CAS RN: 2421-28-5 | Product Number: B4260
3,3',4,4'-Benzophenonetetracarboxylic Dianhydride (purified by sublimation)
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|Purity / Analysis Method||>98.0%(GC)|
|Molecular Formula / Molecular Weight||C__1__7H__6O__7 = 322.23|
|Physical State (20 deg.C)||Solid|
|Store Under Inert Gas||Store under inert gas|
|Condition to Avoid||Moisture Sensitive|
|Reaxys Registry Number||761777|
|PubChem Substance ID||253661496|
|SDBS (AIST Spectral DB)||7780|
|Appearance||White to Light yellow powder to crystal|
|Purity(GC)||min. 98.0 %|
|Purity(Morpholine Method)||min. 96.0 %|
|Melting point||225.0 to 229.0 °C|
|Melting Point||227 °C|
|Maximum Absorption Wavelength||580(CH3CN) nm|
|Solubility (very soluble in)||Dimethylformamide|
|Solubility (soluble in)||Tetrahydrofuran,Acetone|
|Hazard Statements||H319 : Causes serious eye irritation.
H335 : May cause respiratory irritation.
|Precautionary Statements||P501 : Dispose of contents/ container to an approved waste disposal plant.
P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P405 : Store locked up.
|Chemical Substance Law (ENCS)||
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