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34873

Sigma-Aldrich

Heptane

greener alternative

suitable for HPLC, ≥99%

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Linear Formula:
CH3(CH2)5CH3
CAS Number:
142-82-5
Molecular Weight:
100.20
Beilstein:
1730763
EC Number:
205-563-8
MDL number:
MFCD00009544
UNSPSC Code:
41116105
PubChem Substance ID:
329755080
NACRES:
NA.06

vapor density

3.5 (vs air)

Quality Level

100

vapor pressure

40 mmHg ( 20 °C)
83 mmHg ( 37.7 °C)

Assay

≥99%

form

liquid

autoignition temp.

433 °F

purified by

filtration through 0.2μm

expl. lim.

7 %

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

technique(s)

HPLC: suitable

impurities

≤0.001% free acid (as CH3COOH)
≤0.01% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm

evapn. residue

≤0.0003%

color

APHA: ≤10

refractive index

n20/D 1.387 (lit.)

bp

98 °C (lit.)

mp

−91 °C (lit.)

density

0.684 g/mL at 25 °C (lit.)

UV absorption

λ: 200 nm Amax: ≤0.70
λ: 210 nm Amax: ≤0.40
λ: 220 nm Amax: ≤0.10
λ: 230 nm Amax: ≤0.05
λ: 245 nm Amax: ≤0.01
λ: 260 nm Amax: ≤0.01
λ: 400 nm Amax: ≤0.01

greener alternative category

Aligned,

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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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. Heptane is an environmentally preferable solvent and greener alternative to hexane for chromatographic purification and thus has been enhanced for "Safer Solvents and Auxiliaries". Click here for more information.
Tools and techniques for solvent selection: green solvent selection guides.

Heptane (n-Heptane) is a linear hydrocarbon. Its cetane number has been reported to be 56.

Application

Greener alternatives to Hexane in HPLC.
Heptane (n-heptane) may be used to compose the solvent mixtures for the purification of N-acylpyrrolidine derivatives of fatty acid methyl esters (FAMEs) by TLC (Thin Layer Chromatography).

Features and Benefits

Greener alternative for hexane

Other Notes

What is a green solvent? A comprehensive framework for the environmental assessment of solvents

Tools and techniques for solvent selection: green solvent selection guides
Important notice
The article number 34873-4X2.5L will be discontinued. Please order the single bottle 34873-2.5L which is physically identical with the same exact specifications.

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Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Signal Word

Danger

Hazard Statements

H225,H304,H315,H336,H410

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

WGK

WGK 2

Flash Point(F)

24.8 °F

Flash Point(C)

-4 °C

Regulatory Information

危险化学品

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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Bacterial phospholipid molecular species analysis by ion-pair reversed-phase HPLC/ESI/MS.
Mazzella N, et al.
Journal of Lipid Research, 45(7), 1355-1363 (2004)
A comprehensive modeling study of n-heptane oxidation.
Curran HJ, et al.
Combustion and Flame, 114(1), 149-177 (1998)
S Monadjemi et al.
Environmental science & technology, 45(22), 9582-9589 (2011-09-29)
Photodegradation is seldom considered at the surface of vegetation after crop spraying. Chlorothalonil, a broad-spectrum foliar fungicide with a very widespread use worldwide, was considered. To represent the waxy upper layer of leaves, tests were performed within thin paraffin wax
Gábor Csordás et al.
PloS one, 9(6), e98191-e98191 (2014-06-04)
In recent years, Drosophila melanogaster has become an attractive model organism in which to study the structure and development of the cellular immune components. The emergence of immunological markers greatly accelerated the identification of the immune cells (hemocytes), while the
Thushara Karunasekara et al.
Journal of chromatography. A, 1218(6), 809-816 (2011-01-07)
Partition coefficients for varied compounds were determined for the organic solvent-propylene carbonate biphasic partition system where the organic solvent is n-heptane, isopentyl ether or 1-octanol. These partition coefficient databases are analyzed using the solvation parameter model facilitating a quantitative comparison
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