- Thymol Blue
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2026-06-30
- CAS:76-61-9
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: 20MT
- Thymol Blue
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- $5.00
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2026-05-28
- CAS:76-61-9
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: 10000kg
- Thymol Blue
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- $190.00
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2026-05-15
- CAS:76-61-9
- Min. Order: 25KG
- Purity: 98%
- Supply Ability: 1-10mt
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| | 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) | | bulk density | 350kg/m3 | | 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 | | PH Range | 1.2(red)-2.8(yellow) 8(yellow)-9.6(blue) | | PH | 1.2-2.8
8.0-9.6 | | Odor | Characteristic odour | | Water Solubility | Soluble in alcohol and dilute alkali solutions. Insoluble in water. | | λmax | 594nm, 376nm, 544nm, 430nm | | ε(extinction coefficient) | ≥12000 at 298-302nm in 0.1 M NaOH at 0.01g/L | | 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 | | InChI | 1S/C27H30O5S/c1-15(2)19-13-22(17(5)11-24(19)28)27(21-9-7-8-10-26(21)33(30,31)32-27)23-14-20(16(3)4)25(29)12-18(23)6/h7-16,28-29H,1-6H3 | | InChIKey | PRZSXZWFJHEZBJ-UHFFFAOYSA-N | | SMILES | CC(C)c1cc(c(C)cc1O)C(=C2\C=C(C(C)C)C(=O)C=C2C)\c3ccccc3S(O)(=O)=O | | 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 | TSCA listed | | HS Code | 2934 99 90 | | PackingGroup | II | | Storage Class | 3 - Flammable liquids | | Hazard Classifications | Flam. Liq. 2 |
| | 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 |
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