Thiourea dioxide

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Names

[ CAS No. ]:
1758-73-2

[ Name ]:
Thiourea dioxide

[Synonym ]:
QSO&YZUM
thiourea dioxide
Thiurea dioxide
Aminoiminomethanesulfinic acid
EINECS 217-157-8
Amino(imino)methanesulfinic acid
Methanesulfinic acid, 1-amino-1-imino-
Methanesulfinic acid, amino-imino-
MFCD00002397
Formamidinesulfinic acid

Chemical & Physical Properties

[ Density]:
2.3±0.1 g/cm3

[ Boiling Point ]:
355.3±25.0 °C at 760 mmHg

[ Melting Point ]:
124-127 °C (dec.)(lit.)

[ Molecular Formula ]:
CH4N2O2S

[ Molecular Weight ]:
108.120

[ Flash Point ]:
168.7±23.2 °C

[ Exact Mass ]:
107.999344

[ PSA ]:
106.38000

[ LogP ]:
-2.59

[ Vapour Pressure ]:
0.0±1.7 mmHg at 25°C

[ Index of Refraction ]:
1.805

[ Storage condition ]:
2-8°C

[ Water Solubility ]:
30 g/L (20 ºC)

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H251-H302-H315-H319-H335

[ Precautionary Statements ]:
P301 + P312 + P330-P305 + P351 + P338-P407-P413-P420

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R22;R36/37/38

[ Safety Phrases ]:
S26-S24/25

[ RIDADR ]:
UN 3341 4.2/PG 2

[ WGK Germany ]:
1

[ RTECS ]:
PB0372500

[ Packaging Group ]:
II

[ Hazard Class ]:
4.2

[ HS Code ]:
2930909090

Precursor & DownStream

Precursor

  • Formamidine disulfide dihydrochloride
  • Disulfidodicarbamidine
  • Peracetic acid
  • acetic acid
  • Methanol
  • ozone
  • Water
  • Hydrogen peroxide

DownStream

  • 2-Guanidinoacetic acid
  • 5-Methoxy-1H-benzo[d]imidazole
  • 5-Chloro-1H-benzimidazole
  • 5-Bromo-1H-benzo[d]imidazole
  • Benzimidazole
  • Uracil
  • 5-methylbenzimidazole
  • Creatine
  • RGX-202
  • Aminoiminomethanesulfonic acid

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Articles

Preparation of technetium-99m glucoheptonate utilizing formamidine sulfinic acid.

Int. J. Nucl. Med. Biol. 7(1) , 71-3, (1980)

The use of formamidine sulphinic acid in the preparation of 99mTc-labelled radiopharmaceuticals--a cautionary note.

Int. J. Nucl. Med. Biol. 8(1) , 110-1, (1981)

The influence of reducing agents on the composition of 99Tc-complexes: implications for 99mTc-radiopharmaceutical preparation.

Eur. J. Nucl. Med. 7(4) , 187-9, (1982)

The use of formamidine sulphinic acid as a reducing agent in the presence of technetium-99-pertechnetate and diethyldithiocarbamate ligand has been shown to yield a complex containing a Tc = CO bond. ...


More Articles

Related Compounds

  • thiourea dioxide
  • Thiourea,N-methyl-N'-2-oxazolyl-
  • Thiourea, N-(2,5-dimethylphenyl)-N'-phenyl-
  • Thiourea,N-2-oxazolyl-N'-propyl-
  • Thiourea, N-[4-(4-chlorophenyl)-5-methyl-1H-pyrazol-3-yl]-N-(2-phenylethyl)- (9CI)
  • Thiourea,N,N'-bis(4-chlorophenyl)-
  • 4-(1,3-Dioxoisoindolin-2-yl)-1-methylcyclohexanecarboxylic acid
  • 4-(1,3-Dioxoisoindolin-2-yl)-1-methylcyclohexanecarbonyl chloride
  • (5-Fluoro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)boronic acid
  • 4-(2-Methoxyethyl)pyrrolidin-2-one
  • 2-(Difluoromethyl)pyrimidine-4,6(1H,5H)-dione
  • 4-((Tert-butyldiphenylsilyl)oxy)piperidine
  • tert-Butyl 3-{[tert-butyl(diphenyl)silyl]oxy}azetidine-1-carboxylate
  • 1-(5-Bromo-2-fluoro-3-pyridyl)-1-propanone
  • 4-Isopropoxy-2-methoxybenzaldehyde
  • 1-(Diethoxyphosphoryl)-2,2,2-trifluoroethyl 2,2,2-trifluoroacetate
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