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| CAS No.: | 41195-90-8 |
|---|---|
| Name: | 2,3-Dichlorophenyl isocyanate |
| Article Data: | 4 |
| Molecular Structure: | |
|
|
|
| Formula: | C7H3 Cl2 N O |
| Molecular Weight: | 188.013 |
| Synonyms: | 1,2-Dichloro-3-isocyanatobenzene;2,3-Dichlorophenyl isocyanate |
| EINECS: | 255-253-1 |
| Density: | 1.424 |
| Boiling Point: | 58°C 1mm |
| Flash Point: | 112.8 ºC |
| Solubility: | decomposes |
| Appearance: | Light yellow liquid. |
| Hazard Symbols: |
|
| Risk Codes: | R23/24/25;R36/37/38;R42 |
| Safety: | S26;S28A;S36/37/39;S38;S45 |
| Transport Information: | UN 2250 |
| PSA: | 29.43000 |
| LogP: | 2.96070 |
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Chemistry
IUPAC Name: 1,2-Dichloro-3-isocyanatobenzene
Following is the structure of 2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8):
Empirical Formula: C7H3Cl2NO
Molecular Weight: 188.0108 g/mol
EINECS: 255-253-1
Index of Refraction: 1.575
Molar Refractivity: 45.36 cm3
Molar Volume: 137.2 cm3
Density: 1.37 g/cm3
Flash Point: 95.5 °C
Storage temp.: 0-6°C
Surface Tension: 43.7 dyne/cm
Enthalpy of Vaporization: 48.39 kJ/mol
Boiling Point: 246.7 °C at 760 mmHg
Vapour Pressure: 0.0267 mmHg at 25 °C
Product Categories: Isocyanates;Nitrogen Compounds;Organic Building Blocks
Appearance of 2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8): clear colorless liquid after melting
Sensitive of 2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8): Moisture Sensitive
Water Solubility of 2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8): decomposes
Canonical SMILES: C1=CC(=C(C(=C1)Cl)Cl)N=C=O
InChI: InChI=1S/C7H3Cl2NO/c8-5-2-1-3-6(7(5)9)10-4-11/h1-3H
InChIKey: FYWJWWMKCARWQG-UHFFFAOYSA-N
Toxicity Data With Reference
2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.
Safety Profile
Hazard Codes: 
T
Risk Statements: 42-36/37/38-23/24/25
R42:May cause sensitization by inhalation.
R36/37/38:Irritating to eyes, respiratory system and skin.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements: 45-38-36/37/39-28-26-23
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.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S23:Do not breathe vapour.
RIDADR: 2250
HazardClass: 6.1
PackingGroup: II
Specification
2,3-Dichlorophenyl isocyanate , its cas register number is 41195-90-8. It also can be called 1,2-Dichloro-3-isocyanatobenzene ; Benzene, 1,2-dichloro-3-isocyanato- .
2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8) is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Or in the eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. While, it's inhaled: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Then you have the ingesting of the product : Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water.
In addition, 2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8) is moisture sensitive. It is not compatible with strong oxidizing agents, acids, strong bases, alcohols, amines. 2,3-Dichlorophenyl isocyanate (CAS NO.41195-90-8) should avoid the condition like incompatible materials, excess heat, exposure to moist air or water. And also prevent it to broken down into hazardous decomposition products: hydrogen chloride, hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide. However, its hazardous polymerization has not been reported. It should be stored in a tightly closed container, or kept under a nitrogen blanket. It also can be stored in a cool, dry, well-ventilated area away from incompatible substances, or stored protected from moisture.