Tris-(hydroxymethyl)-aminomethane, buffer substance, for analysis, ExpertQ®, ACS, Reag. Ph Eur
- 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 - P264 - P305+P351+P338 - P321 - P332+P313 - P337+P313
- Tariff number: 2922 19 00
- 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
| Reference | Volume | ||
|---|---|---|---|
|
|
|
TR0423005P | x 5 kg |
|
|
|
TR04230100 | x 100 g |
|
|
|
TR04230250 | x 250 g |
|
|
|
TR04230500 | x 500 g |
|
|
|
TR04231000 | x 1 kg |
Connect:
Gato Pérez, 33. Pol. Ind. Mas d’en Cisa E08181 Sentmenat, Barcelona, España
T +34937456400F +34937152765
helpdesk@scharlab.com
Chemicals Microbiology Glassware, quartz and porcelain Chromatography Equipment Consumables Safety and hygiene