(BPADA) - ≥99.5% , CAS No.38103-06-9

CAS: 38103-06-9 Cat. No.: B1507222 Molecular Weight: 520.49 EC Number: 253-781-7

GRADE & PURITY ≥99.5%

Synonyms

4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride (BPADA)

Storage

Room temperature,Argon charged,Desiccated

Shipped In

Normal

Specifications

Synonyms

4, 4'-(4, 4'-Isopropylidenediphenoxy)diphthalic Anhydride (BPADA)

Specifications & Purity

≥99.5%

Storage

Room temperature, Argon charged, Desiccated

Shipped In

Normal

Purity

≥99.5%

Names and Identifiers

• Canonical Smiles: CC(C)(C1=CC=C(OC2=CC3=C(C=C2)C(=O)OC3=O)C=C1)C1=CC=C(OC2=CC3=C(C=C2)C(=O)OC3=O)C=C1
• IUPAC Name: 5,5'-{Propane-2,2-diylbis[(4,1-phenylene)oxy]}di(2-benzofuran-1,3-dione)
• InChIKey: MQAHXEQUBNDFGI-UHFFFAOYSA-N
• INCHI: InChI=1S/C31H20O8/c1-31(2,17-3-7-19(8-4-17)36-21-11-13-23-25(15-21)29(34)38-27(23)32)18-5-9-20(10-6-18)37-22-12-14-24-26(16-22)30(35)39-28(24)33/h3-16H,1-2H3
• Isomeric SMILES: CC(C)(C1=CC=C(C=C1)OC2=CC3=C(C=C2)C(=O)OC3=O)C4=CC=C(C=C4)OC5=CC6=C(C=C5)C(=O)OC6=O
• WGK Germany: 3
• RTECS: NP7227500
• Molecular Weight: 520.49
• Reaxy-Rn: 6254436
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6254436&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Benzene and substituted derivatives
      • Subclass Diphenylmethanes

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Benzene and substituted derivatives
• Subclass: Diphenylmethanes
• Intermediate Tree Nodes: Not available
• Direct Parent: Diphenylmethanes
• Alternative Parents: Tetracarboxylic acids and derivatives Phthalic anhydrides Diarylethers Isobenzofuranones Phenylpropanes Phenoxy compounds Phenol ethers Carboxylic acid anhydrides Oxacyclic compounds Organic oxides Hydrocarbon derivatives
• Molecular Framework: Aromatic heteropolycyclic compounds
• Substituents: Diphenylmethane - Tetracarboxylic acid or derivatives - Diaryl ether - Phthalic_anhydride - Phthalic anhydride - Benzofuranone - Isobenzofuranone - Phenylpropane - Isocoumaran - Phenol ether - Phenoxy compound - Carboxylic acid anhydride - Oxacycle - Organoheterocyclic compound - Ether - Carboxylic acid derivative - Hydrocarbon derivative - Organic oxygen compound - Organooxygen compound - Organic oxide - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as diphenylmethanes. These are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Sensitivity: Moisture sensitive
• Boil Point(°C): 712.3±60.0 °C(Predicted)
• Melt Point(°C): 184-187 °C(lit.)

References

1. Xue Li, Ling Weng, Xiaoming Wang, Ze Li, Yuhan Li, Xiaorui Zhang, Lizhu Guan, Zijian Wu.  (2025)  200 °C-Stable Dielectric Polymer Enabled by Molecular-Scale Carrier Trapping: Synergy of Steric Hindrance and Deep Energy Level Engineering.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202512257]

2. Chunying Min, Yaxiang Su, Hang Yu, Hongyu Liang.  (2025)  Synergistic strengthening and toughening of the recyclable polyhexahydrotriazine (PHT) crosslinked polyimide by constructing rigid-flexible structure for tribology application.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2025.111098]

3. Zheng Liu, Tianze Wang, Lixue Zhu, Zhenhua Jiang, Yunhe Zhang.  (2023)  In-situ crosslinked polyetherimide/BNNS composites with ultrahigh charged-discharged efficiency at high temperature.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2023.107829]

4. Xinzuo Huang, Rongxiang Hu, Fenghua Zhang, Yanju Liu, Jinsong Leng.  (2023)  Transparent shape memory polyimide enables OLED for smart deformation.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2023.107781]

5. Shimo Cao, Hui Tong, Silin Wang, Junbiao Liu.  (2023)  Novel Polyetherimide Dielectrics: Molecular Design, Energy Storage Property, and Self-Healing Performance.  MACROMOLECULAR RAPID COMMUNICATIONS,  44  (22): (2300372).  [PMID:37689977] [10.1002/marc.202300372]

6. Hong Li, Xiyan Li, Jiali Yu, Yadong Li, Zhigang Wang, Feng Bao, Caizhen Zhu, Jian Xu.  (2023)  Preparation of fluorinated poly(benzoxazole-co-imide) with low dielectric constants based on the thermal rearrangement reaction of o-hydroxy polyimides.  Journal of Materials Chemistry C,      [PMID:] [10.1039/D3TC04195F]

7. Jing Zhang, Yaoming Zhang, Liming Tao, Tingmei Wang, Qihua Wang.  (2023)  Integrated printing of high-strength, high-shape-retaining polyimide and its composite gradient structures for enhanced tribological properties.  Additive Manufacturing,      [PMID:] [10.1016/j.addma.2023.103440]

8. Lixue Zhu, Zilong Zheng, Wenhan Xu, Yadong Tang, Hongyan Yao, Yunhe Zhang, Zhenhua Jiang.  (2022)  Optimizing high-temperature capacitive energy storage performance by constructing crosslinked structure in self-crosslinkable polyetherimides.  Materials Today Energy,      [PMID:] [10.1016/j.mtener.2022.101145]

9. Baoquan Wan, Ming-Sheng Zheng, Xing Yang, Xiaodi Dong, Yuchao Li, Yiu-Wing Mai, George Chen, Jun-Wei Zha.  (2022)  Recyclability and Self-Healing of Dynamic Cross-Linked Polyimide with Mechanical/Electrical Damage.  Energy & Environmental Materials,  6  (1): (e12427).  [PMID:] [10.1002/eem2.12427]

10. Lixue Zhu, Yu Zhang, Wenhan Xu, Xuanbo Zhu, Sen Niu, Yunhe Zhang, Zhenhua Jiang.  (2022)  Crosslinked polyetherimide nanocomposites with superior energy storage achieved via trace Al2O3 nanoparticles.  COMPOSITES SCIENCE AND TECHNOLOGY,      [PMID:] [10.1016/j.compscitech.2022.109421]

11. Chunhong Zhang, Qingtao Lv, Yanjian Liu, Chao Wang, Qiang Wang, Hao Wei, Lijia Liu, Junqing Li, Hongxing Dong.  (2021)  Rational design and fabrication of lightweight porous polyimide composites containing polyaniline modified graphene oxide and multiwalled carbon nanotube hybrid fillers for heat-resistant electromagnetic interference shielding.  POLYMER,      [PMID:] [10.1016/j.polymer.2021.123742]

12. Xinzuo Huang, Fenghua Zhang, Jinsong Leng.  (2020)  Metal mesh embedded in colorless shape memory polyimide for flexible transparent electric-heater and actuators.  Applied Materials Today,      [PMID:] [10.1016/j.apmt.2020.100797]

13. Xinzuo Huang, Fenghua Zhang, Yanju Liu, Jinsong Leng.  (2019)  Flexible and colorless shape memory polyimide films with high visible light transmittance and high transition temperature.  Smart Materials and Structures,  28  (5): (055031).  [PMID:] [10.1088/1361-665X/ab115f]

14. Xianhui Dong, Yan Wang, Yutong Cao, Na Li, Jiabin Fu, Yan Wang, Junrong Yu, Zuming Hu.  (2024)  Enhanced high-temperature energy storage performance in all-organic dielectric films through synergistic crosslinking of chemical and physical interaction.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.157312]

15. Li Tan, Jiufeng Dong, Li Li, Chengyuan Wang, Yuqi Liu, Yujuan Niu, Zizhao Pan, Liang Sun, Hong Wang.  (2024)  In Situ polymerized polyetherimide/Al2O3 nanocomposites with significantly improved capacitive energy storage performance at high temperatures.  Journal of Materiomics,      [PMID:] [10.1016/j.jmat.2024.03.001]

16. Zeyu Ning, Zhuo Wang, Ting Zhao, Ronghui Ye, Jinteng Kang, Zhuang Liu, JiaoJiao Wang.  (2024)  Polyetherimide copolymer film with room-temperature self-healing properties and high breakdown field strength.  CERAMICS INTERNATIONAL,      [PMID:] [10.1016/j.ceramint.2024.10.252]

17. Lijian Liu, Haihua Wang, Xixi Hao, Qinghua Zhang, Guiqiang Fei, Yihao Duan, Liyu Sun.  (2024)  Robust superhydrophobic bilayer coating: Long-term anti-corrosion and anti-fouling resistance enabled by POSS star cross-linking and fluoride-modified SiO2 nanoparticles specific synergies.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2024.108919]

18. Hui Liu, Huimin Qi, Song Li, Zenghui Yang, Ga Zhang, Gai Zhao, Yafeng Zhang, Jiaxin Yu.  (2024)  Tribological mechanism based on tribo-chemistry and molecular dynamics of polyurea/polyimide shape memory copolymers at high temperature.  TRIBOLOGY INTERNATIONAL,      [PMID:] [10.1016/j.triboint.2024.110103]

19. Junhao Xie, Hao Wu, Jinqiu Tao, Zhou Lu, Xudong Liu, Yunbo Tong, Shenzhen Li, Shuai Qi, Qianping Ran.  (2025)  Meniscus-Inspired Segmented Network Intercalation Strategy: Stiffened yet Toughened Toward Healable Antifouling Materials.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202503647]

20. Xiaoqing Sun, Chongwen Yu, Xingyao Liu, Taolve Wang, Xigao Jian, Yujie Song, Jian Xu.  (2025)  Soluble polyimide-based colorless-to-orange–red switching electrochromic film by incorporating universal joint-like structure.  Polymer Chemistry,      [PMID:] [10.1039/D5PY00149H]

21. Ke Yang Ni, De Li, Jun Bian, Ai Ping Zhang, Shang Ke Yang, Ke Cheng Yang, Hai Lan Lin, Dai Qiang Chen.  (2025)  High-temperature resistant polyetherimide dielectric nanocomposite films reinforced with polyurea-coated boron nitride nanosheets with core-shell structure.  POLYMER COMPOSITES,      [PMID:] [10.1002/pc.29859]

22. Tianze Wang, Hui Chi, Danying Zhao, Qitong Wang, Zhenhua Jiang, Yunhe Zhang.  (2025)  A long-range ordered boron nitride/polyimide thermal interface material was designed based on the lamellar structure of crepe cake.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.162664]

23. Bowen Zheng, Jing Li, Ning Li, Wa Li, Shuai Zhang, Haile Lei.  (2025)  Soluble Photosensitive Polyimide Precursor with Bisphenol A Framework: Synthesis and Characterization.  Polymers,  17  (11): (1428).  [PMID:40508671] [10.3390/polym17111428]

24. Changbo Xie, Jing Zhang, Zhiqiang Shan, Chaowang Guo, Liming Tao, Yaoming Zhang, Tingmei Wang, Qihua Wang.  (2025)  NIR-triggered rapid self-healing polyimide with on-demand tunable friction properties.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164571]

25. Xu Zhang, Lijun Liu, Lili Zhang, Xiaoyun Li, Qian Chen, Qin Wang, Huanting Li, Yuhua Zhao, Junwei Wang, Maoqing Kang, Shouchun Zhang, Qifeng Li.  (2025)  Nanoscale Phase Separation in Semi-Interpenetrating Poly(urethane-imide)/Epoxy Networks: A Synergistic Strategy for High Toughness and Thermal Stability.  POLYMER,      [PMID:] [10.1016/j.polymer.2025.128711]

26. Xiaofan Song, Yanan Duan, Daomin Min, Jinghui Gao, Shihang Wang, Kai Zhang, Xiaoyu Qin.  (2025)  Enhanced high-temperature energy storage of polyetherimide nanocomposites via bonding molecular chains and reducing excitation entropy.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2025.118716]

27. Xianhui Dong, Yan Wang, Shubin Song, Jiabin Fu, Na Li, Yan Wang, Junrong Yu, Zuming Hu.  (2025)  Enhanced high-temperature energy storage of a bilayer-structured dielectric composite through constructing MgO inorganic coating.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2025.119125]

28. Xu Tong, Xue Zhang, Guoqing Qu, Zhiqi Zhou, Tiandong Zhang, Tongqin Zhang, Jiaqi Zhang, Chao Wang, Changhai Zhang, Yue Zhang, Yongquan Zhang, Qingguo Chi.  (2025)  Achieving enhanced synergistic energy storage performance of polyetherimide for high-temperature capacitors through a dual-trap modulation mechanism.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.171221]

29. Jiufeng Dong, Haoxiang Zhao, Anda Wang, Yujuan Niu, Shuoyan Liu, Liang Sun, Yuqi Liu, Zizhao Pan, Qing Wang, Hong Wang.  (2025)  Molecularly constrained conformation engineering suppresses charge hopping in polyetherimide for superior capacitive storage at elevated temperatures.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.170158]

30. Yukun Shi, Chuying Zhang, Na Zhang, Jiajia Xue, Shuyang Zhou, Hao Teng, Jinbo Bai, Hang Zhao.  (2025)  Improved high-temperature energy storage performance of composite dielectrics via optimizing the interface of nano-alumina/polyimide.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2025.119920]

31. Chunying Min, Yijie Yang, Hongyu Liang, Amna Siddique, Zhiwei Xu.  (2025)  Mechanical and Tribological Enhancement of Carbon Fiber/Poly(Hexahydrotriazine) Composites via Modulus Gradient Zinc Oxide@Zeolitic Imidazolate Framework-8 Array Interphase.  POLYMER COMPOSITES,      [PMID:] [10.1002/pc.70783]

32. Chen Chuanli, Yang Yuezhen, Zhang Lutong, Dai Wenbo, Lei Yunxiang, Liu Miaochang, Wu Huayue, Huang Xiaobo, Yan Dongpeng.  (2026)  Multiple hydrogen bonding enables large-area doped phosphorescent glasses with robust stability and high-temperature afterglow.  Nature Communications,      [PMID:41547867] [10.1038/s41467-026-68590-2]

33. Xueying Wu, Baoyue Zhang, Peipei Xu, Baijie Cheng, Ruixue Wang, Shanyi Guang, Hongyao Xu.  (2026)  Structure-directed and filler-assisted strategy for high thermal conductivity, low dielectric porous triazole-imide films.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2026.109993]

34. Jinquan Yang, Yanli Cui, Nan Zhang, Yaoming Zhang, Shoubin Chen, Jianming Li, Xinrui Zhang, Tingmei Wang, Zenghui Yang, Qihua Wang.  (2026)  Reprocessable and Closed-Loop Recyclable Bio-Based Cross-Linked Polyimide Composites Towards Regeneration.  POLYMER COMPOSITES,      [PMID:] [10.1002/pc.70930]