Methyl sulfamate

Basic Information

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CAS Number

55665-95-7

Molecular Formula

CH5NO3S

Molecular Weight

111.12 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

25-27 °C

Boiling Point

199.9±23.0 °C(Predicted)

Density

1.459±0.06 g/cm3(Predicted)

SMILES

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COS(=O)(=O)N

InChI

InChI=1S/CH5NO3S/c1-5-6(2,3)4/h1H3,(H2,2,3,4)

InChIKey

FIYXUOWXHWJDAM-UHFFFAOYSA-N

LogP

-1.1637

pKa

9.43±0.70(Predicted)

Topological Polar Surface Area

69.39 Å²

Hydrogen Bond Donor/Acceptor

2 / 4

Synonyms & References

English

Sulfamic Acid Impurity 1（Sulfamic Acid Methyl Ester）
methyl sulfamate
Sulfamic Acid Methyl Ester (Amidosulfuric Acid Methyl Ester)
Sulfamic acid, methyl ester
SULFAMIC ACID, METHYL ESTER

MDL Number

MFCD31647655

FAQ

What are the physical and chemical properties of Methyl sulfamate (CAS: 55665-95-7)?

Methyl sulfamate (CAS: 55665-95-7) is a colorless to white crystalline solid with a molecular weight of approximately 119.14 g/mol. It is slightly soluble in water and has good solubility in organic solvents like ethanol and acetone. Chemically, it is relatively stable but can react with strong oxidizing agents. Its reactivity is moderate, and it is commonly used in various applications due to its functional groups.

How is Methyl sulfamate (CAS: 55665-95-7) typically synthesized?

Methyl sulfamate is typically synthesized by the reaction of methyl isothiocyanate with sodium sulfamate. This process involves the formation of a salt intermediate, which is then converted to the final product. Commonly, this reaction is carried out in aqueous solution at room temperature. The reaction yield is about 85-90%, and the catalysts used are usually inorganic salts like sodium carbonate.

What industries use Methyl sulfamate (CAS: 55665-95-7)?

Methyl sulfamate (CAS: 55665-95-7) is used in various industries. It is a key component in the production of pesticides and herbicides due to its insecticidal and fungicidal properties. It also finds applications in the pharmaceutical industry for synthesizing certain drugs. Additionally, it is used in the synthesis of polymers, sensors, and semiconductors for its functional groups.

What precautions should be taken when handling Methyl sulfamate (CAS: 55665-95-7)?

When handling methyl sulfamate (CAS: 55665-95-7), it is essential to use personal protective equipment (PPE), including gloves and safety glasses. Work should be conducted in a well-ventilated area or fume hood. If a spill occurs, it should be immediately cleaned up with a suitable absorbent material, and appropriate disposal methods should be followed. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information and emergency procedures.