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Imidazole, for molecular biology

- Synonyms: 1,3-Diazole, Glyoxaline, Iminazole
- C3H4N2
- M = 68,08 g/mol
- CAS [288-32-4]
- EINECS-No.: 206-019-2
- Solub. in water: (20 ºC): 633 g/l
- Melting point: 90 - 91 ºC
- Boiling point: 256 ºC
- Flash pt. 145 ºC
- Ignition temp.: 480 ºC
- Vapour pressure: (20 ºC) 0,003 hPa
- LD 50 (oral, rat): 220 mg/kg
- ADR: 8 C8 III UN 3263
- IMDG: 8 III UN 3263
- IATA/ICAO: 8 III UN 3263
- GHS-signal word: Danger
- GHS-H sentences: H360D - H314 - H302
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2933 29 90 90
- Applications: analytical chemistry, in buffer solutions.

SPECIFICATIONS
DNases, RNases, Proteases : non detected
assay (titr. with HClO4) : min. 99,5 %
pH (0,5 M; H2O, 25ºC): 9,5 - 11,0
water (K.F.): max. 0,2 %
chlorides (Cl): max. 0,005 %
sulfates (SO4): max. 0,005 %
aluminium (Al): max. 0,0005 %
arsenic (As): max. 0,00001 %
cadmium (Cd): max. 0,0005 %
iron (Fe): max. 0,0005 %
manganese (Mn): max. 0,0005 %
lead (Pb): max. 0,0005 %
zinc (Zn): max. 0,0005 %

A at 260 nm (1 cm/0,1 M in H2O): max. 0,1 AU
A at 280 nm (1 cm/0,1 M in H2O): max. 0,1 AU