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281549

Sigma-Aldrich

1-Butanol

anhydrous, 99.8%

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Synonym(s):
n-Butanol, Butyl alcohol
Linear Formula:
CH3(CH2)3OH
CAS Number:
71-36-3
Molecular Weight:
74.12
Beilstein:
969148
EC Number:
200-751-6
MDL number:
MFCD00002964
UNSPSC Code:
12352001
PubChem Substance ID:
57648290
NACRES:
NA.05

grade

anhydrous

Quality Level

100

vapor density

2.55 (vs air)

vapor pressure

5 (4 mmHg) at 20 °C hPa

Assay

99.8%

form

liquid

autoignition temp.

649 °F

expl. lim.

11.2 %

impurities

<0.005% water

evapn. residue

<0.0005%

color

colorless

refractive index

n20/D 1.399 (lit.)

pH

7 (20 °C, 70 g/L)

bp

116-118 °C (lit.)

mp

−90 °C (lit.)

density

0.81 g/mL at 25 °C (lit.)

SMILES string

CCCCO

InChI

1S/C4H10O/c1-2-3-4-5/h5H,2-4H2,1H3

InChI key

LRHPLDYGYMQRHN-UHFFFAOYSA-N

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Application

1-Butanol may be used as a solvent for the deoxygenation of O-protected alcohols via Barton-McCombie protocol.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

Pensky-Martens closed cup

Flash Point(C)

Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

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Tormo J and Fu GC
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The kinetics of the triethylamine-catalyzed reaction of diisocyanates with 1-butanol in toluene.
Burkus J and Eckert CF.
Journal of the American Chemical Society, 80(22), 5948-5950 (1958)
Acid-base properties of silica-aluminas: use of 1-butanol dehydration as a test reaction.
Berteau P, et al.
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