Substance profile
C.I. Basic Violet 3
C.I. Basic Violet 3 is dark green powder or greenish, glistening pieces with metallic luster.
01 · Identification
What C.I. Basic Violet 3 is
C.I. Basic Violet 3 is dark green powder or greenish, glistening pieces with metallic luster. Its molecular formula is C25H30ClN3 and its molecular weight is 408 g/mol. It melts at 215 °C, is very soluble in water.
Under the GHS it carries the signal word Danger.
Other names for C.I. Basic Violet 3
- 4-[4,4'-bis(dimethylamino) benzhydrylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H302 | Harmful if swallowed. |
| H318 | Causes serious eye damage. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P201, P270, P273, P280, P301, P305, P308, P310, P312, P313, P330, P338, P391, P501
03 · Physical and chemical properties
C.I. Basic Violet 3 properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 215 °C (419 °F) | DOE PAC | |
| 215 °C (419 °F) | decomposes, decomposes | HSDB | |
| 215 °C (419 °F) | decomposes | CAMEO | |
| Solubility | Very soluble in water, chloroform | HSDB | |
| In ethylene glycol methyl ether, 30 mg/mL; in ethanol, 30 mg/mL | HSDB | ||
| Solubility (%): water 0.2-1.7; ethanol 3-14; acetone 0.4; chloroform 5.1; insoluble in xylene | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling C.I. Basic Violet 3
Reactivity
HEXAMETHYL-P-ROSANILINE CHLORIDE is light sensitive. (NTP, 1992). May react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check C.I. Basic Violet 3 in the storage compatibility matrix →