Sodium sulfite, 500G

SKU:
SX0785-1
$74.70

Description

Sodium sulfite, anhydrous, Meets ACS, Reagent Specifications for testing USP/NF monographs GR ACS

Linear Formula:
Na2SO3
CAS Number:
7757-83-7
Molecular Weight:
126.04
MDL number:
MFCD00003503
EC Index Number:
231-821-4

PROPERTIES

Quality Level

200

assay

≥98.0% (iodometric)

form

powder

impurities

≤0.005% Insoluble matter
≤0.03 meq/g Titrable free base

pH

8.8-10 (20 °C, 50 g/L in H2O)

mp

>500 °C (decomposition)

solubility

220 g/L

anion traces

chloride (Cl-): ≤0.02%

cation traces

Fe: ≤0.001%
heavy metals (as Pb): ≤0.001%

shipped in

ambient

storage temp.

room temp

SMILES string

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

InChI

1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

InChI key

GEHJYWRUCIMESM-UHFFFAOYSA-L

DESCRIPTION

Packaging

500 g in Plastic bottle
2.5 kg in Plastic bottle
12 kg in Plastic drum

Analysis Note

Assay (iodometric): 98.0% min
Chloride (Cl): 0.02% max
Free acid: To pass test
Heavy metals (as Pb): 0.001% max
Insoluble matter: 0.005% max
Iron (Fe): 0.001% max
Titrable free base: 0.03meq/g max

SAFETY INFORMATION

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable