2-Isopropylidenehydrazinecarbothioamide

Basic Information

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CAS Number

1752-30-3

Molecular Formula

C4H9N3S

Molecular Weight

131.2 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Amines

Basic Physical Properties

Melting Point

174-175°C

Boiling Point

213.8 °C at 760 mmHg

Flash Point

83.1 °C

Refractive Index

1.5800 (estimate)

SMILES

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CC(=NNC(=S)N)C

InChI

InChI=1S/C4H9N3S/c1-3(2)6-7-4(5)8/h1-2H3,(H3,5,7,8)

InChIKey

FQUDPIIGGVBZEQ-UHFFFAOYSA-N

LogP

0.21539999999999992

Topological Polar Surface Area

50.41 Å²

Hydrogen Bond Donor/Acceptor

3 / 3

Complexity

115

Safety Information

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Hazard Statement

H312 Harmful in contact with skin
Acute toxicity, dermal

Hazard Class

Class 6.1 Class 6.1

Synonyms & References

English

[(propan-2-ylidene)amino]thiourea
Acetone thiosemicarbazone
UNII-C3U604L47F
AKOS006221176
Dimethyl ketone thiosemicarbazone
Acetone, thiosemicarbazone
MFCD00022153
D88204
NSC-711
NCGC00338186-01
2-(1-Methylethylidene)hydrazinecarbothioamide
A811962
AKOS001268691
CAS-1752-30-3
NCGC00357277-01
SCHEMBL19063125
2-(propan-2-ylidene)hydrazinecarbothioamide
LS-13009
ACETONE THIOSEMICARBAZIDE
A0059
Z57128338
BDBM50268197
Hydrazinecarbothioamide, 2-(1-methylethylidene)-
DTXSID6044480
C3U604L47F
Q4673281
1752-30-3
1-(propan-2-yliden)thiosemicarbazide
ACETONE THIOSEMICARBAZIDE [HSDB]
AB01329842-02
HSDB 6422

MDL Number

MFCD00022153

Customs Code

2930909090

FAQ

What are the physical and chemical properties of 2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3)?

2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3) is a white crystalline solid with a molecular weight of approximately 188.26 g/mol. It has a low solubility in water but is more soluble in organic solvents. The compound is moderately reactive, particularly towards nucleophiles and reducing agents. It is sensitive to moisture and light, and should be stored in a dry, dark, and airtight container to prevent degradation.

How is 2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3) typically synthesized?

2-Isopropylidenehydrazinecarbothioamide is synthesized by the reaction of isopyrazolidone with hydrazine sulfate in the presence of a catalyst such as sulfuric acid. The reaction is carried out in water at elevated temperatures, followed by extraction with an organic solvent. The yield is typically around 70-80%, with good selectivity for the target product. The reaction is exothermic, and proper heat management is necessary to avoid decomposition.

What industries use 2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3)?

2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3) is used in the pharmaceutical industry as an intermediate in the synthesis of certain drugs. It also finds application in the polymer industry as a crosslinking agent and in the development of sensors for detecting specific gases. Additionally, it is used in the semiconductor industry as a precursor for the preparation of metal chalcogenides.

What precautions should be taken when handling 2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3)?

When handling 2-Isopropylidenehydrazinecarbothioamide (CAS: 1752-30-3), it is essential to use appropriate personal protective equipment (PPE), including gloves, chemical-resistant aprons, and safety glasses. The compound should be handled in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be cleaned up immediately using appropriate absorbent materials. In case of exposure, seek medical attention. Always refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.