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.
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