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Toluene-4-sulfonic acid monohydrate, EssentQ®

- Synonyms: PTSA monohydrate, 4-Methylbenzenesulfonic acid, PASAM, p-Toluenesulfonic acidr- C7H8O3S·H2Or- M = 190,22 g/molr- CAS [6192-52-5]r- EINECS-No.: 203-180-0r- Solub. in water: (20 ºC): ~ 750 g/lr- Melting point: 105 ºC (anhydrous substance)r- Flash pt. 180 ºCr- LD 50 (oral, rat): 2480 mg/kg (anhydrous substance)r- EC-Index-No.: 016-030-00-2r- ADR: 8 C4 III UN 2585r- IMDG: 8 III UN 2585r- IATA/ICAO: 8 III UN 2585r- GHS-signal word: Warningr- GHS-H sentences: H315 - H319 - H335r- GHS-P sentences: P261 - P280 - P305+P351+P338 - P321 - P405 - P501ar- Tariff number: 2904 10 00 90r- Applications: analytical chemistry, laboratory reagent, synthesis of organic products.rrSPECIFICATIONSrassay (acidimetric, on dried sample): min. 98 %ridentity (IR-spectrum): passes testrresidue on ignition: max. 0,2 %rwater (K.F.): 9,5 - 12 %r