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Merck
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Key Documents

8.04812

Sigma-Aldrich

Methylenesuccinic acid

for synthesis

Synonym(s):

Methylenesuccinic acid, Itaconic acid

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About This Item

Linear Formula:
HOOCCH2C(=CH2)COOH
CAS Number:
97-65-4
Molecular Weight:
130.10
MDL number:
MFCD00004260
UNSPSC Code:
12352106
EC Index Number:
202-599-6
NACRES:
NA.22

vapor pressure

0.0000115 Pa ( 20 °C)

Quality Level

200

Assay

≥99.0% (HPLC)

autoignition temp.

430 °C

potency

>2000 mg/kg LD50, oral (Rat)

pH

2 (20 °C, 10 g/L in H2O)

mp

163-168.4 °C

solubility

77.49 g/L

density

0.949 g/cm3 at 25 °C

storage temp.

2-30°C

InChI

1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h1-2H2,(H,6,7)(H,8,9)

InChI key

LVHBHZANLOWSRM-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 163 °C
Melting range (upper value): ≤ 167 °C
Identity (IR): passes test

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H318

Precautionary Statements

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Certificates of Analysis (COA)

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