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Key Documents

8.40099

Sigma-Aldrich

n-Butyl isocyanate

Synonym(s):

Isocyanic acid butyl ester

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About This Item

UNSPSC Code:
41116105

vapor pressure

23 hPa ( 20 °C)

Quality Level

200

assay

≥98.0% (GC)

form

liquid

autoignition temp.

425 °C

potency

360 mg/kg LD50, oral (rat)

expl. lim.

1.3-10 % (v/v)

bp

116 °C/1013 hPa

mp

-75 °C

transition temp

flash point 19 °C

density

0.89 g/cm3 at 20 °C

General description

for synthesis

Application

n-Butyl isocyanate for synthesis. CAS 111-36-4, molar mass 99.13 g/mol.

Storage and Stability

Store below +30°C.

Analysis Note

Assay (GC, area%):≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C):0.887 - 0.890
Appearance of substance (visual):clear to light turbid
Identity (IR):passes test

signalword

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

51.8 °F - closed cup

flash_point_c

11 °C - closed cup

Certificates of Analysis (COA)

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