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281549

1-Butanol

anhydrous, 99.8%

Synonym(s):

n-Butanol, Butyl alcohol

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About This Item

Linear Formula:
CH3(CH2)3OH
CAS Number:
71-36-3
Molecular Weight:
74.12
UNSPSC Code:
12352001
NACRES:
NA.05
PubChem Substance ID:
57648290
EC Number:
200-751-6
Beilstein/REAXYS Number:
969148
MDL number:
MFCD00002964
Assay:
99.8%
Grade:
anhydrous
Bp:
116-118 °C (lit.)
Vapor pressure:
5 (4 mmHg) at 20 °C hPa
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grade

anhydrous

Quality Segment

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

General description

Our anhydrous solvents deliver exceptionally low water content, making them the ideal choice for moisture-sensitive laboratory applications. Packaged in the exclusive Sure/Seal™ septum bottle system, they are reliably protected against moisture ingress from first use to last drop. The innovative Sure/Seal™ closure combines an advanced plug-style liner with an airtight elastomer and crimp cap design to ensure consistent product integrity. Three unique liner materials provide optimal chemical compatibility across a broad range of solvents. Sure/Seal™ packaging is proven to maintain anhydrous conditions even after repeated punctures. With more than 70 products across all major solvent families, available in pack sizes from 100 mL to 2 L, the portfolio meets virtually every laboratory need. By choosing ready-to-use anhydrous solvents in Sure/Seal™ packaging, researchers eliminate the need for time-consuming and hazardous in-house solvent drying and distillation - saving time, reducing risk, and improving reproducibility.

Application

Anhydrous solvents in Sure/Seal™ packaging are essential wherever water contamination would compromise experimental results. They are widely used in moisture-sensitive applications such as organic synthesis - including Grignard reactions, organometallic chemistry, and catalysis - as well as in peptide, oligonucleotide, and pharmaceutical synthesis.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

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Danger

Hazard Classifications

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

target_organs

Central nervous system, Respiratory system

Storage Class

3 - Flammable liquids

flash_point_f

95.0 °F - Pensky-Martens closed cup

flash_point_c

35 °C - Pensky-Martens closed cup

ppe

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

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