This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG.
Synonyms: cis-Butenedioic acid; Toxilic acid
Molecular Formula: C4H4O4
Molecular Weight: 116.07
Linear Structural Formula: HO2CCH=CHCO2H
MDL Number: MFCD00063177
Purity: >=98.0% (HPLC)
Melting Point: 130-135 C (lit.)
Density: 1.59 g/mL at 25 C (lit.)
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