Packs sizes (4)
Technical data
- Solubility:
- 800 g/L (H2O)
- Physical Description:
- Solid
- Product Code:
- 141940
- Product Name:
- Tris (USP, BP, Ph. Eur.) pure, pharma grade
- Specifications:
- Assay (titr., calc. on dried subst.): 99.0 - 100.5 %
Melting range: 168 - 172°C
Appearance of solution: passes test
Residue on ignition: max. 0.1 %
Identity: passes test
pH (5 %; H2O): 10.0 - 11.5
Heavy metals (as Pb): max. 0.001 %
Loss on drying (3 h; 105°C): max. 0.5 %
Related subst.: passes test
Residual solvents (Ph. Eur./USP): passes test
Insoluble matter in H2O: max. 0.025 %
Chloride: max. 0.003 %
Fe: max. 0.001 %
As: max. 0.0001 %
Elemental impurities (according to ICH Q3D):
Class 3 (Sb): max. 120 ppm
Class 3 (Mo): max. 25 ppm
Class 2B (Ru): max. 10 ppm
Class 2B (Se): max. 15 ppm
Class 2B (Os): max. 10 ppm
Class 2B (Pt): max. 10 ppm
Class 1 (Cd): max. 0.5 ppm
Class 2B (Rh): max. 10 ppm
Class 2A (Ni): max. 20 ppm
Class 2B (Pd): max. 10 ppm
Class 1 (As): max. 1 ppm
Class 1 (Hg): max. 1.5 ppm
Class 2B (Au): max. 10 ppm
Class 2A (V): max. 10 ppm
Class 2B (Ir): max. 10 ppm
Class 3 (Ba): max. 140 ppm
Class 3 (Li): max. 55 ppm
Class 1 (Pb): max. 0.5 ppm
Class 3 (Cu): max. 250 ppm
Class 3 (Sn): max. 600 ppm
Class 3 (Cr): max. 25 ppm
Class 2A (Co): max. 5 ppm
Class 2B (Tl): max. 2 ppm
Class 2B (Ag): max. 15 ppm
- WGK:
- 1
- Storage:
- RT
- EINECS:
- 201-064-4
- CS:
- 29221900