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Sodium chromate tetrahydrate Structure

Sodium chromate tetrahydrate

Chemical Properties

Melting point 792℃
Density  2.73
solubility  slightly soluble in ethanol
form  Crystals
color  Yellow
PH pH (10g/l, 25℃) : 8.0~10.0
Odor Odorless
Water Solubility  Soluble in water.
Sensitive  Hygroscopic
Merck  14,8601
Exposure limits ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3
Stability Stable. Incompatible with strong reducing agents, combustible materials, strong acids. Deliquescent.
CAS DataBase Reference 10034-82-9(CAS DataBase Reference)
FDA UNII C1V2DCL6B1
EPA Substance Registry System Sodium chromate(VI), tetrahydrate (10034-82-9)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
Precautionary statements P260-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  T+,N
Risk Statements  45-46-60-61-21-25-26-34-42/43-48/23-50/53
Safety Statements  53-45-60-61
RIDADR  UN 3288 6.1/PG 2
WGK Germany  3
RTECS  GB2958300
TSCA  Yes
HazardClass  6.1
PackingGroup  II
NFPA 704:
0
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