Category:
Plant Extracts
CAS NO:
89-83-8
Standard:
USP,

PH Colorchangeinterval......................................120 (red) to 2.8 (yellow), 8.0 (yellow) - 960 (blue)
Massabsorptioncoefficient ε/(L/cm·g)..............≥71.0
Ethanol dissolve test...........................................passes test
Ignition residue ,%..............................................≤0.3
| Items | Standards |
|
Appearance |
colorless to light yellow |
| Relative density | 0.936~0.960 |
| Refractive index | 1.502~1.508 |
| Optical rotation | -15°~+8° |
| Melting point | 237°c |