Substance
ID:715234
Names and Identifiers
IUPAC name
carbamimidoylsulfinic acid
Synonyms
Thiourea dioxideFormamidinesulfinic acid甲脒亚磺酸Aminoiminomethanesulfinic acid
IUPAC Traditional name
thiourea dioxide
Registration numbers
MDL Number
Beilstein Number
EC Number
CAS Number
Properties
Safety Information
Risk Statements
5-22-36/37/38
GHS Pictograms
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
UN Number
UN3341
European Hazard Symbols
Harmful (X)GHS Precautionary statements
P261-P301+P310-P305+P351+P338-P302+P352-P405-P501A
Hazard Class
4.2
RTECS
PB0372500
Safety Statements
26-36/37
GHS Hazard statements
H301-H315-H319-H335-H252
Storage Warning
Moisture Sensitive
TSCA Listed
是
Packing Group
III
Product Information
Purity
98%
Physical Property
Density
1.68
Melting Point
ca 126°C dec.
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• For use in the reductive cyclization of nitro ketones to pyrroles, see 2-Benzylidenecyclohexanone, L13434 and 3-Penten-2-one, L13031.
• Disulfides and N-tosylsulfimines are reduced, under phase-transfer conditions, to thiols and sulfides respectively: Synthesis, 529 (1975). In the presence of iodine as a catalyst, sulfoxides are reduced to sulfides in high yield: Synthesis, 542 (1978).
• Has been used to reduce ketones to secondary alcohols: Tetrahedron Lett., 343 (1972), and aldehydes to primary alcohols: J. Chin. Chem. Soc., 21, 235 (1973).