2,4-Difluorophenyl isocyanate Property

Boiling point:

42 °C/6 mmHg (lit.)

Density 

1.309 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.490(lit.)

Flash point:

50 °C

storage temp. 

2-8°C

form 

clear liquid

color 

Colorless to Almost colorless

Sensitive 

Moisture Sensitive/Lachrymatory

BRN 

2831577

CAS DataBase Reference

59025-55-7(CAS DataBase Reference)

Safety

Hazard Codes 

Xn,T,Xi

Risk Statements 

20/21/22-36/37/38-42-10

Safety Statements 

26-36/37-45-36/37/39-16

RIDADR 

UN 2478 3/PG 3

WGK Germany 

3

F 

10-19-21

Hazard Note 

Toxic/Lachrymatory/Moisture Sensitive

HazardClass 

6.1

PackingGroup 

II

HS Code 

29291090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

2,4-Difluorophenyl isocyanate Chemical Properties,Usage,Production

Chemical Properties

Clear colorless to faintly yellow liquid

Uses

2,4-Difluorophenyl isocyanate has been used:

• in the synthesis of N,N-disubstituted S,N′-diarylisothioureas
• as blocking reagent, to modify the hydroxyl, amine and epoxide functional groups of cured MY720/DDS epoxy thin films