Cas no 626-19-7 (Isophthaldehyde)

Isophthalaldehyde (CAS 626-19-7) is an aromatic dialdehyde with the molecular formula C8H6O2, featuring two aldehyde groups in the meta position on a benzene ring. This compound is widely utilized as a key intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty polymers. Its high reactivity and bifunctional nature enable efficient crosslinking and condensation reactions, making it valuable for synthesizing heterocyclic compounds and resins. Isophthalaldehyde is also employed in the manufacture of corrosion inhibitors and liquid crystal materials. The compound exhibits good thermal stability and solubility in common organic solvents, facilitating its integration into diverse industrial processes. Proper handling is required due to its potential irritant properties.
Isophthaldehyde structure
Isophthaldehyde structure
Product Name:Isophthaldehyde
CAS No:626-19-7
MF:C8H6O2
MW:134.13204240799
MDL:MFCD00003372
CID:39201
PubChem ID:24881363
Update Time:2025-05-19

Isophthaldehyde Chemical and Physical Properties

Names and Identifiers

    • Isophthalaldehyde
    • 1,3-Benzenedialdehyde
    • Isophthalic dicarboxaldehyde
    • m-Phthalaldehyde
    • Isophtaladehyde
    • Benzene-1,3-dicarboxaldehyde
    • m-Phthaldialdehyde
    • benzene-1,3-dicarbaldehyde
    • Isophthaldialdehyde
    • 1,3-Benzenedicarboxaldehyde
    • Isophthaldehyde
    • Isophtaldehydes
    • Isophtaldehydes [French]
    • 3-Phthalaldehyde
    • LU162B2N9X
    • IZALUMVGBVKPJD-UHFFFAOYSA-N
    • Isophthalaldehyde, 99%
    • isophtalaldehyde
    • 1,3-diformylbenzene
    • PubChem17622
    • Isophthalaldehyde, 97%
    • Benzene 1,3 dica
    • MDL: MFCD00003372
    • Inchi: 1S/C8H6O2/c9-5-7-2-1-3-8(4-7)6-10/h1-6H
    • InChI Key: IZALUMVGBVKPJD-UHFFFAOYSA-N
    • SMILES: O=CC1C=CC=C(C=O)C=1
    • BRN: 1561038

Computed Properties

  • Exact Mass: 134.03700
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 2
  • Complexity: 117
  • 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
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 1.2
  • Topological Polar Surface Area: 34.1

Experimental Properties

  • Color/Form: Slightly white powder.
  • Density: 1.1603 (rough estimate)
  • Melting Point: 87-88?°C (lit.)
  • Boiling Point: 136°C/13mmHg(lit.)
  • Flash Point: 136℃/17mm
  • Refractive Index: 1.4800 (estimate)
  • Water Partition Coefficient: Slightly soluble in water.
  • Stability/Shelf Life: Stable. Combustible. Incompatible with strong oxidizing agents.
  • PSA: 34.14000
  • LogP: 1.31160
  • Sensitiveness: Air Sensitive
  • Solubility: Slightly soluble in water.

Isophthaldehyde Security Information

Isophthaldehyde Customs Data

  • HS CODE:2912299000
  • Customs Data:

    China Customs Code:

    2912299000

    Overview:

    2912299000. Other cyclic aldehydes without other oxygen-containing groups. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:5.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, Appearance of tetraformaldehyde

    Summary:

    2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Isophthaldehyde Pricemore >>

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Isophthaldehyde Production Method

Isophthaldehyde Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
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(CAS:626-19-7)m-Phthalaldehyde
Order Number:sfd9222
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:35
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
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(CAS:626-19-7)Isophthalaldehyde
Order Number:LE1430;LE15240;LE1883524
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:40
Price ($):discuss personally

Isophthaldehyde Related Literature

Additional information on Isophthaldehyde

Isophthalaldehyde: A Comprehensive Overview

Isophthalaldehyde, also known by its CAS number 626-19-7, is a versatile organic compound that has garnered significant attention in various fields of chemistry and materials science. This compound, with the molecular formula C8H6O, is a derivative of isophthalic acid and exhibits unique chemical properties that make it valuable in both academic research and industrial applications. In this article, we will delve into the structural characteristics, synthesis methods, applications, and recent advancements related to isophthalaldehyde.

The molecular structure of isophthalaldehyde consists of two aldehyde groups attached to a benzene ring at the 1,4 positions. This arrangement imparts the compound with reactivity that is highly desirable in organic synthesis. The compound's ability to undergo various condensation reactions has made it a key intermediate in the production of advanced materials such as polyesters, polyamides, and other high-performance polymers. Recent studies have highlighted its potential in the development of bio-based materials, aligning with the growing demand for sustainable chemistry solutions.

One of the most notable applications of isophthalaldehyde is in the synthesis of polyurethanes. Its reactivity with diols and diamines enables the formation of high-strength polymers that are widely used in automotive components, construction materials, and electronic encapsulants. Moreover, isophthalaldehyde has been explored as a precursor for producing carbon nanotubes and graphene oxide derivatives, which are critical components in next-generation electronics and energy storage systems.

Recent research has focused on optimizing the synthesis of isophthalaldehyde to enhance yield and reduce environmental impact. Traditional methods involve the oxidation of isophthalic acid or related compounds, but innovative approaches leveraging catalytic systems have shown promise. For instance, the use of transition metal catalysts has significantly improved reaction efficiency while minimizing byproduct formation. These advancements not only contribute to cost-effective production but also support the broader goal of sustainable chemical manufacturing.

In addition to its industrial applications, isophthalaldehyde has found niche uses in pharmaceuticals and agrochemicals. Its ability to form stable complexes with metal ions makes it a valuable reagent in drug delivery systems and catalytic processes. Recent studies have explored its role in creating biodegradable polymers for medical implants, showcasing its potential in biomedical engineering.

The growing interest in isophthalaldehyde is further evidenced by its inclusion in numerous research papers and patent filings. Scientists are continuously exploring new reaction pathways and functionalization strategies to unlock its full potential. For example, researchers have recently demonstrated the use of isophthalaldehyde in click chemistry reactions, enabling rapid assembly of complex molecules with high precision.

In conclusion, isophthalaldehyde (CAS No: 626-19-7) stands as a testament to the ingenuity of modern chemistry. Its unique properties, coupled with ongoing innovations in synthesis and application development, ensure that this compound will remain a cornerstone in both academic research and industrial practices for years to come.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:626-19-7)m-Phthalaldehyde
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Purity:99.9%
Quantity:200kg
Price ($):Inquiry
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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:626-19-7)Isophthalaldehyde
LE1430;LE15240;LE1883524
Purity:99%/99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry/Inquiry
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