ChemicalBook > CAS DataBase List > 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride

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;1,2,4,5-Cyclohexanetetracarboxylic dianhydride;1,2,4,5-Cyclohexanetetracarboxylic Dianhydride >
CBNumber
CB72484845
Molecular Formula
C10H8O6
Formula Weight
224.17
MOL File
2754-41-8.mol
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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
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Safety

HS Code 
29321900
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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.

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N-Bromosuccinimide Price

TCI Chemical
Product number
C2419
Product name
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
Purity
>98.0%(T)
Packaging
5g
Price
$257
Updated
2024/03/01
TCI Chemical
Product number
C2419
Product name
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
Purity
>98.0%(T)
Packaging
25g
Price
$698
Updated
2024/03/01
TCI Chemical
Product number
C2919
Product name
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride (purified by sublimation)
Purity
>98.0%(T)
Packaging
1g
Price
$91
Updated
2024/03/01
TCI Chemical
Product number
C2919
Product name
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride (purified by sublimation)
Purity
>98.0%(T)
Packaging
5g
Price
$271
Updated
2024/03/01
TRC
Product number
C991753
Product name
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride
Packaging
1g
Price
$75
Updated
2021/12/16
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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.

1,2,4,5-Cyclohexanetetracarboxylic Dianhydride Preparation Products And Raw materials

Raw materials

Preparation Products

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1,2,4,5-Cyclohexanetetracarboxylic Dianhydride Suppliers

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View Lastest Price from 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride manufacturers

Hebei Weibang Biotechnology Co., Ltd
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
Hebei Chuanghai Biotechnology Co,.LTD
Product
Hpmda Powder 2754-41-8
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-23
CHINATECH(TIANJIN) CHEMICAL CO.,LTD.
Product
1,2,4,5-cyclohexanetetracarboxylic dianhydride (HPMDA) 2754-41-8
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
≥99%
Supply Ability
10MT
Release date
2021-12-15

2754-41-8, 1,2,4,5-Cyclohexanetetracarboxylic DianhydrideRelated Search:

Hydrocortisone-17-butyrate 1,2-Bis(isocyanatomethyl)benzene 1,2,3,4-TETRA-O-ACETYL-L-FUCOPYRANOSE BTQBT (purified by subliMation) bicyclo[2.2.1]heptanebis(methylamine)

  • 1,2,4,5-Cyclohexanetetracarboxylic acid dianhydride
  • 1,2,4,5-Cyclohexanetetrcarboxylic Dianhydride
  • 1,2,4,5-Cyclohexanetertracarboxylicdianhydride(HPMDA)
  • 1,2,4,5-Cyclohexanetetracarboxylic dianhydride
  • HPMDA
  • Tetrahydrobenzo[1,2-c:4,5-c']difuran-1,3,5,7(3aH,7aH)-tetraone
  • Colorless Pi
  • 1,2,4,5-cyclohexanetetrcarboxylic dianhydride(HPMDA)
  • 1,2,4,5-cyclohexanetetracarboxylic dianhydride (HPMDA)
  • 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride (purified by sublimation)
  • 3a,4,4a,7a,8,8a-hexahydrofuro[3,4-f][2]benzofuran-1,3,5,7-tetrone
  • hexahydro-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone
  • Tetrahydrobenzo[1,2-c:4,5-c']difuran-1,3,5,7(3aH,7aH)
  • 1,2,4,5-cyclohexanetetracarboxylic dianhyd
  • 1,2,4,5-Cyclohexanetetracarboxylic Dianhydride &gt
  • H6-PDA
  • 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone, hexahydro-
  • HPMDA/1,2,4,5-Cyclohexanetetracarboxylic dianhydride
  • 1,2,4,5-CYCLOHEXANETETRACARBOXYLIC DIANHYDRIDE (HPMDA)2754-41-8
  • 1,2,4,5-Cyclohexanetetracarboxylic acid dianhydride (HPMDA)
  • 1,2,4,5-Cyclohexaneteracarboxylic Acid Dianhydride
  • Hpmda Powder
  • 1,2,4,5-Cyclohexanetetracarboxylic anhydride
  • HPMDA CAS
  • 1,2,4,5-Cyclohexanetetracarboxyic acid dianhydride
  • 2754-41-8
  • 2754-41-8