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676861

Sigma-Aldrich

Cyclohexane

ACS reagent, ≥99%

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About This Item

Empirical Formula (Hill Notation):
C6H12
CAS Number:
Molecular Weight:
84.16
Beilstein:
1900225
EC Number:
MDL number:
UNSPSC Code:
12191502
PubChem Substance ID:
NACRES:
NA.21
Grade:
ACS reagent
Assay:
≥99%
Bp:
80.7 °C (lit.)
Vapor pressure:
168.8 mmHg ( 37.7 °C)
77 mmHg ( 20 °C)
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grade

ACS reagent

Quality Level

Agency

suitable for EPA 1613

vapor density

2.9 (vs air)

vapor pressure

168.8 mmHg ( 37.7 °C)
77 mmHg ( 20 °C)

Assay

≥99%

form

liquid

autoignition temp.

500 °F

expl. lim.

9 %

dilution

(for analytical testing)

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1 of 4

This Item
6504552270486.02827
assay

≥99%

assay

≥99.9%

assay

99.5%

assay

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

100

grade

ACS reagent

grade

-

grade

anhydrous

grade

for chromatography

solubility

ethanol: miscible(lit.), water: insoluble(lit.)

solubility

-

solubility

-

solubility

-

form

liquid

form

liquid

form

liquid

form

-

expl. lim.

9 %

expl. lim.

9 %

expl. lim.

9 %

expl. lim.

9 %

General description

Cyclohexane, a cycloalkane, is a combustible liquid with petrol like odor. It can be synthesized by hydrogenation of benzene in the presence of nickel or platinum catalysts. Cyclohexane is the precursor for the synthesis of polyamides. Cyclohexane ring forms the structural unit of many naturally occurring products.[1] The conformational changes of cyclohexane have been investigated over the temperature range of 100-1200°C.[2] Conversion of cyclohexane to cyclohexanol and cyclohexanone, via oxidation in the presence of Cu-nanoclusters anchored on nanocrystalline Cr2O3 has been reported.[3]

Application

Cyclohexane has been used to prepare iodine solution for analyzing the influence of vibrational relaxation of I2 molecules on structure using picosecond X-ray liquidography.[4]

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-4.0 °F - closed cup

Flash Point(C)

-20 °C - closed cup


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