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Tris-HCl, molecular biology grade

- Synonyms: Tris(hydroxymethyl)aminomethane hydrochloride
- C4H11NO3·HCl
- M = 157,60 g/mol
- CAS [1185-53-1]
- EINECS-No.: 214-684-5
- Solub. in water: (20 ºC): freely soluble
- Melting point: 150 ºC
- LD 50 (oral, rat): 5900 mg/kg (free substance)
- Tariff number: 2922 19 80 90
- Applications: analytical chemistry, for biology, in buffer solutions.

SPECIFICATIONS
assay (argentometric, on dried sample): min. 99 %

absorbance of an aqueous solution 10 % in a 1 cm cell at 260 nm : max. 0,05 AU
absorbance of an aqueous solution 10 % in a 1 cm cell at 280 nm : max. 0,05 AU
heavy metals (as Pb): max. 2 ppm
water (K.F.): max. 0,5 %
DNases, RNases, Proteases : non detected