Packs sizes (1)
Technical data
- Melting Point:
- 171 - 172 °C
- Boiling Point:
- 219 - 220 °C
- Solubility:
- water 550 g/l at 25 °C
- Physical Description:
- solid
- Product Code:
- 241940
- Product Name:
- Tris standard for volumetry, ACS
- Quality Name:
- standard for volumetry, ACS
- Headline Comment:
- Primary Chemical Matter
- Specifications:
- Uncertainty: See certificate
Traceability: NIST
Assay (Perchl. Ac.) (after drying at 105°C): 99.95-100.05%
Identity: IR passes test
pH sol. 0.05 mol/l: 10.2-10.6
Melting range: 169-171°C
Maximum limit of impurities
ABS λ 290 nm 40% sol. in water: 0.2
Insoluble matter in H2O: 0.005 %
Residue on ignition (as SO4): 0.01 %
Chloride (Cl): 0.0005%
Heavy metals (as Pb): 0.0005%
As: 0.00005 %
Ca: 0.001 %
Cd: 0.0001 %
Co: 0.0001 %
Cr: 0.0001 %
Cu: 0.0002 %
Fe: 0.0005 %
K: 0.001 %
Mg: 0.001 %
Na: 0.001 %
Ni: 0.0005
Pb: 0.0002 %
Zn: 0.0002 %
- WGK:
- 2
- Storage:
- Room Temperature.
- Master Name:
- Tris (Hydroxymethyl) Aminomethane
- Synonyms Long Text:
- 2-Amino-2-Hydroxymethyl-1,3-Propanediol, THAM, Tris, Trizma, Trometamol, Tromethamine, Tromethylol Aminomethane
- EINECS:
- 201-064-4
- CS:
- 29221900
