p-Tolyl isocyanate
Synonym(s):4-Methylphenyl isocyanate
- CAS NO.：622-58-2
- Empirical Formula: C8H7NO
- Molecular Weight: 133.15
- MDL number: MFCD00002029
- EINECS: 210-743-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is p-Tolyl isocyanate?
Chemical properties
CLEAR SLIGHTLY BROWN LIQUID
The Uses of p-Tolyl isocyanate
p-Tolyl isocyanate was used to study the catalytic role of supported Rhodium(I) complex toward the reductive carbonylation of nitrobenzene in DMF medium.
Definition
ChEBI: An isocyanate comprising a benzene core with isocyanato and methyl substituents para to each other.
General Description
p-Tolyl isocyanate reacts with human serum albumin to form antigen which helps in detecting IgE antibodies in workers hypersensitive to toluene diisocyanate.
Hazard
A Poison by inhalation. Moderately toxic by ingestion.
Properties of p-Tolyl isocyanate
| Melting point: | 155-156 °C(Solv: acetonitrile (75-05-8); hexane (110-54-3)) |
| Boiling point: | 70-72 °C/10 mmHg (lit.) |
| Density | 1.056 g/mL at 25 °C (lit.) |
| vapor pressure | 75.5Pa at 25℃ |
| refractive index | n |
| Flash point: | 152 °F |
| storage temp. | 2-8°C |
| form | Liquid |
| color | Clear slightly brown |
| Water Solubility | 7.5g/L at 20℃ |
| Sensitive | Moisture Sensitive |
| BRN | 471494 |
| CAS DataBase Reference | 622-58-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1-isocyanato-4-methyl-(622-58-2) |
| EPA Substance Registry System | p-Tolyl isocyanate (622-58-2) |
Safety information for p-Tolyl isocyanate
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin 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. 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 p-Tolyl isocyanate
| InChIKey | MGYGFNQQGAQEON-UHFFFAOYSA-N |
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