Molekula Butyric acid
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Specification & product details.
Butyric acid is a short-chain fatty acid used in pharmaceuticals, food additives, and chemical synthesis.
CAS number: 107-92-6
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Specifications
| Property | Value |
| Appearance | Colourless liquid |
| Odour | Powerful, penetrating, diffusive sour odour |
| Purity | >99% |
| Refractive Index (20ºC) | 1.3970 - 14010 |
| Specific gravity (20 ºC) | 0.9540 - 0.9650 |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Flash Point | 72 °C |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | Oily liquid |
| Odour | Unpleasant, rancid odor |
| Melting Point | -5.7 °C |
| Boiling Point | 163.7 °C |
| Density | 0.96 (relative, water = 1) |
| Water Solubility | 60 g/L at 25 °C |
| Solubility (other solvents) | Miscible with ethanol, ether; slightly soluble in carbon tetrachloride |
| Vapour Pressure | 1.65 mmHg at 25 °C |
| Refractive Index | 1.3991 |
| pKa | pKa = 4.82 (at 25 °C) |
| log P (octanol/water) | 0.79 |
Identification
| Property | Value |
| SKU | 90029719 |
| CAS Number | 107-92-6 |
| IUPAC Name | butanoic acid |
| EC Number | 203-532-3 |
| Molecular Formula | CH3CH2CH2COOH |
| Molecular Weight | 88.11 |
| Exact Mass | 88.0524 |
| SMILES | CCCC(=O)O |
| InChIKey | FERIUCNNQQJTOY-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6) |
| PubChem CID | 264 |
| UN Number | UN2820 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2915605000 |
| Tariff Code | 2915601990 |
Safety & GHS
Danger
- CorrosiveGHS05
- ToxicGHS06
- Serious Health HazardGHS08
Hazard statements
- H227Combustible liquid
- H290May be corrosive to metals
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H314 (sub cat. 1B)Causes severe skin burns and eye damage
- H371May cause damage to organs
Precautionary statements
- P210Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260Do not breathe dust/fume/gas/mist/vapours/spray
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P303+361IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313IF exposed or concerned: Get medical advice/attention
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Alternative names
1-Butyric acid; 1-propanecarboxylic acid; Butanic acid; butanoic acid; Buttersaeure; ethylacetic acid; Kyselina maselna; n-Butanoic acid; n-Butyric acid; propylformic acid
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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