Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
- CAS NO.：122640-83-9
- Empirical Formula: C16H18O6
- Molecular Weight: 306.31
- MDL number: MFCD23134595
- Update Date: 2026-05-28 04:28:31
What is Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride?
Chemical properties
off-white crystalline powder
Chemical properties
Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (HBPDA) is a dianhydride building block with a flexible bicyclohexyl core. The polyimides synthesized form dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride are often transparent, because of the flexible polymer backbones. Thus, it can be used as shielding layers in photovoltaics. The refractive index of the polyimides can be tuned by TiO2 fillers for matching the ZnO layer (the electron transport layer), to reduce the reflection losses at the ZnO interface.
The Uses of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
HBPDA is a polyimide precursor that is used to prepare polyimides by reaction with diamines and dianhydrides. And it is used in the formation of coatings on various materials including metals and plastics.
Properties of Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| Melting point: | 208 °C |
| Boiling point: | 544.0±50.0 °C(Predicted) |
| Density | 1.372±0.06 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Room Temperature |
| form | powder to crystal |
| color | White to Almost white |
Safety information for Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H334:Sensitisation, respiratory H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. P312:Call a POISON CENTER or doctor/physician if you feel unwell. P330:Rinse mouth. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
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