L(+)-Tartaric acid, for analysis, ExpertQ®, ACS, ISO, Reag. Ph Eur

- Synonyms: 2,3-Dihydroxybutanedioic acidr- C4H6O6r- M = 150,09 g/molr- CAS [87-69-4]r- EINECS-No.: 201-766-0r- Solub. in water: (20 ºC): solubler- Melting point: 170 ºCr- Ignition temp.: 425 ºCr- GHS-signal word: Dangerr- GHS-H sentences: H318 - r- GHS-P sentences: P280 - P305+P351+P338 - P310r- Tariff number: 2918 12 00 00r- Applications: in food industry, acidifying agent, photography, cosmetics, in porcelain industry, in the textile industry, in buffer solutions (for pharmaceutical use).rrSPECIFICATIONSrassay (acidimetric): min. 99,5 %rassay (acidimetric, on dried sample): 99,5 - 101,0 %ridentification: passes testrappearance of solution: passes testrinsoluble in water: max. 0,005 %rspecific rotation ([a]20°/D, c=20, H2O on dried sample): + 12,0 º - + 12,8 °rchlorides (Cl): max. 5 ppmrphosphates (as PO4): max. 0,001 %rsulfates (SO4): max. 150 ppmrcalcium (Ca): max. 0,002 %rcopper (Cu): max. 5 ppmrheavy metals (as Pb): max. 5 ppmriron (Fe): max. 5 ppmrlead (Pb): max. 5 ppmroxalic acid (C2H2O4): max. 360 ppmroxalates (C2O4): passes test: rsulphur compounds (as SO4): max. 0,002 %rresidue on ignition (EP): max. 0,1 %rresidue on ignition (ISO): max. 0,01 %rresidue on ignition (ACS): max. 0,02 %: rloss on drying (105 ºC): max. 0,2 %r