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Appearance:Needles or Crystalline Powder
Throughput:100|Kilogram|Day
pd_productuse:intermediate
Delivery Time:in stock
Purity:99%
Product Name: 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS: 2421-28-5
MF: C17H6O7
MW: 322.23
EINECS: 219-348-1
Mol File: 2421-28-5.mol
3,3',4,4'-Benzophenonetetracarboxylic dianhydride Structure
3,3',4,4'-Benzophenonetetracarboxylic dianhydride Chemical Properties
Melting point 218-222 °C (lit.)
Boiling point 320°C 5mm
density 1,57 g/cm3
vapor density 1.4 (vs air)
vapor pressure <0.1 mm Hg ( 0 °C)
refractive index 1.6380 (estimate)
Fp 324 °C
solubility DMF: 0.1 g/mL, clear
form Needles or Crystalline Powder
color Off-white to brown
explosive limit 16%
Water Solubility REACTS
λmax 580nm(CH3CN)(lit.)
Sensitive Moisture Sensitive
Sublimation 220-230 ºC
BRN 761777
InChIKey VQVIHDPBMFABCQ-UHFFFAOYSA-N
NIST Chemistry Reference Bis-(3-phthalyl anhydride) ketone(2421-28-5)
EPA Substance Registry System Benzophenonetetracarboxylic dianhydride (2421-28-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/37
Safety Statements 25
WGK Germany 1
F 21
Autoignition Temperature 975 °F
TSCA Yes
HS Code 29183000
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