Product Name

  • Name

    DL-Valine

  • EINECS 208-220-0
  • CAS No. 516-06-3
  • Article Data66
  • CAS DataBase
  • Density 1.064 g/cm3
  • Solubility 68 g/L in water
  • Melting Point 283.5 - 285 °C
  • Formula C5H11NO2
  • Boiling Point 213.642 °C at 760 mmHg
  • Molecular Weight 117.148
  • Flash Point 83.008 °C
  • Transport Information
  • Appearance White crystalline powder
  • Safety 22-24/25-36
  • Risk Codes 40
  • Molecular Structure Molecular Structure of 516-06-3 (DL-Valine)
  • Hazard Symbols HarmfulXn
  • Synonyms Valine, DL- (8CI);(RS)-Valine;DL-Val;DL-a-Aminoisovaleric acid;NSC 9755;
  • PSA 63.32000
  • LogP 0.75460

DL-Valine Specification

The IUPAC name of DL-Valine is 2-amino-3-methylbutanoic acid. With the CAS registry number 516-06-3, it is also named as 2-Amino-3-methylbutyric acid, DL-. The product's categories are Valine [Val, V]; alpha-Amino Acids; Amino Acids; Biochemistry; Amino Acids. It is white crystalline powder which is soluble in water, insoluble in cold ethanol, ether and acetone. Additionally, this chemical should be sealed in the container, stored in the cool and dry place and avoided direct sunshine. Keep DL-Valine away from fire and heat.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 0.29; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 1; (6)ACD/KOC (pH 7.4): 1; (7)#H bond acceptors: 3; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 3; (10)Polar Surface Area: 63.32 Å2; (11)Index of Refraction: 1.461; (12)Molar Refractivity: 30.23 cm3; (13)Molar Volume: 110.126 cm3; (14)Polarizability: 11.984×10-24 cm3; (15)Surface Tension: 39.84 dyne/cm; (16)Enthalpy of Vaporization: 49.582 kJ/mol; (17)Vapour Pressure: 0.063 mmHg at 25°C; (18)Rotatable Bond Count: 2; (19)Exact Mass: 117.078979; (20)MonoIsotopic Mass: 117.078979; (21)Topological Polar Surface Area: 63.3; (22)Complexity: 90.4; (23)Undefined Atom StereoCenter Count: 1.

Preparation: Racemic valine can be obtained by bromination of isovaleric acid followed by amination of the α-bromo derivative.
HO2CCH2CH(CH3)2 + Br2 → HO2CCHBrCH(CH3)2 + HBr
HO2CCHBrCH(CH3)2 + 2 NH3 → HO2CCH(NH2)CH(CH3)2 + NH4Br
And it also can be produced by biosynthesis. It is synthesized in plants via several steps starting from pyruvic acid.

Uses of DL-Valine: It is used in biochemical research and pharmaceutical synthesis. It is also used as nutrient.

When you are using this chemical, please be cautious about it as the following:
It has limited evidence of a carcinogenic effect. So people should not breathe dust and avoid contact with skin and eyes. If you want to contact this product, you must wear suitable protective clothing.

People can use the following data to convert to the molecule structure.
1. SMILES:CC(C)C(C(=O)O)N
2. InChI:InChI=1/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)
3. InChIKey:KZSNJWFQEVHDMF-UHFFFAOYAP

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