4-Methyl-N-(oxomethylene)benzenesulfonamide

Basic Information

View in Editor

CAS Number

4083-64-1

Molecular Formula

C8H7NO3S

Molecular Weight

197.21 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

5°C

Boiling Point

144 °C/10 mmHg<br />275-278 °C

Refractive Index

n20/D 1.533-1.537<br />n20/D 1.534(lit.)

Vapor Pressure

1 mmHg ( 100 °C)

SMILES

View in Editor

Cc1ccc(cc1)S(=O)(=O)N=C=O

InChI

InChI=1S/C8H7NO3S/c1-7-2-4-8(5-3-7)13(11,12)9-6-10/h2-5H,1H3

InChIKey

VLJQDHDVZJXNQL-UHFFFAOYSA-N

LogP

1.01952

Topological Polar Surface Area

63.57 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

303

Safety Information

View Safety Information

GHS Hazard Pictograms

H315

H319

H331

H334

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H331 Toxic if inhaled
Acute toxicity, inhalation

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

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 6.1 Class 6.1

Sensitiveness

Moisture Sensitive

Synonyms & References

English

p-Toluenesulfonyl isocyanate
4-METHYLBENZENE-1-SULFONYL ISOCYANATE
4-TOLUENESULFONYL ISOCYANATE
PTSI
TOLUENE-4-SULFONYL ISOCYANATE
TOSYL ISOCYANATE
4-Isocyanatosulphonyltoluene
4-methyl-benzenesulfonylisocyanat
4-methyl-Benzenesulfonylisocyanate
4-Methylphenylsulfonyl isocyanate
Benzenesulfonyl isocyanate, 4-methyl-
p-Methylphenylsulfonyl isocyanate
p-Toluenesulfonic acid, anhydride with isocyanic acid
p-Toluensulfonyl isocyanate
p-Tolylsulfonyl isocyanate
p-Tosyl isocyanate
Sulfone, isocyanato tolyl
P-toluenesulfony6l isocyanate
p-Toluenesulfonyl isocyanate,AcroSeal
4-Methylbenzenesulfonyl isocyanate
p-Toluenesulphonyl isocyanate
Tosylisocyanate
VLJQDHDVZJXNQL-UHFFFAOYSA-N
4-methyl-N-(oxomethylidene)benzenesulfonamide
p-TOLUENE SULFONYL ISOCYANATE
DSSTox_CID_7558
DSSTox_RID_78504
DSSTox_GSID_27558
H9004FJX6V
(4-meth
Tosyl Isocyanate

MDL Number

MFCD00002030

Customs Code

2929109000

FAQ

What is 4-Methyl-N-(oxomethylene)benzenesulfonamide (CAS: 4083-64-1)?

4-Methyl-N-(oxomethylene)benzenesulfonamide is an organic compound with the chemical formula C8H9NO3S. It features a benzenesulfonamide backbone with a methyl group and an oxomethylene substituent, making it a versatile intermediate in chemical synthesis. This compound is known for its stability under normal conditions and is commonly used in pharmaceutical and industrial applications.

What are the main uses of 4-Methyl-N-(oxomethylene)benzenesulfonamide (CAS: 4083-64-1)?

4-Methyl-N-(oxomethylene)benzenesulfonamide is primarily used in the pharmaceutical industry for synthesizing drugs and agrochemicals. It serves as a key building block in the development of sulfonamide-based compounds, which are employed in treatments for infections and as herbicides. Additionally, it finds applications in research for organic reactions and material science.

Is 4-Methyl-N-(oxomethylene)benzenesulfonamide (CAS: 4083-64-1) safe?

Safety of 4-Methyl-N-(oxomethylene)benzenesulfonamide depends on exposure conditions. It is generally considered low toxicity but should be handled with care to avoid skin contact and inhalation. Proper protective equipment, such as gloves and goggles, is recommended. Adherence to safety standards like OSHA ensures safe use in laboratories and industrial settings.

How should 4-Methyl-N-(oxomethylene)benzenesulfonamide (CAS: 4083-64-1) be stored?

4-Methyl-N-(oxomethylene)benzenesulfonamide should be stored in a cool, dry, and dark place to maintain stability. Keep it in a tightly sealed container, preferably made of glass or plastic, to prevent moisture ingress. Avoid exposure to heat and direct light, and store in a well-ventilated area to ensure safety and prolong shelf life.