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Basic and cationic dyes

Basic Red 13

Also known as Astrazone pink FG, 3H-Indolium, 2-(2-(4-((2-chloroethyl)methylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride (1:1), Astrazon Pink FG

CAS 3648-36-0Formula C22H26Cl2N2Molar mass 389.37 g/molEC 222-887-5
GHS signal word: Warning. Pictograms: Harmful or irritant 5 suppliers listed
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Basic Red 13 chemical structure, C22H26Cl2N2, CAS 3648-36-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3648-36-0
Formula
C22H26Cl2N2
Molar mass
389.37 g/mol
EC number
222-887-5
HS code
320413
Category
Basic and cationic dyes

What is Basic Red 13?

Plain description, key identifiers and synonyms

Basic Red 13 is a chemical substance with the molecular formula C22H26Cl2N2 and a molar mass of 389.37 g/mol. Its CAS registry number is 3648-36-0. The IUPAC name is N-(2-chloroethyl)-N-methyl-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-(2-chloroethyl)-N-methyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline chloride
CAS number
3648-36-0 CAS number cross-checkedOther or deprecated CAS: 190437-48-0
EC number
222-887-5
Molecular formula
C22H26Cl2N2
UNII
K2YZ663EFR
MDL number
MFCD00031747
InChIKey
ZTBANYZVKCGOKD-UHFFFAOYSA-M
InChI
InChI=1S/C22H26ClN2.ClH/c1-22(2)19-7-5-6-8-20(19)25(4)21(22)14-11-17-9-12-18(13-10-17)24(3)16-15-23;/h5-14H,15-16H2,1-4H3;1H/q+1;/p-1
Canonical SMILES
CN(CCCl)c1ccc(C=CC2=[N+](C)c3ccccc3C2(C)C)cc1.[Cl-]
Isomeric SMILES
CC1(C2=CC=CC=C2[N+](=C1/C=C/C3=CC=C(C=C3)N(C)CCCl)C)C.[Cl-]

Synonyms

  • Astrazone pink FG
  • 3H-Indolium, 2-(2-(4-((2-chloroethyl)methylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride (1:1)
  • Astrazon Pink FG
  • Genacryl Pink G
  • Astrazon Rose FG
  • Basic rose 2S
  • Cationic Pink 2S
  • Cationic Rose 2S
  • Cathilon Pink FGH
  • Astrazonpinkfg
  • Aizen Cathilon Pink FG
  • Aizen Cathilon Pink FGH
  • Nabor Brilliant Pink 2B
  • C.I. Basic Red 13
  • CI BASIC RED 13
  • C.I. 48015
  • Pink 2S
  • Nabor Brilliant Pink 28
  • 2-(4-((2-Chloroethyl)(methyl)amino)styryl)-1,3,3-trimethyl-3H-indol-1-ium chloride
  • 3H-Indolium, 2-(2-(4-((2-chloroethyl)methylamino)phenyl)ethenyl)-1,3,3-trimethyl-, chloride
  • 3H-Indolium, 2-[2-[4-[(2-chloroethyl)methylamino]phenyl]ethenyl]-1,3,3-trimethyl-, chloride
  • 2-(2-(4-((2-Chloroethyl)methylamino)phenyl)ethenyl)-1,3,3-trimethyl-3H-indolium chloride
  • Stenacrile Pink G
  • 2-(2-{4-[(2-chloroethyl)(methyl)amino]phenyl}ethenyl)-1,3,3-trimethyl-3H-indol-1-ium chloride
  • 2-(2-(4-((2-Chloroethyl)methylamino)phenyl)vinyl)-1,3,3-trimethyl-3H-indolium chloride
Show all 30 synonyms
  • 3H-INDOLIUM, 2-(p-((2-CHLOROETHYL)METHYLAMINO)STYRYL)-1,3,3-TRIMETHYL-, CHLORIDE
  • (E)-2-(4-((2-Chloroethyl)(methyl)amino)styryl)-1,3,3-trimethyl-3H-indol-1-ium chloride
  • (E)-2-(4-((2-Chloroethyl)(methyl)amino)styryl)-1,3,3-trimethyl-3H-indol-1-iumchloride
  • 3H-Indolium, 2-[(1E)-2-[4-[(2-chloroethyl)methylamino]phenyl]ethenyl]-1,3,3-trimethyl-, chloride (1:1) (ACI
  • N-(2-chloroethyl)-N-methyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline, 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
389.37 g/molcalc.
Exact mass
388.1473 Dacalc.
LogP (octanol/water)
2.08calc.
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
0.32calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (17)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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 Red 13 suppliers

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

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Where suppliers are based

5 suppliers in 2 countries

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Basic Red 13 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

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

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 Red 13 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 Red 13 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Basic Red 13, based on the data on this page

What is Basic Red 13?

Basic Red 13 is a chemical substance with the molecular formula C22H26Cl2N2 and a molar mass of 389.37 g/mol. Its CAS registry number is 3648-36-0. The IUPAC name is N-(2-chloroethyl)-N-methyl-4-[(E)-2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]aniline chloride.

What is the CAS number of Basic Red 13?

The CAS registry number of Basic Red 13 is 3648-36-0. Other or deprecated CAS numbers: 190437-48-0.

What is the molecular formula and weight of Basic Red 13?

The molecular formula of Basic Red 13 is C22H26Cl2N2 and its molar mass is 389.37 g/mol.

What is Basic Red 13 used for?

Known uses and roles of Basic Red 13 include textile dyes in textiles and leather.

Is Basic Red 13 hazardous?

Basic Red 13 carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Basic Red 13?

Basic Red 13 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 Red 13?

CompoundList lists 5 suppliers of Basic Red 13 in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Basic Red 13 in India?

2 suppliers in India list Basic Red 13 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 Red 13?

Suppliers quote Basic Red 13 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 Red 13

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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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