W255912 Sigma-Aldrich

Hexanoic acid

natural, FCC

Synonym: Acid C6, Caproic acid

  • CAS Number 142-62-1

  • Linear Formula CH3(CH2)4COOH

  • Molecular Weight 116.16

  •  FEMA Number 2559

  •  Beilstein Registry Number 773837

  •  EC Number 205-550-7

  •  Council of Europe no. 9c

  •  MDL number MFCD00004421

  •  PubChem Substance ID 24901148

  •  Flavis number 8.009



Related Categories Alphabetical Listings, Certified Natural Products, E - H, E-H, Flavors and Fragrances,
grade   Halal
reg. compliance   FCC
  FDA 21 CFR (117)
vapor density   4 (vs air)
vapor pressure   0.18 mmHg ( 20 °C)
refractive index   n20/D 1.4161(lit.)
bp   202-203 °C(lit.)
mp   −4 °C (lit.)
density   0.927 g/mL at 25 °C(lit.)
Documentation   see Safety & Documentation for available documents
Organoleptic   cheese; fatty; sour
food allergen   no known allergens


Other Notes

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Safety & Documentation

Safety Information

Signal word 
Hazard statements 
UN 2829 8 / PGIII
WGK Germany 
Flash Point(F) 
215.6 °F
Flash Point(C) 
102 °C

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the molarity of hexanoic acid?
Based on density of 0.927 g/mL and MW of 116.16, the effective molarity of this neat liquid is 7.98 M.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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Protocols & Articles


The Complex Regulatory Landscape for Natural Flavor Ingredients

Introduction The Regulatory Landscape US and EU Definitions of Natural Regional Regulatory Variations The Example of Vanillin The Case for Standardization
Mr. Michael Sabisch1, Mr. David Smith2

1Senior Quality Assurance Specialist
2International Sales Coordinator, Sigma-Aldrich Flavors & Fragrances
Keywords: Fermentation, Food Safety, Oxidations

Understanding the Complexities of Kosher Ingredients

Introduction What is Kosher Product Considerations for Kosher Certification Kosher's Added Benefit to the Food Industry Sigma-Aldrich's Kosher Experience and Offering
Dr. Luke Grocholl1, Rabbi Gershon Segal

1Dr. Luke Grocholl, Quality Assurance Supervisor, Sigma-Aldrich Flavors & Fragrances
Keywords: Fermentation, Food & Beverage, Safety industry

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Flavors and Fragrances Quality and Regulatory

From a comprehensive vendor approval process, to the testing of raw material at receipt as well as when product is ready to be shipped; we prove our dedication to supply chain transparency, every day.
Keywords: Allergens, Food Safety, Solvents

Peer-Reviewed Papers


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