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Sodium Disulfite (Reag. USP) for analysis, ACS

Sodium Metabisulphite, Sodium Pyrosulphite

Minimum assay (Iodom.): 97.0%
Code
131698
CAS
7681-57-4
Molecular Formula
Na2S2O5
Molar mass
190.10 g/mol

Recommended prices only. For prices and orders please contact your local distributor.
Box prices only valid with purchase of full box.

code packaging size price per unit box price per unit
Code & packaging Price per piece
131698.1210
code
131698.1210
packaging size
500 g
Product active until stock lasts.
Solubility:
water 470 g/l at 20 °C
Physical Description:
solid
Product Code:
131698
Product Name:
Sodium Disulfite (Reag. USP) for analysis, ACS
Quality Name:
for analysis, ACS
Specifications:
Minimum assay (Iodom.): 97.0%

Maximum limit of impurities
Insoluble matter in H2O: 0.005 %
Chloride (Cl): 0.005%
Phosphate (PO4): 0.002 %
Thiosulfate (S2O3): 0.05%
As: 0.0001%
Heavy metals (as Pb): 0.001%

Metals by ICP [in mg/Kg (ppm)]
Al: 5
Au: 5
Ba: 5
Bi: 5
Cd: 5
Co: 5
Cr: 10
Cu: 10
Fe: 10
Ga: 5
In: 5
Mg: 5
Mn: 10
Mo: 5
Ni: 10
Pb: 10
Pt: 5
Sb: 5
Si: 5
Sn: 5
Sr: 5
Ti: 5
Tl: 10
V: 5
Zn: 10
Zr: 5
Hazard pictograms
  • GHS05 Hazard
  • GHS07 Hazard
WGK:
1
Storage:
Storage away from direct light.
Signal Word:
Danger
GHS Symbols:
GHS07
GHS05
H Phrases:
H302
EUH031
H318
P Phrases:
P264
P270
P280
P301+P312
P305+P351+P338
P310
P330
P501
Master Name:
Sodium Disulphite
Synonyms Long Text:
Sodium Metabisulphite, Sodium Pyrosulphite
EINECS:
231-673-0
CS:
2832 10 00 00
Index Nr.:
016-063-00-2
Download TDS file for complete specifications