DL-leucine
Structural formula
| Business number | 0483 |
|---|---|
| Molecular formula | C6H13NO2 |
| Molecular weight | 131.17 |
| label |
DL-2-amino-4-methylpentanoic acid, DL-leucine, DL-leucine, H-DL-LEU-OH, DL-A-AMINO-G-METHYLVALERIC ACID, DL-A-AMINOISOCAPROIC ACID, DL-2-AMINO-4-METHYLPENTANOIC ACID, DL-2-AMINO-4-METHYLVALERIANIC ACID, DL-2-AMINO-4-METHYLVALERIC ACID, DL-LEUCINE, DL-LEU |
Numbering system
CAS number:328-39-2
MDL number:MFCD00063087
EINECS number:206-328-2
RTECS number:None
BRN number:636005
PubChem ID:None
Physical property data
一 , physical property data
Traits ：White crystal
Density (g/mL,25/4℃): 1.293
Relative Vapor density (g/mL, air=1)：Not available
Melting point (ºC): 290
Boiling point (ºC, normal pressure)��：Not available
Boiling point (ºC, 5.2kPa): Not available
Refraction Rate: Not available
Flash Point (ºC): Not available
Optical rotation (º): Not available
Spontaneous combustion Point or ignition temperature (ºC): Not available
Steam Pressure (kPa, 25ºC): Not available
saturated Vapor pressure (kPa, 60ºC): Not available
Burn Heat (KJ/mol):Not available
Critical Temperature (ºC): Not available
Critical Pressure (KPa): Not available
oil and water Log value of the (octanol/water) partition coefficient:Not available
Explosion Upper limit (%, V/V): Not available
Explosion Lower limit (%, V/V): Not available
Dissolve Sex: Solubility in water (g/ L):0℃When it is7.97,25 ℃times9.91,50℃Time is14.06,75 ℃When is22.76,100℃Times42.06. 90%Solubility in ethanol (g/L): 1.3. Insoluble in ether.
Toxicological data
Two , Toxicological data:
Acute Toxicity:Not available .
Ecological data
Three , Ecological data:
1 , Other harmfulEffect: This substance may be harmful to the environment, and special attention should be paid to water bodies.
Molecular structure data
1. Molar refractive index: 34.86
2. Molar volume (m3/mol）：126.6
3. isotonic specific volume (90.2K):316.4
4. Surface Tension (dyne/cm):39.0
5. Polarizability（10-24cm3):13.82
Compute chemical data
None yet
Properties and stability
None yet
Storage method
Should be sealed and stored in a cool, dry place.
Synthesis method
Will2-Br-4-Mix methylvaleric acid and concentrated ammonia and leave at room temperature7d, the crude product obtained by filtration is decolorized and refined to obtain the finished product. Yield43-45%.
Purpose
For biochemical research, nutritional supplements. SPAN>
None yet
Storage method
Should be sealed and stored in a cool, dry place.
Synthesis method
Will2-Br-4-Mix methylvaleric acid and concentrated ammonia and leave at room temperature7d, the crude product obtained by filtration is decolorized and refined to obtain the finished product. Yield43-45%.
Purpose
For biochemical research, nutritional supplements. SPAN>
