Sodium chromate tetrahydrate

Modify Date: 2025-08-21 18:01:26

Sodium chromate tetrahydrate structure	Common Name	Sodium chromate tetrahydrate
	CAS Number	10034-82-9	Molecular Weight	234.03400
	Density	2.73	Boiling Point	N/A
	Molecular Formula	CrH₈Na₂O₈	Melting Point	792ºC
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS05, GHS06, GHS08, GHS09	Signal Word	Danger

Name	Sodium chromate tetrahydrate
Synonym	More Synonyms

Density	2.73
Melting Point	792ºC
Molecular Formula	CrH₈Na₂O₈
Molecular Weight	234.03400
Exact Mass	233.94200
PSA	117.18000
Stability	Stable. Incompatible with strong reducing agents, combustible materials, strong acids. Deliquescent.

Sodium chromate tetrahydrate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GB2958300

CHEMICAL NAME :: Chromic acid, disodium salt, tetrahydrate

CAS REGISTRY NUMBER :: 10034-82-9

LAST UPDATED :: 199806

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: Cr-O4.2Na.4H2-O

MOLECULAR WEIGHT :: 303.03

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 101 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Kidney, Ureter, Bladder - other changes Skin and Appendages - dermatitis, other (after systemic exposure)

MUTATION DATA

TYPE OF TEST :: DNA damage

TEST SYSTEM :: Rodent - hamster Ovary

DOSE/DURATION :: 400 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 299,95,1993 *** REVIEWS *** ACGIH TLV-TWA 0.05 mg(Cr)/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 ACGIH TLV-Confirmed human carcinogen 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Cr)/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: 3,35,1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7185 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 62 (estimated)

Symbol	GHS05, GHS06, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
Precautionary Statements	Missing Phrase - N15.00950417-P201-P280-P304 + P340 + P310-P305 + P351 + P338-P308 + P313
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	T+:Verytoxic;N:Dangerous for the environment;
Risk Phrases	R45;R46;R60;R61;R21;R25;R26;R34;R42/43;R48/23;R50/53
Safety Phrases	S53-S45-S60-S61
RIDADR	UN 3288 6.1/PG 2
WGK Germany	3
RTECS	GB2958300
Packaging Group	II
Hazard Class	6.1

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disodium,dioxido(dioxo)chromium,tetrahydrate

MFCD00149167

EINECS 231-889-5

Sodium Chromate Tetrahydrate