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Merck

W372307

Sigma-Aldrich

2-Oxobutyric acid

≥95%, FG

Sinónimos:

2-Ketobutyric acid, α-Ketobutyric acid, Propionylformic acid

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About This Item

Fórmula lineal:
CH3CH2COCOOH
Número de CAS:
Peso molecular:
102.09
FEMA Number:
3723
Beilstein/REAXYS Number:
1700514
EC Number:
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
8.066
NACRES:
NA.21
organoleptic:
caramel; creamy; brown; sweet
grade:
FG
Fragrance grade
Kosher
biological source:
synthetic
agency:
follows IFRA guidelines
food allergen:
no known allergens

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Kosher

agency

follows IFRA guidelines

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 872/2012

assay

≥95%

bp

84 °C/20 mmHg (lit.)

mp

30-34 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

caramel; creamy; brown; sweet

storage temp.

2-8°C

SMILES string

CCC(=O)C(O)=O

InChI

1S/C4H6O3/c1-2-3(5)4(6)7/h2H2,1H3,(H,6,7)

InChI key

TYEYBOSBBBHJIV-UHFFFAOYSA-N

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General description

2-Oxobutyric acid is mainly found in the hydrolysates of proteins, reportedly being formed by the degradation of threonine.

related product

Referencia del producto
Descripción
Precios

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

179.6 °F - closed cup

flash_point_c

82 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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A Probable Flavoring Principle in Vegetable?Protein Hydrolysates.
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Threonine deaminase (TD) catalyzes the conversion of Thr to alpha-keto butyrate in Ile biosynthesis; however, its dramatic upregulation in leaves after herbivore attack suggests a role in defense. In Nicotiana attenuata, strongly silenced TD transgenic plants were stunted, whereas mildly

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