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DL-Malic acid

Name: DL-Malic acid
Brand: MM

for synthesis

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.22

MDL number:

MFCD00064212

Assay:

≥99.0% (acidimetric)

Form:

solid

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Properties

Quality Segment

200

assay

≥99.0% (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

solubility

558 g/L

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

Application

Study on the inhibitory effect of DL‐malic acid on the phase structure and combustion characteristics of coal: This study examines the potential of DL-malic acid as an antioxidant inhibitor in the prevention of coal fires (Sun et al., 2024).

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 128 °C
Melting range (upper value): ≤ 132 °C
Identity (IR): passes test

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This Item	100382	100383	240176
Sigma-Aldrich 814737 DL-Malic acid	Millipore 100382 DL-Malic acid	SAFC 100383 DL-Malic acid	Sigma-Aldrich 240176 DL-Malic acid
description for synthesis	description for biochemistry	description EMPROVE^® ESSENTIAL, Ph. Eur., JPE, NF, FCC, E 296	description ReagentPlus^®, ≥99%
assay ≥99.0% (acidimetric)	assay ≥99.5% (acidimetric)	assay -	assay ≥99%
solubility 558 g/L	solubility -	solubility 558 g/L	solubility acetone: soluble 17.75g/100g at 20 °C(lit.), diethyl ether: soluble 0.84g/100g at 20 °C(lit.), dioxane: soluble 22.7 g/100g at 20 °C(lit.), ethanol: soluble 45.53g/100g at 20 °C(lit.), methanol: soluble 82.7 g/100g at 20 °C(lit.), water: soluble 55.8g/100g at 20 °C(lit.), benzene: insoluble(lit.)
Quality Level 200	Quality Level 100	Quality Level 500	Quality Level 200
density 1.60 g/cm³ at 20 °C	density 1.60 g/cm³ at 20 °C	density 1.60 g/cm³ at 20 °C	density -
form solid	form solid	form solid	form solid
mp 128-132 °C	mp 128-132 °C	mp 128-132 °C	mp 131-133 °C (lit.)

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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 3

flash_point_f

397.4 °F

flash_point_c

203 °C

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