8.04812

Methylenesuccinic acid

for synthesis

• Synonym(s): Methylenesuccinic acid, Itaconic acid
• 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

Properties

• 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

Description

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

Safety Information

• Pictograms: 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