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
Molecular Formula: C4H4O4
Molecular Weight: 116.07
Linear Structural Formula: HOOCCH=CHCOOH
MDL Number: MFCD00002700
Purity: >=98.0% (HPLC)
Melting Point: 298-300 C (subl.) (lit.)
Legal Information: phyproof is a registered trademark of PhytoLab GmbH & Co. KG