Sub-formula: C19H26I3N3O9
Subfraction: 821.14
CAS No. : 66108-95-0
Quality standard: YBH00512009
Shape: white or light brown powder
Water: 1.5% or less
Content (HPLC) : ≥99.0%
Packing: 25KG, 50KG/barrel
Storage: shading and closed storage
subject | standard |
character | White or almost white powder with moisture inducing properties |
specific curl [α] | -0.5°~+0.5° |
moisture | ≤4.0% |
| 20ppm |
Free aromatic amine | 0.05% |
Free iodine | The toluene layer is colorless |
Free iodide | 20ppm |
Ionic compound | 0.05% |
Solvent residue | Methanol ≤0.3%, n-butanol ≤0.5%, ethylene glycol monomethyl ether ≤50ppm, 3-chloro-1, 2-propylene glycol ≤0.01% |
Ignition residue | ≤0.1% |
Iron salts | ≤10ppm |
Oxygen-alkyl compounds | ≤0.6% |
About the material | ≤0.4% |
content | 98.0~102.0% |