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Specifications:
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | C₃H₆O₂ |
High-Purity Short Chain Carboxylic Acid for Laboratory, Industrial, and Food Research Applications
VWR Propionic Acid (CH₃CH₂COOH), also known as propanoic acid, is a ≥99.7% pure, ACS-grade carboxylic acid supplied in GPR RECTAPUR® quality, making it suitable for analytical, food-grade, and research-based applications. This high-quality chemical is a clear, colorless, water-miscible liquid with a strong, pungent odor and excellent chemical stability.
Propionic acid is widely used as a preservative, pH modifier, and intermediate in organic synthesis. It plays key roles in microbial fermentation studies, metabolic research, CO₂ capture materials development, and crystallography. Its purity and low impurity profile (carbonyl compounds ≤0.002%, heavy metals ≤0.001%) make it ideal for precision chemical and analytical workflows.
✅ Key Features & Benefits
- ≥99.7% Assay Purity – Ensures analytical consistency and reproducibility
- GPR RECTAPUR® Quality – High-purity grade ideal for sensitive lab work
- Low Impurity Profile – Carbonyls ≤0.002%, water ≤0.15%, heavy metals ≤0.001%
- Water-Miscible and Stable – Facilitates formulation and compatibility across applications
- Multifunctional Use – Preservative, metabolic research agent, and chemical intermediate
- Safe for Food-Related Research – May be used in applications involving food additives or microbiota studies
🧪 Applications
- Food Preservation Research – Effective antimicrobial agent in bakery and dairy applications
- Microbiota Metabolism Studies – Investigating SCFA production during fermentation
- CO₂ Capture Enhancement – Used to modify limestone for carbon sequestration
- Crystallography and Material Science – Forms monoclinic crystals for structural studies
- Organic Synthesis and Esterification – Intermediate in pharmaceuticals and polymer development
- Insulin Sensitivity and Immunological Studies – Explored in metabolic and immunosuppressive mechanisms
🔧 Technical Specifications
| Attribute | Details |
|---|---|
| Product Name | Propionic Acid |
| Grade | GPR RECTAPUR®, ACS Reagent Grade |
| Assay (Purity) | ≥99.7% |
| CAS Number | 79-09-4 |
| Molecular Formula | CH₃CH₂COOH |
| Molecular Weight | 74.08 g/mol |
| Form | Liquid |
| Appearance | Colorless liquid, APHA ≤20 |
| Odor | Strong, pungent |
| Boiling Point | 141°C (lit.) |
| Melting Point | −24 to −23°C (lit.) |
| Density | 0.993 g/mL at 25°C |
| Vapor Pressure | 2.4 mmHg (20°C) |
| Vapor Density | 2.55 (vs air) |
| Solubility | Miscible in water |
| Autoignition Temperature | 955°F |
| Explosive Limits | 12.1% |
| Heavy Metals (as Pb) | ≤0.001% |
| Carbonyl Compounds | ≤0.002% |
| Readily Oxidizable Substances | ≤0.10% |
| Water Content | ≤0.15% |
| Residue After Evaporation | ≤0.01% |
| Refractive Index (n20/D) | 1.386 (lit.) |
| Functional Group | Carboxylic acid |
| Storage Conditions | Store in a cool, dry, well-ventilated area |
| Safety Classification | Corrosive – Handle with gloves and eye protection |
| SMILES | CCC(O)=O |
| InChI | 1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5) |
| InChI Key | XBDQKXXYIPTUBI-UHFFFAOYSA-N |
🧬 Biological & Industrial Relevance
- End-product of microbial fermentation in the human gut
- Produced industrially via hydrocarboxylation of ethylene
- Investigated for food intake regulation, lipid metabolism, and insulin sensitivity
- Applicable in green chemistry and carbon capture workflows
VWR Propionic Acid ≥99.7%, GPR RECTAPUR® Grade is a versatile, high-purity reagent for use in food safety research, microbiome metabolism studies, carbon capture technologies, and chemical synthesis. Its exceptional purity, low impurity content, and multi-functional properties make it a reliable and cost-effective solution for researchers and manufacturers seeking precision, performance, and safety in their workflows.
- Pack Size: 2.5L 25 Liters 100 mL 500 mL 1 LIter