METHYL 2-METHYLPROPIONATE
Methyl isobutyrate
CAS: 547-63-7
Molecular Formula: C5H10O2
METHYL 2-METHYLPROPIONATE - Names and Identifiers
METHYL 2-METHYLPROPIONATE - Physico-chemical Properties
| Molecular Formula | C5H10O2 |
| Molar Mass | 102.13 |
| Density | 0.891 g/mL at 25 °C (lit.) |
| Melting Point | -85--84 °C |
| Boling Point | 90 °C (lit.) |
| Flash Point | 38°F |
| JECFA Number | 185 |
| Water Solubility | slightly soluble |
| Solubility | alcohol: miscible |
| Appearance | Liquid |
| Color | Clear colorless |
| Merck | 14,6088 |
| BRN | 1740720 |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.384(lit.) |
| Physical and Chemical Properties | Colorless and flowable liquid, apple, pineapple like fruit flavor, apricot like sweet taste. Melting Point -85 °c, boiling point 90 °c. Slightly soluble in water, miscible in commonly used organic solvents. Flash point 12 ℃, flammable. Natural products are present in strawberries and the like. |
METHYL 2-METHYLPROPIONATE - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R20 - Harmful by inhalation R2017/11/20 - |
| Safety Description | S16 - Keep away from sources of ignition. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1237 3/PG 2 |
| WGK Germany | 3 |
| RTECS | NQ5425000 |
| TSCA | Yes |
| HS Code | 29156000 |
| Hazard Class | 3 |
| Packing Group | II |
METHYL 2-METHYLPROPIONATE - Reference Information
| FEMA | 2694 | METHYL ISOBUTYRATE |
| olfactory threshold (Odor Threshold) | 0.0019ppm |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| content analysis | determined by non-polar column method in gas chromatography (GT-10-4). |
| toxicity | can be safely used in food (FDA, 172.515,2000). |
| usage limit | FEMA(mg/kg): soft drink 22; Cold drink 38; Candy 48~200; Baked products 48~200. |
| use | GB 2760-1996 specified as allowed food spices. Solvent. Organic synthesis. Standard for analysis by gas chromatography. |
| production method | is directly esterified by methanol and isobutyric acid. |
| category | flammable liquid |
| toxicity classification | low toxicity |
| acute toxicity | inhalation-mouse LC50: 25500 mg/m3/2 h |
| flammability hazard characteristics | flammability in case of open flame, high temperature and oxidant; Combustion produces stimulating smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants and acids |
| fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
| occupational standard | STEL 10 mg/m3 |
Last Update：2024-04-09 15:16:46
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