Sodium metabisulfite

Catalog	ACM7681574
CAS	7681-57-4
Structure
Category	Flocculant
Description	Sodium metabisulfite or sodium pyrosulfite is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium (metabisulfite). It is used as a disinfectant, Antioxidants and preservative agent.
IUPAC Name	disodium oxidosulfanesulfonate oxide
Molecular Weight	190.1
Molecular Formula	Na2S2O5
Canonical SMILES	[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
Melting Point	150ºC
Density	1.48
Appearance	White crystalline powder
EC Number	231-673-0
Hazard Codes	Xn
HS Code	2832100000
LogP	0.27220
MDL Number	MFCD00167602
PSA	124.92
RIDADR	UN 2693
Risk Statements	R22; R31; R41
RTECS	UX8225000
Safety Statements	S26-S39-S46
Stability	Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
Storage Conditions	Store at RT.
WGK Germany	1

Our products and services are for research use only.