N-PROPYLCARBIMIDE
n-Propyl isocyanate
CAS: 110-78-1
Molecular Formula: C4H7NO
N-PROPYLCARBIMIDE - Names and Identifiers
| Name | n-Propyl isocyanate |
| Synonyms | N-PROPYLCARBIMIDE Propyl isocyanate PROPYL ISOCYANATE m-Propyl isocyanate n-Propyl isocyanate 1-isocyanatopropane N-PROPYL ISOCYANATE Isocyanocacidpropylester ISOCYANIC ACID PROPYL ESTER Isocyanic Acid n-Propyl Ester |
| CAS | 110-78-1 |
| EINECS | 203-803-6 |
| InChI | InChI=1/C4H7NO/c1-2-3-5-4-6/h2-3H2,1H3 |
N-PROPYLCARBIMIDE - Physico-chemical Properties
| Molecular Formula | C4H7NO |
| Molar Mass | 85.1 |
| Density | 0.908g/mLat 25°C(lit.) |
| Melting Point | -30 °C |
| Boling Point | 83-84°C(lit.) |
| Flash Point | 32°F |
| Water Solubility | reacts vigorously |
| Vapor Presure | 83.9mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear yellow |
| BRN | 1098489 |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.394(lit.) |
| Physical and Chemical Properties | Isopropyl isocyanate is a colorless transparent liquid, B. p.74 ~ 75 ℃,n20D 1.3820, relative density 0.866, soluble in toluene, xylene, chlorobenzene and other organic solvents, easy to react with water, alcohols, amines and other, volatile, irritation to eyes and skin, suitable for storage at low temperature. |
N-PROPYLCARBIMIDE - Risk and Safety
| Risk Codes | R11 - Highly Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R42/43 - May cause sensitization by inhalation and skin contact. R42 - May cause sensitization by inhalation R34 - Causes burns R26 - Very Toxic by inhalation R22 - Harmful if swallowed R14 - Reacts violently with water |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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.) S38 - In case of insufficient ventilation, wear suitable respiratory equipment. S16 - Keep away from sources of ignition. |
| UN IDs | UN 2482 6.1/PG 1 |
| WGK Germany | 1 |
| RTECS | NR0190000 |
| FLUKA BRAND F CODES | 19 |
| HS Code | 29291090 |
| Hazard Class | 6.1(a) |
| Packing Group | I |
N-PROPYLCARBIMIDE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | isopropyl isocyanate is an intermediate of the fungicide isourea. |
| production method | the preparation method is to put xylene and isopropylamine into a reaction kettle, when the temperature falls below 15 ℃, hydrochloric acid is added dropwise, and the temperature does not exceed 25 ℃, heating and azeotropic dehydration are carried out until dehydration is completed, and the temperature is cooled to normal temperature, and the material is transferred to an isopropyl isocyanate reaction kettle, the temperature was raised to 80 ℃, and phosgene was introduced. The end point was clear and transparent. The phosgene and hydrogen chloride are driven with nitrogen until the tail gas is neutral. After cooling to room temperature, the material is transferred to the distillation kettle, and the 74~78 ℃ fraction is collected by distillation to be the product. |
| category | flammable liquid |
| toxicity grade | high toxicity |
| Acute toxicity | intravenous injection-mouse LD50: 56 mg/kg |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | flammability; |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant |
| extinguishing agent | dry powder, carbon dioxide; 1211; Foam |
Last Update：2024-04-10 22:29:15
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