Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 5-Amino-3-methyl-1-phenylpyrazole?
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Sourcing 5-Amino-3-methyl-1-phenylpyrazole?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
5-Amino-3-methyl-1-phenylpyrazole is a chemical compound used as an intermediate in the synthesis of phenylpyrazole insecticides, such as fipronil. These insecticides act on the insect central nervous system by blocking GABA and glutamate-gated chloride channels, leading to nerve hyperexcitation.
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 5-Amino-3-methyl-1-phenylpyrazole (CAS 1131-18-6) 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.
5-methyl-2-phenylpyrazol-3-amine
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