C14H8O4
240.21 g/mol
Dye & PigmentWarning
Alizarin
CAS72-48-0EC200-782-5
Category
Dye & Pigment
Compound Class
Natural Product
Primary Use
Dye and pigment precursor
Alizarin is an organic compound historically used as a red dye for textile fabrics. It was originally derived from madder plant roots and became the first natural dye to be produced synthetically in 1869.
Red dye for textile fabricsDye and pigment precursor
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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biological stain and dye
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CAS72102-84-2
Orange pigment for plastics
ReferenceSame Category
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CAS7220-79-3
Bacteriological stain and dye
ReferenceSame Category
1-(2,5-Dichloro-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid
CAS7253-04-5
Dye intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Alizarin (CAS 72-48-0) is 3204.12.
HS code (international, 6-digit)
3204.12
EU CN code (8-digit)
3204 12 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1,2-dihydroxyanthracene-9,10-dione
InChIKey
RGCKGOZRHPZPFP-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3)O)O
Synonyms (72)
- 1,2-Anthraquinonediol
- 1,2-Dihydroxyanthrachinon
- 1,2-Dihydroxyanthraquinone
- 9, 1,2-dihydroxy-
- ATHRAQUINONES A
- Alizarin
- Alizarin (Standard)
- Alizarin B
- Alizarin Red
- Alizarin, Dye content
- Alizarin, p.a.
- Alizarina
- Alizarine 3B
- Alizarine B
- Alizarine L paste
- Alizarine Lake Red 2P
- Alizarine Lake Red 3P
- Alizarine Lake Red IPX
- Alizarine NAC
- Alizarine Red
- Alizarine Red B
- Alizarine Red B2
- Alizarine Red IP
- Alizarine Red IPP
- Alizarine Red L
- Alizarine indicator
- Alizarine paste 20% bluish
- Alizerine NAC
- Alizerine Red IPP
- Anthraquinone, 1,2-dihydroxy-
- Anthraquinonic
- Az
- C.I. 58000C
- C.I. Mordant Red 11
- C.I. Mordant Red 11C
- Certiqual Alizarine
- Certiqual Alizarine D
- D And C Orange Number 15
- D and C Orange No. 15
- D and C Orange Number 15D
- D&C ORANGE NO. 15 (DELISTED)
- Deep Crimson Madder 10821
- Deep Crimson Madder 10821E
- Eljon Madder
- Eljon Madder M
- Hystazarin
- Lizarinic acid;
- Madder;
- Mitsui Alizarine B
- Mitsui Alizarine BS
- Mordant Red 11
- Pincoffin
- ROUGE COVALAC W 3514
- Sanyo Carmine L2B
- Sanyo Carmine l2BT
- Turkey Red
- Turkey Red (VAN)
- Turkey Red W
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