1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
- Product Name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
- CAS No.
- 2754-41-8
- Chemical Name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
- Synonyms
- HPMDA;H6-PDA;HPMDA CAS;Colorless Pi;Hpmda Powder;1,2,4,5-cyclohexanetetracarboxylic dianhyd;1,2,4,5-Cyclohexanetetracarboxylic anhydride;1,2,4,5-Cyclohexanetetrcarboxylic Dianhydride;Hydrogenated Terephthalic Dianhydride (HPMDA);1,2,4,5-Cyclohexanetetracarboxylic dianhydride
- CBNumber
- CB72484845
- Molecular Formula
- C10H8O6
- Formula Weight
- 224.17
- MOL File
- 2754-41-8.mol
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride Property
- Melting point:
- 240°C(lit.)
- Boiling point:
- 517.5±50.0 °C(Predicted)
- Density
- 1.567
- storage temp.
- under inert gas (nitrogen or Argon) at 2-8°C
- solubility
- soluble in Acetone
- form
- powder to crystal
- color
- White to Almost white
- InChI
- InChI=1S/C10H8O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h3-6H,1-2H2
- InChIKey
- LJMPOXUWPWEILS-UHFFFAOYSA-N
- SMILES
- O1C(=O)C2CC3C(CC2C1=O)C(=O)OC3=O
Safety
- HS Code
- 29321900
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
N-Bromosuccinimide Price
- Product number
- C2419
- Product name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
- Purity
- >98.0%(T)
- Packaging
- 5g
- Price
- $257
- Updated
- 2025/07/31
- Product number
- C2419
- Product name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
- Purity
- >98.0%(T)
- Packaging
- 25g
- Price
- $698
- Updated
- 2025/07/31
- Product number
- C2919
- Product name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride (purified by sublimation)
- Purity
- >98.0%(T)
- Packaging
- 1g
- Price
- $91
- Updated
- 2025/07/31
- Product number
- C2919
- Product name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride (purified by sublimation)
- Purity
- >98.0%(T)
- Packaging
- 5g
- Price
- $271
- Updated
- 2025/07/31
- Product number
- C991753
- Product name
- 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
- Packaging
- 1g
- Price
- $75
- Updated
- 2021/12/16
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride Chemical Properties,Usage,Production
Chemical Properties
White to Almost white powder to crystal.
Uses
1,2,4,5-Cyclohexanetetracarboxylic dianhydride can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly used in laboratory research and development and chemical and pharmaceutical production processes.
Application
HPMDA can be used to synthesize polyesters that have four branches (dianhydride is hydrolysed to four carboxylic acids) for multiple functionalities, such as biodegradability, bioimaging and photoactivity.
General Description
1,2,4,5-Cyclohexanetetracarboxylic dianhydride (HPMDA) has a cyclohexane centre with two carboxylic anhydrides substituents sitting opposite to each other. HPMDA reacts with amines for polyimides or alternatively with alcohols for polyesters. The non-aromatic cyclohexane centre provides local excited state to the synthesized photochromic polyimides showing large contrast of the photo-switching effect (compared to fully aromatized polyimides). The polyimides derived from 1,2,4,5-cyclohexanetetracarboxylic dianhydride exhibit high proton conductivity (0.2 ± 0.01 S/cm at 298 K and 95% related humidity). Like other polyimides, the polyimides have excellent chemical and thermal resistance and are used in optical fibre claddings and substrates for microelectronics.
Synthesis
In a 100 mL three-necked flask equipped with a thermometer, a magnetic stirrer, a water separator, and a condenser tube was added 9.64 g of hydrogenatedEthylbenzene tetracarboxylate, 1mL of concentrated sulfuric acid, 5mL of acetic acid and 50mL of xylene were heated to 130??C. During the reaction, the reaction temperature was maintained at reflux, and the reaction continuously removed water for 5 hours. , cooling down to room temperature, suction filtration, filter cake washed with acetone, dried at room temperature under reduced pressure to give white solid 1,2,4,5-cyclohexane tetracarboxylic acid anhydride 4.80g, yield: 82.8%.
Advantages
Alicyclic acid anhydrides have been used as raw materials for functional polyimides and functional epoxy resins. Among them, 1,2,4,5-cyclohexanetetracarboxylic dianhydride is used as a raw material for polyimide resins exhibiting particularly good heat resistance, solvent solubility, thermoplasticity, low water absorption, dimensional stability, and like.
References
[1] Patent: CN108069978, 2018, A. Location in patent: Paragraph 0027; 0033; 0034; 0050; 0058; 0074
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride Preparation Products And Raw materials
Raw materials
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View Lastest Price from 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride manufacturers
- Product
- 1,2,4,5-cyclohexanetetracarboxylic dianhydride (HPMDA) 2754-41-8
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- ≥99%
- Supply Ability
- 10MT
- Release date
- 2025-10-27
- Product
- HPMDA 2754-41-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2024-10-28
- Product
- HPMDA 2754-41-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2022-10-10