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8.17068

Sodium formaldehydesulfoxylate hydrate

stabilized with sodium carbonate

Synonym(s):

Sodium formaldehydesulfoxylate hydrate, hydroxymethanesulfinic acid sodium salt hydrate, rongalite, sodium formaldehydesulfoxylate dihydrate., sodium hydroxymethanesulfinate hydrate, sodium hydroxymethanesulphinate hydrate

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About This Item

Empirical Formula (Hill Notation):
CH3NaO3S · xH2O (x ca. 2)
CAS Number:
6035-47-8
UNSPSC Code:
12352107
EC Index Number:
205-739-4
MDL number:
MFCD00150598
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vapor pressure

2.68 hPa ( 20 °C)

Quality Segment

assay

45.5-54.5% (as SO2, calc. on dried substance)

form

solid

technique(s)

API processing | salt formation: suitable

color

white

pH

9.5-10.5 (20 °C, 100 g/L in H2O)

mp

63 °C

solubility

water: 600 g/L °C

density

1.8 g/cm3 at 20 °C

bulk density

1000 kg/m3

application(s)

pharma/biopharma processes

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

Sodium formaldehydesulfoxylate hydrate is typically used as a preservative, antioxidant and stabilizer.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany

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Pictograms

Health hazard
GHS08

Signal Word

Warning

Hazard Codes

H341,H361d

Hazard Classifications

Muta. 2 - Repr. 2

supp_hazards

EUH032

Storage Class

11 - Combustible Solids

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