Crystal Violet 96% AR
C.I.No.42555 (Confirms USP Specification) Crystal Violet is a component of Gram staining that allows one to recognize the difference between gram-positive and gram-negative bacteria with differential staining.
Basic Violet 3, Gentian Violet, Hexamethylpararosaniline chloride, Methyl Violet 10B
Product Code. |
00900 |
Grade |
|
Purity |
85% |
CAS No. |
548-62-9 |
Molecular Formula |
C25H30CIN3 |
Molecular Weight |
407.99 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Dark green powder |
Odour |
Slight characteristic odor |
| Melting point/ Freezing point [°C] |
173 °C |
Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | Dark green powder |
| Assay | 96 – 100.5% |
| Identification | To pass A, B & C tests |
| Water (H2O) | Max 7.5% |
| Residue on ignition | Max 1.5% |
| Alcohol insoluble matter | Max 1% |
| Arsenic (As) | Max 0.001% |
| Lead (Pb) | Max 0.003% |
| Zinc (Zn) | Passes test |
| Chromatographic purity (by HPLC) | Passes test |
| Sensitivity as an indicator | Passes test |
| UV absorbance Ratio | 0.98 - 1.90 |
Safety Information and Hazard Symbols
Symbol: GHS05, GHS07, GHS08, GHS09
Signal Word: Danger
UN No.: 3077
IMCO Class No.: 9
Packing Group: III
Hazardous Statement: H302-H318-H351-H410
Precaution Statement: P273-P280-P305 + P351 + P338-P501