Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 3,4-DIHYDROXYBENZOIC ACID?
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Sourcing 3,4-DIHYDROXYBENZOIC ACID?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
3,4-Dihydroxybenzoic acid is a naturally occurring phenolic acid found in wheat grains and many other plants. It is also used as a matrix compound in synthetic polymer MALDI mass spectrometry.
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 3,4-DIHYDROXYBENZOIC ACID (CAS 99-50-3) is 2918.29.
2918.29
2918 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3,4-dihydroxybenzoic acid
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