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Citric acid anhydrous, for analysis, ExpertQ®, ACS, Reag. Ph Eur

- Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid, b-Hydroxy tricarboxilic acidr- C6H8O7r- M = 192,13 g/molr- CAS [77-92-9]r- EINECS-No.: 201-069-1r- Solub. in water: (20 ºC): solubler- Melting point: ~ 153 ºC (decomposes)r- Flash pt. 93 ºCr- Ignition temp.: 345 ºCr- Vapour pressure: (20 ºC) < 0,1 hPar- LD 50 (oral, rat): 3000 mg/kgr- GHS-signal word: Warningr- GHS-H sentences: H319 - H335r- GHS-P sentences: P261 - P280 - P305+P351+P338 - P304+P340 - P405 - P501ar- Tariff number: 2918 14 00 00r- Applications: acidifying agent, analytical chemistry, laboratory reagent, in food industry, antioxidant.rrSPECIFICATIONSrassay (acidimetric): min. 99,5 %rassay (acidimetric, referred to dried sample): 99,5 - 100,5 %ridentity (IR-spectrum): passes testrappearance of solution: passes testrinsoluble in water: max. 0,005 %rchlorides (Cl): max. 0,001 %roxalates (C2O4): passes testrphosphates (as PO4): max. 0,001 %rsulfates (SO4): max. 150 ppmriron (Fe): max. 3 ppmrlead (Pb): max. 2 ppmrreadily carbonizable substances: passes testrsulphur compounds (as SO4): max. 0,002 %rresidue on ignition: max. 0,02 % rwater (K.F.): max. 1,0 %r