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Merck

94916

Supelco

DL-Malic acid

analytical standard

Sinónimos:

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

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About This Item

Fórmula lineal:
HO2CCH2CH(OH)CO2H
Número de CAS:
Peso molecular:
134.09
Beilstein/REAXYS Number:
1723539
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

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

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

397.4 °F

flash_point_c

203 °C


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PloS one, 9(10), e108376-e108376 (2014-10-08)
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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
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
Mark Mapstone et al.
Nature medicine, 20(4), 415-418 (2014-03-13)
Alzheimer's disease causes a progressive dementia that currently affects over 35 million individuals worldwide and is expected to affect 115 million by 2050 (ref. 1). There are no cures or disease-modifying therapies, and this may be due to our inability
Agnieszka Nawirska-Olszańska et al.
Food chemistry, 148, 415-419 (2013-11-23)
The aim of the research was to determine the composition of organic acids in fruit of different cultivars of three pumpkin species. The amount of acids immediately after fruit harvest and after 3 months of storage was compared. The content

Protocolos

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Science Slam panel: Leading gene therapy developers discuss commercialization challenges and the importance of robust process development plans.

Science Slam panel: Leading gene therapy developers discuss commercialization challenges and the importance of robust process development plans.

Science Slam panel: Leading gene therapy developers discuss commercialization challenges and the importance of robust process development plans.

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