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A16529 3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

CAS Number
2421-28-5
Synonyms
BTDA
4,4'-Carbonyldiphthalic anhydride

Stock No. Size Price ($) Quantity Availability
A16529-22 100g 29.20
A16529-36 500g 74.20
A16529-A4 2.5kg 287.00
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3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 97+%

MDL
MFCD00005923
EINECS
219-348-1

Chemical Properties

Formula
C17H6O7
Formula Weight
322.23
Melting point
220-226°
Boiling Point
320°/5mm
Flash Point
324°(615°F)
Density
1.570
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Solubility
Soluble in DMF (0.1 g/mL). Reacts with water.

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.

Notes

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

Literature References

Horng-Long Tyan,; Kung-Hwa Wei,; Tsung-Eong Hsieh. Mechanical properties of clay-polyimide (BTDA-ODA) nanocomposites via ODA-modified organoclay. Journal of Polymer Science Part B: Polymer Physics. 2008, 38(44),2873-2878.

James F. Dezern. Synthesis and characterization of BTDA-based polyamide-imides. Journal of Polymer Science Part A: Polymer Chemistry. 1988, 26 (9), 2157-2169.

GHS Hazard and Precautionary Statements

Hazard Statements: H317-H319-H335

May cause an allergic skin reaction. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P272-P280-P302+P352-P304+P340-P305+P351+P338-P312-P333+P313-P337+P313-P363-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation or rash occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
761777
Harmonized Tariff Code
2918.30
TSCA
Yes

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