4-Chloro-2-fluorophenyl isocyanate

异氰酸-4-氯-2-氟苯酯

Also known as: 1-chloro-2-fluoro-4-isocyanatobenzene, 1-Chloro-2-fluoro-4-isocyanato-benzene, 3-Fluor-4-chlorphenylisocyanat, 4-CHLORO-2-FLUOROPHENYL ISOCYANATE 97, 4-Chloro-2-fluorophenyl isocyanate 97%, Benzene, 1-chloro-2-fluoro-4-isocyanato-, MFCD03701600

CAS No.
51163-28-1
Jingsj CID
J-34352-7
Molecular Formula
C7H3ClFNO
Chinese Name
异氰酸-4-氯-2-氟苯酯
Molecular Weight
171.55600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point201-202ºC(lit.)
Density1.354 g/mL at 25ºC(lit.)
Flash Point185 °F

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Chloro-2-fluorophenyl isocyanate?

51163-28-1

What are the molecular formula and molecular weight of 4-Chloro-2-fluorophenyl isocyanate?

C7H3ClFNO, molecular weight 171.55600 g/mol

Is 4-Chloro-2-fluorophenyl isocyanate hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026