Propionic acid (Propanoic acid), CAS 79-09-4, UN 1848, is a colorless corrosive flammable aliphatic carboxylic acid with pungent odour, widely used as preservative, mould inhibitor and organic synthesis intermediate for feed, food, pesticide industry. TNJ Chemical is the leading manufacturer and exporter since from 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Product Name: Propionic acid
CAS No.: 79-09-4UN No.: 1848
EC No.: 201-176-3
Synonyms: Propanoic acid, Methylacetic acid, Ethylformic acid, Ethanecarboxylic acid
Molecular Formula: C₃H₆O₂Molecular Weight: 74.08
MDL: MFCD00002756
Chemphysical Properties
Appearance: Colorless clear oily liquid
Density: 0.993 g/mL @25°C
Melting Point: -23 °C
Boiling Point: 141 °C
Flash Point: 54 °C (closed cup)
Refractive Index: 1.386 @20°C
Solubility: Miscible with water, ethanol, ether and most organic solvents
Odor: Sharp, rancid characteristic odor
Quality Specification
| Item | Specification |
|---|---|
| Appearance | Colorless clear liquid |
| Assay (GC) | ≥99.5 % |
| Water | ≤0.15 % |
| Acid Value | 754~764 mgKOH/g |
| Colour (Pt-Co) | ≤20 |
| Evaporation residue | ≤0.01 % |
| Arsenic | ≤3 ppm |
| Lead | ≤2 ppm |
Use & Application
Feed & food industry: Antifungal preservative, inhibit mould growth for grain, feed silage and bakery products.Leather & textile: pH regulator, dyeing auxiliary and tanning agent.
Industrial additive: Used for metal surface treatment and latex processing.
Packing
200kg HDPE plastic drum; IBC 1000kg; ISO tank. Hazardous goods packing. Customized packing available.
Delivery & Storage
Hazardous class 8 (Corrosive), flammable liquid. Keep tightly sealed, stored in cool, dry, ventilated warehouse, separated from oxidizers, strong bases and food chemicals. Avoid heat source and open flame.
Shelf life: 12 months under proper storage.
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