Molekula Thymol blue
Specification & product details.
Thymol blue is a pH indicator used in analytical chemistry to detect acidity and alkalinity, particularly in the pH range of 1.2 to 2.8 and 8.0 to 9.6.
CAS number: 76-61-9
Select the required pack size. Contact Bench & Flask for bulk quantities and availability.
Supplier packaging image is illustrative; packaging may vary by pack size.
Specifications
| Property | Value |
| Appearance | Dark Brownish Powder |
| Loss on Drying | ≤3% |
| Solubility at 0.1% (95% Ethanol) | Clear solution |
| Wavelength of Max. Absorption | 431 - 436nm |
| Specific Absorbance (E 1%/1cm) | ≥200 |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Melting Point | 223 °C |
Identification
| Property | Value |
| SKU | 12900344 |
| CAS Number | 76-61-9 |
| IUPAC Name | 4-\[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl\]-5-methyl-2-propan-2-ylphenol |
| EC Number | 200-973-3 |
| Molecular Formula | C27H30O5S |
| Molecular Weight | 466.59 |
| Exact Mass | 466.1814 |
| SMILES | CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O |
| InChIKey | PRZSXZWFJHEZBJ-UHFFFAOYSA-N |
| InChI | 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 |
| PubChem CID | 65565 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.4400 |
| Tariff Code | 2934999090 |
Safety & GHS
Warning
- Health HazardGHS07
Hazard statements
- H302Harmful if swallowed
Precautionary statements
- P264Wash thoroughly after handling
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P301+330IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P308+313IF exposed or concerned: Get medical advice/attention
\\
\\
\\
\\
\\
\\
\\
Alternative names
Thym; Thymol Bleu; Thymol, 6,6'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide; Thymolblau; Thymolsulfonephalein; Thymolsulfonephthalein; Thymolsulfonphthalein; Thymolsulfophthalein; Thymolsulphonphthalein; Thymosulfonphthalein
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
Buying for a laboratory, university or organisation?
Ask about quotations, larger quantities, recurring supply and professional accounts.