L-Methionine (CAS 63-68-3) — formula C5H11NO2S, molecular weight 149.05 g/mol; category food additives.
| CAS Number | 63-68-3 |
|---|---|
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.05 g/mol |
| Melting Point | 283 |
| Boiling Point | 181 °C (decomposes) |
| LogP | -1.87 |
| Packaging | 25/50kg 编织袋、20/25/50kg 纸板桶、200kg 塑料桶、1000kg IBC（以订单确认为准） |
| Applications | 典型应用领域：食品配料, 日化原料, 精细化工。规格, 纯度：以批次 COA 为准。包装：25, 50kg 编织袋, 20, 25, 50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 避光, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g, 贸易条款 FOB, CIF, CFR, 每批随附 COA, MSDS, SDS 按需。 |
| Category | Nutrition Enhancers |
Documented applications: 典型应用领域：食品配料, 日化原料, 精细化工。规格, 纯度：以批次 COA 为准。包装：25, 50kg 编织袋, 20, 25, 50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 避光, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g, 贸易条款 FOB, CIF, CFR, 每批随附 COA, MSDS, SDS 按需。.
L-Methionine is a food-grade compound with CAS registry number 63-68-3 and molecular formula C5H11NO2S (molecular weight 149.05 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 63-68-3
Its molecular formula C5H11NO2S comprises 5 C, 11 H, 1 N, 2 O, 1 S atoms.
Also known as: L-Methionine · L-蛋氨酸
Category: food additives
The CAS registry number of L-Methionine is 63-68-3.
Molecular formula C5H11NO2S, molecular weight 149.05 g/mol.
It is also registered under: L-Methionine, L-蛋氨酸.
Recorded applications: 典型应用领域：食品配料, 日化原料, 精细化工。规格, 纯度：以批次 COA 为准。包装：25, 50kg 编织袋, 20, 25, 50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 避光, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g, 贸易条款 FOB, CIF, CFR, 每批随附 COA, MSDS, SDS 按需。.
Category: Nutrition Enhancers.
Independent reference data for L-Methionine (CAS 63-68-3), compiled from public chemistry databases.
| CAS Registry Number | 63-68-3 |
|---|---|
| PubChem CID | 6137 |
| Molecular formula | C5H11NO2S |
| Molecular weight | 149.05 g/mol |
| IUPAC name | (2S)-2-amino-4-methylsulfanylbutanoic acid |
| InChIKey | FFEARJCKVFRZRR-BYPYZUCNSA-N |
| UNII (FDA) | AE28F7PNPL |
| ChEBI ID | CHEBI:16643 |
| ATC code (WHO) | V03AB26 |
| 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 | 181 °C (decomposes) |
|---|---|
| Melting Point | 283 |
| Melting Point | 284 °C |
| Solubility | 56600 |
| Solubility | In water, 56.6 g/L at 25 °C |
| Solubility | 56.6 mg/mL |
| Vapor Pressure | 0.00000052 [mmHg] |
| LogP | -1.87 |
| LogP | log Kow = -1.87 |
| Ionization Efficiency | 2.7 |
L-methionine; 63-68-3; methionine; h-Met-oh; (S)-2-Amino-4-(methylthio)butanoic acid; Cymethion; L-(-)-Methionine; S-Methionine; L-Methioninum; Neo-methidin; Methilanin; (S)-methionine; (L)-Methionine; metionina; Acimethin; L-Methionin
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT Flavoring Agents CIR / INCI: Cosmetic ingredients (Methionine) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Skin conditioning; Antistatic; Hair conditioning |
|---|---|
| GHS notification summary | 97.6% (206 / 211) |
| GHS notification summary | 97.6% (206 / 211) |
|---|
This chemical does not meet GHS hazard criteria for 97.6% (206 of 211) of all reports.
Reported as not meeting GHS hazard criteria by 206 of 211 companies (only 2.4% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
L-Methionine is identified by CAS 63-68-3, molecular formula C5H11NO2S and molecular weight 149.05 g/mol. UNII AE28F7PNPL; ChEBI 16643; InChIKey FFEARJCKVFRZRR-BYPYZUCNSA-N. Boiling Point: 181 °C (decomposes); Melting Point: 283; Melting Point: 284 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: L-蛋氨酸