Potassium Dichromate Volumetric Standard 80grm
Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP. Potassium dichromate CAS No. 7778-50-9, EC Number 231-906-6.
Manufacturer: Merck
Catalog ID: 102403.0080
Stock: In Stock
Description
Catalogue Number | 102403 |
Synonyms | Potassium bichromate, Potassium pyrochromate |
Product Information
CAS number | 7778-50-9 |
EC index number | 024-002-00-6 |
EC number | 231-906-6 |
Grade | Reag. USP |
Hill Formula | Cr₂K₂O₇ |
Chemical formula | K₂Cr₂O₇ |
Molar Mass | 294.19 g/mol |
HS Code | 2841 50 00 |
Applications
Application | Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP. Potassium dichromate CAS No. 7778-50-9, EC Number 231-906-6. |
Physicochemical Information
Boiling point | >500 °C (1013 hPa) |
Density | 2.7 g/cm3 (20 °C) |
Melting Point | 398 °C |
pH value | 3.6 (100 g/l, H₂O) |
Bulk density | 1250 kg/m3 |
Solubility | 115 g/l |
Toxicological Information
LD 50 oral | LD50 Rat 90.5 mg/kg |
LD 50 dermal | LD50 Rat 1170 mg/kg |
Storage and Shipping Information
Storage | Store at +15°C to +25°C. |