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Key Documents

Safety Information

8.06455

Sigma-Aldrich

Sodium formaldehydesulfoxylate hydrate

(stabilised with sodium carbonate) for synthesis

Synonym(s):

Sodium formaldehydesulfoxylate hydrate

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About This Item

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

SMILES string

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

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

8064559999:
8064559050:
8064559025:
8064550000:
8064550100:
8064551000:
8064555000:
CO1E8064551000:


Certificates of Analysis (COA)

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