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Home/Compounds/Industrial Chemical/4-methylbenzenesulfonyl isocyanate
C8H7NO3S
197.21 g/mol
Industrial ChemicalDanger

Tosyl isocyanate

CAS4083-64-1EC223-810-8
Category
Industrial Chemical
Compound Class
Other
Primary Use
Intermediate for polyurethane coatings and adhesives

Tosyl isocyanate is a chemical compound employed as an intermediate in the production of polyurethane coatings and adhesives. It features an aromatic ring and a reactive isocyanate group, making it useful in polymer synthesis.

Intermediate for polyurethane coatingsIntermediate for polyurethane adhesives

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

Silicon carbide

CAS409-21-2

abrasive and refractory material

ReferenceSame Category

Chloromethyl 2-ethylbutyrate

CAS40930-71-0

intermediate for organic synthesis

ReferenceSame Category

Isophorone diisocyanate

CAS4098-71-9

Polyurethane precursor for coatings and elastomers

ReferenceSame Category

Nysted reagent

CAS41114-59-4

Olefination reagent for ketones and aldehydes

Safety Reference

Toxic
Toxic
Harmful
Harmful
Health Hazard
Health Hazard
Danger
H315Causes skin irritation
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
H317May cause an allergic skin reaction
H330Fatal if inhaled
H372Causes damage to organs through prolonged or repeated exposure

Customs Tariff Classification

The international HS code for Tosyl isocyanate (CAS 4083-64-1) is 2935.90.

HS code (international, 6-digit)

2935.90

EU CN code (8-digit)

2935 90 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

4-methyl-N-(oxomethylidene)benzenesulfonamide

InChIKey

VLJQDHDVZJXNQL-UHFFFAOYSA-N

SMILES

CC1=CC=C(C=C1)S(=O)(=O)N=C=O

Synonyms (28)
  • 4-Isocyanatosulphonyltoluene,
  • 4-Toluenesulfonyl isocyanate
  • Additive ti
  • Sulfone, isocyanato tolyl
  • TosNCO
  • Tosyl isocyanate
  • TsNCO
  • p-Toluenesulfonyl isocyanate
  • p-Toluenesulfonyl lsocyanate
  • p-Toluenesulphonyl isocyanate
  • p-Toluensulfonyl isocyanate
  • p-Tolylsulfonyl isocyanate
  • p-Tosyl isocyanate

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