Product Name

  • Name

    (S)-(-)-2-Bromo-3-methylbutyric acid

  • EINECS
  • CAS No. 26782-75-2
  • Article Data23
  • CAS DataBase
  • Density 1.513 g/cm3
  • Solubility
  • Melting Point 39-44 °C
  • Formula C5H9BrO2
  • Boiling Point 229.999 °C at 760 mmHg
  • Molecular Weight 181.029
  • Flash Point 88.917 °C
  • Transport Information UN 3261
  • Appearance
  • Safety 26-27-28-36/37/39-45
  • Risk Codes 20/21/22-34
  • Molecular Structure Molecular Structure of 26782-75-2 ((S)-(-)-2-Bromo-3-methylbutyric acid)
  • Hazard Symbols CorrosiveC
  • Synonyms (S)-(-)-2-Bromo-3-methylbutyric acid;Butanoicacid, 2-bromo-3-methyl-, (S)-;Butyric acid, 2-bromo-3-methyl-, (S)- (8CI);(-)-2-Bromo-3-methylbutyric acid;(S)-2-Bromo-3-methylbutanoic acid;(S)-2-Bromo-3-methylbutyric acid;(S)-2-Bromoisovaleric acid;
  • PSA 37.30000
  • LogP 1.49050

(S)-(-)-2-Bromo-3-methylbutyric acid Specification

This chemical is called Butanoic acid, 2-bromo-3-methyl-, (2S)-, and its CAS registry number is 26782-75-2. With the molecular formula of C5H9BrO2, its molecular weight is 181.03. Additionally, its product category is Chiral Compound.

Other characteristics of the Butanoic acid, 2-bromo-3-methyl-, (2S)- can be summarised as followings: (1)ACD/LogP: 1.73; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.74; (4)ACD/LogD (pH 7.4): -1.93; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 26.3 Å2; (13)Index of Refraction: 1.487; (14)Molar Refractivity: 34.42 cm3; (15)Molar Volume: 119.6 cm3; (16)Polarizability: 13.64×10-24cm3; (17)Surface Tension: 39.4 dyne/cm; (18)Density: 1.513 g/cm3; (19)Flash Point: 88.9 °C; (20)Enthalpy of Vaporization: 51.4 kJ/mol; (21)Boiling Point: 230 °C at 760 mmHg; (22)Vapour Pressure: 0.024 mmHg at 25°C.

Production method of this chemical: The Butanoic acid, 2-bromo-3-methyl-, (2S)- could be obtained by the reactant of L-valine. This reaction needs the reagent of H2O, and the solvent of NaNO2, HBr. The yield is 69 %.

Uses of this chemical: The Butanoic acid, 2-bromo-3-methyl-, (2S)- could react with cesium thiobenzoate, and obtain the (R)-2-(benzoylthio)-3-methylbutanoic acid. This reaction needs the solvent of dimethylformamide. The yield is 94 %. In addition, this reaction should be taken for 20 hours at the ambient temperature.

When you are using this chemical, please be cautious about it as the following: This chemical is harmful to eyes, respiratory system and skin. It causes burns. You should wear suitable protective clothing to avoid contacting with skin and eyes. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure: 
1.SMILES: Br[C@H](C(=O)O)C(C)C
2.InChI: InChI=1/C5H9BrO2/c1-3(2)4(6)5(7)8/h3-4H,1-2H3,(H,7,8)/t4-/m0/s1
3.InChIKey: UEBARDWJXBGYEJ-BYPYZUCNBF

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