W372307
2-酮丁酸
≥95%, FG
别名:
2-酮丁酸, α-氧代丁酸, 丙酰甲酸
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关于此项目
线性分子式:
CH3CH2COCOOH
化学文摘社编号:
分子量:
102.09
Flavis number:
8.066
PubChem Substance ID:
UNSPSC Code:
12164502
FEMA Number:
3723
NACRES:
NA.21
EC Number:
209-986-9
MDL number:
Beilstein/REAXYS Number:
1700514
Organoleptic:
caramel; creamy; brown; sweet
Grade:
FG, Fragrance grade, Kosher
Biological source:
synthetic
Agency:
follows IFRA guidelines
Food allergen:
no known allergens
InChI key
TYEYBOSBBBHJIV-UHFFFAOYSA-N
InChI
1S/C4H6O3/c1-2-3(5)4(6)7/h2H2,1H3,(H,6,7)
SMILES string
CCC(=O)C(O)=O
biological source
synthetic
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
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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.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
存储类别
8A - Combustible corrosive hazardous materials
wgk
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
Review of thermally produced imitation meat flavors.
Wilson RA
Journal of Agricultural and Food Chemistry, 23(6), 1032-1037 (1975)
A Probable Flavoring Principle in Vegetable?Protein Hydrolysates.
Sulser H, et al.
Journal of Food Science, 32(6), 611-615 (1967)
K Yaegaki et al.
Journal of periodontology, 63(9), 783-789 (1992-09-01)
The amounts of volatile sulfur compounds (VSC) and methyl mercaptan/hydrogen sulfide ratio in mouth air from patients with periodontal involvement were 8 times greater than those of control subjects. Our studies demonstrated that, in patients with periodontal disease: 1) the
Shota Atsumi et al.
Applied and environmental microbiology, 74(24), 7802-7808 (2008-10-28)
Biofuels synthesized from renewable resources are of increasing interest because of global energy and environmental problems. We have previously demonstrated production of higher alcohols from Escherichia coli using a 2-keto acid-based pathway. Here, we took advantage of the growth phenotype
Bastian Blombach et al.
Applied and environmental microbiology, 75(2), 419-427 (2008-12-03)
The influence of acetohydroxy acid synthase (AHAS) on L-lysine production by Corynebacterium glutamicum was investigated. An AHAS with a deleted C-terminal domain in the regulatory subunit IlvN was engineered by truncating the ilvN gene. Compared to the wild-type AHAS, the
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