Tris(hydroksymetylo)aminometan (Trometamol) ExpertQ® do analizy, ACS, Reag. Ph Eur – SCHARLAU

POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU

PRODUCENT: SCHARLAB

Tris-(hydroxymethyl)-aminomethane,

THAM

– Synonyms: 2-Amino-2-(hydroxymethyl)-1,3-propanediol, Tromethamine, THAM, TRIS buffer
– C4H11NO3
– M = 121,14 g/mol
– CAS [77-86-1]
– EINECS-No.: 201-064-4
– Solub. in water: (20 ºC): 800 g/l
– Melting point: 172 – 173 ºC
– Boiling point: (13,3 hPa) 219 – 220 ºC
– LD 50 (oral, rat): 5900 mg/kg
– GHS-signal word: Warning
– GHS-H sentences: H315 – H319
– GHS-P sentences: P280 – P305+P351+P338 – P321 – P362 – P332+P313 – P337+P313
– Tariff number: 2922 19 85 90
– Applications: analytical chemistry, in buffer solutions, in biochemistry, laboratory reagent, in the pharmaceutics industry, emulsifier (cosmetics), for the synthesis of: tensoactives.

SPECIFICATIONS
assay (acidimetric, on dried sample): 99,8 – 100,1 %
assay (acidimetric, referred to dried sample): 99,0 – 100,5 %
identification: passes test
appearance of solution: clear
insoluble in water: max. 0,003 %
pH (5 %, H2O): 10,3 – 10,9
chlorides (Cl): max. 0,0005 %
sulfates (SO4): max. 0,0005 %
arsenic (As): max. 0,2 ppm
cadmium (Cd): max. 0,1 ppm
calcium (Ca): max. 1 ppm
copper (Cu): max. 0,1 ppm
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 5 ppm
lead (Pb): max. 0,1 ppm
magnesium (Mg): max. 0,3 ppm
potassium (K): max. 0,3 ppm
sodium (Na): max. 1 ppm
zinc (Zn): max. 0,1 ppm
related substances (TLC): passes test
loss on drying (105 ºC): max. 0,5 %
residue on ignition: max. 0,1 %
water (K.F.): max. 0,5 %

290 nm: max. 0,20 AU