (sv)
Kalsiumhypokloriitista vapautunut aktiivinen kloori (fi)
Biocidal active substances
Kalsiumhypokloriitti (fi)
kalsiumhypokloritt (no)
kaltsiumhüpoklorit (et)
Kaltsiumhüpokloritist vabanenud aktiivkloor (et)
Kloru attiv rilaxxat mill-ipoklorit tal-kalċju (mt)
kálcium -hipoklorit (hu)
podchloryn wapnia (pl)
Ενεργό χλώριο εκλυόμενο από υποχλωριώδες ασβέστιο (el)
υποχλωριώδες ασβέστιο (el)
Активен хлор, освободен от калциев хипохлорит (bg)
калциев хипохлорит (bg)

CAS names:
Hypochlorous acid, calcium salt (2:1)

IUPAC names:
Active chlorine released from calcium hypochlorite
calcio ipoclorito
calcium dihypochlorite
CALCIUM HYPOCHLORITE
Calcium Hypochlorite
Calcium hypochlorite
calcium hypochlorite
Calcium hypochlorite 65%
calcium hypoclorite
Calcium Oxychloride
calcium-hypochlorite-
calcium;dihypochlorite
Calciumhypochlorit
calciun hypochlorite
Hypochlorite de calcium - chlore stabilise granule
Reaction mass of calcium carbonate and calcium dihydroxide and calcium chlorate
Reaction mass of calcium carbonate and calcium dihydroxide and sodium chloride and potassium bromide and calcium chloride and calcium chlorate
Reaction mass of calcium dihydroxide and calcium chloride

Trade names:
Calcium Hypochlorite (Grades A, B)
Chlorinated Lime (Grades A, B)

Other names:
Hypochlorous acid calcium salt
bleaching powde
chloride of lime

Other identifiers:
017-012-00-7
104381-95-5
104381-95-5
1296807-06-1
1296807-06-1
129904-51-4
129904-51-4
1332-17-8
1332-17-8
56172-56-6
56172-56-6
7778-54-3

Synonyms of Calcium hypochlorite:
CALCIUM HYPOCHLORITE
7778-54-3
Calcium hypochloride
Hypochlorous acid, calcium salt
Bleaching powder
Hypochlorous acid, calcium salt (2:1)
11DXB629VZ
Pittchlor
Pittcide
Pittclor
Sentry
Chemichlor G
Chlorine of lime
Solvox KS
T-Eusol
Chlorolime chemical
Caswell No. 145
HTH (bleaching agent)
Chloride of lime(DOT)
Calcium chlorohypochloride
Calcium chlorohydrochlorite
Hipoclorito calcico
Hipoclorito calcico [Spanish]
Bleaching powder(DOT) (VAN)
calcium dihypochlorite
CCRIS 9132
HSDB 914
Hypochlorite de calcium [French]
Hypochlorite de calcium
EINECS 231-908-7
NSC 21546
UN1748
EPA Pesticide Chemical Code 014701
UN 1748
UNII-11DXB629VZ
EC 231-908-7
CHEMBL2251447
DTXSID1029700
CHEBI:31342
CALCIUM HYPOCHLORITE [MI]
CALCIUM HYPOCHLORITE [HSDB]
CALCIUM HYPOCHLORITE [INCI]
AKOS015848494
AKOS015902937
DB-023010
D01727
Q407300
Losantin
hypochlorous acid
calcium salt
BK powder
Hy-Chlor
chlorinated lime
lime chloride
chloride of lime
calcium oxychloride
HTH
mildew remover X-14
perchloron
pittchlor
Clorox
bleach
liquid bleach
sodium oxychloride
Javex
antiformin
showchlon
chlorox
B-K
Carrel-dakin solution
Chloros
Dakin's solution
hychlorite
Javelle water
Mera Industries 2MOm³B
Milton
modified dakin's solution
Piochlor
13% active chlorine.
 

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