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94425 Supelco

Propionic acid

analytical standard

Synonym: Acid C3, Propanoic acid, Propanyl acid

  • CAS Number 79-09-4

  • Linear Formula CH3CH2COOH

  • Molecular Weight 74.08

  •  Beilstein Registry Number 506071

  •  EC Number 201-176-3

  •  MDL number MFCD00002756

  •  eCl@ss 39021305

  •  PubChem Substance ID 329770339

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Properties

Related Categories Acid, Additional Standards, All Alphabetically Sorted, Alpha Sort, Analytical Standards,
grade   analytical standard
vapor density   2.55 (vs air)
vapor pressure   2.4 mmHg ( 20 °C)
InChI Key   XBDQKXXYIPTUBI-UHFFFAOYSA-N
assay   ≥99.8% (GC)
form   neat
autoignition temp.   955 °F
shelf life   limited shelf life, expiry date on the label
expl. lim.   12.1 %
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
refractive index   n20/D 1.386(lit.)
  n20/D 1.386
bp   141 °C(lit.)
mp   −24-−23 °C (lit.)
solubility   H2O: soluble
density   0.993 g/mL at 25 °C(lit.)
Featured Industry   Cosmetics, Personal Care, and Cleaning Products
Food and Beverages
format   neat

Description

Application

Propionic acid has been used as a standard for the gas chromatogrsphic (GC) analysis of short chain fatty acids obatined from Lactobacillus reuteri SK24.003 and α-D-glucan.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

Propionic acid (PA) is a naturally occurring carboxylic acid, which in its pure state exists as a colorless corrosive liquid with an unpleasant odor. It is miscible in water. Industrially it is produced by hydrocarboxylation of ethylene in presence nickel carbonyl as a catalyst. PA has been found to reduce food intake, lower the fatty acids content in plasma and liver, might improve tissue insulin sensitivity and exerts immunosuppressive actions. Propionic acid is an excellent raw material as it is stable, cheap and safe and can even be used as a food additive.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN3463 - class 3 - Propionic acid
WGK Germany 
1
RTECS 
UE5950000
Flash Point(F) 
129.2 °F
Flash Point(C) 
54 °C

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Protocols & Articles

Articles

GC Analysis of C2-C22 Free Fatty Acids on Nukol™

From our library of Articles, Sigma-Aldrich presents GC Analysis of C2-C22 Free Fatty Acids on Nukol™
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of C2-C7 Free Fatty Acids on Nukol™

From our library of Articles, Sigma-Aldrich presents GC Analysis of C2-C7 Free Fatty Acids on Nukol™
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography

GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 °Carbopack™ B AW)

From our library of Articles, Sigma-Aldrich presents GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 °Carbopack™ B AW)
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Solid phase microextractions

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Peer-Reviewed Papers
15

References

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