4-Cyanophenyl isocyanate
- CAS NO.：40465-45-0
- Empirical Formula: C8H4N2O
- Molecular Weight: 144.13
- MDL number: MFCD00037038
- EINECS: 254-934-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 4-Cyanophenyl isocyanate?
Chemical properties
off-white to beige crystalline needles or solid
What are the applications of Application
4-Cyanophenyl isocyanate is a specialty product for proteomics research
General Description
4-Cyanophenyl isocyanate, also known as 4-isocyanatobenzonitrile, is an aryl isocyanate. It alters the surface of silk sericin in lithium chloride/dimethyl sulfoxide solvent by forming urethane linkages.
Properties of 4-Cyanophenyl isocyanate
| Melting point: | 101-104 °C (lit.) |
| Boiling point: | 262.72°C (rough estimate) |
| Density | 1.2851 (rough estimate) |
| refractive index | 1.4900 (estimate) |
| storage temp. | 2-8°C |
| form | Crystalline Needles or Solid |
| color | Off-white to beige |
| Water Solubility | insoluble (dec) |
| CAS DataBase Reference | 40465-45-0(CAS DataBase Reference) |
| EPA Substance Registry System | Benzonitrile, 4-isocyanato- (40465-45-0) |
Safety information for 4-Cyanophenyl isocyanate
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
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 |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. 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. 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 4-Cyanophenyl isocyanate
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