L-苏氨酸
L-苏氨酸(L-Threonine)
CAS: 72-19-5;6028-28-0
化学式: C4H9NO3
性质
白色结晶或结晶性粉末，无臭，味稍甜。易溶于水，难溶于乙醇等有机溶剂。化学性能较稳定。
制法
以巴豆酸或以甘氨酸为原料制得。也可以葡萄糖或淀粉为原料，经由大肠杆菌、黄色短杆菌、谷氨酸杆菌或钝齿棒杆菌为菌种经发酵精制得产品。
用途
作饲料营养强化剂，芬氨酸是一种必需的氨基酸。苏氨酸常添加到未成年仔猪和家禽的饲料中，是猪饲料的第二限制氨基酸和家禽饲料的第三限制氨基酸。添加于以小麦，大麦等谷物为主的饲料中。
安全性
- 成人一次滴注22. 5g时可引起发烧，头痛等不良反应。
- 遮光，密闭保存。
| 中文名 | L-苏氨酸 |
| 英文名 | L-Threonine |
| 别名 | 苏氨酸 L-苏氨酸 饲料级苏氨酸 L-羟基丁氨酸 L-苏氨酸标准品 苏氨酸 (THR) L-苏氨酸(饲料级) α-氨基-β-羟基丁酸 苏氨酸溶液 (THR) 2S,3R)-2-氨基-3-羟基丁酸 (2S,3R)-2-氨基-3-羟基丁酸 |
| 英文别名 | Thr L-THR H-THR-OH H-Thr-OH Threonine H-L-THR-OH L-Threonin L-Threonine L-THREONINE L(-)-THREONINE H-THR-OH-THREONINE (2S,3R)-(-)-Threonine L-Threonine, USP Grade L-Threonine, allo-Free 2-Amino-3-hydroxybutanoic acid L-2-Amino-3-hydroxybutyric acid L-2-AMINO-3-HYDROXYBUTYRIC ACID L-2-AMINO-3-HYDROXYBUTANOIC ACID (2S,3R)-2-Amino-3-hydroxybutyric acid 1-(4-fluorophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde semicarbazone |
| CAS | 72-19-5 6028-28-0 |
| EINECS | 200-774-1 |
| 化学式 | C4H9NO3 |
| 分子量 | 119.12 |
| InChI | InChI=1/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2?,3-/m0/s1 |
| InChIKey | AYFVYJQAPQTCCC-GBXIJSLDSA-N |
| 密度 | 1.3126 (rough estimate) |
| 熔点 | 256 °C (dec.) (lit.) |
| 沸点 | 222.38°C (rough estimate) |
| 比旋光度 | -28.4 º (c=6, H2O) |
| 闪点 | 162.936°C |
| 水溶性 | 90 g/L (20 ºC) |
| 蒸汽压 | 0mmHg at 25°C |
| JECFA Number | 2119 |
| 溶解度 | H2O: 50 mg/mL |
| 折射率 | -28 ° (C=6, H2O) |
| 酸度系数 | 2.09(at 25℃) |
| PH值 | 5-6 (100g/l, H2O, 20℃) |
| 存储条件 | 2-8°C |
| 稳定性 | 稳定。与强氧化剂不相容。 |
| 外观 | 粉末 |
| 颜色 | Yellow |
| Merck | 14,9380 |
| BRN | 1721646 |
| 物化性质 | 白色斜方晶系或结晶性粉末。无臭，味微甜 |
| MDL号 | MFCD00064270 |
| 危险品标志 | Xi - 刺激性物品 |
| 风险术语 | 36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
| 安全术语 | S24/25 - 避免与皮肤和眼睛接触。 S37/39 - 戴适当的手套和护目镜或面具。 S26 - 不慎与眼睛接触后，请立即用大量清水冲洗并征求医生意见。 |
| WGK Germany | 3 |
| RTECS | XO8590000 |
| TSCA | Yes |
| 海关编号 | 29225000 |
| Hazard Note | Irritant |
| 上游原料 | 氯乙酰氯 蛋白质 DL-苏氨酸 丝胶蛋白 丝心蛋白 |
| 下游产品 | 杂氮双环磷酸酯 盐酸赖氨酸 D-别苏氨酸 N-叔丁氧羰基-O-苄基-L-苏氨酸 |
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L-苏氨酸 - 性质
可信数据
白色结晶或结晶性粉末，无臭，味稍甜。易溶于水，难溶于乙醇等有机溶剂。化学性能较稳定。
最后更新：2024-01-02 23:10:35
L-苏氨酸 - 制法
可信数据
以巴豆酸或以甘氨酸为原料制得。也可以葡萄糖或淀粉为原料，经由大肠杆菌、黄色短杆菌、谷氨酸杆菌或钝齿棒杆菌为菌种经发酵精制得产品。
最后更新：2022-01-01 10:10:37
L-苏氨酸 - 用途
可信数据
作饲料营养强化剂，芬氨酸是一种必需的氨基酸。苏氨酸常添加到未成年仔猪和家禽的饲料中，是猪饲料的第二限制氨基酸和家禽饲料的第三限制氨基酸。添加于以小麦，大麦等谷物为主的饲料中。
最后更新：2022-01-01 10:10:38
L-苏氨酸 - 安全性
可信数据
- 成人一次滴注22. 5g时可引起发烧，头痛等不良反应。
- 遮光，密闭保存。
最后更新：2022-01-01 11:10:22
L-苏氨酸 - 简介
L-苏氨酸是一种天然氨基酸，也是人体蛋白质的组成部分之一。它是一种无色结晶粉末，可溶于水。
L-苏氨酸的制法通常是通过微生物发酵或化学合成得到的。微生物发酵法主要依靠某些细菌或酵母的代谢能力，通过对合适的底物进行培养和提取来产生L-苏氨酸。化学合成法则是通过化学方法合成L-苏氨酸。这些方法都可以得到高纯度的L-苏氨酸。
L-苏氨酸的制法通常是通过微生物发酵或化学合成得到的。微生物发酵法主要依靠某些细菌或酵母的代谢能力，通过对合适的底物进行培养和提取来产生L-苏氨酸。化学合成法则是通过化学方法合成L-苏氨酸。这些方法都可以得到高纯度的L-苏氨酸。
最后更新：2024-04-09 18:58:34
供应商列表
现货供应
产品名: L-赖氨酸杂质3（赖氨酸EP杂质C） 去供应商网站查看 询盘CAS: 72-19-5
产地: 中国-STD
包装: 支
规格: 10mg，25mg，50mg，100mg
价格: 电询
库存: 现货
电话: 0714-3999186
手机: 15671228036
电子邮件: 2853786052@qq.com
QQ: 2853786052
微信: 15671228036
产品描述: 91203L
提供多种规格现货供应
产品名: DL-苏氨酸半水合物 去供应商网站查看 询盘CAS: 6028-28-0
产地: 中国上海
包装: 25g
规格: 98%
价格: 449.00
库存: 现货
电话: 400-900-4166
手机: 18017137653
电子邮件: 3007523013@qq.com
QQ: 3007523013
微信: 18017137653
产品描述: 中文名：DL-苏氨酸半水合物 英文名:DL-Threonine hydrate CAS:6028-28-0 规格:98% 产地:中国上海
现货供应
产品名: L-赖氨酸杂质3（赖氨酸EP杂质C） 去供应商网站查看 询盘CAS: 72-19-5
产地: 中国-STD
包装: 支
规格: 10mg，25mg，50mg，100mg
价格: 电询
库存: 现货
电话: 0714-3999186
手机: 15671228036
电子邮件: 2853786052@qq.com
QQ: 2853786052
微信: 15671228036
产品描述: 91203L
提供多种规格现货供应
产品名: DL-苏氨酸半水合物 去供应商网站查看 询盘CAS: 6028-28-0
产地: 中国上海
包装: 25g
规格: 98%
价格: 449.00
库存: 现货
电话: 400-900-4166
手机: 18017137653
电子邮件: 3007523013@qq.com
QQ: 3007523013
微信: 18017137653
产品描述: 中文名：DL-苏氨酸半水合物 英文名:DL-Threonine hydrate CAS:6028-28-0 规格:98% 产地:中国上海
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