Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone?
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Ethyl pyrazolone t
Dye intermediate
Sourcing 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone?
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This compound is an organic compound used as an intermediate in the production of dyes. It features a sulfonic acid group and a pyrazolone ring, contributing to its role in dye synthesis.
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.
The international HS code for 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone (CAS 84-57-1) is 2933.19.
2933.19
2933 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2,5-dichloro-4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid
KCEIVWKDBLAQKL-UHFFFAOYSA-N
CC1=NN(C(=O)C1)C2=CC(=C(C=C2Cl)S(=O)(=O)O)Cl
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