Cas no 790-83-0 (Diphenylmethane-4,4'-dicarboxylic Acid)

Diphenylmethane-4,4'-dicarboxylic acid is a high-purity aromatic dicarboxylic acid used primarily as a monomer or intermediate in polymer synthesis. Its rigid biphenyl structure contributes to enhanced thermal stability and mechanical properties in resulting materials, making it valuable for high-performance polyesters, polyamides, and liquid crystal polymers. The compound exhibits excellent resistance to hydrolysis and oxidative degradation, ensuring durability in demanding applications. Its symmetrical dicarboxyl functionality allows for efficient polymerization or derivatization, offering versatility in material design. The product is typically supplied as a fine crystalline powder with consistent purity (>98%), ensuring reproducible performance in research and industrial processes. Proper handling requires standard precautions for carboxylic acids.
Diphenylmethane-4,4'-dicarboxylic Acid structure
790-83-0 structure
Product Name:Diphenylmethane-4,4'-dicarboxylic Acid
CAS No:790-83-0
MF:C15H12O4
MW:256.253384590149
MDL:MFCD00060322
CID:562989
PubChem ID:314352
Update Time:2025-11-02

Diphenylmethane-4,4'-dicarboxylic Acid Chemical and Physical Properties

Names and Identifiers

    • Benzoicacid, 4,4'-methylenebis-
    • 4,4'-METHYLENEDIBENZOICACID
    • 4-[(4-carboxyphenyl)methyl]benzoic acid
    • DIPHENYLMETHANE-4,4'-DICARBOXYLIC ACID
    • 4,4'-dicarboxydiphenylmethane
    • 4,4'-methanediyl-dibenzoic acid
    • Benzoicacid,4,4'-methylenebis
    • p,p'-Methylenedibenzoic acid
    • Bis(4-carboxyphenyl)methane
    • Bis(p-carboxyphenyl)methane
    • Diphenylmethan-4,4'-dicarboxylic acid
    • AKOS025309996
    • E75811
    • 790-83-0
    • DIPHENYLMETHANE-4,4-DICARBOXYLICACID
    • DTXSID30310785
    • CS-0157581
    • 4,4'-methylenedibenzoic acid
    • MFCD00060322
    • FT-0676246
    • BS-48967
    • 4-[(4-4,4'-Methylenedibenzoic acidcarboxyphenyl)methyl]benzoic acid
    • SCHEMBL68390
    • Benzoicacid,4,4'-methylenebis-
    • A839577
    • 4,4′-Methylenebis[benzoic acid] (ACI)
    • Benzoic acid, 4,4′-methylenedi- (6CI, 7CI, 8CI)
    • 4,4′-Methylenebis(benzoic acid)
    • 4,4′-Methylenedibenzoic acid
    • Diphenylmethane-4,4′-dicarboxylic acid
    • Diphenylmethane-4,4 inverted exclamation marka-dicarboxylic acid
    • Diphenylmethane-4,4'-dicarboxylic Acid
    • MDL: MFCD00060322
    • Inchi: 1S/C15H12O4/c16-14(17)12-5-1-10(2-6-12)9-11-3-7-13(8-4-11)15(18)19/h1-8H,9H2,(H,16,17)(H,18,19)
    • InChI Key: VTDMBRAUHKUOON-UHFFFAOYSA-N
    • SMILES: O=C(C1C=CC(CC2C=CC(C(O)=O)=CC=2)=CC=1)O

Computed Properties

  • Exact Mass: 256.07400
  • Monoisotopic Mass: 256.07355886g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 19
  • Rotatable Bond Count: 4
  • Complexity: 291
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 2.7
  • Topological Polar Surface Area: 74.6?2

Experimental Properties

  • Density: 1.321
  • Melting Point: 346 °C
  • Boiling Point: 485.2±38.0 °C at 760 mmHg
  • Flash Point: 261.3±23.3 °C
  • PSA: 74.60000
  • LogP: 2.67380
  • Vapor Pressure: 0.0±1.3 mmHg at 25°C

Diphenylmethane-4,4'-dicarboxylic Acid Security Information

Diphenylmethane-4,4'-dicarboxylic Acid Customs Data

  • HS CODE:2916399090
  • Customs Data:

    China Customs Code:

    2916399090

    Overview:

    2916399090 Other aromatic monocarboxylic acids. VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:6.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, Acrylic acid\Acrylates or esters shall be packaged clearly

    Summary:

    2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Diphenylmethane-4,4'-dicarboxylic Acid Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SHANG HAI XIAN DING Biotechnology Co., Ltd.
003369-1g
Diphenylmethane-4,4'-dicarboxylic acid
790-83-0 97+%
1g
421CNY 2021-05-08
SHANG HAI XIAN DING Biotechnology Co., Ltd.
003369-5g
Diphenylmethane-4,4'-dicarboxylic acid
790-83-0 97+%
5g
1169CNY 2021-05-08
Alichem
A019097880-100g
4,4'-Methylenedibenzoic acid
790-83-0 97%
100g
$677.31 2023-09-01
Fluorochem
018645-1g
Diphenylmethane-4,4'-dicarboxylic acid
790-83-0 97%
1g
£24.00 2022-02-28
Fluorochem
018645-5g
Diphenylmethane-4,4'-dicarboxylic acid
790-83-0 97%
5g
£69.00 2022-02-28
Fluorochem
018645-25g
Diphenylmethane-4,4'-dicarboxylic acid
790-83-0 97%
25g
£334.00 2022-02-28
SHANG HAI XIAN DING Biotechnology Co., Ltd.
003369-1g
Diphenylmethane-4,4'-dicarboxylic Acid
790-83-0 97+%
1g
421.0CNY 2021-07-13
SHANG HAI XIAN DING Biotechnology Co., Ltd.
003369-5g
Diphenylmethane-4,4'-dicarboxylic Acid
790-83-0 97+%
5g
1169.0CNY 2021-07-13
SHANG HAI XIAN DING Biotechnology Co., Ltd.
B-PQ399-5g
Diphenylmethane-4,4'-dicarboxylic Acid
790-83-0 97%
5g
1403.0CNY 2021-07-13
SHANG HAI XIAN DING Biotechnology Co., Ltd.
B-PQ399-1g
Diphenylmethane-4,4'-dicarboxylic Acid
790-83-0 97%
1g
416.0CNY 2021-07-13

Diphenylmethane-4,4'-dicarboxylic Acid Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Sodium hypobromite Solvents: 1,4-Dioxane ;  rt; 24 h, 60 °C
1.2 Reagents: Sodium thiosulfate Solvents: Water
1.3 Reagents: Hydrochloric acid Solvents: Water ;  acidified
Reference
Intrinsically Porous Dual-Responsive Polydiacetylenes Based on Tetrahedral Diacetylenes
Jeong, Woomin; Khazi, Mohammed Iqbal; Lee, Dong Geol; Kim, Jong-Man, Macromolecules (Washington, 2018, 51(24), 10312-10322

Production Method 2

Reaction Conditions
1.1 Reagents: Permanganic acid (HMnO4), potassium salt (1:1)
Reference
Reaction of diphenylmethane-4,4'-bis(diazonium chloride) and diphenyl sulfide-4,4'-bis(diazonium chloride) with 1,3-butadiene, isoprene, and chloroprene
Grishchuk, B. D.; Ganushchak, N. I., Izvestiya Vysshikh Uchebnykh Zavedenii, 1980, 23(10), 1210-12

Diphenylmethane-4,4'-dicarboxylic Acid Raw materials

Diphenylmethane-4,4'-dicarboxylic Acid Preparation Products

Diphenylmethane-4,4'-dicarboxylic Acid Suppliers

Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:790-83-0)Diphenylmethane-4,4'-dicarboxylic Acid
Order Number:A839577
Stock Status:in Stock
Quantity:25g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 06:46
Price ($):524.0

Additional information on Diphenylmethane-4,4'-dicarboxylic Acid

Diphenylmethane-4,4'-dicarboxylic Acid (CAS No. 790-83-0): Properties, Applications, and Market Insights

Diphenylmethane-4,4'-dicarboxylic acid (CAS No. 790-83-0) is a high-value aromatic dicarboxylic acid widely used in polymer synthesis, specialty chemicals, and advanced material applications. This white crystalline powder, with a molecular formula of C15H12O4, has gained significant attention in recent years due to its unique structural properties and versatility in industrial applications.

The compound features two carboxyl groups attached to a diphenylmethane core, making it an excellent building block for high-performance polymers. Researchers particularly value its thermal stability (decomposition temperature >300°C) and solubility characteristics, which enable diverse chemical modifications. Current studies focus on its role in developing sustainable polymer alternatives, aligning with the global push for eco-friendly materials.

In material science, Diphenylmethane-4,4'-dicarboxylic acid derivatives show promise for creating novel polyesters and polyamides with enhanced mechanical properties. The compound's rigid aromatic structure contributes to improved heat resistance and dimensional stability in final products. Recent patent filings (2022-2023) highlight its growing use in high-temperature adhesives and electronic encapsulation materials, addressing industry demands for more durable components.

The pharmaceutical sector has shown renewed interest in 790-83-0 CAS compounds as potential intermediates for drug development. Its symmetrical structure allows for precise molecular design, particularly in creating targeted drug delivery systems. Analytical studies using HPLC and GC-MS confirm its high purity (>99%), making it suitable for sensitive applications.

Market analysis indicates steady growth (CAGR 5.8%) for diphenylmethane dicarboxylate derivatives through 2028, driven by demand in Asia-Pacific electronics manufacturing. Environmental regulations favoring halogen-free flame retardants have further boosted adoption. Manufacturers now offer customized particle sizes and purity grades to meet specific industry requirements.

From a synthesis perspective, modern production methods for 4,4'-dicarboxydiphenylmethane emphasize greener processes with reduced solvent usage. Recent process optimizations have improved yields to 85-90% while minimizing byproducts. Quality control protocols typically include FTIR spectroscopy and melting point determination (standard range 245-248°C) to ensure batch consistency.

Storage recommendations for Diphenylmethane-4,4'-dicarboxylic Acid powder include keeping containers tightly sealed in dry, cool conditions. While stable under normal temperatures, material safety data sheets recommend standard organic acid handling precautions. The compound's low volatility and minimal environmental impact contribute to its favorable safety profile compared to alternative aromatic acids.

Emerging research explores the compound's potential in energy storage applications, particularly as a precursor for organic electrode materials. Its redox-active properties and structural stability make it interesting for next-generation battery technologies. These developments align with current searches for "sustainable battery materials" and "organic energy storage solutions," reflecting industry trends.

Technical specifications typically include: acid value (theoretical 534 mg KOH/g), bulk density (~0.6 g/cm3), and solubility parameters (soluble in polar aprotic solvents). Suppliers frequently provide analytical certificates with detailed impurity profiles, responding to growing customer demand for transparent quality documentation.

The global supply chain for CAS 790-83-0 has stabilized after pandemic-related disruptions, with multiple qualified producers in China, Europe, and North America. Current pricing trends reflect balanced supply-demand dynamics, though specialty grades command premium values. Industry conferences increasingly feature sessions on diphenylmethane-based polymers, indicating sustained technical interest.

For researchers considering this compound, recent literature suggests promising results in copolymer systems with enhanced UV resistance—a property attracting attention in outdoor material applications. The compound's compatibility with various diols and diamines enables tailored material properties, answering frequent search queries about "customizable polymer building blocks."

Environmental testing indicates favorable biodegradation profiles for polymers derived from Diphenylmethane-4,4'-dicarboxylic Acid, particularly when combined with certain aliphatic comonomers. This characteristic supports its selection in projects targeting circular economy objectives, a hot topic in material science discussions.

Quality differentiation among suppliers increasingly focuses on trace metal content (<10 ppm typically) and crystalline morphology control. Advanced characterization techniques like X-ray diffraction help verify structural purity, addressing quality concerns raised in academic and industrial forums.

Future development directions may include exploring the compound's use in covalent organic frameworks (COFs) and other porous materials—an area generating numerous scholarly citations. These applications leverage the molecule's precise geometry and functional group positioning, matching current research interests in "designer molecular architectures."

Recommended suppliers
Amadis Chemical Company Limited
(CAS:790-83-0)Diphenylmethane-4,4'-dicarboxylic Acid
A839577
Purity:99%
Quantity:25g
Price ($):524.0
Email