4-(Phenylethynyl)phthalic anhydride
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4-(Phenylethynyl)phthalic anhydride
structure -
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CAS No:
119389-05-8
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Formula:
C16H8O3
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Chemical Name:
4-(Phenylethynyl)phthalic anhydride
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Synonyms:
1,3-Isobenzofurandione,5-(2-phenylethynyl)-;1,3-Isobenzofurandione,5-(phenylethynyl)-;5-(2-Phenylethynyl)-1,3-isobenzofurandione;4-(Phenylethynyl)phthalic anhydride;4-(2-Phenylethynyl)phthalic anhydride;2-(3,4-Dicarboxyphenyl)-1-phenylacetylene anhydride;4-(Phenylethynyl)-1,2-benzenedicarboxylic anhydride;CKK 2;PEPA
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CAS No:
4-(Phenylethynyl)phthalic anhydride Basic Attributes
248.23
248.23
601-604-2
DTXSID6074386
2932999099
Characteristics
43.4
3.3
1.4±0.1 g/cm3
152.6-152.7 °C @ Solvent: Toluene
466.9°C at 760 mmHg
235.4±21.2 °C
1.679
Safety Information
36/37/38
26-36/37/39
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
H315
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 7 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
4-(Phenylethynyl)phthalic anhydride Use and Manufacturing
4-phenyl ethynyl dimethyl phthalate (33.6 g) was suspended in a mixed medium comprising water and methanol and a 25percent by mass aqueous solution of sodium hydroxide (40 g) was dropwise added thereto with stirring.
1,3-Isobenzofurandione, 5-(2-phenylethynyl)-: ACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
Computed Properties
Molecular Weight:248.23
XLogP3:3.3
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:248.047344113
Monoisotopic Mass:248.047344113
Topological Polar Surface Area:43.4
Heavy Atom Count:19
Complexity:447
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4-(Phenylethynyl)phthalic anhydride
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