BGC » Chemicals A-Z » Potassium disulfite

BGC ID: 660131351392-19

Potassium disulfite

Identify Properties Safty Suppliers 3 Links ☰

Identify Properties Safty Suppliers 3 Links

CAS 16731-55-8

Formula K2O5S2

MDL MFCD00167605

Catalog #	Product (Catalog #)	Unit	Price (US$)	Quantity
660131351392	Potassium disulfite (660131351392)		on request	+ -

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Identify

Synonyms:

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

CAS:

16731-55-8

EINECS:

240-795-3

Molecular Formula:

K2O5S2

MDL:

MFCD00167605

SMILES:

[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]

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

Suppliers

Global Potassium disulfite Suppliers : Germany (1) USA (1) Switzerland (1)

Supplier	Phone	Fax	Country	Inquiry contact
CG Chemikalien GmbH & Co. KG	+49 511 87803 0	+49 511 87803 66	Germany	REQUEST
Santa Cruz Biotechnology, Inc.			USA	REQUEST
Sigma-Aldrich International GmbH	+41 81 755 28 28	+41 81 755 28 15	Switzerland	REQUEST

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