About This Item
vapor density
3.5 (vs air)
Quality Level
vapor pressure
40 mmHg ( 20 °C)
83 mmHg ( 37.7 °C)
Assay
≥96%
form
liquid
autoignition temp.
433 °F
composition
n-heptane, 96%
expl. lim.
7 %
greener alternative product characteristics
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technique(s)
HPLC: suitable
impurities
<0.02% water
evapn. residue
<0.0003%
color
APHA: ≤10
refractive index
n20/D 1.387 (lit.)
bp
98 °C (lit.)
98 °C
mp
−91 °C (lit.)
solubility
acetone: miscible(lit.)
carbon tetrachloride: soluble(lit.)
ethanol: very soluble(lit.)
ethyl acetate: miscible(lit.)
water: insoluble(lit.)
density
0.684 g/mL at 25 °C (lit.)
λmax
400 nm (2nd)
λmax
0.01 at 254 nm
absorption
0.10 at 225 nm
0.40 at 210 nm
1.0 at 197 nm
application(s)
food and beverages
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
Tools and techniques for solvent selection: green solvent selection guides.
Heptane (n-Heptane) is a primary reference fuel (PRF) for the rating of octane numbers of fuels in internal combustion engines. Its cetane number has been reported to be 56. Mechanism and kinetic studies of its oxidation in flow reactors, shock tubes and rapid compression machines have been proposed. Its thermal decomposition has been studied under different conditions of temperature and pressure. Its oxidative dehydrogenation in the presence of magnesium oxide supported vanadium catalyst has been investigated. Molybdenum phosphide supported on Hβ zeolite (MoP/Hβ) catalyzed hydroisomerization of n-heptane has been reported to be enhanced by doping with secondary metals (Cr, Ni or Ce).
Application
- To compose the solvent mixtures for the purification of N-acylpyrrolidine derivatives of fatty acid methyl esters (FAMEs) by TLC (Thin Layer Chromatography).
- To generate chiral alcohols and heptanones, via whole cell double oxidation.
- As a solvent in the synthesis of isopropyl acetate, via esterification of acetic acid with isopropyl alcohol catalyzed by lipase immobilized on silica.
Features and Benefits
Other Notes
Signal Word
Danger
Hazard Statements
Precautionary 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
WGK
WGK 2
Flash Point(F)
24.8 °F
Flash Point(C)
-4 °C
Regulatory Information
Certificates of Analysis (COA)
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