Description
Heptane for HPLC, ≥99%, 1L
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CAS Number 142-82-5
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Linear Formula CH3(CH2)5CH3
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Molecular Weight 100.20
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Beilstein/REAXYS Number 1730763
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EC Number 205-563-8
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MDL number MFCD00009544
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PubChem Substance ID 329755080
Properties
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Quality Level | 100 |
grade | for HPLC |
vapor density | 3.5 (vs air) |
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. |
application(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 |
Safety Information
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.[1]
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).[2]
Packaging
1, 6×1, 2, 4×2, 4×4 L in glass bottle
20 L in Nowpak™
20, 50 L in Pure-Pac™ 2
56 L in Pure-Pac™ 1
100 mL in glass bottle
200 L in Pure-Pac™ 2
Features and Benefits
Greener alternative for hexane