EMAIL THIS PAGE TO A FRIEND
W222208 Sigma-Aldrich

Isobutyric acid

≥99%, FCC, FG

Synonym: 2-Methylpropionic acid, Isobutanoic acid

  • CAS Number 79-31-2

  • Linear Formula (CH3)2CHCO2H

  • Molecular Weight 88.11

  •  FEMA Number 2222

  •  Beilstein/REAXYS Number 635770

  •  EC Number 201-195-7

  •  Council of Europe no. 6

  •  MDL number MFCD00002658

  •  PubChem Substance ID 24900936

  •  Flavis number 8.006

  •  NACRES NA.21

Purchase

Properties

Related Categories Alphabetical Listings, Certified Food Grade Products, Flavors and Fragrances, H-J, I-L,
Quality Level   400
biological source   synthetic
grade   FG
  Kosher
Agency/Method   meets purity specifications of JECFA
reg. compliance   EU Regulation 1334/2008 & 872/2012
  FCC
  FDA 21 CFR 172.515
vapor density   3.04 (vs air)
vapor pressure   1.5 mmHg ( 20 °C)
assay   ≥99%
autoignition temp.   824 °F
expl. lim.   10 %
refractive index   n20/D 1.393 (lit.)
bp   153-154 °C (lit.)
mp   −47 °C (lit.)
density   0.95 g/mL at 25 °C (lit.)
Documentation   see Safety & Documentation for available documents
Organoleptic   butter; acidic; rancid
food allergen   no known allergens
SMILES string   CC(C)C(O)=O
InChI   1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI key   KQNPFQTWMSNSAP-UHFFFAOYSA-N

Description

General description

Isobutyric acid is a volatile fatty acid that can be used as a flavoring agent. It occurs naturally in Ceratonia siliqua L. The gum obtained from the kernels of this species is used as a thickener in the food industry.

Packaging

1 kg in glass bottle

5, 10, 25 kg in composite drum

Biochem/physiol Actions

Odor at 10 ppm

Taste at 15 ppm

Other Notes

Natural occurrence: Roman chamomile, strawberry, dairy products.

Download our Flavors and Fragrances Catalog to view our entire product line.

Subscribe to our Newsletter to keep up to date on our latest Flavors and Fragrances offerings.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2529 8(3) / PGIII
WGK Germany 
WGK 1
RTECS 
NQ4375000
Flash Point(F) 
131.0 °F - closed cup
Flash Point(C) 
55 °C - closed cup
Protocols & Articles

Articles

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

Related Content

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
15

References

Related Products

related product

Product #

Description

Add to Cart

07475 Timestrip® Food

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?