Thymolphthalein
- Product NameThymolphthalein
- CAS125-20-2
- CBNumberCB5342154
- MFC28H30O4
- MW430.54
- EINECS204-729-7
- MDL NumberMFCD00005909
- MOL File125-20-2.mol
Chemical Properties
| Melting point: | 251-253 °C(lit.) |
| Boiling point: | 504.79°C (rough estimate) |
| Density | 0.92 g/mL at 25 °C |
| bulk density | 400kg/m3 |
| vapor pressure | 0.002Pa at 90℃ |
| refractive index | 1.6400 (estimate) |
| Flash point: | 74 °F |
| storage temp. | no restrictions. |
| solubility | ethanol: clarity passes test |
| form | Low Melting Mass |
| pka | 9.70, 10.0(at 25℃) |
| color | White to slightly yellow |
| Specific Gravity | 0.92 |
| PH Range | 9.3(colourless)-10.5(blue) |
| Odor | Mild characteristic odor |
| PH | 8.6~10.5 |
| explosive limit | 3.30-19% |
| Water Solubility | insoluble |
| λmax | 592nm, 396nm, 598nm |
| Merck | 14,9401 |
| BRN | 359413 |
| Major Application | Display device, semiconductors, recording materials, photoconductors, sol-gel matrix, tin electroplating process, counterfeit-proof paper, authentication system forsecure documents, inks, pencil leads, correction fluid, paints, petroleum marker, tennis ball, adhesives, floor coatings, textiles, detergents, insecticide, lotion, cleaning pads, food storage, determine bacterial growth, Streptococci in saliva, dental impressionmaterials |
| InChI | 1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3 |
| InChIKey | GRBHJPCWQRVGND-UHFFFAOYSA-N |
| SMILES | CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C |
| LogP | 3.682 at 25℃ |
| CAS DataBase Reference | 125-20-2(CAS DataBase Reference) |
| EPA Substance Registry System | Thymolphthalein (125-20-2) |
Safety
| Symbol(GHS) |
  GHS02,GHS08 |
|||||||||
| Signal word | Danger | |||||||||
| Hazard statements | H225-H313-H333-H371 | |||||||||
| Precautionary statements | P210-P260-P280a-P303+P361+P353-P405-P501a | |||||||||
| PPE | Eyeshields, Gloves, type N95 (US) | |||||||||
| Hazard Codes | F,Xn | |||||||||
| Risk Statements | 11-40-10 | |||||||||
| Safety Statements | 7-16-36/37-24/25-22 | |||||||||
| RIDADR | UN 1170 3/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29322980 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704: |
|