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Phthalic anhydride

Chemical Name Phthalic anhydride
Synonyms 2,5-Isobenzofurandione;2-benzofuran-1,3-dione;2,2'-(oxydicarbonyl)dibenzoic acid;o-Phthalic anhydride
Molecular Formula C8H4O3
Molecular Weight 148.12
InChl InChI=1/C16H10O7/c17-13(18)9-5-1-3-7-11(9)15(21)23-16(22)12-8-4-2-6-10(12)14(19)20/h1-8H,(H,17,18)(H,19,20)
CAS Registry Number 85-44-9
EINECS 201-607-5
Molecular Structure 85-44-9  Phthalic anhydride
Density 1.484g/cm3
Melting Point 129-132℃
Boiling Point 589.218°C at 760 mmHg
Refractive Index 1.646
Flash Point 223.231°C
Water Solubility 6 g/L (20℃)
Vapour Pressur 0mmHg at 25°C
Hazard Symbols  Xn##Harmful:;
Risk Codes R22||R37/38||R41||R42/43:;
Safety Description S22||S24/25||S26||S37/39||S46:;
MSDS Material Safety Data Sheet