| Melting point |
43-47 °C(lit.) |
| Boiling point |
309 °C |
| Density |
1.112 g/mL at 25 °C(lit.) |
| bulk density |
600kg/m3 |
| vapor density |
4.4 (vs air) |
| vapor pressure |
10 mm Hg ( 167.7 °C) |
| refractive index |
n20/D 1.387 |
| Flash point |
>230 °F |
| storage temp. |
Store below +30°C. |
| solubility |
water: soluble |
| form |
Very Fine Crystalline Powder |
| pka |
pK1:9.03(0);pK2:11.63(+1) (25°C) |
| color |
White |
| PH |
4-5 (50g/l, H2O, 20℃) |
| Water Solubility |
400 g/L (25 ºC) |
| Sensitive |
Light Sensitive |
| Merck |
14,8000 |
| BRN |
907431 |
| Stability |
Stable, but decolourises in light. Combustible. Incompatible with strong oxidising agents, alkalies, metal oxides, ammonia, antipyrine, phenol, iodine, lime water, menthol, potassium permanganate, strong bases. |
| Cosmetics Ingredients Functions |
HAIR DYEING |
| InChIKey |
WQGWDDDVZFFDIG-UHFFFAOYSA-N |
| LogP |
-0.47 |
| CAS DataBase Reference |
87-66-1(CAS DataBase Reference) |
| NIST Chemistry Reference |
1,2,3-Benzenetriol(87-66-1) |
| EPA Substance Registry System |
Pyrogallol (87-66-1) |
