| Melting point |
>250°C |
| Boiling point |
577.5±50.0 °C(Predicted) |
| Density |
1.404±0.06 g/cm3(Predicted) |
| bulk density |
480kg/m3 |
| Flash point |
Not applicable |
| storage temp. |
room temp |
| solubility |
Very slightly soluble in water, ethanol; soluble in methanol |
| pka |
1.51, 8.32(at 25℃) |
| form |
powder to crystal |
| color |
Brown to Black |
| PH Range |
1.2 (red) - 2.8 (yellow) and 7.4 (yellow) - 9.0 (purple) |
| Water Solubility |
Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol. |
| λmax |
579nm, 371nm |
| ε(extinction coefficient) |
≥ 11000 at 295-301nm at 0.01g/L (0.01 G/L in 0.005 N NAOH in Methanol)
≥26000 at 578-584nm at 0.01g/L (in 0.005 N NAOH in Methanol)
≥8000 at 369-375nm at 0.01g/L (in 0.005 N NAOH in Methanol) |
| Merck |
14,2577 |
| BRN |
350314 |
| Stability |
Stable. Incompatible with strong oxidizing agents. |
| Major Application |
Fuel cells, sensors, display device, falsification-proof security paper, inks, correction fluid, paints, detection of electrophilic gases, lubricants, cement products, packaging system, adhesive, cosmetics, food storage, determining glucose in dialysis solution, screening of cat diseases, detecting carbohydrates, oral hygiene products |
| InChI |
1S/C21H18O5S/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26-21/h3-12,22-23H,1-2H3 |
| InChIKey |
OLQIKGSZDTXODA-UHFFFAOYSA-N |
| SMILES |
Cc1cc(O)ccc1\C(=C2/C=CC(=O)C=C2C)c3ccccc3S(O)(=O)=O |
| EWG's Food Scores |
1 |
| FDA UNII |
85ODZ58K3D |
| EPA Substance Registry System |
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7) |
| UNSPSC Code |
12171502 |
| NACRES |
NB.21 |
