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8.06455

Sigma-Aldrich

Sodium formaldehydesulfoxylate hydrate

(stabilised with sodium carbonate) for synthesis

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Synonym(s):
Sodium formaldehydesulfoxylate hydrate
Empirical Formula (Hill Notation):
CH3NaO3S · xH2O (x ca. 2)
CAS Number:
MDL number:
UNSPSC Code:
12352107
EC Index Number:
205-739-4
NACRES:
NA.22

vapor pressure

2.68 hPa ( 20 °C)

Quality Level

form

powder

potency

6400 mg/kg LD50, oral (Rat)

pH

9.5-10.5 (20 °C, 100 g/L in H2O)

mp

63 °C

solubility

600 g/L

density

1.8 g/cm3 at 20 °C

bulk density

950 kg/m3

storage temp.

2-30°C

InChI

1S/CH3O3S.Na.2H2O/c2-1-5(3)4;;;/h1H2,(H,3,4);;2*1H2/q-1;+1;;

InChI key

VJWVWUHJLZEHOU-UHFFFAOYSA-N

Application

Analysis Note

Assay (iodometric, calc. as dihydrate): ≥ 97.0 %
Iron (Fe): ≤ 0.003 %
Identity (IR): passes test
This material contains approx. 5% sulfit resulting from the production process.

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Muta. 2 - Repr. 2

Supplementary Hazards

WGK

WGK 1


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