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HCID 876Erstellt: 25. Oktober 2026
(+-)-Methionine
Nsc118113 · Poly(Met) · polymethionine · POLY-L-METHIONINE · POLY-L-METHIONINE USP/EP/BP · 2-amino-4-methylsulfanylbutanoicaci
https://huagongshe.com/de/chemical/876
Identifikatoren & physikalische Daten
| CAS No. | 26062-47-5 |
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| Summenformel | C5H11NO2S |
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| Durchschnittliche Molmasse | 149,21 g/mol |
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| Monoisotopische Masse | 149,05104977 g/mol |
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| SMILES | CSCCC(N)C(=O)O |
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| InChIKey | FFEARJCKVFRZRR-UHFFFAOYSA-N |
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| PubChem CID | 876 |
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| ChEMBL | CHEMBL274119 |
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| ChEBI | CHEBI:16811 |
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| EC No. | 200-432-1 |
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| DTXSID | DTXSID9020821 |
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Chemische & physikalische Eigenschaften
| XLogP | -1,9 |
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| Polarare Oberfläche (TPSA) | 88,6 |
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| H-Brücken-Donoren | 2 |
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| H-Brücken-Akzeptoren | 4 |
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| Frei drehbare Bindungen | 4 |
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| Schwere Atome | 9 |
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| Formalladung | 0 |
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| Komplexität | 97 |
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| Dichte | Relative density (water = 1): 1.3 |
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| Löslichkeit | 32.7 mg/mL at 25 °CSolubility in water, g/100ml at 20 °C: 4.8Soluble in waterInsoluble in etherSoluble (in ethanol) |
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| Siedepunkt | 300.00 to 301.00 °C. @ 760.00 mm Hg |
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| Decomposition | 281 °C |
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| Schmelzpunkt | 281 °C |
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| Physical Description | Solid[Merck Index] Colorless or white solid[ICSC] White powder[Sigma-Aldrich MSDS]COLOURLESS CRYSTALS OR WHITE POWDER.White crystalline platelets or powderCharacteristic aroma |
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| Lagerbedingungen | -20°C |
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Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 99% (197 of 199) of all reports.Not ClassifiedReported as not meeting GHS hazard criteria by 197 of 199 companies (only 1% companies provided GHS information). For more detailed information, please visit ECHA C&L website.Aggregated GHS information provided per 199 reports by companies from 4 notifications to the ECHA C&L Inventory.Reported as not meeting GHS hazard criteria per 197 of 199 reports by companies.There are 2 notifications provided by 2 of 199 reports by companies with hazard statement code(s).Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. |
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| Regulatorische Informationen | Chemical: DL-MethionineCommission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)Methionine is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Methionine are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Methionine: Does not have an individual approval but may be used under an appropriate group standard |
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| Weitere Sicherheitsinformationen | IMAP assessments - DL-Methionine: Human health tier I assessmentIMAP assessments - DL-Methionine: Environment tier I assessment |
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| Brandgefahren | Gives off irritating or toxic fumes (or gases) in a fire. |
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| Gefahrenübersicht | Causes pigmented or nucleated red blood cells, changes in leukocyte counts, and changes in liver, bladder, and spleen weights in repeated-dose oral studies of rats[RTECS] No listed effects of short-term or long-term exposure[ICSC] Safe when used as a flavoring agent in food[JECFA] May cause irritation[Sigma-Aldrich MSDS] |
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| EPA Safer Chemical | Chemical: DL-MethionineGreen circle - The chemical has been verified to be of low concern based on experimental and modeled data. |
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| Chemical Dangers | Decomposes on heating. This produces toxic fumes of sulfur oxides and nitrous oxides. |
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| Hazard Classes and Categories | Not Classified |
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| Brandbekämpfung | Use water spray, powder, foam, carbon dioxide. |
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| Erste-Hilfe-Maßnahmen | Fresh air, rest.Rinse skin with plenty of water or shower.First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.Rinse mouth. |
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| Sichere Lagerung | Separated from strong oxidants. Well closed. |
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| Verschüttetes entsorgen | Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations. |
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| Eye Prevention | Wear safety spectacles. |
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| Ingestion Prevention | Do not eat, drink, or smoke during work. |
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| Inhalation Prevention | Use local exhaust. |
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| Expositionspfade | The substance can be absorbed into the body by ingestion. |
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