Sodium sulfite

SIGALD/31454 - puriss. p.a., reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)

CAS Number: 7757-83-7
Empirical Formula (Hill Notation): Na₂O₃S
Molecular Weight: 126.04
EC Number: 231-821-4
MDL Number: MFCD00003503
Linear Formula: Na₂SO₃
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-31454-500G	500 g	$59.90 1/EA	Add To Favorites
45-31454-1KG	1 kg	$108.00 1/EA	Add To Favorites

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This image depicts SKU: 31454-500G

Properties
Descriptions
Safety Info.
Basic Data

agency	reag. Ph. Eur.
	USP/NF
anion traces	chloride (Cl^-): ≤50 mg/kg
assay	98-100.0% (iodometric)
cation traces	As: ≤0.2 mg/kg
	Ca: ≤50 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Se: ≤10 mg/kg
	Zn: ≤10 mg/kg
form	solid
grade	puriss. p.a.
impurities	≤0.001% heavy metals (as Pb)
	≤0.02% thiosulfate (S₂O₃)
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L
pH	9.0-10.5 (25 °C, 126 g/L)
Quality Level	100
SMILES string	[Na+].[Na+].[O-]S([O-])=O

Application:	Sodium sulfite was used in the preparation of films based on wheat gluten.
General description:	Sodium sulfie is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.
Packaging:	1 kg in poly bottle
Packaging:	500 g in poly bottle

Risk Statements	31
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	98-100.0% (iodometric)
UNSPSC	12352300

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