Leucine L-亮氨酸

CAS 61-90-5 MFCD00002617

化学结构图

61-90-5
SMILES: CC(C)C[C@H](N)C(=O)O

化学属性

Mol. FormulaC6H13NO2
Mol. Weight131.17
Melting Point>300 °C
Density1.035
TSCAYes
Solubility22.4 G/L (20 C)
Flash Point145-148°C
Appearance powder 属必需氨基酸,成人男子需要量2.2g/d(151本)。为婴儿正常生长及成人维持正常氮平衡所必需。 天然品存在于脾脏、心脏等中,并以蛋白质形式存在于各种动植物组织中,腐败分解后可游离而出。 白色有光泽六面体晶体或白色结晶性粉末。略有苦味(DL-亮氨酸呈甜味)。于145~148℃升华。熔点293~295℃(分解)。在烃类存在下,在无机酸水溶液中性能稳定。每g溶于约40ml水和约100ml醋酸。微溶于乙醇(0.07%),溶于稀盐酸和碱性氢氧化物和碳酸盐溶液。不溶于乙醚。
Boiling Point225.8°C at 760 mmHg

别名和识别编码

Chemical NameL-Leucine
Synonym L-Leucine {LY} L-Leucine Leucine Leucine, L Isomer Leucine, L-Isomer {} {LY} L-Leucine {} {} {LY} L-Leucine {} {} {} {LY} L-Leucine {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} L-Leucine {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
Beilstein Registry Number1721722
CAS Number61-90-5
EC Number200-522-0
MDL NumberMFCD00002617
PubChem Substance ID6106
Reaxys-RN1721722
Merck Number5451
Chemical Name TranslationL-亮氨酸
Wiswesser Line NotationQVYZ1Y1&1 -L
LabNetwork Molecule IDLN00193811
InChIInChI=1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
Canonical SMILESN[C@@H](CC(C)C)C(O)=O
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分类

  • {SNA} A-L, Additional Standards, Amino Acid Standards, Amino Acid, Peptide & Protein Standards, Amino Acids, Analytical Standards, Certified Reference Materials (CRMs), E numbers (Food Additives), E600–E699 (香味增强剂), E641, Flavor and Fragrance Standards, Fluka CRMs for Chromatography (neats), Food & Beverage Standards, Food and Cosmetic Component Standards, G-L, Organic CRMs Alphabetical, Organic CRMs TraceCERT,
  • {SNA} Alphabetical Listings, Certified Food Grade Products, Flavors and Fragrances, I-L,
  • {SNA} Analytical Standards, EP Standards, EP Standards L - M,
  • {S
  • {SNA} Amino Acids, Amino acids,
  • {SNA} Acacia,

产品应用

  • 生化研究。制备组织培养基。

相关文献及参考

  • Short: IV/20C
  • Short: IV/1a
  • Short: IV/8A
  • Short: IV/20B
  • Beilstein:4,437

安全信息

WGK Germany1
Signal word Warning
GHS Symbol
Safety Statements
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Precautionary statements
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECSOH2850000
Storage condition 2-8°C {LY} 2-8°C Store at RT. {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5379 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
   Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
   ABBIA4 Archives of Biochemistry and Biophysics.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.31-    1951-  Volume(issue)/page/year:
   58,253,1955

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2620 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEXPBL Archiv fuer Experimentelle Pathologie und Pharmakologie.  (Leipzig,
   Ger. Dem. Rep.)  V.1-109, 1873-1925.  For publisher information, see NSAPCC.
    Volume(issue)/page/year: 40,313,1898

TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 10 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 372,75,1996

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 138 gm/kg
SEX/DURATION            : female 5-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   JONUAI Journal of Nutrition.  (Subscription Dept., 9650 Rockville Pike,
   Bethesda, MD 20014) V.1-    1928-  Volume(issue)/page/year: 74,93,1961

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 90 mg/kg
SEX/DURATION            : female 1-6 day

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 90 mg/kg
SEX/DURATION            : female 1-6 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   NATWAY Naturwissenschaften.  (Springer-Verlag, Heidelberger Platz 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.1-    1913-  Volume(issue)/page/year:
   56,37,1969

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 90 mg/kg
SEX/DURATION            : female 1-6 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - body wall
REFERENCE :
   NATWAY Naturwissenschaften.  (Springer-Verlag, Heidelberger Platz 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.1-    1913-  Volume(issue)/page/year:
   56,37,1969

UN Number
Hazard Codes
Packing Group
Hazard statements

其他信息

  • 含量分析:精确称取预经105℃干燥2h后的试样约400mg,移入250ml烧瓶中。加甲酸3ml、冰醋酸50ml使之溶解。加2滴结晶紫试液(TS-74)后用0.1mol/L高氯酸滴定至蓝绿色终点。同时进行空白试验并作必要校正。每Ml 0.1mol/L高氯酸相当于L-亮氨酸(C6 H13 NO2)13.12mg。
  • 方法三:方法一、以血粉为原料 血粉[HCl(分解)]→[110℃, 24h]水解液[除酸]→[减压蒸馏]除酸液[活性炭(吸附脱色)]→流出液[浓缩]→[减压蒸馏]浓缩液[沉淀]→[邻二甲苯-4-磺酸]沉淀[氨水(游离)]→[过滤]亮氨酸粗品[活性炭(脱色)]→[70℃, 1h]滤液[浓缩结晶]→[减压蒸馏]L-亮氨酸粗品[水(洗涤干燥)→L-亮氨酸成品 水解、除酸 在1t水解罐中加入6mol/L的HCl溶液500L, 并投入100kg动物血粉, 加热保温110-12
  • 比旋光度:15.4 ° (c=4, 6N HCl)
  • {
  • MSDS 信息:L-Leu(61-90-5).msds
  • 方法一:蛋白质(干酪素、角蛋
  • 图谱信息:L-亮氨酸(61-90-5)核磁图( 13 CNMR) L-亮氨酸(61-90-5)红外图谱(IR1) L-亮氨酸(61-90-5)红外图谱(IR2) L-亮氨酸(61-90-5)质谱(MS)
  • 用途四:营养增补剂;调味增香剂。 配制氨基酸输液及综合氨基酸制剂,降血糖剂植物生长促进剂。 按我国GB 2760-96规定可用作香料。
  • 方法二:以干血红蛋白为原料于硫酸中回流数小时,碱中和沉淀、过滤、结晶,用浓盐酸和2-溴甲苯-5-磺酸钠处理,水解后乙醚洗涤、结晶得产品。
  • {Chemicalb
  • 下游产品:L-苯丙氨酸 --> N-乙酰基-L-亮氨酸 --> L-亮氨醇 --> 鲎试剂三肽
  • Alfa Aesar:L-亮氨酸,99% L-Leucine, 99%(61-90-5)
  • 几乎无臭,无味,加热到145-148℃时升华,293-295℃时分解。溶于水(25℃,24.26g/L)、乙酸(10.9g/L)、稀盐酸、氢氧化碱和碳酸盐溶液,微溶于醇(0.72g/L),不溶于乙醚。
  • 几乎无臭,无味,加热到145-148℃时升华,293-295℃时分解
  • 参考质量标准二:含量不少于98%,比旋光度[α] 20 D +14°-+16°,氯化物(以Cl计)含量小于0.02%,硫酸盐(以SO 2- 4 计)含量小于0.02%,氨含量小于0.02%,重金属(以Pb计)含量小于0.001%;纸层析合格。
  • {Ch
  • 食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称 允许使用该种添加剂的食品中文名称 添加剂功能 最大允许使用量(g/kg) 最大允许残留
  • 上游原料:盐酸 --> 硫酸 --> 氨 --> 碳酸氢铵 --> 活性炭 --> 稀硫酸 --> 浓盐酸 --> 蛋白质 --> 1,2-二甲苯 --> 酪朊酸 --> 磺酸钠 --> L-2-氨基-3-甲基戊酸 --> L-蛋氨酸 --> 2-萘磺酸 --> 血红蛋白 --> 2-溴甲苯 --> 苯丙氨酯 --> 亮氨酸 --> 角蛋白 --> 颗粒活性炭
  • 用途四:营养增补剂;调味增香剂。 配制氨基酸输液及综合氨基酸制剂,降血糖剂植物生长促进剂。
  • 食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称 允许使用该种添加剂的食品中文名称 添加剂功能 最大允许使用量(g/kg) 最大允许残留量(g/kg) l-亮氨酸 食品 食品用香料 用于配制香精的各香料成分不得超过在GB 2760中的最大允许使用量和最大允许残留量
  • {Chemical
  • 用途五:属必需氨基酸,成年男子需要量2.2g/d,为婴儿正
  • 人体必须的八种氨基酸之一:L-亮氨酸是人体必须的八种氨基酸之一,属于二十种蛋白质氨基酸内的脂肪族类氨基酸,与L-异亮氨酸和L-缬氨酸共称 三大支链氨基酸。与D-亮氨酸是对映异构体,室温下为白色有光泽六面体结晶或白色结晶性粉末。无
  • 所属类别一:食品添加剂: 营养强化剂(营养增补: 氨基酸

系列性分类