71530
Sodium hydroxymethanesulfinate dihydrate
≥98.0% (RT)
Synonym(s):
Rongalite, Sodium formaldehydesulfoxylate
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About This Item
Empirical Formula (Hill Notation):
CH3NaO3S · 2H2O
CAS Number:
Molecular Weight:
154.12
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
EC Number:
205-739-4
NACRES:
NA.22
Assay:
≥98.0% (RT)
Form:
powder
InChI
1S/CH3O3S.Na.2H2O/c2-1-5(3)4;;;/h1H2,(H,3,4);;2*1H2/q-1;+1;;
InChI key
VJWVWUHJLZEHOU-UHFFFAOYSA-N
SMILES string
OCS(O[Na])=O.[H]O[H].[H]O[H]
assay
≥98.0% (RT)
form
powder
pH
9.5-10.5
solubility
H2O: 50 mg/mL, clear, colorless
functional group
sulfinic acid
Quality Level
Related Categories
Application
Sodium hydroxymethanesulfinate dihydrate is a versatile reagent that can be used for a wide range of organic transformations such as:
- A SO2-2anion source for the preparation of sulfones and sultines.
- Debromination of vicinal dibromoalkanes.
- Reductive dehalogenation of aldehydes and ketones.
signalword
Warning
hcodes
Hazard Classifications
Muta. 2 - Repr. 2
supp_hazards
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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Rongalite: a useful green reagent in organic synthesis.
Kotha S, et al.
Chemical Reviews, 112(3), 1650-1680 (2011)
S V Makarov et al.
Archives of biochemistry and biophysics, 367(2), 289-296 (1999-07-09)
Sodium hydroxymethanesulfinate, (HOCH2SO2Na, HMS) is relatively stable in aqueous alkaline environments, but rapidly decomposes in acidic medium to give a variety of products that include sulfur dioxide. A detailed kinetic and mechanistic study of the decomposition of HMS in slightly
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