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8.21001

Sigma-Aldrich

Phenyl isocyanate

for synthesis

Synonym(s):

Phenyl isocyanate, Isocyanic acid phenyl ester, Isocyanatobenzene

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About This Item

CAS Number:
103-71-9
Molecular Weight:
119.12
MDL number:
MFCD00001994
UNSPSC Code:
12352118
EC Index Number:
203-137-6
NACRES:
NA.22

vapor pressure

2.5 hPa ( 20 °C)

Quality Level

200
300

form

liquid

autoignition temp.

645 °C

potency

800 mg/kg LD50, oral (Rat)
7130 mg/kg LD50, skin (Rabbit)

expl. lim.

1.2 % (v/v)

bp

165 °C/1013 hPa

mp

-33 °C

transition temp

flash point 51 °C

solubility

0.617 g/L (Hydrolysis)

density

1.10 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C7H5NO/c9-6-8-7-4-2-1-3-5-7/h1-5H

InChI key

DGTNSSLYPYDJGL-UHFFFAOYSA-N

General description

for synthesis

Application

Phenyl isocyanate for synthesis. CAS 103-71-9, EC Number 203-137-6, chemical formula C₆H₅NCO.

Analysis Note

Assay (GC, area%)≥ 98.0 % (a/a)Density (d 20 °C/ 4 °C)1.093 - 1.095Identity (IR)passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(C)

51 °C - closed cup

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