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Imidazole, for molecular biology

- Synonyms: 1,3-Diazole, Glyoxaline, Iminazoler- C3H4N2r- M = 68,08 g/molr- CAS [288-32-4]r- EINECS-No.: 206-019-2r- Solub. in water: (20 ºC): 633 g/lr- Melting point: 90 - 91 ºCr- Boiling point: 256 ºCr- Flash pt. 145 ºCr- Ignition temp.: 480 ºCr- Vapour pressure: (20 ºC) 0,003 hPar- LD 50 (oral, rat): 220 mg/kgr- ADR: 8 C8 III UN 3263r- IMDG: 8 III UN 3263r- IATA/ICAO: 8 III UN 3263r- GHS-signal word: Dangerr- GHS-H sentences: H360D - H314 - H302r- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501ar- Tariff number: 2933 29 90 90r- Applications: analytical chemistry, in buffer solutions.rrSPECIFICATIONSrDNases, RNases, Proteases : non detectedrassay (titr. with HClO4) : min. 99,5 %rpH (0,5 M; H2O, 25ºC): 9,5 - 11,0rwater (K.F.): max. 0,2 %rchlorides (Cl): max. 0,005 %rsulfates (SO4): max. 0,005 %raluminium (Al): max. 0,0005 %rarsenic (As): max. 0,00001 %rcadmium (Cd): max. 0,0005 %riron (Fe): max. 0,0005 %rmanganese (Mn): max. 0,0005 %rlead (Pb): max. 0,0005 %rzinc (Zn): max. 0,0005 %rrA at 260 nm (1 cm/0,1 M in H2O): max. 0,1 AUrA at 280 nm (1 cm/0,1 M in H2O): max. 0,1 AUr