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DL-Malic acid

Name: DL-Malic acid
Brand: MM

for biochemistry

Synonym(s):

DL-Malic acid, DL-Hydroxysuccinic acid, Hydroxybutanedioic acid

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About This Item

Empirical Formula (Hill Notation):

C₄H₆O₅

CAS Number:

6915-15-7

Molecular Weight:

134.09

UNSPSC Code:

12352106

EC Index Number:

230-022-8

NACRES:

NA.21

MDL number:

MFCD00064212

Assay:

≥99.5% (acidimetric)

Form:

solid

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Properties

Quality Segment

100

assay

≥99.5% (acidimetric)

form

solid

autoignition temp.

349 °C

potency

>3200 mg/kg LD₅₀, oral (Rat)

pH

2.3 (20 °C, 10 g/L in H₂O)

mp

128-132 °C

transition temp

flash point 203 °C

density

1.60 g/cm³ at 20 °C

bulk density

800 kg/m³

storage temp.

2-30°C

SMILES string

[O-]C(=O)C(O)CC(=O)[O-].[H+].[H+]

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

Description

Analysis Note

Assay (acidimetric): ≥ 99.5 %
Identity (IR-spectrum): passes test
Melting point: 128 - 132 °C
Optical rotation (20 %; water): -0.1 - 0.1 °
Fe (Iron): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Related substances (HPLC) (Impurity A (fumaric acid)): ≤ 1.0 %
Related substances (HPLC) (Impurity B (maleic acid)): ≤ 0.05 %
Related substances (HPLC) (any other impurity): ≤ 0.1 %
Related substances (HPLC) (Sum of all other impurities): ≤ 0.5 %

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1 of 1

This Item	8.14737	27606	94916
Millipore 1.00382 DL-Malic acid	Sigma-Aldrich 8.14737 DL-Malic acid	Sigma-Aldrich 27606 DL-Malic acid	Supelco 94916 DL-Malic acid
assay ≥99.5% (acidimetric)	assay ≥99.0% (acidimetric)	assay 99-100.5% (alkalimetric)	assay -
Quality Level 100	Quality Level 200	Quality Level 200	Quality Level 100
storage temp. 2-30°C	storage temp. 2-30°C	storage temp. -	storage temp. 2-8°C
mp 128-132 °C	mp 128-132 °C	mp 129-133 °C, 131-133 °C (lit.)	mp 131-133 °C (lit.)
density 1.60 g/cm³ at 20 °C	density 1.60 g/cm³ at 20 °C	density -	density -
form solid	form solid	form solid	form -

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pictograms

GHS07

signalword

Warning

hcodes

H319

pcodes

P264 - P280 - P305 + P351 + P338 - P337 + P313

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

397.4 °F

flash_point_c

203 °C

Certificates of Analysis (COA)

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