Home > Compound List > Product Information
Potassium chromate_Molecular_structure_CAS_7789-00-6)
Click picture or here to close

Potassium chromate

Catalog No. 60140 Name Sigma Aldrich
CAS Number 7789-00-6 Website http://www.sigmaaldrich.com
M. F. CrK2O4 Telephone 1-800-521-8956
M. W. 194.1903 Fax
Purity ≥99.0% (RT) Email
Storage Chembase ID: 105868

SYNONYMS

Title
铬酸钾
IUPAC name
dipotassium dioxochromiumbis(olate)
IUPAC Traditional name
dipotassium chromate(2-)

DATABASE IDS

MDL Number MFCD00011368
CAS Number 7789-00-6
EC Number 232-140-5

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Ca: ≤50 mg/kg
Cation Traces Cd: ≤10 mg/kg
Cation Traces Co: ≤20 mg/kg
Cation Traces Cu: ≤10 mg/kg
Cation Traces Fe: ≤20 mg/kg
Cation Traces Mg: ≤10 mg/kg
Cation Traces Mn: ≤10 mg/kg
Cation Traces Na: ≤200 mg/kg
Cation Traces Ni: ≤20 mg/kg
Cation Traces Pb: ≤50 mg/kg
Cation Traces Zn: ≤10 mg/kg
Grade puriss. p.a.
Linear Formula K2CrO4
Purity ≥99.0% (RT)
Melting Point 971 °C(lit.)
pH 8.6-9.8 (25 °C, 50 mg/mL in H2O)
Vapor Density 6.7 (vs air)
GHS Pictograms GHS07
GHS Pictograms GHS08
GHS Pictograms GHS09
GHS Signal Word Danger
GHS Hazard statements H315-H317-H319-H335-H340-H350i-H410
European Hazard Symbols Toxic Toxic (T)
European Hazard Symbols Nature polluting Nature polluting (N)
MSDS Link Download
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
GHS Precautionary statements P201-P261-P273-P280-P305 + P351 + P338-P308 + P313
RID/ADR UN 3288 6.1/PG 3
Risk Statements 49-46-36/37/38-43-50/53
RTECS GB2940000
Safety Statements 53-45-60-61
Hazard Class 6.1
UN Number 3288
Packing Group 3
German water hazard class 3

DETAILS

REFERENCES