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Potassium pyrosulfite

BGC Id:	650212543998
CAS No:	16731-55-8
Synonyms:	dikaliumdisulfit ; potassium m-bisulfite ; potassium disulfite (k2s2o5) ; potassium bisulfite ; disulfurous acid, potassium salt (1:2) ; potassium pyrosulfite (6ci) ; potassium metabisulf ; potassium bisulphite ; e224 ; dipotassiumdisulfite ; potassium pyrosulfite ; dipotassium disulfite ; potassium disulfite ; dipotassium pyrosulfite ; potassium disulphite ; dipotassium metabisulfite ; pyrosulfurous acid,dipotassium salt (8ci) ; potassium metabisulfite ; disulfurous acid,potassium salt (1:2) ; potassium metabisulfite (k2s2o5)
Molecular Formula:	K2O5S2
Molecular Weight:	183.22
EINECS:	240-795-3

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The following notable provider has been checked and can be recommended.

Fox Chemicals GmbH

Company type: International Supplier

Phone: +49 7240 927151
Telefax: +49 7240 927150
Country: Germany

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What other providers are available for CAS 16731-55-8?

The last intensive check and update was carried out on 2025/02/06.

Identify

Synonyms:

dikaliumdisulfit ; potassium m-bisulfite ; potassium disulfite (k2s2o5) ; potassium bisulfite ; disulfurous acid, potassium salt (1:2) ; potassium pyrosulfite (6ci) ; potassium metabisulf ; potassium bisulphite ; e224 ; dipotassiumdisulfite ; potassium pyrosulfite ; dipotassium disulfite ; potassium disulfite ; dipotassium pyrosulfite ; potassium disulphite ; dipotassium metabisulfite ; pyrosulfurous acid,dipotassium salt (8ci) ; potassium metabisulfite ; disulfurous acid,potassium salt (1:2) ; potassium metabisulfite (k2s2o5)

CAS:

16731-55-8

EINECS:

240-795-3

Molecular Formula:

K2O5S2

MDL:

MFCD00167605

Properties

Molecular Weight:

183.22 g·mol−1

Density:

2.34 g/cm³

Melting point:

190 °C

Solubility:

H₂O: 0.1 M at 20 °C, clear, colorless

Physical Description:

white to slightly yellowish fine cryst. powder

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

31-36/37/38-41 (R)

Safety Codes:

26-36-39 (S)

WGK Germany:

RTECS:

TT4920000

What other providers are available for CAS 16731-55-8?

In addition to the providers presented here for Potassium pyrosulfite with the CAS number 16731-55-8, there are other 46 providers with slightly different product names available for this CAS number.

Potassium disulfite

+5 additional providers that we know from the past

Potassium metabisulfite

Potassium metabisulfite Reag.

+2 additional providers that we know from the past

Potassium metabisulfite, Pharma

+2 additional providers that we know from the past

Disulfurous acid,potassium salt (1:2)