Potassium chromate
SIGALD/12249 - puriss., ≥99%
CAS Number: 7789-00-6
Empirical Formula (Hill Notation): CrK2O4
Molecular Weight: 194.19
EC Number: 232-140-5
MDL Number: MFCD00011368
Linear Formula: K2CrO4
Product Type: Chemical
anion traces | chloride (Cl-): ≤50 mg/kg |
sulfate (SO42-): ≤200 mg/kg | |
assay | ≥99% |
cation traces | Ca: ≤50 mg/kg |
form | powder or crystals |
grade | puriss. |
InChI | 1S/Cr.2K.4O/q;2*+1;;;2*-1 |
InChI key | XMXNVYPJWBTAHN-UHFFFAOYSA |
loss | ≤0.5% loss on drying, 105 °C |
mp | 971 °C (lit.) |
pH | 8.5-10.0 (20 °C, 5%) |
Quality Level | 100 |
SMILES string | [K+].[K+].[O-][Cr]([O-])( |
vapor density | 6.7 (vs air) |
Symbol | 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 |
Risk Statements | 49-46-25-36/37/38-43-50/53 |
Safety Statements | 53-45-60-61 |
RIDADR | UN3288 - class 6.1 - PG 3 - EHS - RQ - Toxic solid, inorganic, n |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99% |
mp | 971 °C (lit.) |
UNSPSC | 12352300 |