Potassium metabisulfite, CAS No. 16731-55-8

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Potassium metabisulfite CAS No.16731-55-8 / Cat No.EBD6474

Formula: K2O5S2

Molecular Weight:222.32

Synonyms:

Potassium metabisulfite

K2S2O5

disulfurous acid,potassium salt (1:2)

dipotassium disulfite

dipotassium pyrosulfite

potassium metabisulfite

dipotassium metabisulfite

potassium pyrosulfite (6ci)

potassium disulfite (k2s2o5)

potassium metabisulfite (k2s2o5)

disulfurous acid, potassium salt (1:2)

pyrosulfurous acid,dipotassium salt (8ci)

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Properties
Safety Information
NMR Spectrum

Properties

Appearance:

White to slightly yellowish fine cryst. powder
Melting point:

190 °C
Solubility:

water: 0.1 M at 20 °C, clear, colorless

Safety Information

Symbol:
Signal words:

Danger
Precautionary statements:

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

NMR Spectrum

¹H NMR

¹³C NMR