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B7906

Sigma-Aldrich

1-Butanol

for molecular biology, ≥99%

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
Beilstein:
969148
EC Number:
200-751-6
MDL number:
MFCD00002964
UNSPSC Code:
12352200
PubChem Substance ID:
24892030
NACRES:
NA.52

grade

for molecular biology

vapor density

2.55 (vs air)

vapor pressure

5 (4 mmHg) at 20 °C hPa

Assay

≥99%

form

liquid

autoignition temp.

649 °F

expl. lim.

11.2 %

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.)

storage temp.

room temp

SMILES string

CCCCO

InChI

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

InChI key

LRHPLDYGYMQRHN-UHFFFAOYSA-N

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General description

1-Butanol is a clear, colorless alcohol that can be used for the removal of ethidium bromide from DNA purified by CsCl gradient ultracentrifugation. It is also suitable for use in the concentration of dilute nucleic acid solutions by repeated extractions, thus improving recovery by ethanol precipitation.

Application

1-Butanol has been used:
  • in the derivatization process for measuring methylated arginine levels in blood samples
  • in liquid-chromatography mass spectrometry (LC-MS) analysis of lysine modifications by deacetylase CobB
  • in the extraction of plant material from Vigna unguiculata
  • to extract and purify amplified human DNA samples before further amplification by PCR followed by sequencing

1-Butanol is suitable for use in nucleic acid purification and concentration protocols.

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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

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

95.0 °F - Pensky-Martens closed cup

Flash Point(C)

35 °C - Pensky-Martens closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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