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94916

Supelco

DL-Malic acid

analytical standard

Synonym(s):

(±)-2-Hydroxysuccinic acid, DL-Hydroxybutanedioic acid

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About This Item

Linear Formula:
HO2CCH2CH(OH)CO2H
CAS Number:
6915-15-7
Molecular Weight:
134.09
Beilstein:
1723539
EC Number:
230-022-8
MDL number:
MFCD00064212
UNSPSC Code:
85151701
PubChem Substance ID:
329770397

grade

analytical standard

Quality Level

100

vapor density

4.6 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

autoignition temp.

644 °F

shelf life

limited shelf life, expiry date on the label

concentration

95.0-105.0 wt. % (NaOH 0.1M, Titration)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

131-133 °C (lit.)

solubility

H2O: soluble 646.6 g/L at 20 °C

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

storage temp.

2-8°C

SMILES string

OC(CC(O)=O)C(O)=O

InChI

1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)

InChI key

BJEPYKJPYRNKOW-UHFFFAOYSA-N

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General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Find all available reference materials for compounds listed in 10/2011 here

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

397.4 °F

Flash Point(C)

203 °C

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Certificates of Analysis (COA)

Lot/Batch Number
BCCF5943
BCCC9788
BCBW2849
BCBR1101V
BCBL0732V

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Hugo Oliveira et al.
PloS one, 9(10), e108376-e108376 (2014-10-08)
Resistance rates are increasing among several problematic Gram-negative pathogens, a fact that has encouraged the development of new antimicrobial agents. This paper characterizes a Salmonella phage endolysin (Lys68) and demonstrates its potential antimicrobial effectiveness when combined with organic acids towards
M Taillefer et al.
Applied and environmental microbiology, 81(7), 2423-2432 (2015-01-27)
Clostridium thermocellum produces ethanol as one of its major end products from direct fermentation of cellulosic biomass. Therefore, it is viewed as an attractive model for the production of biofuels via consolidated bioprocessing. However, a better understanding of the metabolic
D Novoa-Díaz et al.
Ultrasonics, 54(6), 1575-1580 (2014-05-06)
The progress of malolactic fermentation in red wines has been monitored by using ultrasonic techniques. The evolution of ultrasonic velocity of a tone burst 1MHz longitudinal wave was measured, analyzed and compared to those parameters of oenological interest obtained simultaneously
Jie Chen et al.
BMC plant biology, 15, 28-28 (2015-02-04)
QTLs controlling individual sugars and acids (fructose, glucose, malic acid and tartaric acid) in grape berries have not yet been identified. The present study aimed to construct a high-density, high-quality genetic map of a winemaking grape cross with a complex
Hiroshi Kitagaki et al.
Journal of bioscience and bioengineering, 117(4), 383-393 (2013-11-12)
Mitochondria are sites of oxidative respiration. During sake brewing, sake yeasts are exposed to long periods of hypoxia; the structure, role, and metabolism of mitochondria of sake yeasts have not been studied in detail. It was first elucidated that the
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Protocols

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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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