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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

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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