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Aluminium Sulfate

CAS No.
10043-01-3
Chemical Name:
Aluminium Sulfate
Synonyms
ALUMINIUM SULPHATE;ALUMINIUM SULFATE;ALUM;Aluminum(III) sulfate;ALUMINIUM SULPAHTE;ALUMINIUM SULPHATE 17% MIN;NA-9078;pearlalum;liusuanlv;filteralum
CBNumber:
CB00125205
Molecular Formula:
Al2O12S3
Molecular Weight:
342.15
MDL Number:
MFCD00003423
MOL File:
10043-01-3.mol
MSDS File:
SDS
Last updated:2024-05-21 21:51:03

Aluminium Sulfate Properties

Melting point 770 °C (dec.) (lit.)
Boiling point 759.71°C (estimate)
Density 2.71 g/mL at 25 °C (lit.)
vapor pressure 0-0.001Pa at 20-25℃
solubility Soluble in cold water, freely soluble in hot water, practically insoluble in ethanol (96 per cent).
pka 3.6[at 20 ℃]
form Powder and/or Chunks
Specific Gravity 2.71
color White
Odor at 100.00?%. odorless
Water Solubility soluble
Sensitive Hygroscopic
Merck 14,366
Exposure limits NIOSH: TWA 2 mg/m3
Dielectric constant 2.6(Ambient)
LogP -5.08--0.12 at 20℃
CAS DataBase Reference 10043-01-3(CAS DataBase Reference)
FDA 21 CFR 182.1125; 582.1125; 310.545
Substances Added to Food (formerly EAFUS) ALUMINUM SULFATE
SCOGS (Select Committee on GRAS Substances) Aluminum sulfate
EWG's Food Scores 2
FDA UNII I7T908772F
EPA Substance Registry System Aluminum sulfate (10043-01-3)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS05
Signal word  Danger
Hazard statements  H290-H318
Precautionary statements  P234-P280-P305+P351+P338-P390
Hazard Codes  Xi,N
Risk Statements  37/38-41-51/53-36/37/38
Safety Statements  26-39-61-37/39-29
RIDADR  UN 1760/3077
WGK Germany  1
RTECS  BD1700000
TSCA  Yes
HS Code  28332200
Toxicity guinea pig,LD50,unreported,490mg/kg (490mg/kg),Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 43(4), Pg. 12, 1978.
NFPA 704
0
2 0

Aluminium Sulfate price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 202614 Aluminum sulfate 99.99% trace metals basis 10043-01-3 5g $89.8 2024-03-01 Buy
Sigma-Aldrich 202614 Aluminum sulfate 99.99% trace metals basis 10043-01-3 25g $307 2024-03-01 Buy
Alfa Aesar 044563 Aluminum sulfate, anhydrous, 99.99% (metals basis) 10043-01-3 5g $53.9 2024-03-01 Buy
Alfa Aesar 044563 Aluminum sulfate, anhydrous, 99.99% (metals basis) 10043-01-3 25g $165 2024-03-01 Buy
Sigma-Aldrich 202614 Aluminum sulfate 99.99% trace metals basis 10043-01-3 100g $926 2024-03-01 Buy
Product number Packaging Price Buy
202614 5g $89.8 Buy
202614 25g $307 Buy
044563 5g $53.9 Buy
044563 25g $165 Buy
202614 100g $926 Buy

Aluminium Sulfate Chemical Properties,Uses,Production

Chemical Properties

Aluminium sulfate is a colorless or white crystals. Odorless, slightly sweet taste. Because of containing iron etc, industrial product looks like a yellowish-green, tastes sour. It was Stable in the air, heated to 250 ℃ to lose crystal water, when heated above 700 ℃, begin decompose into aluminum oxide, sulfur trioxide and water vapor, etc. Soluble in water, aqueous solution is acidic.

Aluminium Sulfate.png

Uses

Aluminium sulfate is soluble in water and is mainly used as a coagulating agent (promoting particle collision by neutralizing charge) in the purification of drinking water and wastewater treatment plants, and also in paper manufacturing.

Production Methods

Aluminium sulfate may be made by adding aluminium hydroxide, Al(OH)3, to sulfuric acid, H2SO4:

2 Al(OH)3 + 3 H2SO4 → Al2(SO4)3 + 6 H2O

or by heating aluminium metal in a sulfuric acid solution

2 Al + 3 H2SO4 → Al2(SO4)3 + 3 H2↑

Health Hazard

ADI not specified (FAO/WHO, 2001).

GRAS (FDA, §182.1125,2000).

LD50 6207mg/kg (mice, by mouth)

Chemical Reactivity

Aluminium sulfate reacts with sodium bicarbonate to which foam stabilizer has been added, producing carbon dioxide for fire-extinguishing foams:

Al2(SO4)3 + 6 NaHCO3 → 3 Na2SO4 + 2 Al(OH)3 + 6 CO2

The carbon dioxide is trapped by the foam stabilizer and creates a thick foam which will float on top of hydrocarbon fuels and seal off access to atmospheric oxygen, smothering the fire.

Toxicity

ADI not specified (FAO/WHO, 2001). GRAS (FDA, §182.1125,2000).

LD50 6207mg/kg (mice, by mouth)

Toxic to aquatic life

Source

Aluminium sulfate occurs in nature in minerals; alunite, KAl3(SO4)2(OH)6and natroalunite, NaAl3(SO4)2(OH)6. The anhydrous salt is used in food applications.

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View Lastest Price from Aluminium Sulfate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
ALUMINIUM SULFATE  pictures 2023-12-12 ALUMINIUM SULFATE
10043-01-3
US $0.39 / KG 100KG 99 200tons/month qingdao trust agri chemical co.,ltd
Aluminium sulfate pictures 2021-08-13 Aluminium sulfate
10043-01-3
US $40.00 / KG 1KG 99 10 tons Shijiazhuang tongyang Import and Export Co., LTD
Aluminium sulfate pictures 2019-07-06 Aluminium sulfate
10043-01-3
US $1.00 / kg 1kg 99% Customized Career Henan Chemical Co
  • Aluminium sulfate pictures
  • Aluminium sulfate
    10043-01-3
  • US $40.00 / KG
  • 99
  • Shijiazhuang tongyang Import and Export Co., LTD
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