化工社化工社 化学情報印刷レポート · 研究参考用
HCID 876作成日：2026年10月26日
(+-)-Methionine
Nsc118113 · Poly(Met) · polymethionine · POLY-L-METHIONINE · POLY-L-METHIONINE USP/EP/BP · 2-amino-4-methylsulfanylbutanoicaci
https://huagongshe.com/ja/chemical/876
識別子と物理属性
| CAS No. | 26062-47-5 |
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| 分子式 | C5H11NO2S |
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| 平均分子量 | 149.21 g/mol |
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| 単同位体質量 | 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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化学・物理的性質
| XLogP | -1.9 |
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| 極性表面積 | 88.6 |
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| 水素結合供与体数 | 2 |
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| 水素結合受容体数 | 4 |
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| 回転可能結合数 | 4 |
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| 重原子数 | 9 |
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| 形式電荷 | 0 |
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| 複雑度 | 97 |
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| 密度 | Relative density (water = 1): 1.3 |
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| 溶解度 | 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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| 沸点 | 300.00 to 301.00 °C. @ 760.00 mm Hg |
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| Decomposition | 281 °C |
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| 融点 | 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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| 貯蔵条件 | -20°C |
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安全性と法規制
| GHS 分類 | 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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| 規制情報 | 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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| その他の安全情報 | IMAP assessments - DL-Methionine: Human health tier I assessmentIMAP assessments - DL-Methionine: Environment tier I assessment |
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| 火災危険 | Gives off irritating or toxic fumes (or gases) in a fire. |
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| 有害性の概要 | 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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| 消火 | Use water spray, powder, foam, carbon dioxide. |
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| 応急処置措置 | 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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| 安全保管 | Separated from strong oxidants. Well closed. |
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| 漏出処分 | 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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| 暴露経路 | The substance can be absorbed into the body by ingestion. |
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