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L-Proline, Pharmpur®, Ph Eur, BP, USP

- Synonyms: 2-Pyrrolidine carboxylic acidr- C5H9NO2r- M = 115,13 g/molr- CAS [147-85-3]r- EINECS-No.: 205-702-2r- Solub. in water: (20 ºC): 1500 g/lr- Melting point: 220 - 222 ºCr- LD 50 (oral, rat): > 5110 mg/kgr- Tariff number: 2933 99 90 90r- Applications: in biochemistry, chromatography, synthesis of organic products, in pharma industry.rrSPECIFICATIONSrrdried sample) : 98,5 - 101,0 %rIdentification IR: passes testrIdentification TLC: passes testrappearance of solution: clear and colourlessrspecific rotation ([a] 20/D, c = 4, H2O): - 84,3 ° - - 86,0 ° rchlorides (Cl): max. 200 ppmrsulfates (SO4): max. 300 ppmrammonium (NH4): max. 0,02 % riron (Fe): max. 10 ppmrRelated substances:passes test rindividual impurity : max. 0,5 % rtotal : max. 2,0 %rninhydrin-positive substances: rany ninhydrin-positive substances: max. 0,2 %rtotal : max. 0,5 % rresidue on ignition: max. 0,1 % rloss on drying (105 ºC): max. 0,5 % rloss on drying (105 ºC, 3 h): max. 0,4 %r