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B95736

Sigma-Aldrich

Butyl isocyanate

98%

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Synonym(s):
1-Isocyanatobutane, n-Butyl isocyanate, BIC
Linear Formula:
CH3(CH2)3NCO
CAS Number:
Molecular Weight:
99.13
Beilstein/REAXYS Number:
773917
EC Number:
MDL number:
PubChem Substance ID:

vapor density

3 (vs air)

Quality Level

vapor pressure

10.6 mmHg ( 20 °C)

assay

98%

form

liquid

refractive index

n20/D 1.406 (lit.)

bp

115 °C (lit.)

density

0.88 g/mL at 25 °C (lit.)

SMILES string

CCCCN=C=O

InChI

1S/C5H9NO/c1-2-3-4-6-5-7/h2-4H2,1H3

InChI key

HNHVTXYLRVGMHD-UHFFFAOYSA-N

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1 of 4

This Item
260630220574189278
vibrant-m

B95736

Butyl isocyanate

vibrant-m

260630

tert-Butyl isocyanide

vibrant-m

220574

(R)-(+)-α-Methylbenzyl isocyanate

vibrant-m

189278

p-Toluenesulfonyl isocyanate

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

form

liquid

form

liquid

form

liquid

form

liquid

refractive index

n20/D 1.406 (lit.)

refractive index

n20/D 1.376 (lit.)

refractive index

n20/D 1.513 (lit.)

refractive index

n20/D 1.534 (lit.)

density

0.88 g/mL at 25 °C (lit.)

density

0.735 g/mL at 25 °C (lit.)

density

1.045 g/mL at 20 °C (lit.)

density

1.291 g/mL at 25 °C (lit.)

bp

115 °C (lit.)

bp

91 °C (lit.)

bp

55-56 °C/2.5 mmHg (lit.)

bp

144 °C/10 mmHg (lit.), 275-278 °C (lit.)

General description

Butyl isocyanate is a metabolite of benomyl, a broad spectrum fungicide.

Application

Butyl isocyanate can undergo anionic polymerization to form poly(butyl isocyanate) using lanthanum isopropoxide as the initiator.

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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Customers Also Viewed

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J Pauluhn et al.
Experimental pathology, 40(4), 197-202 (1990-01-01)
Pulmonary function, arterial blood gases, acid-base status, and bronchoalveolar lavage fluid (BALF) composition were assessed in male Wistar rats after a single 4-h exposure to 0, 7.6, 23.5 or 55.2 mg n-butyl isocyanate (n-BIC)/m3 air. No significant changes other than
N, N′-dibutylurea from n-butyl isocyanate, a degradation product of benomyl. 1. Formation in Benlate formulations and on plants.
Moye H A, et al.
Journal of Agricultural and Food Chemistry, 42(5), 1204-1208 (1994)
Qinghai Huang et al.
Neurology India, 58(2), 259-263 (2010-05-29)
Distal anterior cerebral artery (DACA) aneurysms are less common, accounting for 3.1 to 9.2% of all intracranial aneurysms.The clinical characteristics and surgical techniques are quite different from those of other aneurysms of Willis circle. We aimed to investigate the clinical
J Pauluhn et al.
Archives of toxicology, 66(2), 118-125 (1992-01-01)
The objectives of this study were to use pulmonary function tests, blood gas measurements and bronchoalveolar lung lavage (BAL) to characterize lesions in the respiratory tract of young adult male Wistar rats as a result of a 5-day exposure (6
S P Kucera et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 30(6), 779-799 (1995-11-01)
The effects of the fungicide benomyl and its breakdown products, carbendazim and butyl isocyanate, were examined on canine tracheal epithelial tissue in primary culture. Changes in ciliary frequencies were monitored with an optical spectrum analysis system. Serial dilutions of the

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