4-Chloro-2-fluorophenyl isocyanate

Modify Date: 2025-08-25 18:42:57

4-Chloro-2-fluorophenyl isocyanate Structure
4-Chloro-2-fluorophenyl isocyanate structure
Common Name 4-Chloro-2-fluorophenyl isocyanate
CAS Number 51163-28-1 Molecular Weight 171.55600
Density 1.354 g/mL at 25ºC(lit.) Boiling Point 201-202ºC(lit.)
Molecular Formula C7H3ClFNO Melting Point N/A
MSDS Chinese USA Flash Point 185 °F
Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger

 Names

Name 4-Chloro-2-fluorophenyl isocyanate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.354 g/mL at 25ºC(lit.)
Boiling Point 201-202ºC(lit.)
Molecular Formula C7H3ClFNO
Molecular Weight 171.55600
Flash Point 185 °F
Exact Mass 170.98900
PSA 29.43000
LogP 2.44640
Index of Refraction n20/D 1.5400(lit.)

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger
Hazard Statements H315-H319-H334-H335
Precautionary Statements P261-P305 + P351 + P338-P342 + P311
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn
Risk Phrases 36/37/38-42
Safety Phrases 23-26-45
HS Code 2929109000

 Synthetic Route

~%

4-Chloro-2-fluorophenyl isocyanate Structure

4-Chloro-2-fluo...

CAS#:51163-28-1

Literature: F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; BROTHERTON-PLEISS, Christine, E.; CHEN, Zhi; ERICKSON, Shawn, David; KIM, Kyungjin; LI, Hongju; QIAN, Yimin; SO, Sung-Sau; WOVKULICH, Peter, Michael; YI, Lin Patent: WO2014/56958 A1, 2014 ; Location in patent: Paragraph 0075 ;

~%

4-Chloro-2-fluorophenyl isocyanate Structure

4-Chloro-2-fluo...

CAS#:51163-28-1

Literature: F. HOFFMANN-LA ROCHE AG; HOFFMANN-LA ROCHE INC.; BROTHERTON-PLEISS, Christine E.; CHEN, Zhi; ERICKSON, Shawn David; KIM, Kyungjin; LI, Hongju; LOVEY, Allen John; QIAN, Yimin; SO, Sung-Sau; WOVKULICH, Peter Michael; YI, Lin Patent: WO2014/60341 A1, 2014 ; Location in patent: Paragraph 0075 ;

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2929109000
Summary 2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

1-chloro-2-fluoro-4-isocyanatobenzene
MFCD03701600
3-Fluor-4-chlorphenylisocyanat
4-CHLORO-2-FLUOROPHENYL ISOCYANATE 97
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