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Alfa Aesar™ 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

$39.47 - $376.99

Chemical Identifiers

Chemical Name or Material 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS 2421-28-5
Molecular Formula C17H6O7
Formula Weight 322.23g/mol
MDL Number MFCD00005923
Beilstein 761777
Synonym BTDA; 4,4'-Carbonyldiphthalic anhydride
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1652922

 
alfa aesar™
A16529-22
100g Each for $39.47

AAA1652936

 
alfa aesar™
A16529-36
500g Each for $107.07

AAA16529A4

 
alfa aesar™
A16529-A4
2.5kg Each for $376.99
Description & Specifications

Specifications

Boiling Point 320°C (5mmHg)
Melting Point 220° to 226°C
Quantity 100g
Flash Point 324°C (615°F)
Chemical Name or Material 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS 2421-28-5
Assay ≥97%
Molecular Formula C17H6O7
Formula Weight 322.23g/mol
MDL Number MFCD00005923
Beilstein 761777
Synonym BTDA; 4,4'-Carbonyldiphthalic anhydride
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H319-H335
Causes serious eye irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
TSCA TSCA

Applications
BTDA polymer fine free-flowing powder suitable for general purposes. BTDA Microfine Micronized powder facilitates mixing in epoxy resins. BTDA ultrapure high-purity, high-assay powder for critical polyimide synthesis.

Solubility
Soluble in DMF (0.1 g/mL). Reacts with water.

Notes
Moisture Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Safety and Handling

Warning

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H319-H335
Causes serious eye irritation.
May cause respiratory irritation.