CAS 3739-30-8 (+-)-2-Hydroxy-2-methylbutyric acid (HCID 95433)

Overview

2-hydroxy-2-methylbutyric acid is a branched-chain fatty acid that is 2-methylbutyric acid substituted at C-2 by a hydroxy group. It has a role as a metabolite. It is a 2-hydroxy fatty acid and a branched-chain fatty acid. It is functionally related to a 2-methylbutyric acid.

Names & identifiers

Preferred name: (+-)-2-Hydroxy-2-methylbutyric acid
IUPAC: 2-hydroxy-2-methylbutanoic acid
English name: 2-Hydroxy-2-methylbutyric acid
Molecular formula: C5H10O3
Molecular weight: 118.13

Names & synonyms

2-Hydroxy-2-methylbutyric acid3739-30-8Butanoic acid, 2-hydroxy-2-methyl-CHEBI:68454(+-)-2-Hydroxy-2-methylbutyric acidRefChem:473083223-120-72-Hydroxy-2-methylbutanoic acidMFCD000044762-hydroxy-2-methyl-butanoic acid2-Hydroxy-2-methyl-n-butyric acid2-hydroxy-2-methyl-butyric acid

Show more names

DK7642-Hydroxy-2-methylbu2-hydroxy-2-methyl-butanoicaci2-Methyl-2-hydroxybutanoic acid2-Ethyl-2-hydroxypropionic acid2-Hydroxy-2-methylbutyricAcid>Butanoic acid, 2-hydroxy-2-methyl-

2-Hydroxy-2-Methyl Butyric acid2-hydroxy-2-methylbutanoicacid2-Hydroxy-2-methylbutanoate2-Methyl-2-hydroxybutyric acidEINECS 223-120-7alpha-Hydroxy-alpha-methylbutyric acidAI3-188832-Hydroxy-2-methylbutyrate

Database identifiers

CAS: 3739-30-8
PubChem CID: 95433
DTXSID: DTXSID70863265
ChEBI: CHEBI:68454
EC Number: 223-120-7
Nikkaji: J186D

Properties

Computed structural properties

XLogP: 0.3
Topological polar surface area: 57.5 Å²
Hydrogen bond donors: 2
Hydrogen bond acceptors: 3
Rotatable bonds: 2
Heavy atoms: 8
Formal charge: 0
Complexity: 99.8

Experimental & physicochemical properties

LipidsFatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Hydroxy fatty acids [FA0105]

Melting Point74 °C

Physical DescriptionSolid

Physicochemical properties

Melting point: 73 · 73-75 °C (lit.)
Boiling point: 109 °C · 109 °C / 9mmHg
Density: 1.144 · 1.144±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
solubility: Soluble in DMSO
form: powder to crystal
pka: 1 · pK1:3.991 (18°C)
color: White to Almost white
Water Solubility: within almost transparency
InChI: 1S/C5H10O3/c1-3-5(2,8)4(6)7/h8H,3H2,1-2H3,(H,6,7)
InChIKey: MBIQENSCDNJOIY-UHFFFAOYSA-N
SMILES: CCC(C)(O)C(O)=O
CAS DataBase Reference: 3739 · 3739-30-8(CAS DataBase Reference)
NIST Chemistry Reference: 2 · 2-Hydroxy-2-methylbutyric acid(3739-30-8)
UNSPSC Code: 12352100 · 12352100
NACRES: 22 · NA.22
Symbol(GHS): 7 · GHS07
Signal word: Warning
Hazard statements: 315 · H315-H319-H335
Precautionary statements: 261 · P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs: Respiratory system
PPE: 95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes: Xi
Risk Statements: 36 · 36/37/38
Safety Statements: 26 · 26-37/39
WGK Germany: 3 · 3
HS Code: 2918199890 · 2918199890
Storage Class: 11 · 11 - Combustible Solids
Hazard Classifications: 2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 41 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: Butanoic acid , 2-hydroxy-2-methyl-

Butanoic acid, 2-hydroxy-2-methyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Other Safety InformationEvaluation - Chemicals not considered for in depth evaluation - Not commercially active in Australia

Hazard Classes and CategoriesSkin Irrit. 2 (100%)

Safety data

PPE: dust mask type N95 (US), Eyeshields, Gloves
wgk: 3
hs_code: 2918199890
risk_code: 36/37/38
Signal word: Warning
Symbol(GHS): GHS07
hazard_code: Xi
safety_code: 26-37/39
Storage Class: 11 - Combustible Solids
target organs: Respiratory system
Hazard statements: H315-H319-H335
Hazard Classifications: Eye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338

Chemistry & industry

Pharmacology

Cellular LocationsExtracellular

Applications · 1 item

Uses2-Hydroxy-2-methylbutyric acid can be used as:A complexing agent in a new electrolytic system, applicable in the isotachophoretic lanthanide separation.An aldehyde surrogate to prepare pyrrolo[1,2-a]quinoxaline derivatives by reacting with 2-(1H-pyrrol-1-yl)aniline.A starting material to synthesize Cr(V) reagent named sodium bis(2-hydroxy-2-methylbutyrato)oxochromate(V) (Aldrich cat. no. ALD00006) applicable in the total synthesis of ()-taxuyunnanine D.