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Merck

W297003

Sigma-Aldrich

丙酮酸

≥97%, FG

别名:

α-酮丙酸, 2-氧代戊二酸

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About This Item

线性分子式:
CH3COCOOH
CAS号:
分子量:
88.06
FEMA號碼:
2970
Beilstein:
506211
EC號碼:
歐洲委員會號碼:
19
MDL號碼:
分類程式碼代碼:
12164502
eCl@ss:
39021320
PubChem物質ID:
Flavis號碼:
8.019
NACRES:
NA.21
感官的:
caramel; acidic; sour
等級:
FG
Fragrance grade
Kosher
生物源:
synthetic
agency:
follows IFRA guidelines
meets purity specifications of JECFA
食物過敏原:
no known allergens

生物源

synthetic

品質等級

等級

FG
Fragrance grade
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

化驗

≥97%

折射率

n20/D 1.428 (lit.)

bp

165 °C (lit.)

mp

11-12 °C (lit.)

密度

1.267 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; acidic; sour

儲存溫度

2-8°C

SMILES 字串

CC(=O)C(O)=O

InChI

1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6)

InChI 密鑰

LCTONWCANYUPML-UHFFFAOYSA-N

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一般說明

天然存在:芦笋、牛肉、清酒、弗吉尼亚烟草、小麦面包。
丙酮酸是洋葱组织在浸渍或切碎过程中,通过蒜酶将被称为S-烷(烯)基-L-半胱氨酸-亚砜的风味前体进行水解时所形成的关键组分。丙酮酸形成的量可用作洋葱刺激性的量度。

生化/生理作用

味觉阈值为 5ppm

象形圖

Corrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1 - Skin Corr. 1C

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

183.2 °F - closed cup

閃點(°C)

84 °C - closed cup

個人防護裝備

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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分析证书(COA)

Lot/Batch Number

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Development of an automated system for pyruvic acid analysis in onion breeding.
Yoo KS & Pike LM.
Sci. Hortic., 82(3), 193-201 (1999)
Onion flavor and odor, enzymatic development of pyruvic acid in onion as a measure of pungency.
Schwimmer S & Weston WJ
Journal of Agricultural and Food Chemistry, 9(4), 301-304 (1961)
A simplified pyruvic acid analysis suitable for onion breeding programs.
Yoo KS, et al.
Hortscience: a Publication of the American Society For Horticultural Science Hortscience, 30(6), 1306-1306 (1995)
Emilie A Bard-Chapeau et al.
Nature genetics, 46(1), 24-32 (2013-12-10)
The most common risk factor for developing hepatocellular carcinoma (HCC) is chronic infection with hepatitis B virus (HBV). To better understand the evolutionary forces driving HCC, we performed a near-saturating transposon mutagenesis screen in a mouse HBV model of HCC.
Robert A Jacobs et al.
American journal of physiology. Endocrinology and metabolism, 304(7), E686-E694 (2013-02-07)
Lactate is an important intermediate metabolite in human bioenergetics and is oxidized in many different tissues including the heart, brain, kidney, adipose tissue, liver, and skeletal muscle. The mechanism(s) explaining the metabolism of lactate in these tissues, however, remains unclear.

实验方案

Separation of Pyruvic acid, United States Pharmacopeia (USP) Reference Standard; Tartaric acid, United States Pharmacopeia (USP) Reference Standard; Citric acid, United States Pharmacopeia (USP) Reference Standard; Malic acid, United States Pharmacopeia (USP) Reference Standard; L-Pyroglutamic acid, ≥99.0% (T); Lactic acid, United States Pharmacopeia (USP) Reference Standard; Acetic acid, ≥99.99% trace metals basis; Succinic acid, United States Pharmacopeia (USP) Reference Standard

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