Quick Search
Aluminum Sesquichlorohydrate 48% is an aluminium salt that is used as an antiperspirant agent, a deodorant agent, and a cosmetic astringent.
Aluminum Sesquichlorohydrate 48% works by physically blocking eccrine sweat glands.
The United States Food and Drug Administration considers the use of Aluminum Sesquichlorohydrate 48% in antiperspirants to be safe and it is permitted in concentrations up to 25%.
CAS: 1327-41-9
MF: AlClHO
MW: 79.44
EINECS: 215-477-2
Synonyms
aluminiumchlorohydrate;polyaluminumhydroxychloride;Aluminum chloride, basic;ALUMINIUM POLYCHLORIDE;PolyaluminiumChloride(Pac);ALUMINUM POLYHYDROXYCHLORIDES;Polybasic aluminum chloride;Aluminum oxychloride
Aluminum Sesquichlorohydrate 48% is a kind of chemical agent which can promote the coagulation and flocculation effect of the colloidal particles in water and accelerate the formation of coarse particles, thus making it be easier to be subject to fast sedimentation or filtration.
Aluminum Sesquichlorohydrate 48% include coagulant, flocculants, and coagulant aid agent.
These nouns currently have no strict uniform definition and boundaries.
Aluminum Sesquichlorohydrate 48% and flocculants, and coagulant aid agent are often mixed for application.
Commonly used Aluminum Sesquichlorohydrate 48% includes alum, poly aluminium chloride, activated silicic acid, polyacrylamide, magnesium alumina, ferrous sulfate and ferric chloride, etc.
The combination between poly aluminium chloride and alum can give the best efficacy.
Aluminum Sesquichlorohydrate 48% is a new type of inorganic polymer coagulant with its fundamental difference with the traditional inorganic coagulant being that the traditional inorganic coagulant is crystalline salt with low molecular weight while the structure of Aluminum Sesquichlorohydrate 48% consists of multi-shaped multivariate carboxyl complex.
Aluminum Sesquichlorohydrate 48% has a rapid flocculation and sedimentation speed, wide applicable range of PH value, and is non-corrosive to plumbing with a very significant water purification effect.
Aluminum Sesquichlorohydrate 48% can effectively remove the water color quality SS, COD, BOD, and arsenic, mercury and other heavy metal ions.
Aluminum Sesquichlorohydrate 48% is widely used in drinking water, industrial water and wastewater treatment, Aluminum Sesquichlorohydrate 48% has the following characteristics:
1. The water purified form Aluminum Sesquichlorohydrate 48% has a higher quality than the water purified from inorganic coagulant such as ferric chloride and aluminum sulfate.
The cost of Aluminum Sesquichlorohydrate 48% in purifying water is also relatively low.
2. Both the formation rate of floc unit and the settlement rate are high.
Aluminum Sesquichlorohydrate 48% also has a greater processing capability than traditional flocculant such as ferric chloride and aluminum sulfate.
3. Aluminum Sesquichlorohydrate 48% has a stronger adaption capability on the temperature, turbidity and the alkalinity of the water source than traditional flocculant such as ferric chloride and aluminum sulfate.
4. Aluminum Sesquichlorohydrate 48% has a wide adaptation pH range for the source of water with being able to exert coagulation effect from the range of PH5.0-9.0 with the best results occurring at PH6.5-7.5.
5. Aluminum Sesquichlorohydrate 48% has a small corrosion effect and a good operating condition.
6. Aluminum Sesquichlorohydrate 48% has a better solubility than ferric chloride and aluminum sulfate.
7. After the treatment, the residue of aluminum and salt in water is small which facilitates the handling and preparation of ion exchange.
An ingredient of commercial antiperspirant and deodorant preparations.
Also used for water purification and treatment of sewage and plant effluent.
A clear amber liquid with little or no odor. Denser than water.
May severely irritate skin, eyes or mucous membrane.
Used in commercial antiperspirants and deodorants.
Aluminum Sesquichlorohydrate 48% Chemical Properties
Density: 1.36[at 20℃]
Vapor pressure: 0.001Pa at 20℃
Solubility: soluble in H2O
Form: glassy solid
Color: glass, glassy solid
Water Solubility: soluble H2O, forms slightly turbid colloidal solution [MER06]
Stability: Stable. Incompatible with many metals.
InChI: InChI=1S/Al.ClH.H2O.H/h;1H;1H2;/q+2;;;/p-2
InChIKey: MTSHNTORJWMHCG-UHFFFAOYSA-L
LogP: -1.380 (est)
CAS DataBase Reference: 1327-41-9(CAS DataBase Reference)
EPA Substance Registry System: Aluminum Sesquichlorohydrate 48% (1327-41-9)
Aluminum Sesquichlorohydrate 48% is an inorganic high-molecule polymer with some cementitious property.
Aluminum Sesquichlorohydrate 48% can be used as the binder of refractory coating, ultra-pure alumina products and refractory concrete material.
Aluminum Sesquichlorohydrate 48% is a multivalent, polyhydroxy electrolyte and can be seen as the intermediate product of the hydrolysis of AlCl3 into Al (OH).
3. The colloidal nucleus contains positive charge with the hydrolysis product being acidic.
The composition of these products is the mixed system of various kinds of aqueous complexes in certain ratio under certain conditions.
Aluminum Sesquichlorohydrate 48%'s expression formula is [Al2 (OH) n • Cl6-n] m, wherein n = 1-5, m≤10.
Owing to the difference in the preparation and performance, Aluminum Sesquichlorohydrate 48% can also be called as hydroxy aluminum chloride, basic aluminum chloride, and polymeric alumina.
The main index of physical and chemical properties includes alkalinity, pH value, Al2O3 content and the relative density.
Aluminum Sesquichlorohydrate 48% is rich in raw materials and has low cost without causing decrease of the refractoriness of refractory concrete.
Aluminum Sesquichlorohydrate 48% also has strong activity at high temperatures and can be hardened at room temperature when doped with small quantities of accelerators and thus is promising cement material.
Aluminum Sesquichlorohydrate 48% is colorless or yellow resinous solid.
Aluminum Sesquichlorohydrate 48%'s solution is a colorless or yellowish transparent liquid, sometimes exhibits as grayish black mucus due to impurities in it.
Aluminum Sesquichlorohydrate 48% is easily soluble in water.
Uses
Aluminum Sesquichlorohydrate 48% is one kind of refractory binder.
Aluminum Sesquichlorohydrate 48% is a kind of aluminum hydroxide sol made from aluminum-containing material or aluminum metal which subject to several chemical/physical treatment steps such as hydrochloric acid dissolution, hydrolysis, and polymerization.
Aluminum Sesquichlorohydrate 48% can be taken as the intermediate of the hydrolysis process of AlCl3 into Al(OH)3 and therefore the hydrolysis solution is acidic.
Aluminum Sesquichlorohydrate 48% is also known as hydroxy aluminum or basic aluminum chloride with the chemical formula being [Al2 (OH) nCl6-n] m, wherein if the n is close to or equal to 6, Aluminum Sesquichlorohydrate 48% can be called as alumina sol.
Applying Aluminum Sesquichlorohydrate 48% as a binding agent of loose refractory will not affect its refractoriness.
The Al2O3 generated during the dehydration and decomposition of Aluminum Sesquichlorohydrate 48%during the heating process is a kind of active alumina oxide with high-degree of dispersion which can facilitate the sintering, and thus being suitable for being used as the refractory binder.
Aluminum Sesquichlorohydrate 48% can be used for non-firing or fired to generate refractory products, fire-resistant plastic, and the binding agent of ramming and casting.
When being used as the binding agent of monolithic refractory, Aluminum Sesquichlorohydrate 48% has certain requirement on both the alkalinity and density with poly aluminium chloride with either too low or too high bond strength not good.
In general, Aluminum Sesquichlorohydrate 48% with alkalized degree being within 46% to 72% and the density being within 1.17~1.23kg/m3 has a good binding strength.
When used as the binding agent of refractory casting, Aluminum Sesquichlorohydrate 48% can be used for synthesizing Magnesium aluminium spinel, electronic melting MgO and as the coagulation accelerator of cement.
But when applying the Aluminum Sesquichlorohydrate 48% as unshaped refractory binder, because of its acidic solution (pH <5), it will have reaction with iron and iron-containing compounds contained in the refractory to release hydrogen and cause swelling of the material.
Therefore, the preparation technology should contain aging step in order to avoid the swelling and further cracking of good molded product or lining.
Aluminum Sesquichlorohydrate 48% can be used for the purification process of drinking water as well as various kinds of industrial waste water.
As flocculants, Aluminum Sesquichlorohydrate 48% is mainly used for purifying drinking water and the treatment of special water such as removal of iron, fluorine, cadmium, radioactive contamination as well as floating oil.
Aluminum Sesquichlorohydrate 48% can also be used for the treatment of industrial wastewater such as dyeing wastewater.
Moreover, Aluminum Sesquichlorohydrate 48% can also be used for precision casting, pharmaceutical, paper, and leathering.
Production method
Boiling pyrolysis method: put the crystalline aluminum chloride for boiling and pyrolysis at 170 °C; the generated hydrogen chloride is absorbed by water to prepare 20% hydrochloric acid for recycling.
Further add water to have a then added water for aging and polymerization at 60 ℃; Then further go through solidification, dryness, crush to obtain the solid finished product of poly aluminium chloride.
Boiling pyrolysis method: put the aluminum ash (mainly composed of alumina and metal aluminum) into the reactor pre-supplied with washing water at a certain ratio, stir and slowly add hydrochloric acid for condensation reaction with curing and polymerization to a pH of 4.2 to 4.5 and the relative density of the solution being 1.2.
Conduct sedimentation to obtain a liquid poly aluminum chloride.
The liquid product was subject to dilution and filtering, concentration by evaporation, drying to obtain the solid poly aluminum chloride products.
Reactivity Profile
Aluminum Sesquichlorohydrate 48% reacts to neutralize chemical bases (for example: amines and inorganic hydroxides) Reacts with or corrodes active metals, including such structural metals as aluminum and iron, to release hydrogen, a flammable gas.
Can initiate the polymerization of certain alkenes. Reacts with cyanide compounds to release gaseous hydrogen cyanide.
May generate flammable and/or toxic gases in contact with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and strong reducing agents.
Additional gas-generating reactions may occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (to give SO2), and carbonates (to give CO2).
Health Hazard
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes.
Avoid any skin contact.
Effects of contact or inhalation may be delayed.
Fire may produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
