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Basic and cationic dyes

Basic Violet 16

Also known as C.i. basic violet 16, 2-[2-[4-(Diethylamino)phenyl]vinyl]-1,3,3-trimethyl-3H-indolium chloride, 3H-Indolium, 2-(2-(4-(diethylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride

CAS 6359-45-1Formula C23H29ClN2Molar mass 368.95 g/molEC 228-799-3
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 6 suppliers listed
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Basic Violet 16 chemical structure, C23H29ClN2, CAS 6359-45-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6359-45-1
Formula
C23H29ClN2
Molar mass
368.95 g/mol
EC number
228-799-3
HS code
320413
Category
Basic and cationic dyes

What is Basic Violet 16?

Plain description, key identifiers and synonyms

Basic Violet 16 is a chemical substance with the molecular formula C23H29ClN2 and a molar mass of 368.95 g/mol. Its CAS registry number is 6359-45-1. The IUPAC name is N,N-diethyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline chloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N,N-diethyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline chloride
CAS number
6359-45-1
EC number
228-799-3
Molecular formula
C23H29ClN2
MDL number
MFCD00071841
INCI name
BASIC VIOLET 16
InChIKey
PKALEBFTSZCHGU-UHFFFAOYSA-M
InChI
InChI=1S/C23H29N2.ClH/c1-6-25(7-2)19-15-12-18(13-16-19)14-17-22-23(3,4)20-10-8-9-11-21(20)24(22)5;/h8-17H,6-7H2,1-5H3;1H/q+1;/p-1
Canonical SMILES
CCN(CC)c1ccc(C=CC2=[N+](C)c3ccccc3C2(C)C)cc1.[Cl-]
Isomeric SMILES
CCN(CC)C1=CC=C(C=C1)/C=C/C2=[N+](C3=CC=CC=C3C2(C)C)C.[Cl-]

Synonyms

  • C.i. basic violet 16
  • 2-[2-[4-(Diethylamino)phenyl]vinyl]-1,3,3-trimethyl-3H-indolium chloride
  • 3H-Indolium, 2-(2-(4-(diethylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride
  • 3H-Indolium, 2-[2-[4-(diethylamino)phenyl]ethenyl]-1,3,3-trimethyl-, chloride (1:1)
  • 2-(2-(4-(Diethylamino)phenyl)vinyl)-1,3,3-trimethyl-3H-indolium chloride
  • 3H-Indolium, 2-(2-(4-(diethylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride (1:1)
  • 3H-Indolium, 2-[2-[4-(diethylamino)phenyl]ethenyl]-1,3,3-trimethyl-, chloride
  • 3H-Indolium, 2-2-4-(diethylamino)phenylethenyl-1,3,3-trimethyl-, chloride
  • N,N-diethyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline, chloride
  • BasicViolet16
  • Ci basic violet 16
  • 2-[(e)-2-(4-diethylaminophenyl)-1-ethenyl]-1,3,3-trimeth-yl-3h-indolium chloride

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
368.95 g/molcalc.
Exact mass
368.2019 Dacalc.
LogP (octanol/water)
2.26calc.
Topological polar surface area
6.25 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
5calc.
Heavy atoms
26calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.35calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C(=Cc1ccccc1)C1=Nc2ccccc2C1

C(=Cc1ccccc1)C1=Nc2ccccc2C1

3 rings, 17 atoms.

98 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H300Fatal if swallowed.
  • H301Toxic if swallowed.
  • H319Causes serious eye irritation.
  • H330Fatal if inhaled.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (20)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Basic Violet 16 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 6 suppliers
6 of 6 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

6 suppliers in 4 countries

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Basic Violet 16 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name BASIC VIOLET 16(hair dyeing)

Functional uses

  • Dye

Cosmetic functions

  • Hair dyeing

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Basic Violet 16 is traded under.

HS 3204.13Indicative HS code

Basic dyes and preparations based thereon

World exports in 2024
$209M
−2.6% vs 2023, imports $224M
2019 to 2024
Top exporters
  1. India * partner reported27.9%
  2. China21.8%
  3. Spain6.6%
Top importers
  1. United States11.2%
  2. China7.9%
  3. Germany7.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Basic Violet 16 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Basic Violet 16, based on the data on this page

What is Basic Violet 16?

Basic Violet 16 is a chemical substance with the molecular formula C23H29ClN2 and a molar mass of 368.95 g/mol. Its CAS registry number is 6359-45-1. The IUPAC name is N,N-diethyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline chloride.

What is the CAS number of Basic Violet 16?

The CAS registry number of Basic Violet 16 is 6359-45-1.

What is the molecular formula and weight of Basic Violet 16?

The molecular formula of Basic Violet 16 is C23H29ClN2 and its molar mass is 368.95 g/mol.

What is Basic Violet 16 used for?

Known uses and roles of Basic Violet 16 include colorants in cosmetics and personal care, textile dyes in textiles and leather, hair dyeing and dye.

Is Basic Violet 16 hazardous?

Basic Violet 16 carries the GHS signal word "Danger". Main hazards: fatal if swallowed, toxic if swallowed, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Basic Violet 16?

Basic Violet 16 is usually classified under HS code 320413 (Basic dyes and preparations based thereon). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Basic Violet 16?

CompoundList lists 6 suppliers of Basic Violet 16 in India, China, United Kingdom and Italy. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Basic Violet 16 in India?

3 suppliers in India list Basic Violet 16 on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Basic Violet 16?

Suppliers quote Basic Violet 16 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Basic Violet 16

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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