Home Categories Inorganic chemistry Potassium chromate
A6741112

Potassium chromate , 99.99%metalsbasis , 7789-00-6

Synonym(s):
Chromate standard for aqueous matrices ready foruse, Nota 1 A;chromic acid potassium salt;Potassium chromate

CAS NO.:7789-00-6

Empirical Formula: CrK2O4

Molecular Weight: 194.19

MDL number: MFCD00011368

EINECS: 232-140-5

Update time: 2022-07-08

PRODUCT Properties

Melting point: 971 °C (lit.)
Density  1.00 g/mL at 20 °C
vapor density  6.7 (vs air)
storage temp.  Store below +30°C.
solubility  H2O: soluble
form  Solid
Specific Gravity 2.732
color  Yellow
PH 9.0-9.8 (50g/l, H2O, 20℃)
Water Solubility  640 g/L (20 ºC)
Merck  14,7622
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. Strong oxidizing agent - contact with combustible materials may lead to fire or violent reaction. Incompatible with strong reducing agents, combustible materials.
InChIKey XMXNVYPJWBTAHN-UHFFFAOYSA-N

Description and Uses

It is used as an oxidizing agent.

Safety

Symbol(GHS) 
GHS07,GHS08,GHS09
Signal word  Danger
Hazard statements  H315-H317-H319-H335-H340-H350i-H410
Precautionary statements  P202-P273-P280-P302+P352-P305+P351+P338-P308+P313
Hazard Codes  T,N,O
Risk Statements  49-46-43-51/53-8-50/53-36/37/38-22-45-52/53-25-42/43-20
Safety Statements  53-45-60-61-36/37-26-23
RIDADR  UN 3288 6.1/PG 3
WGK Germany  3
RTECS  GB2940000
TSCA  Yes
HazardClass  5.1
PackingGroup  III
HS Code  28415000

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