Potassium dichromate
SIAL/42019 - certified reference material for titrimetry, certified by BAM, ≥99.5%
Synonym: Potassium bichromate
CAS Number: 7778-50-9
Empirical Formula (Hill Notation): Cr2K2O7
Molecular Weight: 294.18
EC Number: 231-906-6
MDL Number: MFCD00011367
Linear Formula: K2Cr2O7
Product Type: Chemical
| assay | ≥99.5% |
| format | neat |
| grade | certified reference material |
| InChI | 1S/2Cr.2K.7O/q;;2*+1;;;;; |
| InChI key | KMUONIBRACKNSN-UHFFFAOYSA |
| mp | 398 °C (lit.) |
| Quality Level | 100  |
| SMILES string | [K+].[K+].[O-][Cr](=O)(=O |
| technique(s) | titration: suitable |
| Analysis Note: | Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label. |
| Application: | It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in redox titrations. |
| Features and Benefits: | • Available in a neat format in a secure glass bottle to ensure its stability for the entire shelf life until opened. • Traceable to NIST SRMs • High-quality offering accurate titer determinations • Accompanied by a certificate of analysis (CoA) |
| General description: | Potassium dichromate is an oxidimetric standard produced under stringent conditions and measured with the highest possible precision. Its content determination and homogeneity assessment are performed using volumetric redox titration as the primary analysis method. |
| Symbol |      GHS03,GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H272 - H301 - H312 - H314 - H317 - H330 - H334 - H335 - H340 - H350 - H360FD - H372 - H410 |
| Precautionary statements | P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | O,T+,N |
| Risk Statements | 45-46-60-61-8-25-26-27-34-42/43-48/23-50/53 |
| Safety Statements | 53-26-36/37-45-60-61 |
| RIDADR | UN3086 - class 6.1 - PG 2 - EHS - RQ -Toxic solids, oxidizing, n |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% |
| mp | 398 °C (lit.) |
| UNSPSC | 41116107 |