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Cosmetic antioxidants

Lignin

Also known as Lignins, disodium, 4-acetamido-5-hydroxy-6-phenyldiazenylnaphthalene-1,7-disulfonate, Lignin pink

CAS 9005-53-2Formula C18H13N3Na2O8S2Molar mass 509.43 g/molEC 232-682-2
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Lignin chemical structure, C18H13N3Na2O8S2, CAS 9005-53-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
9005-53-2
Formula
C18H13N3Na2O8S2
Molar mass
509.43 g/mol
Physical form
Powder
HS code
292700
Category
Cosmetic antioxidants
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Lignin?

Plain description, key identifiers and synonyms

Lignin is a chemical substance with the molecular formula C18H13N3Na2O8S2 and a molar mass of 509.43 g/mol. Its CAS registry number is 9005-53-2. The IUPAC name is disodium, 4-acetamido-5-hydroxy-6-phenyldiazenylnaphthalene-1,7-disulfonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
disodium, 4-acetamido-5-hydroxy-6-phenyldiazenylnaphthalene-1,7-disulfonate
CAS number
9005-53-2 CAS number cross-checkedOther or deprecated CAS: 94113-57-2
EC numbers
232-682-2, 302-591-3
Molecular formula
C18H13N3Na2O8S2
INCI name
LIGNIN
InChIKey
RLLNZXVKBYGKIP-UHFFFAOYSA-L
InChI
InChI=1S/C18H15N3O8S2.2Na/c1-10(22)19-13-7-8-14(30(24,25)26)12-9-15(31(27,28)29)17(18(23)16(12)13)21-20-11-5-3-2-4-6-11;;/h2-9,23H,1H3,(H,19,22)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2
SMILES (canonical and isomeric)
CC(=O)NC1=C2C(=C(C=C1)S(=O)(=O)[O-])C=C(C(=C2O)N=NC3=CC=CC=C3)S(=O)(=O)[O-].[Na+].[Na+]

Synonyms

  • Lignins
  • disodium, 4-acetamido-5-hydroxy-6-phenyldiazenylnaphthalene-1,7-disulfonate
  • Lignin pink
  • Disodium 4-(acetylamino)-5-hydroxy-6-(phenylazo)naphthalene-1,7-disulphonate
  • Disodium 4-acetamido-5-hydroxy-6-(phenyldiazenyl)-1,7-naphthalenedisulfonate

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

Physical form
Powderexp.

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
509.43 g/molcalc.
Exact mass
508.9939 Dacalc.
LogP (octanol/water)
-3.26calc.
Topological polar surface area
188.5 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
5calc.
Heavy atoms
33calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.06calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
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, c1ccc(N=Nc2ccc3ccccc3c2)cc1

c1ccc(N=Nc2ccc3ccccc3c2)cc1

3 rings, 18 atoms, the Diazene, 2-naphthalenylphenyl- ring system.

600 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.

Lignin suppliers

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

All 14 suppliers
14 of 14 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

14 suppliers in 6 countries

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Lignin price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Processing aids not otherwise specified.

Use classes: Uncategorized, Safer Chemical Classes.

Cosmetic ingredient, INCI name LIGNIN(antioxidant, colorant, opacifying, uv absorber)

Functional uses

  • Filler
  • Processing aids not otherwise specified
  • UV stabilizer

Cosmetic functions

  • Antioxidant
  • Colorant
  • Opacifying
  • UV absorber
  • UV filter

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • Safer Choice ingredient list (USA)
  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Exempt from Chemical Data Reporting

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Lignin is traded under.

HS 2927.00Indicative HS code

Diazo-, azo- or azoxy compounds

World exports in 2024
$571M
+6.1% vs 2023, imports $525M
2019 to 2024
Top exporters
  1. China47.0%
  2. Indonesia13.1%
  3. Japan9.3%
Top importers
  1. United States10.2%
  2. India * partner reported9.1%
  3. South Korea9.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Lignin, based on the data on this page

What is Lignin?

Lignin is a chemical substance with the molecular formula C18H13N3Na2O8S2 and a molar mass of 509.43 g/mol. Its CAS registry number is 9005-53-2. The IUPAC name is disodium, 4-acetamido-5-hydroxy-6-phenyldiazenylnaphthalene-1,7-disulfonate.

What is the CAS number of Lignin?

The CAS registry number of Lignin is 9005-53-2. Other or deprecated CAS numbers: 94113-57-2.

What is the molecular formula and weight of Lignin?

The molecular formula of Lignin is C18H13N3Na2O8S2 and its molar mass is 509.43 g/mol.

What is Lignin used for?

Industrial uses: Processing aids not otherwise specified. Use classes: Uncategorized, Safer Chemical Classes.

Is Lignin hazardous?

No GHS hazard classification for Lignin 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 Lignin?

Lignin is usually classified under HS code 292700 (Diazo-, azo- or azoxy-compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lignin?

CompoundList lists 14 suppliers of Lignin in United States, China, Germany, United Kingdom and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Lignin in India?

1 supplier in India list Lignin on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Lignin?

Suppliers quote Lignin 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 Lignin

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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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