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Substance
ID:363880
Structure
Similarity
Functional Group
Text
ID:78049
S-Methylisothiourea hemisulfate salt
Sigma Aldrich
ID: 67730
Names and Identifiers
IUPAC Traditional name
bis(methylsulfanylmethanimidamide); sulfuric acid
IUPAC name
bis((methylsulfanyl)methanimidamide); sulfuric acid
Synonyms
SMT
S-Methylthiuronium sulfate
2-甲基-2-硫代假脲 半硫酸盐
2-Methyl-2-thiopseudourea hemisulfate salt
S-Methylisothiourea hemisulfate salt
S-甲基异硫脲硫酸盐
S-甲基异硫脲 半硫酸盐
S-Methyl-ITU
S-甲基-ITU
Registration numbers
Beilstein Number
3717365
EC Number
212-759-7
CAS Number
867-44-7
MDL Number
MFCD00013055
PubChem SID
24885362
Properties
Safety Information
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
European Hazard Symbols
Harmful (Xn)
German water hazard class
3
Risk Statements
22
RTECS
UM9200000
MSDS Link
Download link
GHS Hazard statements
H302
GHS Signal Word
Warning
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Product Information
Grade
purum
Linear Formula
HN=C(NH2)SCH3 · 1/2H2SO4
Purity
≥98.0% (T)
Physical Property
Melting Point
240-241 °C (dec.)(lit.)
Solubility
H2O: soluble0.1 g/mL, clear, colorless
Molecule Details
Biochem/physiol Actions
More potent than NMMA as an inhibitor of inducible nitric oxide synthetase (iNOS).
Other Notes
For the guanidination of free amino groups1,2
Molecular Spectra
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References
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