Maleic acid, Pharmpur®, Ph Eur, BP

- Synonyms: cis-Butenedioic acid
- C4H4O4
- M = 116,07 g/mol
- CAS [110-16-7]
- EINECS-No.: 203-742-5
- Solub. in water: (25 ºC): 788 g/l
- Melting point: 133 ºC
- Boiling point: 135 ºC (decomposes)
- Flash pt. 127 ºC
- Vapour pressure: (20 ºC) < 0,1 hPa
- LD 50 (oral, rat): 708 mg/kg
- EC-Index-No.: 607-095-00-3
- ADR: 8 C4 II UN 3261
- IMDG: 8 II UN 3261
- IATA/ICAO: 8 II UN 3261
- GHS-signal word: Danger
- GHS-H sentences: H302 - H314 - H317 - H335 -
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P337+P313
- Tariff number: 2917 19 90 90
- Applications: synthesis of organic products, manufacturing of synthetic resins, for pharmaceutical use, manufacture of dyes, in pharma industry.

SPECIFICATIONS
assay (acidimetric, referred to dried sample): 99,0 - 101,0 %
pH (10 %, H2O): max. 2
Identification B (EP): passes test
Identification C (EP): passes test
appearance of solution : passes test
fumaric acid (TLC): max. 1,5 %
iron (Fe): max. 5 ppm
residue on ignition: max. 0,1 %
water (K.F.): max. 2,0 %