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重要文件

W262706

Sigma-Aldrich

乙酰丙酸

≥97%, FG

同義詞:

4-氧代戊酸, 4-酮正戊酸

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About This Item

線性公式:
CH3COCH2CH2COOH
CAS號碼:
分子量::
116.12
FEMA號碼:
2627
Beilstein:
506796
EC號碼:
歐洲委員會號碼:
23
MDL號碼:
分類程式碼代碼:
12164502
PubChem物質ID:
Flavis號碼:
8.023
NACRES:
NA.21
agency:
follows IFRA guidelines
meets purity specifications of JECFA

生物源

synthetic

品質等級

等級

FG
Fragrance grade
Halal
Kosher

agency

follows IFRA guidelines
meets purity specifications of JECFA

法律遵循

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 172.515

蒸汽壓力

1 mmHg ( 102 °C)

化驗

≥97%

bp

245-246 °C (lit.)

mp

30-33 °C (lit.)

密度

1.134 g/mL at 25 °C (lit.)

應用

flavors and fragrances

文件

see Safety & Documentation for available documents

食物過敏原

no known allergens

香料過敏原

no known allergens

感官的

caramel; creamy; acidic; sweet; vanilla

SMILES 字串

CC(=O)CCC(O)=O

InChI

1S/C5H8O3/c1-4(6)2-3-5(7)8/h2-3H2,1H3,(H,7,8)

InChI 密鑰

JOOXCMJARBKPKM-UHFFFAOYSA-N

尋找類似的產品? 前往 產品比較指南

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Sens. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 2

閃點(°F)

208.4 °F - closed cup

閃點(°C)

98 °C - closed cup

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析證明 (COA)

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Ronen Weingarten et al.
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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
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.
Huifang Ren et al.
Bioresource technology, 129, 616-619 (2013-01-23)
A highly selective approach to produce levulinic acid from cellulose was developed via microwave-assisted synthesis in SO3H-functionalized ionic liquids (SFILs). The effects of reaction conditions and ionic liquid structures on the yield of levulinic acid have been investigated, where the
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
Pierre Gallezot
Chemical Society reviews, 41(4), 1538-1558 (2011-09-13)
This critical review provides a survey illustrated by recent references of different strategies to achieve a sustainable conversion of biomass to bioproducts. Because of the huge number of chemical products that can be potentially manufactured, a selection of starting materials

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