4-Isocyanatobenzoyl chloride

Modify Date: 2025-08-25 07:19:57

4-Isocyanatobenzoyl chloride Structure
4-Isocyanatobenzoyl chloride structure
Common Name 4-Isocyanatobenzoyl chloride
CAS Number 3729-21-3 Molecular Weight 181.57600
Density 1.28g/cm3 Boiling Point 54-55ºC0.07 mm Hg(lit.)
Molecular Formula C8H4ClNO2 Melting Point 36-38ºC(lit.)
MSDS Chinese USA Flash Point 105.2ºC
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger

 Names

Name 4-Isocyanatobenzoyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.28g/cm3
Boiling Point 54-55ºC0.07 mm Hg(lit.)
Melting Point 36-38ºC(lit.)
Molecular Formula C8H4ClNO2
Molecular Weight 181.57600
Flash Point 105.2ºC
Exact Mass 180.99300
PSA 46.50000
LogP 2.03290
Appearance of Characters Crystalline Mass | Light yellow
Index of Refraction 1.567

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302-H312-H314-H317-H332-H335
Precautionary Statements P261-P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C: Corrosive;
Risk Phrases 20/21/22-34-36/37-42/43
Safety Phrases 26-27-28-36/37/39-45
RIDADR UN 3261 8/PG 2
WGK Germany 3
Packaging Group III
HS Code 2929109000

 Synthetic Route

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4-Isocyanatobenzoyl chloride Structure

4-Isocyanatoben...

CAS#:3729-21-3

Literature: Iwakura,Y. et al. Journal of Organic Chemistry, 1966 , vol. 31, p. 142 - 146

~%

4-Isocyanatobenzoyl chloride Structure

4-Isocyanatoben...

CAS#:3729-21-3

Literature: Farbenfabr. Bayer Patent: DE943407 , 1953 ;

 Customs

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

 Articles3

More Articles
Polymers from multifunctional isocyanates, 3. Synthesis and polyaddition reactions of (liquid-crystalline) fully aromatic diisocyanatoesters. Mormann W and Brahm M.

Makromol. Chem. 190(3) , 631-42, (1989)

Polymers from multifunctional isocyanates: 7. Synthesis and phase behaviour of liquid-crystalline triad ester-group-containing diisocyanates. Mormann W and Brahm M.

Polymer 34(1) , 187-94, (1993)

Preparation of supramolecular extenders with precise chain lengths via iterative synthesis and their applications in polyurethane elastomers. Kuo M-C, et al.

Macromolecules 45(13) , 5358-70, (2012)

 Synonyms

4-isocyanatobenzoic acid chloride
4-Isocyanatobenzoylchlorid
4-isocyanato-benzoyl chloride
p-isocyanatobenzoyl chloride
MFCD00075605
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