2,4-Difluorophenyl isocyanate
- CAS NO.：59025-55-7
- Empirical Formula: C7H3F2NO
- Molecular Weight: 155.1
- MDL number: MFCD00001997
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-11-04 16:48:37
What is 2,4-Difluorophenyl isocyanate?
Chemical properties
Clear colorless to faintly yellow liquid
The Uses of 2,4-Difluorophenyl isocyanate
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
Properties of 2,4-Difluorophenyl isocyanate
| Boiling point: | 42 °C/6 mmHg (lit.) |
| Density | 1.309 g/mL at 25 °C (lit.) |
| refractive index | n |
| 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 information for 2,4-Difluorophenyl isocyanate
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,4-Difluorophenyl isocyanate
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