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L1250

Sigma-Aldrich

DL-Lactic acid

85 % (w/w), syrup

Sinônimo(s):

milk acid, 2-Hydroxypropionic acid

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About This Item

Fórmula linear:
CH3CH(OH)COOH
Número CAS:
50-21-5
Peso molecular:
90.08
Beilstein:
1209341
Número MDL:
MFCD00004520
Código UNSPSC:
12352201
ID de substância PubChem:
24896274
NACRES:
NA.25

Ensaio

≥85.0% (titration)

Nível de qualidade

200

forma

syrup

concentração

85 % (w/w)

índice de refração

n20/D 1.425 (lit.)

pKa (25 °C)

(1) 3.73, (2) 3.79 (L(+)-isomer)

pb

122 °C/15 mmHg (lit.)

densidade

1.209 g/mL at 25 °C (lit.)

temperatura de armazenamento

room temp

cadeia de caracteres SMILES

CC(O)C(O)=O

InChI

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

chave InChI

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

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Aplicação

Lactic acid is used as a reagent in organic synthesis (in the manufacture of adhesives). It is used in the leather, textile, and tanning industries. It may be used as a plasticizer, a catalyst, or an acidifying agent. Lactic acid has even been used as a flavoring agent in the manufacture of tobacco products.

Ações bioquímicas/fisiológicas

In animals, lactic acid is a metabolic compound produced by proliferating cells and during anaerobic conditions such as strenuous exercise. Lactic acid can be oxidized back to pyruvate or converted to glucose via gluconeogenesis. Lactic acid is preferentially metabolized by neurons in several mammal species and during early brain development.

Nota de preparo

This product is miscible with water (10% v/v).

Aplicação

Nº do produto
Descrição
Preços

Pictogramas

Corrosion
GHS05

Palavra indicadora

Danger

Frases de perigo

H314

Classificações de perigo

Eye Dam. 1 - Skin Corr. 1C

Perigos de suplementos

EUH071

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

235.4 °F - closed cup

Ponto de fulgor (°C)

113 °C - closed cup

Equipamento de proteção individual

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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L-(+)-Lactic acid solution meets analytical specification of Ph. Eur., BP, 88-92% total acid basis

Sigma-Aldrich

27714

L-(+)-Lactic acid solution

Ácido L-(+)-lático BioXtra, ≥98% (titration)

Sigma-Aldrich

L6402

Ácido L-(+)-lático

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
Jan Martinussen et al.
Current opinion in biotechnology, 24(2), 124-129 (2012-12-26)
The ability of lactic acid bacteria to produce lactic acid from various sugars plays an important role in food fermentations. Lactic acid is derived from pyruvate, the end product of glycolysis and thus a fast lactic acid production rate requires
Annabelle Olsson et al.
Journal of wildlife diseases, 49(3), 560-567 (2013-06-20)
Using a prospective, randomized study design we demonstrate that midazolam sedation minimizes acidosis compared with physical restraint in captive juvenile estuarine crocodiles during handling or noninvasive procedures at preferred body temperature. A dose of midazolam (5.0 mg/kg) was administered intramuscularly
Stephen Yiu Chuen Choi et al.
The Journal of pathology, 230(4), 350-355 (2013-06-05)
The common preference of cancers for lactic acid-generating metabolic energy pathways has led to proposals that their reprogrammed metabolism confers growth advantages such as decreased susceptibility to hypoxic stress. Recent observations, however, suggest that it generates a novel way for
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Chromatograms

application for HPLC

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