methionol
3-Methylthiopropanol
CAS: 505-10-2
Molecular Formula: C4H10OS
methionol - Names and Identifiers
methionol - Physico-chemical Properties
| Molecular Formula | C4H10OS |
| Molar Mass | 106.19 |
| Density | 1.03g/mLat 25°C(lit.) |
| Melting Point | -100°C (estimate) |
| Boling Point | 89-90°C13mm Hg(lit.) |
| Flash Point | 195°F |
| JECFA Number | 461 |
| Solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.156mmHg at 25°C |
| Appearance | Colorless liquid |
| Specific Gravity | 1.03 |
| Color | Clear Colorless to Light Yellow |
| pKa | 14.87±0.10(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | n20/D 1.49(lit.) |
| MDL | MFCD00036560 |
| Physical and Chemical Properties | Light yellow easy flow liquid, low concentration has a strong fragrant meat or broth aroma and sweet taste. Boiling point 195 °c or 93~94 °c (2265.5). Slightly soluble in water, soluble in ethanol, propylene glycol and oils. Natural products are found in the volatile components of tomatoes, wine and soy sauce. |
| Use | Used as food flavor |
methionol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29309090 |
methionol - Reference Information
| FEMA | 3415 | 3-(METHYLTHIO)PROPANOL |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| use limit | FEMA(mg/kg): soft drink 0.05; Candy 0.1. |
| use | GB 2760-1996 specified as temporarily allowed food spices. This product has a strong smell of onion and meat, and the smell of soy sauce will appear when diluted. It is mainly used for sauce seasoning. Japan's "Food Additives Regulations" stipulates that as a food additive, the product shall not be used for other than flavoring purposes. 3-Methylmercapto-1-propanol can also be used for stinking liquefied gas, and the addition amount is based on ppm. Used as food essence |
| Production method | Under ultraviolet irradiation, allyl alcohol and methyl mercaptan are catalyzed by oxidation (oxidation with oxygen) to obtain 3-methylmercapto-1-propanol. |
Last Update：2024-04-09 20:44:15
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