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164976

Sigma-Aldrich

α-Hydroxyisobutyric acid

98%

Synonym(s):

alpha-Hydroxyisobutyric acid, 2-Hydroxy-2-methylpropionic acid, 2-Methyllactic acid

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About This Item

Linear Formula:
(CH3)2C(OH)COOH
CAS Number:
594-61-6
Molecular Weight:
104.10
Beilstein:
1744739
EC Number:
209-848-8
MDL number:
MFCD00004459
UNSPSC Code:
12352100
PubChem Substance ID:
24850110
NACRES:
NA.22

Assay

98%

form

solid

bp

84 °C/1.5 mmHg (lit.)

mp

76-80 °C (lit.)

solubility

water: soluble 10%, clear to very slightly hazy, colorless

SMILES string

CC(C)(O)C(O)=O

InChI

1S/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6)

InChI key

BWLBGMIXKSTLSX-UHFFFAOYSA-N

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General description

α-Hydroxyisobutyric acid (2-hydroxyisobutyric acid) is the building block for polymer synthesis. It forms complexes with Eu(III) and has been studied by time resolved fluorescence spectroscopy.

Application

α-Hydroxyisobutyric acid was used as background electrolyte for separation and detection of the metal ions by on-line cyclic voltammetry.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H315,H318,H335

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Nowadays a growing demand for green chemicals and cleantech solutions is motivating the industry to strive for biobased building blocks. We have identified the tertiary carbon atom-containing 2-hydroxyisobutyric acid (2-HIBA) as an interesting building block for polymer synthesis. Starting from
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