Benzene, 1-ethyl-4-isocyanato-

Benzene, 1-ethyl-4-isocyanato- - Names and Identifiers

Name	4-ethylphenyl isocyanate
Synonyms	4-ETHYLPHENYL ISOCYANATE 4-Ethylisocyanatobenzene 4-ethylphenyl isocyanate p-ethylphenyl isocyanate 1-ethyl-4-isocyanatobenzene 1-Ethyl-4-isocyanato-benzene Benzene, 1-ethyl-4-isocyanato- Isocyanic Acid 4-Ethylphenyl Ester
CAS	23138-50-3
EINECS	245-446-9
InChI	InChI=1/C9H9NO/c1-2-8-3-5-9(6-4-8)10-7-11/h3-6H,2H2,1H3

Benzene, 1-ethyl-4-isocyanato- - Physico-chemical Properties

Molecular Formula	C9H9NO
Molar Mass	147.17
Density	1.024g/mLat 25°C(lit.)
Boling Point	68°C1mm Hg(lit.)
Flash Point	190°F
Vapor Presure	0.218mmHg at 25°C
BRN	971100
Storage Condition	2-8℃
Sensitive	Moisture Sensitive
Refractive Index	n20/D 1.527(lit.)
MDL	MFCD00013881

Benzene, 1-ethyl-4-isocyanato- - Risk and Safety

Risk Codes	R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
UN IDs	UN 2206 6.1/PG 3
WGK Germany	3
Hazard Class	6.1
Packing Group	III

Benzene, 1-ethyl-4-isocyanato- - Introduction

4-ethylphenyl isocyyanate is an organic compound with the chemical formula C9H9NO. The following is a detailed description of its nature, use, formulation and safety information:

Nature:
4-ethylphenyl isocyyanate is a colorless to pale yellow liquid with a pungent odor. It is soluble in organic solvents such as ethanol and methylene chloride, and almost insoluble in water.

Use:
4-ethylphenyl isocyyanate is mainly used in the field of organic synthesis. It is an important intermediate for the preparation of some chemicals, such as dyes, fluorescent dyes, rubber processing aids, pharmaceuticals and pesticides. It can also be used as a reagent in research and laboratories.

Method:
4-ethylphenyl isocyanate is usually obtained by reacting benzaldehyde (ethylbenzene) with sodium cyanide. First, benzaldehyde reacts with trimethylamine to form the corresponding amino acid salt. Then, under alkaline conditions, the amino acid salt reacts with sodium cyanate to produce 4-ethylphenyl isocyyanate.

Safety Information:
4-ethylphenyl isocyyanate is irritating and may cause eye and skin irritation, respiratory and digestive tract irritation. Therefore, wear appropriate personal protective equipment, such as protective gloves and glasses, and ensure adequate ventilation during use. In case of contact with skin or eyes, rinse immediately with plenty of water and consult a doctor. In addition, 4-ethylphenyl isocyyanate should be stored in a sealed container, away from ignition and oxidizing agents.

Last Update：2024-04-09 21:01:54