Potassium disulfate, ACS PurReagent, >=98%

ACS PurReagent


Linear Formula:  K2O7S2
Molecular Weight:  254.33 g/mol
CAS Number: 7790-62-7

Properties

Water Solubility 25.4 g/l at 20 °C
Autoignition temp. > 400 °C
Assay Purity >=98%
M pt. 335 °C
Density 2.28 g/cm3 at 25 °C - lit.
Form Solid

Safety Information

Hazard Statement(s) H314,H331
Precautionary Statement  P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
GHS Pictogram
Signal word Danger
HS Code 28332990
Storage Temp. Room temperature
Storage Class 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
UN Number 2923

Description

Application
Used as a flux in metallurgy to help dissolve metal oxides. Employed in analytical chemistry for sample preparation (especially for breaking down minerals). Used in glass and ceramics production. Acts as a dehydrating agent in chemical reactions.

Purpose
Its main role is to break down complex substances remove water and assist high-temperature reactions making it useful in both industrial and laboratory settings.

General Description
A white crystalline inorganic compound formed by heating potassium bisulfate. It is acidic in nature and soluble in water often used as a strong dehydrating and oxidizing agent in chemical processes.