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730491 Sigma-Aldrich

Heptanes, mixture of isomers

Green Alternative

contains ≥25% n-heptane, ReagentPlus®

  • CAS Number 142-82-5

  • Empirical Formula (Hill Notation) C7H16

  • Molecular Weight 100.20

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Properties

Related Categories Acyclic, Alkanes, Building Blocks, Chemical Synthesis, Greener Solvent Alternatives,
Quality Level   100
product line   ReagentPlus®
assay   ≥99.0%
form   liquid
contains   ≥25% n-heptane
greener alternative product characteristics   Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.
application(s)   HPLC: suitable
impurities   ≤0.01% (water)
bp   92-100 °C
density   0.693 g/mL at 25 °C
greener alternative category   Aligned
storage temp.   room temp
InChI key   IMNFDUFMRHMDMM-UHFFFAOYSA-N

Description

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.

The product is a mixture of heptane isomers with ≥25% n-heptane. The influence of the molecular structure of heptane isomers on the combustion rate was investigated. The thermodynamic changes on mixing heptane isomers with hexadecanes were reported. The performance of Pd/SAPO (palladium/silicoaluminophosphates)-5 and Pd/SAPO-11 molecular seives in the hydroconversion of heptane isomers was studied. Photolysis of heptane isomers by one-color 157nm ionization was analyzed using ion imaging and time-of-flight mass spectroscopy.

Application

Greener alternatives to Hexane in HPLC.

Packaging

18, 200 L in steel drum

4×4 L in glass bottle

4×4 L in poly bottle

Features and Benefits

Greener alternative for hexane

Other Notes

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

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1206 - class 3 - PG 2 - Heptanes, solution
WGK Germany 
WGK 2
Flash Point(F) 
46.4 °F - closed cup
Flash Point(C) 
8 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Related Content

The 12 Principles of Green Chemistry

The aim of green chemistry is to reduce chemical related impact on human health and virtually eliminate contamination of the environment through dedicated, sustainable prevention programs. Green chem...
Keywords: Building blocks, Catalysis, Degradations, Derivatizations, Environmental, Green chemistry, Separation, Solvents

Peer-Reviewed Papers
15

References

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