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166898

Sigma-Aldrich

3-Hydroxybutyric acid

95%

Synonyma:

(±)-3-Hydroxybutanoic acid, DL-β-Hydroxybutyric acid

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About This Item

Lineární vzorec:
CH3CH(OH)CH2COOH
Molekulová hmotnost:
104.10
Beilstein/REAXYS Number:
773861
EC Number:
206-099-9
MDL number:
MFCD00004546
UNSPSC Code:
12352100
PubChem Substance ID:
24850187
NACRES:
NA.22

Quality Level

100

assay

95%

refractive index

n20/D 1.443 (lit.)

bp

118-120 °C/2 mmHg (lit.)

solubility

ethanol: soluble 50 mg/mL, clear

density

1.126 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(O)CC(O)=O

InChI

1S/C4H8O3/c1-3(5)2-4(6)7/h3,5H,2H2,1H3,(H,6,7)

InChI key

WHBMMWSBFZVSSR-UHFFFAOYSA-N

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General description

3-Hydroxybutyric acid forms films of random copolymer with (R)-3-hydroxypentanoic acid, (R)-3-hydroxyhexanoic acid, 4-hydroxybutyric acid, 6-hydroxyhexanoic acid and (S,S)-lactide by the melt-crystallized method. It is an important intermediate for the fine chemical industry.

Application

3-Hydroxybutyric acid was used in enantioselective synthesis of D-(-)-3-hydroxybutyric acid by Escherichia coli.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

233.6 °F - closed cup

flash_point_c

112 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Osvědčení o analýze (COA)

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Silvia Brojanigo et al.
Polymers, 12(7) (2020-07-09)
Due to oil shortage and environmental problems, synthetic plastics have to be replaced by different biodegradable materials. A promising alternative could be polyhydroxyalkanoates (PHAs), and the low-cost abundant agricultural starchy by-products could be usefully converted into PHAs by properly selected
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Animal : an international journal of animal bioscience, 7(9), 1508-1516 (2013-04-20)
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Journal of neurochemistry, 125(1), 157-171 (2012-12-18)
Deficient energy metabolism and network hyperactivity are the early symptoms of Alzheimer's disease (AD). In this study, we show that administration of exogenous oxidative energy substrates (OES) corrects neuronal energy supply deficiency that reduces the amyloid-beta-induced abnormal neuronal activity in
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FEMS microbiology letters, 213(1), 59-65 (2002-07-20)
Wild-type bacteria including Escherichia coli normally do not produce extracellular D-(-)-3-hydroxybutyric acid (3HB). To produce extracellular chiral 3HB, a new pathway for synthesis of 3HB was constructed by simultaneous expression of genes of beta-ketothiolase (phbA), acetoacetyl-CoA reductase (phbB), phosphor-transbutyrylase (ptb)
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Chromatograms

suitable for GC

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