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L6661

Sigma-Aldrich

乳酸

meets USP testing specifications

别名:

DL-乳酸, 2-羟基丙酸

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About This Item

线性分子式:
CH3CH(OH)COOH
CAS号:
50-21-5
分子量:
90.08
Beilstein:
1209341
EC號碼:
200-018-0
MDL號碼:
MFCD00004520
分類程式碼代碼:
12352106
PubChem物質ID:
24896442
NACRES:
NA.25

agency

USP/NF
meets USP testing specifications

品質等級

200

化驗

88.0-92.0%

形狀

viscous liquid

折射率

n20/D 1.425 (lit.)

pH值

2

bp

122 °C/15 mmHg (lit.)

密度

1.209 g/mL at 25 °C (lit.)

正離子痕跡

heavy metals: ≤0.001%

應用

pharmaceutical (small molecule)

儲存溫度

room temp

SMILES 字串

CC(O)C(O)=O

InChI

1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)

InChI 密鑰

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

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相关类别

生化／生理作用

在动物体内，乳酸是增殖细胞和在诸如剧烈运动的厌氧条件下产生的代谢化合物。 乳酸可被氧化回丙酮酸或通过糖异生转化成葡萄糖。乳酸优先被几种哺乳动物物种中的神经元代谢并在早期脑发育期间代谢。

其他說明

乳酸浓缩液通常是乳酸盐和乳酸的混合物。 该溶液的浓度约为90%（w/w）。

象形圖

Corrosion
GHS05

訊號詞

Danger

危險聲明

H314

危險分類

Eye Dam. 1 - Skin Corr. 1C

安全危害

EUH071

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類（WGK）

WGK 1

閃點（°F）

235.4 °F - closed cup

閃點（°C）

113 °C - closed cup

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCN1811
MKCG0975
MKCG0977
MKCG0974
MKCD1075

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Conversion of biomass to 1, 2-propanediol by selective catalytic hydrogenation of lactic acid over silica-supported copper.
Cortright RD, et al.
Applied Catalysis. B, Environmental, 39(4), 353-359 (2002)
A literature review of poly (lactic acid).
Garlotta D.
Journal of Polymers and the Environment, 9(2), 63-84 (2001)
Kwon et al.
Enzyme and microbial technology, 26(2-4), 209-215 (2000-02-26)
Batch fermentation studies were performed to evaluate the potentials of a complex nitrogen source, soybean, as an alternative to yeast extract for the economical production of lactic acid by Lactobacillus rhamnosus. An enzyme-hydrolysate of soybean meal, Soytone, with an adequate
Paula Gaspar et al.
Biotechnology advances, 31(6), 764-788 (2013-04-10)
The lactic acid bacteria (LAB) are a functionally related group of low-GC Gram-positive bacteria known essentially for their roles in bioprocessing of foods and animal feeds. Due to extensive industrial use and enormous economical value, LAB have been intensively studied
Eileen F O' Shea et al.
Current opinion in biotechnology, 24(2), 130-134 (2013-01-23)
Lactic acid bacteria (LAB) produce a wide variety of antimicrobial peptides (bacteriocins) which contribute to the safety and preservation of fermented foods. This review discusses strategies that have been or could be employed to further enhance the commercial application of
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实验方案

HPLC Analysis of Lactic Acid Enantiomers on Astec CLC-L, Trace Level Detection

Separation of DL-Lactic acid, ~90% (T)

HPLC Analysis of Organic Acids Commonly Found in Wine and Beer on TSKgel® OApak-P and OApak-A

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

Chromatograms

application for HPLCapplication for HPLC

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