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Acid and mordant dyes

Bordeaux E

Also known as sodium, 6-hydroxy-5-(naphthalen-1-yldiazenyl)naphthalene-2-sulfonic acid, C.I. Acid Red 11, monosodium salt, C.I. Acid Red 11

CAS 5864-86-8Formula C20H14N2NaO4S+Molar mass 401.40 g/molEC 611-731-5
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Bordeaux E chemical structure, C20H14N2NaO4S+, CAS 5864-86-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5864-86-8
Formula
C20H14N2NaO4S+
Molar mass
401.40 g/mol
EC number
611-731-5
HS code
320412
Category
Acid and mordant dyes

What is Bordeaux E?

Plain description, key identifiers and synonyms

Bordeaux E is a chemical substance with the molecular formula C20H14N2NaO4S+ and a molar mass of 401.40 g/mol. Its CAS registry number is 5864-86-8. The IUPAC name is sodium 6-hydroxy-5-(naphthalen-1-yldiazenyl)naphthalene-2-sulfonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium 6-hydroxy-5-(naphthalen-1-yldiazenyl)naphthalene-2-sulfonic acid
CAS number
5864-86-8 CAS number cross-checked
EC number
611-731-5
Molecular formula
C20H14N2NaO4S+
InChIKey
XXLYOUURXVUMTG-UHFFFAOYSA-N
InChI
InChI=1S/C20H14N2O4S.Na/c23-19-11-8-14-12-15(27(24,25)26)9-10-17(14)20(19)22-21-18-7-3-5-13-4-1-2-6-16(13)18;/h1-12,23H,(H,24,25,26);/q;+1
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C=CC=C2N=NC3=C(C=CC4=C3C=CC(=C4)S(=O)(=O)O)O.[Na+]

Synonyms

  • sodium, 6-hydroxy-5-(naphthalen-1-yldiazenyl)naphthalene-2-sulfonic acid
  • C.I. Acid Red 11, monosodium salt
  • C.I. Acid Red 11
  • C.I. 16040
  • sodium, (5Z)-5-(naphthalen-1-ylhydrazinylidene)-6-oxonaphthalene-2-sulfonic acid

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
401.40 g/molcalc.
Exact mass
401.0566 Dacalc.
LogP (octanol/water)
2.36calc.
Topological polar surface area
99.32 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
28calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0calc.
Formal charge
1calc.
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, c1ccc2c(N=Nc3cccc4ccccc34)cccc2c1

c1ccc2c(N=Nc3cccc4ccccc34)cccc2c1

4 rings, 22 atoms, the 1,2-Di-1-naphthalenyldiazene ring system.

184 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.

Bordeaux E suppliers

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Bordeaux E 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

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 Bordeaux E is traded under.

HS 3204.12Indicative HS code

Acid dyes, whether or not premetallised, and preparations based thereon, mordant dyes…

World exports in 2024
$792M
+6.2% vs 2023, imports $791M
2019 to 2024
Top exporters
  1. India * partner reported34.9%
  2. China9.3%
  3. Germany7.4%
Top importers
  1. China15.3%
  2. Italy8.2%
  3. United States7.3%

* Partner reported figures, a lower bound.

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

The HS code shown for Bordeaux E is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bordeaux E, based on the data on this page

What is Bordeaux E?

Bordeaux E is a chemical substance with the molecular formula C20H14N2NaO4S+ and a molar mass of 401.40 g/mol. Its CAS registry number is 5864-86-8. The IUPAC name is sodium 6-hydroxy-5-(naphthalen-1-yldiazenyl)naphthalene-2-sulfonic acid.

What is the CAS number of Bordeaux E?

The CAS registry number of Bordeaux E is 5864-86-8.

What is the molecular formula and weight of Bordeaux E?

The molecular formula of Bordeaux E is C20H14N2NaO4S+ and its molar mass is 401.40 g/mol.

What is Bordeaux E used for?

Known uses and roles of Bordeaux E include textile dyes in textiles and leather.

Is Bordeaux E hazardous?

No GHS hazard classification for Bordeaux E 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 Bordeaux E?

Bordeaux E is usually classified under HS code 320412 (Acid dyes, whether or not premetallised, and preparations based thereon, mordant dyes…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bordeaux E?

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

What is the price of Bordeaux E?

Suppliers quote Bordeaux E 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 Bordeaux E

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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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