O-Cresolphthalein Complexone 1GM | |||
10495SG001 | 284184308CS | ||
Indicator | 2841843 | ||
2411-89-4 | 52649 | ||
C32H32N2O12 | March 2019 | ||
636.62 | February 2024 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White to off white powder. | White to off white powder. |
2 | Solubility | Passes | Slightly soluble in water, ethanol. |
3 | Melting point | 184°C | 181-185°C |
4 | Absorption Lmax (in NaOH 0.1 mol/L) | 578nm. | 577-580nm. |
5 | Absorptivity(1%,1cm,Lmax, in NaOH 0.1mol/L) | 752nm | 750nm |
6 | Water | 3.2% | 10%max |
7 | Residue on ignition | 0.46% | 1%max |
8 | Clarity of solution | Passes | Passes test. |
9 | Sensitivity as complexometric indicator | Passes | Passes test. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |