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50922-29-7

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Basic Information
CAS No.: 50922-29-7
Name: ZINC CHROMITE
Molecular Structure:
Molecular Structure of 50922-29-7 (ZINC CHROMITE)
Formula: CrO4Zn•H2O2Zn
Molecular Weight: 280.76
Synonyms: Ts36Khr;BASIC ZINC CHROMATE;CHROMIC ACID, ZINC SALT, BASIC;CHRONIUM ZINCATE;CHRONIUM ZINC OXIDE (9CI);
EINECS: 256-848-9
Hazard Symbols: 3
Risk Codes: 45-36/37/38
Safety: A poison. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and Cl−.

Analytical Methods:

   

For occupational chemical analysis use NIOSH: chromium hexavalent 7024.

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Chemistry

Empirical Formula: Cr2O5Zn2
Molecular Weight: 314.7692 g/mol
EINECS: 256-848-9 
Product Categories: UVCBs-inorganic
Structure of Chromium zinc oxide (CAS NO.50922-29-7):

Toxicity Data With Reference

1.    

mmo-sat 80 µg/plate

     MUREAV    Mutation Research. 54 (1978),139.

Consensus Reports

Chromium zinc oxide (CAS NO.50922-29-7) is reported in EPA TSCA Inventory.

Safety Profile

A poison. Mutation data reported. When heated to decomposition, Chromium zinc oxide (CAS NO.50922-29-7)
emits toxic vapors of NOx and Cl−.    

Standards and Recommendations

OSHA PEL: CL 0.1 mg(CrO3)/m3
ACGIH TLV: TWA 0.05 mg(Cr)/m3
NIOSH REL: (Chromium(VI)): TWA 0.001 mg(Cr)/m3

Analytical Methods

For occupational chemical analysis use NIOSH: chromium hexavalent 7024.

Specification

 Chromium zinc oxide ,its cas register number is 50922-29-7.It also can be called Basic zinc chromate ; Chromic acid,zinc salt,basic ; Chromium zinc oxide (unspecified) ; Chromium zincate and Zinc chromite.