Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) 99,0-100,5 USP, Ph. Eur.
Supplier: VWR Chemicals
Certificates
About this item
Synonyms: 2-Amino-2-(hydroxymethyl)propane-1,3-diol(tris), Tromethamine, Tris(hydroxymethyl)methylamine, 2-Amino-2-(hydroxymethyl)propane-1,3-diol, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, Trizma(R) base, TRIS base, THAM
:77-86-1
:
:NH₂C(CH₂OH)₃
:MFCD00004679
:357
:169…172 °C
:1.328 g/cm³ (20 °C)
:121.14 g/mol
:13,09842
:201-064-4
:GHS07
:Ambient
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance:Conforms (see CoA/CoS)
- Heavy metals (as Pb):Max. 10 ppm
- Residual solvents Class 2 (ICH Q3C) ::Passes test USP
- Methanol:Below option 1 limit
- Other residual solvents(Ph.Eur./ICH):Unlikely by manuf.process
- Residues of metal catalysts or reagents:Unlikely by manuf.process
- As (Arsenic):Max. 2 ppm
- Cd (Cadmium):Max. 1 ppm
- Co (Cobalt):Max. 1 ppm
- Hg (Mercury):Max. 2 ppm
- Ni (Nickel):Max. 50 ppm
- Pb (Lead):Max. 3 ppm
- V (Vanadium):Max. 2 ppm
- Conforms to Ph.Eur./USP:Passes test
- Ph.Eur. specifications::Max. 0.1 %
- Assay (calculated on dried) [Ph.Eur.]:99.0 --> 100.5 %
- Identification B [Ph.Eur.]:168 --> 174 °C
- Identification C:Passes test Ph.Eur.
- Appearance of solution:Passes test Ph.Eur.
- pH (20°C; 5 %) [Ph.Eur.]:10.0 --> 11.5
- Related substances [Ph.Eur.]:Max. 1.0 %
- Cl (Chloride) [Ph.Eur.]:Max. 100 ppm
- Fe (Iron) [Ph.Eur.]:Max. 10 ppm
- Loss on drying (105°C) [Ph.Eur.]:Max. 0.5 %
- Sulphated ash [Ph.Eur.]:Max. 0.1 %
- Assay (calculated on dried basis) [USP]:99.0 --> 101.0 %
- Identification A:Passes test USP
- Identification B:Passes test USP
- Residue on ignition [USP]:Max. 0.1 %
- Melting range or temperature [USP]:168 --> 172 °C
- pH (5 %) [USP]:10.0 --> 11.5
- Loss on drying (105°C; 3 h) [USP]:Max. 1.0 %
Specification Test Results
Product Information
- Catalog #SeqPack typePkAvailabilityPrice
- 87020.2904024Plastic bottle for solids1 kg1 * 1 kg352,00 €
- 87020.3604114Plastic bucket5 kg1 * 5 kg899,00 €