C11H11NO2S
221.28 g/mol
Dye & PigmentWarning
4,5-dimethyl-2-(1H-pyrrol-1-yl)thiophene-3-carboxylic acid
CAS60181-77-3EC611-943-8
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
acid dye for textiles
This compound is a chemical compound used as an acid dye for textiles. It features a thiophene ring substituted with methyl groups and a pyrrole moiety, along with a carboxylic acid functional group.
acid dye for textiles
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
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acid dye for textiles
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acid dye for textiles
ReferenceSame Category
1,3-Dibromoanthracene-9,10-dione
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dye and pigment intermediate
ReferenceSame Category
2-amino-3-nitrophenol
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dye and pigment intermediate
ReferenceSame Category
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CAS6041-94-7
Red pigment in plastics and inks
ReferenceSame Category
Benzoic acid, 2-benzoyl-, methyl ester
CAS606-28-0
Photosensitive agent and pigment intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4,5-dimethyl-2-(1H-pyrrol-1-yl)thiophene-3-carboxylic acid (CAS 60181-77-3) 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
4,5-dimethyl-2-pyrrol-1-ylthiophene-3-carboxylic acid
InChIKey
DFPDCVOFPAYSKG-UHFFFAOYSA-N
SMILES
CC1=C(SC(=C1C(=O)O)N2C=CC=C2)C
Synonyms (6)
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