85-44-9 phthalic anhydride

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Product Name	Phthalic anhydride
CAS No.	85-44-9
Synonyms	2,5-Isobenzofurandione; 2-benzofuran-1,3-dione; 2,2'-(oxydicarbonyl)dibenzoic acid; o-Phthalic anhydride
InChI	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)
Molecular Formula	C₈H₄O₃
Molecular Weight	148.12
Density	1.484g/cm3
Melting point	129-132℃
Boiling point	589.218°C at 760 mmHg
Flash point	223.231°C
Water solubility	6 g/L (20℃)
Refractive index	1.646
Hazard Symbols	Xn:Harmful;
Risk Codes	R22:; R37/38:; R41:; R42/43:;
Safety	S22:; S24/25:; S26:; S37/39:; S46:;