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246654

Sigma-Aldrich

Heptane

greener alternative

anhydrous, 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
PubChem Substance ID:
57648092

grade

anhydrous

Quality Level

200

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

expl. lim.

7 %

greener alternative product characteristics

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

impurities

<0.001% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0005%

refractive index

n20/D 1.387 (lit.)

bp

98 °C (lit.)

mp

−91 °C (lit.)

solubility

water: insoluble

density

0.684 g/mL at 25 °C (lit.)

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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This Item
5.89577650536494526
Heptane anhydrous, 99%

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Heptane

vapor density

3.5 (vs air)

vapor density

3.5 (vs air)

vapor density

3.5 (vs air)

vapor density

3.5 (vs air)

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

assay

99%

assay

99%

assay

≥98.5% (GC), 99%

assay

≥99%

form

liquid

form

-

form

liquid

form

liquid

autoignition temp.

433 °F

autoignition temp.

433 °F

autoignition temp.

433 °F

autoignition temp.

433 °F

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 and thus has been enhanced for "Safer Solvents and Auxiliaries". Click here for more information.
Heptane is a linear hydrocarbon that is considered as a greener alternative to the more toxic hexane.

Application

Greener alternatives to Hexane.

Features and Benefits

Greener alternative for hexane

Packaging

View returnable container options.

Other Notes

Pure-Pac® II containers require the Micomatic MicroValve for dispensing solvents, Z560723.

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

Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

24.8 °F

Flash Point(C)

-4 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Sonochemical preparation of silane-coated titania particles.
Shafi KVPM, et al.
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Understanding of possible molecular interactions at liquid-liquid and solid-liquid interfaces can shed lights onto the nature's design and authorise fine manipulation aptitude in biological, manufacturing, microfluidic and oil recovery applications. Of particular interest is the capability to control the aggregation
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