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CAS Number : 3794-83-0
EC Number : 223-267-7
Molecular Formula : C2H4Na4O7P2
Molecular Weight : 293.96
Dequest 2016 is the sodium salt of Dequest 2010, is an good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.
Dequest 2016 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts.
Dequest 2016 is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250C.
Dequest 2016 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer.
In light woven industry, Dequest 2016 is used as detergent for metal and nonmetal.
In dyeing industry, Dequest 2016 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, Dequest 2016 is used as chelating agent.
APPLICATIONS of Dequest 2016:
Dequest 2016 is mainly used as a Scale & Corrosion Inhibitor, chelating (Sequestrating), deflocculating agent in Cooling and Boiler water treatment, Textile Dying, Detergents etc.
Dequest 2016 is an aqueous solution of the sodium salt of the chelating acid HEDP which softens water.
Dequest 2016 suppresses the precipitation of Calcium Carbonate, Calcium Sulphate and other scalants.
Dequest 2016 inhibits corrosion by film forming at metal surfaces.
Dequest 2016 is active in the pH 1-13 range and has high temperature stability upto about 130 – 140 0C.
Dequest 2016 has soil dispersing and deflocculation abilities and anti-redeposition properties.
Use and Manufacturing of Dequest 2016
Used mainly in laundry detergents; Used to make ceramics, cement, washing-cleaning products, metal surface treatment products (including those for galvanizing and electroplating), paints-coatings-thinners, agrochemicals, in industrial water treatment, oilfield water systems, the textile and paper industries, water desalination systems, and in the generic formulation and production of a wide range of other products;
Industry Uses of Dequest 2016
-Anti-scaling agent
-Chelating agent
-Cleaning agent
-Flow promoter
Consumer Uses of Dequest 2016
-Anti-scaling agent
-Chelating agent
Household Products of Dequest 2016
Household & Commercial/Institutional Products
Information on 126 consumer products that contain Tetrasodium etidronate in the following categories is provided:
-Commercial / Institutional
-Inside the Home
-Personal Care
General Manufacturing Information
Industry Processing Sectors
-All Other Basic Organic Chemical Manufacturing
-Miscellaneous Manufacturing
-Oil and Gas Drilling, Extraction, and Support activities
-Services
-Soap, Cleaning Compound, and Toilet Preparation Manufacturing
Applications of Dequest 2016
- Alkaline laundry formulations
- Automatic dishwashing gels
- Hand dishwashing liquids
- Oven/grill cleaners
- Drain openers
- Kitchen cleaners
- All-purpose cleaners
- Waterless cleaners
Properties and Usage of Dequest 2016:
Dequest 2016 is the sodium salt of HEDP, HEDP.Na4 is a good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.
Dequest 2016 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.
First aid measures of Dequest 2016
Eye contact :
Immediately flush eyes with plenty of water, occasionally lifting the upper and lower eyelids.
Check for and remove any contact lenses.
Get medical attention if irritation occurs.
Inhalation :
Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical attention if symptoms occur.
Skin contact :
Flush contaminated skin with plenty of water.
Remove contaminated clothing and shoes.
Get medical attention if symptoms occur.
Ingestion :
Wash out mouth with water.
Remove victim to fresh air and keep at rest in a position comfortable for breathing.
If material has been swallowed and the exposed person is conscious, give small quantities of water to drink.
Do not induce vomiting unless directed to do so by medical personnel.
Get medical attention if symptoms occur.
Substance identity
EC / List no.: 223-267-7
CAS no.: 3794-83-0
Mol. formula: C2H8O7P2.4Na
Hazard classification & labelling of Dequest 2016
Warning! According to the classification provided by companies to ECHA in REACH registrations Dequest 2016 is harmful if swallowed and causes serious eye irritation.
About Dequest 2016
Dequest 2016 is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 000 to < 100 000 tonnes per annum.
Dequest 2016 is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.
Consumer Uses of Dequest 2016
Dequest 2016 is used in the following products: washing & cleaning products, fertilisers, cosmetics and personal care products, coating products and water softeners.
Other release to the environment of Dequest 2016 is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Article service life of Dequest 2016
Release to the environment of Dequest 2016 can occur from industrial use: industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal), industrial abrasion processing with high release rate (e.g. sanding operations or paint stripping by shot-blasting), in the production of articles and in processing aids at industrial sites.
Other release to the environment of Dequest 2016 is likely to occur from: indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment), indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), indoor use in long-life materials with high release rate (e.g. release from fabrics, textiles during washing, removal of indoor paints) and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
Dequest 2016 can be found in complex articles, with no release intended: vehicles and machinery, mechanical appliances and electrical/electronic products (e.g. computers, cameras, lamps, refrigerators, washing machines).
Dequest 2016 can be found in products with material based on: stone, plaster, cement, glass or ceramic (e.g. dishes, pots/pans, food storage containers, construction and isolation material), metal (e.g. cutlery, pots, toys, jewellery), wood (e.g. floors, furniture, toys), fabrics, textiles and apparel (e.g. clothing, mattress, curtains or carpets, textile toys) and paper (e.g. tissues, feminine hygiene products, nappies, books, magazines, wallpaper).
Widespread uses by professional workers of Dequest 2016
Dequest 2016 is used in the following products: water softeners, washing & cleaning products, air care products, fertilisers, polishes and waxes, cosmetics and personal care products and coating products.
Dequest 2016 is used in the following areas: agriculture, forestry and fishing and building & construction work.
Dequest 2016 is used for the manufacture of: textile, leather or fur and .
Other release to the environment of Dequest 2016 is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.
Formulation or re-packing of Dequest 2016
Dequest 2016 is used in the following products: pH regulators and water treatment products, washing & cleaning products, fertilisers, coating products, laboratory chemicals, leather treatment products, textile treatment products and dyes, cosmetics and personal care products, paper chemicals and dyes, polishes and waxes and water softeners.
Release to the environment of Dequest 2016 can occur from industrial use: formulation of mixtures.
Uses at industrial sites of Dequest 2016
Dequest 2016 is used in the following products: water softeners, washing & cleaning products, pH regulators and water treatment products and water treatment chemicals.
Dequest 2016 is used in the following areas: municipal supply (e.g. electricity, steam, gas, water) and sewage treatment and mining.
Dequest 2016 is used for the manufacture of: textile, leather or fur, pulp, paper and paper products, metals, fabricated metal products, machinery and vehicles and furniture.
Release to the environment of Dequest 2016 can occur from industrial use: in processing aids at industrial sites and in the production of articles.
Manufacture of Dequest 2016
Release to the environment of Dequest 2016 can occur from industrial use: manufacturing of the substance, formulation of mixtures and in processing aids at industrial sites.
Synonyms:
(1-Hydroxyethylidene)bisphosphonic acid, tetrasodium salt
(1-Hydroxyethylidene)diphosphonic acid, tetrasodium salt
1-Hydroxyethylidene-1,1-diphosphonic acid, tetrasodium salt
Defloc EN 43
Dequest 2016
Diphosphonic acid, (1-hydroxyethylidene)-, tetrasodium salt
Ethane-1-hydroxy-1,1-diphosphonic acid, tetrasodium salt
Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4)
Sequion 10Na4
Tarpinel 4NL
Tetrasodium (1-hydroxyethylidene)bisphosphonate
Tetrasodium (1-hydroxyethylidene)bisphosphonate
tetrasodium (1-hydroxyethylidene)bisphosphonate
Tetrasodium 1-hydroxyethane-1, 1-diphosphonate
Tetrasodium 1-hydroxyethylidene-1,1-diphosphonate
Tetrasodium etidronate
Turpinal 4NL
Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4)
1-Hydroxyethylidene-1,1-diphosphonic acid
Etidronic Acid, Tetrasodium Salt
HEDP 4Na
HEDP-4Na
HEDP-xNa Update
Hydroxyethylidene-1,1-diphosphonic acid tetrasodium salt
PHOSPHONIC ACID, (1-HYDROXYETHYLIDENE)BIS-, TETRA SODIUM SALT
Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
Phosphonic acid,P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4)
Tetra sodium (1-hydroxyethylidene)bisphosphonate
tetrasodium (1-hydroxy-1-phosphonatoethyl)phosphonate
tetrasodium (1-hydroxy-1-phosphonoethyl)phosphonate
tetrasodium (1-hydroxyethane-1,1-diyl)bis(phosphonate)
Tetrasodium (1-hydroxyethylidene) biphosphonate
Tetrasodium (1-hydroxyethylidene)bisphosphonate
tetrasodium (1-hydroxyethylidene)bisphosphonate
Tetrasodium (1-hydroxyethylidene)bisphosphonate
tetrasodium (1-hydroxyethylydene)bisphosphonate
tetrasodium 1,1-diphosphonatoethanol
tetrasodium(1-hydroxyethane-1,1-diyl)bis(phosphonate)
tetrasodium;1,1-diphosphonatoethanol
Airquest C
Briquest ADPA-20AS
Briquest ADPA-21SH
Briquest ADPA-60SH
CUBLEN K 3014
CUBLEN K 8514 GP
CUBLEN K 8514 GR
Haphonat HNA G (HEDP) techn.
HEDP-4NA
104365-97-1
104365-97-1
146437-16-3
146437-16-3
3794-83-0
863638-08-8
863638-08-8
3794-83-0
Tetrasodium etidronate
Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
etidronate tetrasodium
tetrasodium;1,1-diphosphonatoethanol
CZZ9T1T1X4
HEDP*Na4
Tarpinel 4NL
Turpinal 4NL
29329-71-3
Phosphonic acid, (1-hydroxyethylidene)bis-, sodium salt
Sequion 10Na4
(1-Hydroxyethylidene)bis-phosphonicacidtetrasodiumsalt
Defloc EN 43
Dequest 2016
Tetrasodium (1-hydroxyethylidene)bisphosphonate
EINECS 223-267-7
UNII-CZZ9T1T1X4
Tetrasodium 1-hydroxyethylidene-1,1-diphosphonate
(1-Hydroxyethylidene)diphosphonic acid, tetrasodium salt
Ethane-1-hydroxy-1,1-diphosphonic acid, tetrasodium salt
1-Hydroxyethylidene-1,1-diphosphonic acid, tetrasodium salt
EC 223-267-7
Tetrasodium 1-hydroxyethane-1, 1-diphosphonate
(1-Hydroxyethylidene)bisphosphonic acid, tetrasodium salt
DTXSID7029663
DIPHOSPHONIC ACID, (1-HYDROXYETHYLIDENE)-, TETRASODIUM SALT
MFCD01729922
TETRASODIUM ETIDRONATE [INCI]
AKOS015899696
ETIDRONATE TETRASODIUM [WHO-DD]
AS-15257
sodium-1-hydroxyethane-1,1-diphosphonate
Tetrasodium 1-hydroxyethylidenediphosphonate
FT-0689101
sodium 1-hydroxyethane-1,1-diyldiphosphonate
F71280
1-hydroxyethane-1,1-diphosphonic acid tetrasodium salt
Q27275911
tetrasodium (1-hydroxyethane-1,1-diyl)bis(phosphonate)
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt
1-hydroxyethylidene 1, 1- diphosphonic acid, tetrasodium salt
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt (Powder)
Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4)
(1-Hydroxy-1,1-éthanediyl)bis(phosphonate) de tétrasodium [French] [ACD/IUPAC Name]
223-267-7 [EINECS]
Phosphonic acid, (1-hydroxyethylidene)bis-, sodium salt (1:4) [ACD/Index Name]
Tetranatrium-(1-hydroxy-1,1-ethandiyl)bis(phosphonat) [German] [ACD/IUPAC Name]
Tetrasodium (1-hydroxy-1,1-ethanediyl)bis(phosphonate) [ACD/IUPAC Name]
Tetrasodium (1-hydroxyethane-1,1-diyl)bis(phosphonate)
(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
(1-Hydroxyethylidene)bisphosphonic acid, tetrasodium salt
(1-Hydroxyethylidene)diphosphonic acid, tetrasodium salt
[3794-83-0] [RN]
104365-97-1 [RN]
146437-16-3 [RN]
1-Hydroxyethanediphosphonic acid sodium salt
1-Hydroxyethylidene Diphosphonic Acid Tetrasodium Salt
1-Hydroxyethylidene-1,1-diphosphonic acid, tetrasodium salt
29329-71-3 [RN]
3794-83-0 [RN]
Defloc EN 43
Dequest 2016
Diphosphonic acid, (1-hydroxyethylidene)-, tetrasodium salt
EINECS 223-267-7
Ethane-1-hydroxy-1,1-diphosphonic acid, tetrasodium salt
ETIDRONATE TETRASODIUM
MFCD01729922
PHOSPHONIC ACID, (1-HYDROXYETHYLIDENE)BIS-, SODIUM SALT
Phosphonic acid, (1-hydroxyethylidene)bis-, tetrasodium salt
Sequion 10Na4
Tarpinel 4NL
Tetrasodium (1-hydroxyethylidene)bisphosphonate
tetrasodium 1,1-diphosphonatoethanol
TETRASODIUM 1-HYDROXY-1,1-ETHANEDIPHOSPHONATE
Tetrasodium 1-hydroxyethane-1, 1-diphosphonate
Tetrasodium 1-hydroxyethylidene-1,1-diphosphonate
TETRASODIUM ETIDRONATE
Turpinal 4NL
UNII:CZZ9T1T1X4
UNII-CZZ9T1T1X4
