|
| | Thymol Blue Basic information |
| | Thymol Blue Chemical Properties |
| Melting point | 221-224 °C (dec.) (lit.) | | Boiling point | 539.4°C (rough estimate) | | density | 1.1413 (rough estimate) | | refractive index | 1.5300 (estimate) | | Fp | 36 °C | | storage temp. | room temp | | solubility | 0.11g/l | | form | Solid | | pka | Pka1:1.65(at 25℃)(PH=1.2 to 2.8) Pka2:8.9(at 25℃)(PH=8.0 to 9.6) | | color | Dark green to dark brown | | Odor | Characteristic odour | | PH Range | 1.2(red)-2.8(yellow) 8(yellow)-9.6(blue) | | Water Solubility | Soluble in alcohol and dilute alkali solutions. Insoluble in water. | | λmax | 594nm, 376nm, 544nm, 430nm | | Merck | 14,9400 | | BRN | 368036 | | Stability: | Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents. | | Major Application | Display device, semiconductors, sensors, fuel cells, antimisting coating for glass, toys, corrosion inhibitor, multi-level alert system, correction fluid, textiles, falsification-proof security paper, packaging system, measurement of hydrogen ion concentrationin swimming pool water, humidity-indicating agent, diapers, cosmetics, biostatic materials, determine bacteria growth, psychoactive drugs, antidepressant drugs, dental impression material | | CAS DataBase Reference | 76-61-9(CAS DataBase Reference) | | NIST Chemistry Reference | Thymolsulfonephthalein(76-61-9) | | EPA Substance Registry System | Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)- (76-61-9) |
| Risk Statements | 10 | | Safety Statements | 24/25 | | RIDADR | UN 1170 3/PG 3 | | WGK Germany | 3 | | RTECS | XP2575000 | | TSCA | Yes | | HS Code | 2934 99 90 | | PackingGroup | II |
| | Thymol Blue Usage And Synthesis |
| Chemical Properties | brown to green powder or crystals | | Uses | As as acid-base indicator; pH: red 1.2 to yellow 2.8; also yellow 8.0 to blue 9.6. | | Uses | Thymol Blue is a useful pH indicator compound. Dyes and metabolites. | | Biochem/physiol Actions | Thymol Blue is a pH indicator, which is yellow/orange at low pH and blue in color at high pH. |
| | Thymol Blue Preparation Products And Raw materials |
|
