CAS 79-09-4 Propionic acid, also known as propanoic acid, is an important organic carboxylic acid widely used in animal feed, food preservation, and chemical manufacturing.
Basic Chemical Information
- Chemical name: Propionic acid / Propanoic acid
- Chemical formula: C₃H₆O₂
- Molecular weight: 74.08 g/mol
- CAS number: 79-09-4
- Chemical class: Short-chain fatty acid, carboxylic acid
1. Acidity
Propionic acid is a weak organic acid with a carboxyl (-COOH) functional group.
pKa ≈ 4.87
Capable of lowering pH effectively
Responsible for strong antimicrobial and antifungal activity
Industry relevance:
This acidity makes propionic acid highly effective as a feed preservative and mold inhibitor.
2. Reactivity
Propionic acid shows typical reactions of carboxylic acids:
Reacts with bases to form propionate salts
Reacts with alcohols to form propionate esters
Can form acid chlorides and anhydrides
Commercial derivatives include:
Calcium propionate
Sodium propionate
Propionyl chloride
3. Solubility
Completely miscible with water
Soluble in alcohols and ethers
Practical advantage:
High solubility ensures uniform distribution in feed, silage, and liquid formulations.
Why Choose gneebio?
The customer comes first. We provide high-quality products at reasonable prices and ensure prompt shipment.
We can send the goods directly to your delivery address, which is relatively safe and fast. We have goods ready in stock.
We respond quickly and clearly to customers' questions. We provide a warm after-sales service and will help you solve any problems you encounter.
We deliver exceptional quality and service at competitive prices.
Contact Us:
Email: sales@gneebio.com
Website: https://www.gneebio.com/inquiry
Our company
Gneebio is a professional chemical raw materials supplier located in Henan Province, China. We have passed quality system certification and have self-managed import and export rights. Our products are popular with customers. As a leading global supplier, we deliver certified chemical raw materials that comply with REACH, RoHS, ISO and other international standards. Our robust monthly production capacity ensures consistent quality and a reliable supply for bulk orders.
