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
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

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>