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Name |
Diphenic anhydride |
EINECS | 227-950-0 |
CAS No. | 6050-13-1 | Density | 1.335 g/cm3 |
PSA | 47.28000 | LogP | 2.30640 |
Solubility | decomposes | Melting Point |
225-227 °C |
Formula | C14H8O3 | Boiling Point | 424 °C at 760 mmHg |
Molecular Weight | 224.216 | Flash Point | 212 °C |
Transport Information | N/A | Appearance | beige - white Crystalline Powder |
Safety | 26-37/39-7/8-24/25-37 | Risk Codes | 36/37/38 |
Molecular Structure | Hazard Symbols | ||
Synonyms |
Diphenicanhydride (6CI,7CI,8CI);2,2'-Biphenyldicarboxylic acid anhydride;2,2'-Biphenyldicarboxylic anhydride;2,2'-Diphenic anhydride;2,2'-Diphenyldicarboxylic anhydride;Diphenic acid anhydride;NSC 116225;NSC67689; |
Article Data | 34 |
IUPAC Name: Benzo[d][2]benzoxepine-5,7-dione
Following is the structure of Dibenz[c,e]oxepin-5,7-dione (CAS NO.6050-13-1):
Empirical Formula: C14H8O3
Molecular Weight: 224.2115
EINECS: 227-950-0
Index of Refraction: 1.637
Molar Refractivity: 60.27 cm3
Molar Volume: 167.8 cm3
Density: 1.335 g/cm3
Flash Point: 212 °C
Surface Tension: 54 dyne/cm
Sensitive: Moisture Sensitive
Water Solubility: decomposes
Melting point: 225-227 °C(lit.)
Enthalpy of Vaporization: 67.84 kJ/mol
Boiling Point: 424 °C at 760 mmHg
Vapour Pressure: 2.14E-07 mmHg at 25 °C
Appearance: beige - white Crystalline Powder
Product Categories: Biphenyl derivatives; Anhydride Monomers; Monomers; Polymer Science
Canonical SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C(=O)OC2=O
InChI: InChI=1S/C14H8O3/c15-13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)14(16)17-13/h1-8H
InChIKey: RTSGJTANVBJFFJ-UHFFFAOYSA-N
Dibenz[c,e]oxepin-5,7-dione (CAS NO.6050-13-1) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39-7-8-24/25-37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
S7:Keep container tightly closed.
S8:Keep container dry.
S24/25:Avoid contact with skin and eyes.
S37:Wear suitable gloves.
WGK Germany: 3
Dibenz[c,e]oxepin-5,7-dione , its cas register number 6050-13-1. It also can be called Diphenic anhydride ; 2,2'-Diphenyldicarboxylic anhydride ; and 2,2'-Biphenyldicarboxylic anhydride .
Dibenz[c,e]oxepin-5,7-dione (CAS NO.6050-13-1) could be stable under normal temperatures and pressures. It should avoid the condition like incompatible materials, strong oxidants, exposure to moist air or water. It is not compatible with strong oxidizing agents, strong bases. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. However, its hazardous polymerization has not been reported.