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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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Protocolos

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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