Sodium pyrosulfite

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Identify Properties Safty Prices Suppliers 1 Links

CAS 7681-57-4

Formula 2Na.O5S2

MDL MFCD00167602

Catalog #	Product (Catalog #)	Unit	Price (US$)	Quantity
860132851994	Sodium pyrosulfite (860132851994)		on request	+ -

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Identify

Synonyms:

sodium disulfite ; disodium metabisulfite ; sodium pyrosulfite ; fertisilo ; sodiummetabisufite ; sodium disulphite ; e223 ; sodium pyrosulphite ; natrium metabisulfurosum ; disodium disulfite ; natriummetabisulfit ; sodium dissulfite ; sodium pyrosulfit ; disodium pyrosulfite ; disodiumpyrosulphite ; disodium disulphite

CAS:

7681-57-4

EINECS:

231-673-0

Molecular Formula:

2Na.O5S2

MDL:

MFCD00167602

Properties

Molecular Weight:

190.10 g·mol−1

Density:

1.48 g/cm3

Melting point:

>170 °C (begins at 150 °C)

Solubility:

water: 54 g/100 ml

Physical Description:

white crystalline powder with a sulfur smell

Safety Information

Hazard Symbols: Xn, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

22-31-41-36/37/38-52 (R)

Safety Codes:

26-39-46-36 (S)

WGK Germany:

RID / ADR:

3260

RTECS:

UX8225000

Storage temperature:

Store at RT.

Prices

As an extract from the researched prices for Sodium pyrosulfite there are currently shown 22 prices in the last 10 years for CAS equal products. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2017 from USD 114.00 for 5 kg to USD 38.00 per 500 g in 2026 .