C22H12N2O4
368.3 g/mol
Industrial ChemicalWarning
4H-3,1-Benzoxazin-4-one, 2,2'-(1,4-phenylene)bis-
CAS18600-59-4EC418-280-1
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
UV absorber
This compound is a benzoxazinone derivative that functions primarily as an ultraviolet light absorber. It is commonly incorporated into polymer materials to enhance their resistance to UV-induced degradation.
UV stabilizer for polymersLight stabilizer in plastics and coatings
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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Solvent
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Safety Reference
Warning
H317May cause an allergic skin reaction
H413May cause long lasting harmful effects to aquatic life
H302Harmful if swallowed
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 4H-3,1-Benzoxazin-4-one, 2,2'-(1,4-phenylene)bis- (CAS 18600-59-4) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
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
2-[4-(4-oxo-3,1-benzoxazin-2-yl)phenyl]-3,1-benzoxazin-4-one
InChIKey
BBITXNWQALLODC-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=O)OC(=N2)C3=CC=C(C=C3)C4=NC5=CC=CC=C5C(=O)O4
Synonyms (15)
- BAS 00298026
- CYASORB UV 3638
- PIONIN ZA 101
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