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ChemicalBook > Product Catalogue >Biochemical Engineering >Amino Acids and proteins >DL-Leucine

DL-Leucine

DL-Leucine Structure
  • ₹3100 - ₹11210
  • Product name: DL-Leucine
  • CAS: 328-39-2
  • MF: C6H13NO2
  • MW: 131.17
  • EINECS:206-328-2
  • MDL Number:MFCD00063087
  • Synonyms:(R,S)-2-Amino-4-methyl-pentanoicacid ;2-Amino-4-methylvalericacid ;Leucine, DL-;A-AMINO-ISO-CAPROIC ACID;leucine,dl ;(+/-)-2-Amino-4-methylpentanoic acid~H-DL-Leu-OH;DL-LEUCINE, 99+%;DL-LEUCINE BIOSYNTH
3 prices
Selected condition:

Brand

  • TCI Chemicals (India)
  • Sigma-Aldrich(India)

Package

  • 25G
  • 50G
  • ManufacturerTCI Chemicals (India)
  • Product numberL0028
  • Product descriptionDL-Leucine
  • Packaging25G
  • Price₹3100
  • Updated2022-05-26
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product numberL7875
  • Product descriptionDL-Leucine ≥99% (HPLC)
  • Packaging25G
  • Price₹5315.08
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number8.14986
  • Product descriptionDL-Leucine for synthesis
  • Packaging50G
  • Price₹11210
  • Updated2022-06-14
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
TCI Chemicals (India) L0028 DL-Leucine 25G ₹3100 2022-05-26 Buy
Sigma-Aldrich(India) L7875 DL-Leucine ≥99% (HPLC) 25G ₹5315.08 2022-06-14 Buy
Sigma-Aldrich(India) 8.14986 DL-Leucine for synthesis 50G ₹11210 2022-06-14 Buy

Properties

Melting point :293-296 °C (subl.) (lit.)
Boiling point :225.8±23.0 °C(Predicted)
alpha :[α]D20 -3.0~+3.0゜ (c=4, HCl)
Density :1,293 g/cm3
refractive index :1.4630 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
solubility :1 M HCl: soluble
pka :pKa: 9.744(25°C)
form :Fine Crystalline Powder
color :White
Odor :wh. sm. cryst. or cryst. powd., odorless, sl. bitter taste
Water Solubility :soluble
Merck :14,5451
BRN :636005
Stability :Stable. Incompatible with strong oxidizing agents.
LogP :0.799 (est)
CAS DataBase Reference :328-39-2(CAS DataBase Reference)
NIST Chemistry Reference :DL-Leucine(328-39-2)
EPA Substance Registry System :Leucine (328-39-2)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

DL-Leucine is a racemic mixture of the D- and L- enantiomers of Leucine. DL-Leucine is used to form benzimidazole and pyrimidine hydroxy azo dyes with various transition metals. DL-Leucine may be used for the evaluation of chiral amino acid separation techniques.DL-Leucine is used for the following applications:Used as a standard for the measurement of free amino acidsUsed in the process of tritiated leucine uptakeUsed in solution preparation (various organics were used in different combinations and concentrations to model complex surface tension effects, DL-Leucine is one of them). It is chosen due to its presence in atmospheric aerosols and ice nucleation activity as well as for its surfactant character

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