Potassium dichromate PurCert Secondary Working Standard [Includes all characterization data]

PurCert


Linear Formula:  K2Cr2O7
Molecular Weight:  294.18 g/mol
CAS Number: 7778-50-9

Properties

Water Solubility 29.4 g/l (20 °C)
Assay Purity >=99%
B pt. > 500 °C
M pt. 398 °C
Density 2.680 g/cm3 (20 °C)
Form Solid

Safety Information

Hazard Statement(s) H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
Precautionary Statement  P210 - P260 - P280 - P301 + P310 + P330 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
GHS Pictogram
Signal word Danger
HS Code NA
Storage Temp. Room Temperature
Storage Class 5.1B - Oxidizing hazardous materials
UN Number 3087

Description

Application
Oxidizing agent in chemical and laboratory reactions. Cleaning solution for glassware (historically used). Leather tanning and textile dyeing. Pigments and photographic processes. Wood preservation and metal treatment.

Purpose
Mainly used as a powerful oxidizing agent in industrial analytical and chemical processes.

General Description
Bright orange crystalline solid. Highly soluble in water. Strong oxidizing agent. Toxic and carcinogenic (contains hexavalent chromium).