Aluminum(III)sulfate , 99.99% , 10043-01-3

Synonym(s):
Aluminum sulfate hydrate;Aluminum sulfate octahydrate

CAS NO.：10043-01-3

Empirical Formula: Al2O12S3

Molecular Weight: 342.15

MDL number: MFCD00003423

EINECS: 233-135-0

PRODUCT 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
• Dielectric constant: 2.6（Ambient）
• Exposure limits: NIOSH: TWA 2 mg/m3
• LogP: -5.08--0.12 at 20℃

Description and Uses

Aluminum sulfate acts as a flocculating agent in the purification of drinking water, and in waste water treatment plants. It acts as a mordant in dyeing, printing, textiles and also used in paper manufacturing. It is a waterproofing agent and accelerator in concrete. Further, it is used as a foaming agent in fire fighting foam, photographic film and in photochemicals. It is also used in styptic pencils, pain relief and in dentistry for gingival retraction cords.

Safety

• Symbol(GHS): 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.