Methanesulfonyl isocyanate, also known as methylsulfonyl isocyanate or MSi, is a highly reactive and toxic chemical compound with the molecular formula CH3SO2NCO. It is a colorless liquid with a pungent odor and is used as a valuable intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its high reactivity, it can readily react with amines, alcohols, and water, leading to the formation of carbamates and ureas. Methanesulfonyl isocyanate is also known for its ability to form stable adducts with amines, which can be used as protecting groups in organic synthesis. However, it is important to handle Methanesulfonyl isocyanate with extreme caution due to its potential health hazards, including severe eye and skin irritation, respiratory issues, and potential carcinogenic effects.
3611-92-5
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Basic information
- Product Name: Methanesulfonyl isocyanate
- Synonyms: Methanesulfonyl isocyanate
- CAS NO:3611-92-5
- Molecular Formula: C2H3NO3S
- Molecular Weight: 121.12
- EINECS: N/A
- Product Categories: N/A
- Mol File: 3611-92-5.mol
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Chemical Properties
- Melting Point: 29.5-31 °C
- Boiling Point: 55 °C(Press: 2 Torr)
- Flash Point: N/A
- Appearance: /
- Density: 1.41±0.1 g/cm3(Predicted)
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Methanesulfonyl isocyanate(CAS DataBase Reference)
- NIST Chemistry Reference: Methanesulfonyl isocyanate(3611-92-5)
- EPA Substance Registry System: Methanesulfonyl isocyanate(3611-92-5)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 3611-92-5(Hazardous Substances Data)
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3611-92-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3611-92-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,1 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.Calculate Digit Verification of CAS Registry Number 3611-92:
(6*3)+(5*6)+(4*1)+(3*1)+(2*9)+(1*2)=75
75 % 10 = 5
So 3611-92-5 is a valid CAS Registry Number.
3611-92-5Upstream product
3611-92-5Downstream Products
- 82453-68-7 N-[2-(Dimethyl-hydrazono)-2-phenyl-acetyl]-methanesulfonamide
- 82453-71-2 p-Methoxyphenyl-glyoxylsaeure-methylsulfonamid-N,N-dimethylhydrazon
- 82453-72-3 N-[2-(Dimethyl-hydrazono)-2-(4-nitro-phenyl)-acetyl]-methanesulfonamide
- 112080-69-0 p-Methoxyphenyl-glyoxylsaeure-p-tolylsulfonamid-N,N-dicyclohexylhydrazon
- 112081-05-7 6-(p-Methoxy-phenyl)-1,3-di-methylsulfonyl-5-piperidino-hexahydro-1,3,5-triazin-2,4-dion
- 3144-09-0 methanesulfonamide
- 124-38-9 carbon dioxide
- 3855-41-2 fluoroformyliminosulfur difluoride
- 1359843-24-5 C13H16N2O3S
- 1359843-28-9 C19H20N2O3S
- 1359843-36-9 C13H22N2O3S
- 1359843-30-3 C19H30N2O4SSi
- 1359843-26-7 C14H18N2O3S
- 1359843-32-5 C15H20N2O5S
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Methanesulfonyl isocyanate
