W262706
乙酰丙酸
≥97%, FG
别名:
4-氧代戊酸, 4-酮正戊酸
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关于此项目
线性分子式:
CH3COCH2CH2COOH
化学文摘社编号:
分子量:
116.12
FEMA Number:
2627
Council of Europe no.:
23
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
8.023
EC Number:
204-649-2
NACRES:
NA.21
MDL number:
Beilstein/REAXYS Number:
506796
Organoleptic:
caramel; creamy; acidic; sweet; vanilla
Grade:
FG, Fragrance grade, Halal, Kosher
Biological source:
synthetic
Agency:
follows IFRA guidelines, meets purity specifications of JECFA
Food allergen:
no known allergens
SMILES string
CC(=O)CCC(O)=O
InChI
1S/C5H8O3/c1-4(6)2-3-5(7)8/h2-3H2,1H3,(H,7,8)
InChI key
JOOXCMJARBKPKM-UHFFFAOYSA-N
biological source
synthetic
grade
FG, Fragrance grade, Halal, Kosher
agency
follows IFRA guidelines, meets purity specifications of JECFA
reg. compliance
EU Regulation 1223/2009, EU Regulation 1334/2008 & 178/2002, FDA 21 CFR 172.515
vapor pressure
1 mmHg ( 102 °C)
assay
≥97%
bp
245-246 °C (lit.)
mp
30-33 °C (lit.)
density
1.134 g/mL at 25 °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; acidic; sweet; vanilla
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 2
flash_point_f
208.4 °F - closed cup
flash_point_c
98 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
Stijn Van de Vyver et al.
Chemical communications (Cambridge, England), 48(29), 3497-3499 (2012-03-02)
Acid-catalyzed condensation of levulinic acid and phenol into high yields of diphenolic acid (>50%) is possible with a combination of sulfonated hyperbranched polymers and thiol promotors, either added as a physical mixture or bound to the polymer by ion-pairing.
Richard D Ashby et al.
Bioresource technology, 118, 272-280 (2012-06-19)
Glycerine (a biodiesel co-product) and levulinic acid (a pulp and paper co-product) were used as co-substrates for the fermentative synthesis of short-chain polyhydroxyalkanoate (sc-PHA) biopolymers with tunable monomer and molecular weight characteristics. Pseudomonas oleovorans NRRL B-14682 utilized glycerine alone to
Conversion of hemicellulose to furfural and levulinic acid using biphasic reactors with alkylphenol solvents.
Elif I Gürbüz et al.
ChemSusChem, 5(2), 383-387 (2012-01-26)
Ronen Weingarten et al.
ChemSusChem, 5(7), 1280-1290 (2012-06-15)
We have developed a kinetic model for aqueous-phase production of levulinic acid from glucose using a homogeneous acid catalyst. The proposed model shows a good fit with experimental data collected in this study in a batch reactor. The model was
Maria Dyah Nur Meinita et al.
Bioprocess and biosystems engineering, 35(1-2), 93-98 (2011-09-13)
Red seaweed, Kappaphycus alvarezii, holds great promise for use in biofuel production due to its high carbohydrate content. In this study, we investigated the effect of fermentation inhibitors to the K. alvarezii hydrolysate on cell growth and ethanol fermentation. In
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