Sodium metabisulfite

SIAL/71932 - tested according to Ph. Eur.

Synonym: Natrii metabisulfis; Sodium disulfite; Sodium pyrosulfite

CAS Number: 7681-57-4
Empirical Formula (Hill Notation): Na₂O₅S₂
Molecular Weight: 190.11
EC Number: 231-673-0
MDL Number: MFCD00167602
Linear Formula: Na₂S₂O₅
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-71932-1KG	1 kg	$147.00 1/EA		Add To Favorites

Properties
Safety Info.
Basic Data

agency	tested according to Ph. Eur.
	USP/NF
assay	>97.5%
form	powder
InChI	1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key	HRZFUMHJMZEROT-UHFFFAOYSA-L
mp	>300 °C (lit.)
Quality Level	100
SMILES string	[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O

Symbol	GHS05,GHS07
Signal word	Danger
Hazard statements	H302 - H318
Precautionary statements	P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
Hazard Codes	Xn
Risk Statements	22-31-41-52
Safety Statements	26-39-46
RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable
Supplemental Hazard Statements	EUH031

Purity	>97.5%
mp	>300 °C (lit.)
UNSPSC	12352300

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