4-Chloro-iso-cyanatobenzene
4-Chlorophenyl isocyanate
CAS: 104-12-1;932-98-9
Molecular Formula: C7H4ClNO
4-Chloro-iso-cyanatobenzene - Names and Identifiers
4-Chloro-iso-cyanatobenzene - Physico-chemical Properties
| Molecular Formula | C7H4ClNO |
| Molar Mass | 153.57 |
| Density | 1.2 g/mL at 25 °C (lit.) |
| Melting Point | 26-29 °C (lit.) |
| Boling Point | 203-204 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | DECOMPOSES |
| Vapor Presure | 30Pa at 20℃ |
| Appearance | Yellow crystal |
| Color | White to yellow |
| BRN | 386235 |
| Storage Condition | 2-8°C |
| Sensitive | Moisture Sensitive/Lachrymatory |
| Refractive Index | n20/D 1.5618(lit.) |
| MDL | MFCD00002024 |
| Physical and Chemical Properties | Density 1.26 melting point 26-31°C boiling point 203-204°C refractive index 1.5618 flash point 60°C water-soluble decomposers |
| Use | For organic synthesis, mainly used as pharmaceutical, pesticide and other intermediates |
4-Chloro-iso-cyanatobenzene - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R26 - Very Toxic by inhalation R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R42 - May cause sensitization by inhalation R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S38 - In case of insufficient ventilation, wear suitable respiratory equipment. S37/39 - Wear suitable gloves and eye/face protection S28A - S22 - Do not breathe dust. |
| UN IDs | UN 2811 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | NQ8575000 |
| FLUKA BRAND F CODES | 10-19-21 |
| TSCA | Yes |
| HS Code | 29291090 |
| Hazard Note | Toxic/Corrosive/Lachrymatory/Moisture Sensitive |
| Hazard Class | 6.1 |
| Packing Group | II |
4-Chloro-iso-cyanatobenzene - Reference Information
| LogP | 3.12 at 22℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | p-chlorobenzene isocyanate is an intermediate of diuret and diuret. Used in organic synthesis, mainly used as intermediates such as medicine and pesticides used as intermediates for organic compounds. |
| production method | its preparation method is to add p-chloroaniline and toluene into a reaction kettle, stir to dissolve p-chloroaniline, then pass through light gas at low temperature, pass into a certain amount of phosgene, then transfer into a thermal reactor, heat up to about 105 ℃, the material becomes transparent, then reflux for a certain period of time, pass in nitrogen to catch up with phosgene, and cool the product. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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