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Basic and cationic dyes

Basic Blue 75

Also known as AHC BLUE SP, Phenoxazin-5-ium, 3-(diethylamino)-7-(phenylamino)-, trichlorozincate(1-), Phenoxazin-5-ium, 3-(diethylamino)-7-(phenylamino)-, trichlorozincate(1-) (1:1)

CAS 73398-25-1Formula C22H22Cl3N3OZnMolar mass 516.19 g/molEC 277-426-0
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Basic Blue 75 chemical structure, C22H22Cl3N3OZn, CAS 73398-25-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73398-25-1
Formula
C22H22Cl3N3OZn
Molar mass
516.19 g/mol
EC number
277-426-0
HS code
320413
Category
Basic and cationic dyes

What is Basic Blue 75?

Plain description, key identifiers and synonyms

Basic Blue 75 is a chemical substance with the molecular formula C22H22Cl3N3OZn and a molar mass of 516.19 g/mol. Its CAS registry number is 73398-25-1. The IUPAC name is (7-anilinophenoxazin-3-ylidene)-diethylazanium, trichlorozinc(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(7-anilinophenoxazin-3-ylidene)-diethylazanium, trichlorozinc(1-)
CAS number
73398-25-1 CAS number cross-checked
EC number
277-426-0
Molecular formula
C22H22Cl3N3OZn
UNII
H84HHH838R
INCI name
BASIC BLUE 75
InChIKey
KLHMIHDWUUHXLQ-UHFFFAOYSA-L
InChI
InChI=1S/C22H21N3O.3ClH.Zn/c1-3-25(4-2)18-11-13-20-22(15-18)26-21-14-17(10-12-19(21)24-20)23-16-8-6-5-7-9-16;;;;/h5-15H,3-4H2,1-2H3;3*1H;/q;;;;+2/p-2
SMILES (canonical and isomeric)
CC[N+](=C1C=CC2=NC3=C(C=C(C=C3)NC4=CC=CC=C4)OC2=C1)CC.Cl[Zn-](Cl)Cl

Synonyms

  • AHC BLUE SP
  • Phenoxazin-5-ium, 3-(diethylamino)-7-(phenylamino)-, trichlorozincate(1-)
  • Phenoxazin-5-ium, 3-(diethylamino)-7-(phenylamino)-, trichlorozincate(1-) (1:1)
  • 3-(Diethylamino)-7-(phenylamino)phenoxazin-5-ium trichlorozincate

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
516.19 g/molcalc.
Exact mass
513.012 Dacalc.
LogP (octanol/water)
6.55calc.
Topological polar surface area
41.07 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
30calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.18calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Fails (2 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, [N+]=c1ccc2nc3ccc(Nc4ccccc4)cc3oc-2c1

[N+]=c1ccc2nc3ccc(Nc4ccccc4)cc3oc-2c1

4 rings, 22 atoms.

4 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.

Basic Blue 75 suppliers

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Basic Blue 75 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 BLUE 75(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

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Basic Blue 75 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 Blue 75 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 Blue 75, based on the data on this page

What is Basic Blue 75?

Basic Blue 75 is a chemical substance with the molecular formula C22H22Cl3N3OZn and a molar mass of 516.19 g/mol. Its CAS registry number is 73398-25-1. The IUPAC name is (7-anilinophenoxazin-3-ylidene)-diethylazanium, trichlorozinc(1-).

What is the CAS number of Basic Blue 75?

The CAS registry number of Basic Blue 75 is 73398-25-1.

What is the molecular formula and weight of Basic Blue 75?

The molecular formula of Basic Blue 75 is C22H22Cl3N3OZn and its molar mass is 516.19 g/mol.

What is Basic Blue 75 used for?

Known uses and roles of Basic Blue 75 include colorants in cosmetics and personal care, textile dyes in textiles and leather, hair dyeing and dye.

Is Basic Blue 75 hazardous?

No GHS hazard classification for Basic Blue 75 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 Basic Blue 75?

Basic Blue 75 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 Blue 75?

Post a free request on CompoundList and suppliers of Basic Blue 75 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Basic Blue 75?

Suppliers quote Basic Blue 75 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 Blue 75

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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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