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Merck
CN

80123

Heptane

puriss., absolute, over molecular sieve (H2O ≤0.005%), ≥99.5% (GC)

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About This Item

Linear Formula:
CH3(CH2)5CH3
CAS Number:
142-82-5
Molecular Weight:
100.20
EC Number:
205-563-8
UNSPSC Code:
12352001
PubChem Substance ID:
57652828
Beilstein/REAXYS Number:
1730763
MDL number:
MFCD00009544

Key Documents

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vapor density

3.5 (vs air)

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

grade

absolute, puriss.

assay

≥99.5% (GC)

autoignition temp.

433 °F

quality

over molecular sieve (H2O ≤0.005%)

expl. lim.

7 %

impurities

≤0.005% water
water

refractive index

n20/D 1.387 (lit.), n20/D 1.388

bp

98 °C (lit.)

mp

−91 °C (lit.)

density

0.684 g/mL at 25 °C (lit.)

SMILES string

CCCCCCC

InChI

1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3

InChI key

IMNFDUFMRHMDMM-UHFFFAOYSA-N

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signalword

Danger

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

3 - Flammable liquids

wgk

WGK 2

flash_point_f

24.8 °F - closed cup

flash_point_c

-4 °C - closed cup

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
STBD3366V
STBC6537V
1417435V
1417435
1364950

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Eagleson M.
Concise Encyclopedia Chemistry, 39-39 (1994)
Solubility of Long-Chain n-Alkanes in Heptane between 280 and 350 K.
Roberts KL, et al.
Journal of Chemical and Engineering Data, 39(4), 793-795 (1994)
A comprehensive modeling study of n-heptane oxidation.
Curran HJ, et al.
Combustion and Flame, 114(1), 149-177 (1998)
Márcia Eliana da Silva Ferreira et al.
Antimicrobial agents and chemotherapy, 48(11), 4405-4413 (2004-10-27)
We investigated the evolution of resistance to the antifungal drug itraconazole in replicate populations of Aspergillus fumigatus that were founded from a strain with a genotype of sensitivity to a single drug and then propagated under uniform conditions. For each
Study of the growth of ZnS nanoparticles in water/AOT/n-heptane microemulsions by UV-absorption spectroscopy.
Calandra P, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 160(1), 9-13 (1999)
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