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Merck
CN

1.09687

n-Hexane

reference substance for gas chromatography

Synonym(s):

Hexane, n-Hexane

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About This Item

Linear Formula:
CH3(CH2)4CH3
CAS Number:
Molecular Weight:
86.18
EC Index Number:
203-777-6
UNSPSC Code:
12352001
Beilstein/REAXYS Number:
1730733
MDL number:
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Product Name

n-Hexane, reference substance for gas chromatography

SMILES string

CCCCCC

InChI

1S/C6H14/c1-3-5-6-4-2/h3-6H2,1-2H3

InChI key

VLKZOEOYAKHREP-UHFFFAOYSA-N

vapor density

~3 (vs air)

vapor pressure

256 mmHg ( 37.7 °C)
5.2 psi ( 37.7 °C)
~132 mmHg ( 20 °C)

assay

≥99.7% (GC)

form

liquid

autoignition temp.

453 °F

potency

25000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

expl. lim.

7.7 %

technique(s)

gas chromatography (GC): suitable

refractive index

n20/D 1.375 (lit.)

kinematic viscosity

0.50 cSt(20 °C)

bp

69 °C (lit.)

mp

−95 °C (lit.)

transition temp

flash point -22 °C

solubility

0.0095 g/L

density

0.659 g/mL at 25 °C (lit.)

storage temp.

2-30°C

Quality Level

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Analysis Note

Assay (GC): ≥ 99.7 %
Identity (IR): conforms

Other Notes

Replaces: 9687-2

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system, Nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

-7.6 °F

flash_point_c

-22 °C

Regulatory Information

危险化学品
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