Indicators mixtures

Sudan III, ChDA Name: Sudan III CAS No. 85 - 86 - 9 EI kg Formula: C22H16ON4 Description: H, HCh does not happen! ! ! Packaging type: 2 - 1, 2 - 4 Group of packagings: I - IV

Name: Tropeolin 00 potassium salt EI kg Formula: C18H14N3KO3S Description: It is photosensitive. Potassium salt - the OO domestic tropeolin, import - sodium salt. Packaging type: 2t - 1, 2t - 4, 5t - 1, 5t - 2, 4t - 1 Group of packagings: I - III For receiving T. solution...

Name: Tropeolin 000 - I CAS No. 523 - 44 - 4 Formula: HOC10H6N=NC6H4SO3Na Storage: In the dark place. Packaging type: 2t - 1, 2t - 4, 5t - 1, 5t - 2, 4t - 1 Group of packagings: I - III

Name: Tropeolin 000 - II CAS No. 633 - 96 - 5 Formula: HOC10H6N=NC6H4SO3Na Packaging type: 2t - 4, 2 - 9, 4t - 1 Group of packagings: I - IV

Name: Fenazo EI kg Formula: HOC16H4N=NC6H3(NO2)C6H3(NO2)N=NC6H4OH Packaging type: 1 - 1, 2 - 1, 2 - 4, 2 - 9, 4 - 1 Group of packagings: I - III

Fenilantranilovy acid is well soluble in alkalis, for stabilization of caustic solutions of this indicator add chloroform. Fenilantranilovy acid at oxidation passes from colourless form at first in red, and then into red - violet. Transition happens at the reduction oxidation potential of 1 08...

Name: Fenilfosforny acid disodium salt, 2 - water CAS No. 3279 - 54 - 7 EI kg Formula: C6H5OPO(ONa)2 * 2H2O Packaging type: 2t - 1, 2t - 4 Group of packagings: II - V

В/Р phenol red Originally mix kristallyfenol, with phthalic anhydride in the ratio 1: 3. Then very slowly add sulphuric acid until mix completely does not become impregnated with acid, at the same time regulyaro mix it. Further mix is heated to emergence of clubs of white smoke. After water...

Phenol red Indicator In analytical chemistry phenol red use, as well as many other acid base indicators for finding of point of equivalence at titrovaniirastvor. Before titration add several drops of phenol red to the studied solution and begin to add on drops titrant. As soon as solution after the...

Phenolphthalein, Indicator Phenolphthalein — trifenilmetanovy dye, acid osnovny the indicator changing coloring from colourless to red - violet, "crimson"; but in the concentrated alkali — it is again colourless. Melting temperature: 260 °C Density: 1,28 g/cm ³

Phenolphthalein, Indicator, Imp It is synthesized by kondensatsiifenol and phthalic anhydride at 105 — 110 °C in the presence of ZnCl2 or concentrated sulphuric acid. At alloyage of phenolphthalein with NaOH it is formed 4,4 ' - dihydroxybenzophenone, when heating with konts. H2SO4 — phenol and 2...

Name: Fenolftaleinfosfat of sodium EI kg Formula: C20H13Na5O11P2 Description: On light at the dostena of moisture decays. Storage: In the dry dark cool place.

Tropeolin - the technical name of some colorants belonging to class of azopaints and which are turning out condensation of p - diazosulfobenzene acid with phenols and dimethyl aniline: HSO3. С6Н4.N: Ν. Cl + C6H5N(æÌ3) 2= = HSO3. С6Н4.N: N. С6H4N(СН3)2 + HCl. For receiving T. solution...

Name: 2,3,5 - Trifeniltetrazoly chloride CAS No. 298 - 96 - 4 EI kg Formula: C19H15CIN4 Description: tp> 235 It is photosensitive. Under the influence of ultraviolet rays turns yellow. Storage: In the dark place. Packaging type: 2t - 1, 2t - 2, 2 - 9 Group of packagings: I -...

Name: Sudan IV CAS No. 85 - 83 - 6 EI kg Formula: C24H20N4O Packaging type: 2t - 1, 2t - 4 Group of packagings: III - V