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5-Sulfosalicylic acid dihydrate, for analysis, ExpertQ®, ACS

- Synonyms: 3-Carboxy-4-hydrobenzenesulfonic acid, 2-Hydroxy-5-sulfobenzoic acid, Salicylsulfonic acidr- C7H6O6S·2H2Or- M = 254,22 g/molr- CAS [5965-83-3]r- EINECS-No.: 202-555-6r- Solub. in water: (20 ºC): freely solubler- Melting point: 120 ºCr- Flash pt. ~ 150 ºCr- LD 50 (oral, rat): 2450 mg/kg (anhydrous substance)r- ADR: 8 C4 III UN 3261r- IMDG: 8 III UN 3261r- IATA/ICAO: 8 III UN 3261r- 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 29 10 90r- Applications: synthesis of organic products, in lubricant compositions, indicator, analytical chemistry.rrSPECIFICATIONSrassay (acidimetric): 99 - 101 %ridentity (IR-spectrum): passes testrinsoluble in water: max. 0,005 %rchlorides (Cl): max. 0,001 %rsulfates (SO4): max. 0,02 % rcopper (Cu): max. 0,0003 %rheavy metals (as Pb): max. 0,002 %riron (Fe): max. 0,001 %rlead (Pb): max. 0,001 %rnickel (Ni): max. 0,001 %rsalicylic acid: max. 0,04 %rresidue on ignition: max. 0,1 %r