Aluminum potassium sulfate 12-hydrate

Modify Date: 2025-08-21 20:51:23

Aluminum potassium sulfate 12-hydrate structure	Common Name	Aluminum potassium sulfate 12-hydrate
	CAS Number	7784-24-9	Molecular Weight	474.388
	Density	1.757 g/mL at 25 °C(lit.)	Boiling Point	330ºC at 760 mmHg
	Molecular Formula	H₂₄AlKO₂₀S₂	Melting Point	92 °C(lit.)
	MSDS	USA	Flash Point	N/A

Name	potassium aluminium sulfate dodecahydrate
Synonym	More Synonyms

Density	1.757 g/mL at 25 °C(lit.)
Boiling Point	330ºC at 760 mmHg
Melting Point	92 °C(lit.)
Molecular Formula	H₂₄AlKO₂₀S₂
Molecular Weight	474.388
Exact Mass	473.975464
PSA	288.04000
Stability	Stable. Incompatible with steel, aluminium, copper, zinc, bases, strong oxidizing agents.
Water Solubility	140 G/L (20 ºC)

Aluminum potassium sulfate 12-hydrate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WS5690000

CAS REGISTRY NUMBER :: 7784-24-9

LAST UPDATED :: 199712

DATA ITEMS CITED :: 14

MOLECULAR FORMULA :: O8-S2.Al.K.12H2-O

MOLECULAR WEIGHT :: 474.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1120 mg/kg

SEX/DURATION :: female 7-14 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 24,65,1982 *** REVIEWS *** ACGIH TLV-TWA 2 mg(Al)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2 mg(Al)/m3 JAN 1993 OEL-BELGIUM:TWA 2 mg(Al)/m3 JAN 1993 OEL-DENMARK:TWA 2 mg(Al)/m3 JAN 1993 OEL-FRANCE:TWA 2 mg(Al)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 2 mg(Al)/m3 JAN 1993 OEL-RUSSIA:TWA 2 mg(Al)/m3 JAN 1993 OEL-SWEDEN:TWA 2 mg(Al)/m3 JAN 1993 OEL-SWITZERLAND:TWA 2 mg(Al)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 2 mg(Al)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2889 No. of Facilities: 45 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 406 (estimated) No. of Female Employees: 361 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn:Harmful
Risk Phrases	R22;R36/38
Safety Phrases	S22-S24/25-S37/39-S26
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	WS5690000

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Aluminum potassium sulfate 12-hydrate

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