Propionic acid (CAS 79-09-4) — formula C3H6O2, molecular weight 74.04 g/mol; category food additives.
Propionic acid (CAS 79-09-4) is a food additives. Its molecular formula C3H6O2 comprises 3 C, 6 H, 2 O atoms. Its molecular weight is about 74.04 g/mol. Reported physicochemical data: melting point around -6.7 °F (NTP, 1992), boiling point around 285.3 °F at 760 mmHg (NTP, 1992), LogP about 0.3. Food additives improve flavor, texture, color and shelf life of food, and must comply with relevant food-safety regulations and usage limits. Common in beverages, baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners, antioxidants or nutritional fortifiers. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 79-09-4 |
|---|---|
| Molecular Formula | C3H6O2 |
| Molecular Weight | 74.04 g/mol |
| Melting Point | -6.7 °F (NTP, 1992) |
| Boiling Point | 285.3 °F at 760 mmHg (NTP, 1992) |
| LogP | 0.3 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners |
| Category | Antioxidants |
Documented applications: baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners.
Propionic acid is a food-grade compound with CAS registry number 79-09-4 and molecular formula C3H6O2 (molecular weight 74.04 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 79-09-4
Its molecular formula C3H6O2 comprises 3 C, 6 H, 2 O atoms.
Also known as: Propionic acid · 丙酸
Category: food additives
The CAS registry number of Propionic acid is 79-09-4.
Molecular formula C3H6O2, molecular weight 74.04 g/mol.
It is also registered under: Propionic acid, 丙酸.
Recorded applications: baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners.
Category: Antioxidants.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Propionic acid (CAS 79-09-4), compiled from public chemistry databases.
| CAS Number | 79-09-4 |
|---|---|
| PubChem CID | 1032 |
| Molecular Formula | C3H6O2 |
| Molecular Weight | 74.04 g/mol |
| IUPAC Name | propanoic acid |
| InChIKey | XBDQKXXYIPTUBI-UHFFFAOYSA-N |
| UNII (FDA) | JHU490RVYR |
| Molecular Weight | 74.08 |
|---|---|
| XLogP3 | 0.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 74.036779430 |
| Monoisotopic Mass | 74.036779430 |
| Topological Polar Surface Area | 37.3 |
| Heavy Atom Count | 5 |
| Boiling Point | 285.3 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 141.1 |
| Boiling Point | 141.1 °C |
| Boiling Point | 141 °C |
| Boiling Point | 138.5-142.5 °C |
| Boiling Point | 286 °F |
| Boiling Point | 141.1 °C @760 [mm Hg] |
| Melting Point | -6.7 °F (NTP, 1992) |
| Melting Point | -20.7 |
| Melting Point | -21.5 °C |
propionic acid; Propanoic acid; 79-09-4; methylacetic acid; ethylformic acid; Carboxyethane; Metacetonic acid; Luprosil; Ethanecarboxylic acid; Pseudoacetic acid; Monoprop; Prozoin; Antischim B; Propionoic acid; Methyl acetic acid; Acide propionique
| GHS notifications | 100% (120 / 120) |
|---|
| GHS notifications | 100% (120 / 120) |
|---|---|
| Notified hazard statements | H314, H226 (20.3%), H318 (18.3%), H335 (16.9%), H311, H402, H303, H302 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 丙酸