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Basic and cationic dyes

C.I. Basic Blue 15

Also known as Night blue, N-(4-((4-(Diethylamino)phenyl)(4-((4-methylphenyl)amino)-1-naphthalenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethylethanaminium, chloride, basic blue 15

CAS 4692-38-0Formula C38H42ClN3Molar mass 576.23 g/molEC 610-323-4
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C.I. Basic Blue 15 chemical structure, C38H42ClN3, CAS 4692-38-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4692-38-0
Formula
C38H42ClN3
Molar mass
576.23 g/mol
EC number
610-323-4
HS code
320413
Category
Basic and cationic dyes

What is C.I. Basic Blue 15?

Plain description, key identifiers and synonyms

C.I. Basic Blue 15 is a chemical substance with the molecular formula C38H42ClN3 and a molar mass of 576.23 g/mol. Its CAS registry number is 4692-38-0. The IUPAC name is [4-[bis[4-(diethylamino)phenyl]methylidene]naphthalen-1-ylidene]-(4-methylphenyl)azanium chloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[4-[bis[4-(diethylamino)phenyl]methylidene]naphthalen-1-ylidene]-(4-methylphenyl)azanium chloride
CAS number
4692-38-0 CAS number cross-checked
EC number
610-323-4
Molecular formula
C38H42ClN3
UNII
YD9SY6T6JY
InChIKey
DOLKKDJAWDNAMU-UHFFFAOYSA-N
InChI
InChI=1S/C38H41N3.ClH/c1-6-40(7-2)32-22-16-29(17-23-32)38(30-18-24-33(25-19-30)41(8-3)9-4)36-26-27-37(35-13-11-10-12-34(35)36)39-31-20-14-28(5)15-21-31;/h10-27H,6-9H2,1-5H3;1H
SMILES (canonical and isomeric)
CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[NH+]C3=CC=C(C=C3)C)C4=CC=CC=C24)C5=CC=C(C=C5)N(CC)CC.[Cl-]

Synonyms

  • Night blue
  • N-(4-((4-(Diethylamino)phenyl)(4-((4-methylphenyl)amino)-1-naphthalenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethylethanaminium, chloride
  • basic blue 15
  • C.I. 44085
  • [4-[bis[4-(diethylamino)phenyl]methylidene]naphthalen-1-ylidene]-(4-methylphenyl)azanium, chloride
  • Ethanaminium, N-[4-[[4-(diethylamino)phenyl][4-[(4-methylphenyl)amino]-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, chloride
  • Ethanaminium, N-(4-((4-(diethylamino)phenyl)(4-((4-methylphenyl)amino)-1-naphthalenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, chloride
  • Ethanaminium, N-[4-[[4-(diethylamino)phenyl][4-[(4-methylphenyl)amino]-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, chloride (1:1)
  • N-(4-((4-(Diethylamino)phenyl)(4-((4- methylphenyl)amino)-1-naphthalenyl)methylene)-2,5- cyclohexadien-1-ylidene)-N-ethylethanaminium, 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
576.23 g/molcalc.
Exact mass
575.3067 Dacalc.
LogP (octanol/water)
4.42calc.
Topological polar surface area
20.45 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
9calc.
Heavy atoms
42calc.
Rings
5calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.24calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (1 violation)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, C1=CC(=C(c2ccccc2)c2ccccc2)c2ccccc2C1=Nc1ccccc1

C1=CC(=C(c2ccccc2)c2ccccc2)c2ccccc2C1=Nc1ccccc1

5 rings, 30 atoms.

14 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

C.I. Basic Blue 15 suppliers

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C.I. Basic Blue 15 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • dye
  • fluorescent dye
  • fluorochrome
  • histological dye

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code C.I. Basic Blue 15 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 C.I. Basic Blue 15 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about C.I. Basic Blue 15, based on the data on this page

What is C.I. Basic Blue 15?

C.I. Basic Blue 15 is a chemical substance with the molecular formula C38H42ClN3 and a molar mass of 576.23 g/mol. Its CAS registry number is 4692-38-0. The IUPAC name is [4-[bis[4-(diethylamino)phenyl]methylidene]naphthalen-1-ylidene]-(4-methylphenyl)azanium chloride.

What is the CAS number of C.I. Basic Blue 15?

The CAS registry number of C.I. Basic Blue 15 is 4692-38-0.

What is the molecular formula and weight of C.I. Basic Blue 15?

The molecular formula of C.I. Basic Blue 15 is C38H42ClN3 and its molar mass is 576.23 g/mol.

What is C.I. Basic Blue 15 used for?

Known uses and roles of C.I. Basic Blue 15 include textile dyes in textiles and leather, indicators and stains in research and laboratory, dye, fluorescent dye, fluorochrome and 1 more.

Is C.I. Basic Blue 15 hazardous?

No GHS hazard classification for C.I. Basic Blue 15 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of C.I. Basic Blue 15?

C.I. Basic Blue 15 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 C.I. Basic Blue 15?

Post a free request on CompoundList and suppliers of C.I. Basic Blue 15 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of C.I. Basic Blue 15?

Suppliers quote C.I. Basic Blue 15 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 C.I. Basic Blue 15

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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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