Safety Reference
Warning
H317May cause an allergic skin reaction
H413May cause long lasting harmful effects to aquatic life
Sourcing 2,3-Dimethyl-2,3-diphenylbutane?
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4-Methylbenzyl thiocyanate
chemical intermediate
Sourcing 2,3-Dimethyl-2,3-diphenylbutane?
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2,3-Dimethyl-2,3-diphenylbutane is an organic compound used as a flame retardant for expanded polystyrene (EPS) foam. Its structure features two aromatic rings and no hydrogen-bond donor or acceptor groups, contributing to its low polarity and high lipophilicity.
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 2,3-Dimethyl-2,3-diphenylbutane (CAS 1889-67-4) is 2902.90.
2902.90
2902 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2,3-dimethyl-3-phenylbutan-2-yl)benzene
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