CAS 79-09-4: Propionic acid

Description:Propionic acid, with the CAS number 79-09-4, is a colorless liquid organic compound characterized by its pungent odor and slightly acidic taste. It is a carboxylic acid with the molecular formula C3H6O2, featuring a three-carbon chain with a carboxyl functional group (-COOH) at one end. Propionic acid is soluble in water, ethanol, and ether, making it versatile in various applications. It has a boiling point of around 140 degrees Celsius and a melting point of approximately -20 degrees Celsius. This compound is commonly used as a preservative in food products due to its ability to inhibit mold and bacterial growth. Additionally, it serves as an intermediate in the production of various chemicals, including herbicides, plastics, and pharmaceuticals. Propionic acid is also naturally occurring, found in small amounts in the human gut and in certain fermented foods. Its safety profile is generally favorable, but it can cause irritation to the skin and eyes upon contact.

Formula:C₃H₆O₂

InChI:InChI=1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)

InChI key:InChIKey=XBDQKXXYIPTUBI-UHFFFAOYSA-N

SMILES:O=C(O)CC

Synonyms:
Acide propionique
Acido Propionico
Adofeed
Antischim B
Carboxyethane
E 280
Ethanecarboxylic acid
Ethylformic acid
Luprosil
Metacetonic acid
See more synonyms
Methylacetic acid
MonoProp
Natural Propionic Acid
Propanoic Acid
Propcorn
Propionic acid 99.0+ % (acidimetric) for analysis
Propionic acid solution
Propionsaeure
Propionsaure
Propkorn
Prozoin
Pseudoacetic acid
Toxi-Check
Un3463
Propionic acid

Found 16 products.

Product data	Purity	Price range	Estimated delivery
Propionic Acid REF: 3B-P0500CAS: 79-09-4	>99.0%(GC)(T)	27.00 €~31.00 €	Tue 22 Apr 25
Propionic acid, 99% REF: 02-L04210CAS: 79-09-4	99%	32.00 €~69.00 €	Wed 23 Apr 25
Propionic acid REF: 10-F098214CAS: 79-09-4	89.0%	50.00 €~65.00 €	Fri 25 Apr 25
Propionic Acid REF: 45-1572208CAS: 79-09-4	- - -	463.00 €	Mon 28 Apr 25
Propionic acid REF: 7W-GK9394CAS: 79-09-4	≥ 99.0%	22.00 €~53.00 €	Wed 30 Apr 25
Trianoic acid REF: 48-10-0300CAS: 79-09-4	>99%	19.00 €~75.00 €	Fri 02 May 25
Propionic acid, ACS reagent REF: AC-44723CAS: 79-09-4	- - -	To inquire	Fri 02 May 25
Propionic acid 1000 µg/mL in Acetonitrile REF: 04-A16493000AL-1000CAS: 79-09-4	- - -	To inquire	Fri 02 May 25
Isobutyric anhydride, 97% REF: AC-25778CAS: 64-19-7 79-09-4 97-72-3	97%	73.00 €~254.00 €	Fri 02 May 25
Propionic acid, 99%, pure REF: AC-14930CAS: 79-09-4	99%	41.00 €~258.00 €	Fri 02 May 25
Propionic acid REF: 04-C16493000CAS: 79-09-4	- - -	56.00 €	Fri 02 May 25
Propionic acid, 99+%, extra pure REF: AC-22013CAS: 79-09-4	99+%	88.00 €~150.00 €	Fri 02 May 25
Propionic Acid REF: TR-P786360CAS: 79-09-4	- - -	260.00 €~405.00 €	Fri 09 May 25
Propionic Acid extrapure AR, ACS, ExiPlus, Multi-Compendial, C3-99.5% (GC) REF: SR-42263CAS: 79-09-4	min. 99.5%	- - -	Discontinued product
Propionic Acid extrapure AR, C3-99.5% (GC) REF: SR-43883CAS: 79-09-4	min. 99.5%	- - -	Discontinued product
Propionic Acid extrapure, C3-99% (GC) REF: SR-12931CAS: 79-09-4	min. 99%	- - -	Discontinued product