C

Crystal violet

IUPAC: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride

C25H30ClN3 Indicators CAS 548-62-9
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Quick Reference
Formula / NotationC25H30ClN3
CAS Number548-62-9
Molecular Weight408.0
Melting Point419 °F (Decomposes) (NTP, 1992)
Solubilityless than 1 mg/mL at 86 °F (NTP, 1992)
AppearanceHexamethyl-p-rosaniline chloride is a green to dark green powder. (NTP, 1992)
Also Known As[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride; gentian violet; 548-62-9; methylrosanilinium chloride; Aniline Violet; Hexamethyl Violet; Methyl Violet 10B; Gentiaverm; Methylrosaniline chloride; Pyoktanin
CategoryIndicators

What is Crystal violet?

Gentian Violet can cause cancer according to an independent committee of scientific and health experts.

Formula & Notation

C25H30ClN3

IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride

Other Names / Synonyms: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride; gentian violet; 548-62-9; methylrosanilinium chloride; Aniline Violet; Hexamethyl Violet; Methyl Violet 10B; Gentiaverm; Methylrosaniline chloride; Pyoktanin

Properties & Characteristics

Appearance: Hexamethyl-p-rosaniline chloride is a green to dark green powder. (NTP, 1992). Molecular formula: C25H30ClN3. Molecular weight: 408.0 g/mol. Melting point: 419 °F (Decomposes) (NTP, 1992). Solubility: less than 1 mg/mL at 86 °F (NTP, 1992).

Physical Data

PropertyValue
Melting Point419 °F (Decomposes) (NTP, 1992)
Molecular Weight408.0
Solubilityless than 1 mg/mL at 86 °F (NTP, 1992)
AppearanceHexamethyl-p-rosaniline chloride is a green to dark green powder. (NTP, 1992)

Uses & Applications

Used as a pH indicator in acid-base titrations, analytical chemistry, and chemical education demonstrations.

Safety Information

May be irritant or toxic in concentrated form. Handle with care. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Crystal violet
Formula C25H30ClN3
CAS Number 548-62-9
Molecular Weight 408.0
Category Indicators
Index All "C" terms
Synonyms [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride; gentian violet; 548-62-9; methylrosanilinium chloride; Aniline Violet; Hexamethyl Violet; Methyl Violet 10B; Gentiaverm; Methylrosaniline chloride; Pyoktanin

Frequently Asked Questions

Gentian Violet can cause cancer according to an independent committee of scientific and health experts.

More "C" Terms

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/crystal-violet

For educational purposes only. Verify all information before use.