DL-蛋氨酸（CAS 59-51-8）：分子式 C5H11NO2S、分子量 149.21；类别 食品及饲料添加剂。
| CAS号 | 59-51-8 |
|---|---|
| 分子式 | C5H11NO2S |
| 分子量 | 149.21 |
| 熔点 | 281 °C |
| 沸点 | 300.00 to 301.00 °C. @ 760.00 mm Hg |
| LogP | -1.9 |
| 应用领域 | Enzymes and Enzyme Stabilizers、毛发 conditioning、皮肤调理剂、Antistatic |
| 类别 | 饲料添加剂 |
登记用途：Enzymes and Enzyme Stabilizers、毛发 conditioning、皮肤调理剂、Antistatic。
DL-蛋氨酸 是一种食品及饲料化合物，登记 CAS 号为 59-51-8，分子式 C5H11NO2S（分子量 149.21），归属于食品及饲料添加剂大类化工原料。
登记 CAS 号：59-51-8
其分子式 C5H11NO2S 由 5 个碳、11 个氢、1 个氮、2 个氧、1 个硫 组成。
别名/同义词：DL-蛋氨酸 · DL-Methionine
所属分类：食品及饲料添加剂
DL-蛋氨酸 的 CAS 登记号为 59-51-8。
分子式 C5H11NO2S，分子量 149.21。
别名/同义词：DL-蛋氨酸、DL-Methionine。
登记用途：Enzymes and Enzyme Stabilizers、毛发 conditioning、皮肤调理剂、Antistatic。
所属分类：饲料添加剂。
DL-蛋氨酸（CAS 59-51-8）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 59-51-8 |
|---|---|
| PubChem CID | 876 |
| Molecular formula | C5H11NO2S |
| Molecular weight | 149.05 g/mol |
| IUPAC name | 2-amino-4-methylsulfanylbutanoic acid |
| InChIKey | FFEARJCKVFRZRR-UHFFFAOYSA-N |
| UNII (FDA) | 73JWT2K6T3 |
| ChEBI ID | CHEBI:16811 |
| FEMA number | 3301 |
| JECFA number | 1424 |
| Molecular Weight | 149.21 |
|---|---|
| XLogP3 | -1.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 4 |
| Exact Mass | 149.05104977 |
| Monoisotopic Mass | 149.05104977 |
| Topological Polar Surface Area | 88.6 |
| Heavy Atom Count | 9 |
| Boiling Point | 300.00 to 301.00 °C. @ 760.00 mm Hg |
|---|---|
| Melting Point | 281 °C |
| Solubility | 32.7 mg/mL at 25 °C |
| Decomposition | 281 °C |
DL-METHIONINE; 59-51-8; Racemethionine; Acimetion; Lobamine; Urimeth; (+-)-Methionine; DL-Methioninum; Methionine, DL-; 2-amino-4-methylsulfanylbutanoic acid; 2-amino-4-(methylsulfanyl)butanoic acid; FEMA No. 3301; Methionine, amorphous; Methionine DL-; DL-2-Amino-4-(methylthio)-butyric acid; DTXSID9020821
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 99% (197 / 199) |
| GHS notification summary | 99% (197 / 199) |
|---|
This chemical does not meet GHS hazard criteria for 99% (197 of 199) of all reports.
Reported 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.
DL-Methionine is identified by CAS 59-51-8, molecular formula C5H11NO2S and molecular weight 149.05 g/mol. UNII 73JWT2K6T3; ChEBI 16811; InChIKey FFEARJCKVFRZRR-UHFFFAOYSA-N. Boiling Point: 300.00 to 301.00 °C. @ 760.00 mm Hg; Melting Point: 281 °C; Solubility: 32.7 mg/mL at 25 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: DL-Methionine