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Merck

L1250

DL-Lactic acid

85 % (w/w), syrup

Sinónimos:

milk acid, 2-Hydroxypropionic acid

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Fórmula lineal:
CH3CH(OH)COOH
Número CAS:
50-21-5
Peso molecular:
90.08
UNSPSC Code:
12352201
NACRES:
NA.25
PubChem Substance ID:
24896274
MDL number:
MFCD00004520
Beilstein/REAXYS Number:
1209341
Assay:
≥85.0% (titration)
Concentration:
85 % (w/w)
Form:
syrup

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InChI

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

SMILES string

CC(O)C(O)=O

InChI key

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

assay

≥85.0% (titration)

form

syrup

concentration

85 % (w/w)

refractive index

n20/D 1.425 (lit.)

pKa (25 °C)

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

bp

122 °C/15 mmHg (lit.)

density

1.209 g/mL at 25 °C (lit.)

storage temp.

room temp

Quality Level

200

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Application

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.

Biochem/physiol Actions

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.

Preparation Note

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

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1C

supp_hazards

EUH071

Clase de almacenamiento

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
MKCZ8535
MKCV6064
MKCV7144
MKBV8151V
MKBV0898V

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Mohamed Ali Abdel-Rahman et al.
Biotechnology advances, 31(6), 877-902 (2013-04-30)
Fermentative production of optically pure lactic acid has roused interest among researchers in recent years due to its high potential for applications in a wide range of fields. More specifically, the sharp increase in manufacturing of biodegradable polylactic acid (PLA)
James Steele et al.
Current opinion in biotechnology, 24(2), 135-141 (2013-01-03)
It has been known since the 1960s that lactic acid bacteria are essential for the development of cheese flavor. In the ensuing 50 years significant research has been directed at understanding the microbiology, genetics and biochemistry of this process. This
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
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
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
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Product Information Sheet - L1250

Product Information Sheet

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