- Synonyms: DL-Hydroxysuccinic acid, DL-Malater- C4H6O5r- M = 134.09 g/molr- CAS [6915-15-7]r- EINECS-No.: 230-022-8r- Solub. in water: (20 ºC): ~ 530 g/lr- Melting point: 127-130 ºCr- Boiling point: 150 ºC (decomposes)r- Flash pt. 203 ºCr- Ignition temp.: 349 ºCr- GHS-signal word: Warningr- GHS-H sentences: H315 - H319r- GHS-P sentences: P280 - P264 - P305+P351+P338 - P321 - P332+P313 - P337+P313r- Tariff number: 2918 19 80 20r- Applications: in biochemistry, for pharmaceutical use, synthesis of organic products, in pharma industry.rrSPECIFICATIONSrrdried sample): 99,0 - 100,5 %rIdentification IR: passes testrmelting point: 128 - 132ºCrappearance of solution: clear and colourlessrwater-insoluble substances: max. 0,1 %rspecific rotation ([a]25/D;c = 20, H2O)- 0,10° - + 0,10° rfumaric acid: max. 1,0 %rmaleic acid: max. 0,05 %rany other impurities: max. 0,1 % rtotal of other impurities: max. 0,05 %rresidue on ignition: max. 0,1 %rwater (K.F.): max. 2,0 %r