Sodium chromate tetrahydrate

Names

[ CAS No. ]:
10034-82-9

[ Name ]:
Sodium chromate tetrahydrate

[Synonym ]:
disodium,dioxido(dioxo)chromium,tetrahydrate
MFCD00149167
EINECS 231-889-5
Sodium Chromate Tetrahydrate

Chemical & Physical Properties

[ 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.

MSDS

Toxicological Information

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)

Safety Information

[ 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

Articles

Particulate and soluble hexavalent chromium are cytotoxic and genotoxic to human lung epithelial cells.

Mutat. Res. 610(1-2) , 2-7, (2006)

Particulate hexavalent chromium (Cr(VI)) is a well-established human lung carcinogen. It is currently a major public health concern, there is widespread exposure to it in occupational settings and to ...

Cytotoxicity and genotoxicity of hexavalent chromium in human and North Atlantic right whale (Eubalaena glacialis) lung cells

Comp. Biochem. Physiol. C. Toxicol. Pharmacol. 150(4) , 487-94, (2009)

Humans and cetaceans are exposed to a wide range of contaminants. In this study, we compared the cytotoxic and genotoxic effects of a metal pollutant, hexavalent chromium [Cr(VI)], which has been show...

The clastogenic effects of chronic exposure to particulate and soluble Cr(VI) in human lung cells.

Mutat. Res. 610(1-2) , 8-13, (2006)

Hexavalent chromium (Cr(VI)) is a well-designated human lung carcinogen, with solubility playing an important role in its carcinogenic potential. Although it is known that particulate or water-insolub...

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