[(chlorosulfonyl)imino]methanone

Basic Information

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CAS Number

1189-71-5

Molecular Formula

ClSO2NCO

Molecular Weight

141.54 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Water Treatment Chemicals Disinfectants Chlorine Compounds

Basic Physical Properties

Melting Point

−44 °C

Boiling Point

107 °C

Flash Point

18.5ºC

Refractive Index

n20/D 1.447(lit.)

Vapor Pressure

5.57 psi ( 20 °C)

SMILES

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C(=NS(=O)(=O)Cl)=O

InChI

InChI=1S/CClNO3S/c2-7(5,6)3-1-4

InChIKey

WRJWRGBVPUUDLA-UHFFFAOYSA-N

LogP

-0.19419999999999987

Topological Polar Surface Area

63.57 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

182

Safety Information

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GHS Hazard Pictograms

H302

H314

H334

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Sensitization, respiratory

Hazard Class

Class 8 Class 8

Synonyms & References

English

N-(oxidanylidenemethylidene)sulfamoyl chloride
EC 214-715-2
EN300-19010
sulfonyl isocyanate chloride
FT-0601127
Q8214963
MFCD00011608
chloro sulfonyl isocyanate
chloro-sulfonyl isocyanate
Chlorosulphonyl isocyanate
sulfurisocyanatidoyl chloride
2903Y990SM
Sulfonyl chloride isocyanate
DTXSID0061585
J-003985
J-520039
chloro sulphonyl isocyanate
Chlorosulfonyl isocyanate, Lonza quality, 99.0-100.3% (w/w) (T)
N-Carbonylsulfamyl chloride
NS00002215
sulphonyl isocyanate chloride
UNII-2903Y990SM
isocyanatosulphuryl chloride
Chlorosulfonyl isocyanate, 98%
chlorosulfonyl isocyanic acid
CHLOROSULFURIC ACID, ANHYDRIDE WITH ISOCYANIC ACID
chlorsulfonyl isocyanate
N-(oxomethylidene)sulfamoyl chloride
N-carbonylsulphamoyl chloride
chlorosufonyl isocyanate
chlorosulphonylisocyanate

MDL Number

MFCD00011608

Customs Code

2929109000

FAQ

What is [(chlorosulfonyl)imino]methanone (CAS: 1189-71-5)?

[(Chlorosulfonyl)imino]methanone, with the CAS number 1189-71-5, is an organic compound characterized by its chlorosulfonyl functional group. It is a colorless liquid with high reactivity, commonly used as a key intermediate in chemical synthesis. Its chemical formula is CCl3SO2NCO, and it exhibits properties such as volatility and sensitivity to moisture, making it a valuable reagent in pharmaceutical and industrial applications.

What are the main uses of [(chlorosulfonyl)imino]methanone (CAS: 1189-71-5)?

[(Chlorosulfonyl)imino]methanone (CAS: 1189-71-5) is primarily used in pharmaceuticals for synthesizing drugs and active ingredients. In industry, it serves as a precursor for producing pesticides, dyes, and polymers. It is also employed in research for creating carbamates and thiocarbamates. Its versatility in chemical reactions makes it a critical compound in organic synthesis and material science.

Is [(chlorosulfonyl)imino]methanone (CAS: 1189-71-5) safe?

[(Chlorosulfonyl)imino]methanone (CAS: 1189-71-5) is not considered safe for uncontrolled exposure. It is toxic and may cause skin, eye, and respiratory irritation. Handling requires protective equipment like gloves, goggles, and a lab coat, and it should be used in well-ventilated areas. Safety standards emphasize avoiding contact with moisture and following OSHA guidelines for hazardous chemical storage and disposal.

How should [(chlorosulfonyl)imino]methanone (CAS: 1189-71-5) be stored?

[(Chlorosulfonyl)imino]methanone (CAS: 1189-71-5) should be stored in a cool, dry, and dark place, ideally below 25°C. It requires sealed, inert containers (such as glass or stainless steel) to prevent exposure to moisture and air. Storage precautions include keeping it away from incompatible substances and in a well-ventilated fume hood to ensure stability and safety compliance.