CAS 81-30-1

Naphthalenetetracarboxylic dianhydride

Description:

Naphthalenetetracarboxylic dianhydride (CAS 81-30-1) is a chemical compound characterized by its structure, which consists of a naphthalene ring with four carboxylic acid groups that have been converted into anhydride forms. This compound appears as a white to light yellow crystalline solid and is known for its high thermal stability and excellent chemical resistance. It is primarily used in the production of polyimides and other high-performance polymers due to its ability to form strong covalent bonds and its favorable mechanical properties. Naphthalenetetracarboxylic dianhydride is also utilized in the synthesis of various dyes and pigments, as well as in the formulation of advanced materials for electronics and aerospace applications. Its reactivity allows it to participate in various chemical reactions, making it a versatile building block in organic synthesis. However, handling this compound requires caution, as it may pose health risks if inhaled or ingested, necessitating appropriate safety measures during use.

Formula: C₁₄H₄O₆

InChI: InChI=1S/C14H4O6/c15-11-5-1-2-6-10-8(14(18)20-12(6)16)4-3-7(9(5)10)13(17)19-11/h1-4H

InChI key: InChIKey=YTVNOVQHSGMMOV-UHFFFAOYSA-N

SMILES: O=C1C=2C3=C4C(C(=O)OC(=O)C4=CC2)=CC=C3C(=O)O1

Synonyms:

• 1,4,5,8-Naphthalenetetracarboxylic 1,8:4,5-dianhydride
• 1,4,5,8-Naphthalenetetracarboxylic acid dianhydride
• 1,4,5,8-Naphthalenetetracarboxylic acid-1,8:4,5-dianhydride
• 1,4,5,8-Naphthalenetetracarboxylic dianhydride
• 1,4,5,8-Naphthalic dianhydride
• 1,4,5,8-Tetracarboxynaphthalene dianhydride
• 1,8:4,5-Naphthalenetetracarboxylic dianhydride
• 2,7-Dioxapyrene-1,3,6,8-tetrone
• Isochromeno[6,5,4-Def]Isochromene-1,3,6,8-Tetrone
• Lt-S924
• NSC 84241
• Naphthalene-1,4,5,8-tetracarboxylic acid dianhydride
• Naphthalene-4,5,8,9-tetracarboxylic dianhydride
• Naphthalenetetracarboxylic anhydride
• Naphthalenetetracarboxylic dianhydride
• Naphthalic 1,8:4,5-dianhydride
• Ntcda
• Ntda

Naphthalene-1,4,5,8-tetracarboxylic Dianhydride (purified by sublimation)

CAS: 81-30-1

Formula: C₁₄H₄O₆

Purity: >99.0%(HPLC)

Color and Shape: Light yellow to Brown to Dark green powder to crystal

Molecular weight: 268.18

Ref: 3B-N0755

Naphthalene-1,4,5,8-tetracarboxylic Dianhydride

CAS: 81-30-1

Formula: C₁₄H₄O₆

Purity: >97.0%(HPLC)

Color and Shape: White to Gray to Brown powder to crystal

Molecular weight: 268.18

Ref: 3B-N0369

Naphthalene-1,4,5,8-tetracarboxylic acid dianhydride, 97%

CAS: 81-30-1

Naphthalene-1,4,5,8-tetracarboxylic acid dianhydride is used as a reagent in the preparation of novel fluorescent markers for hypoxic cells of naphthalimides with two heterocyclic side chains for bioreductive binding. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aes

Formula: C₁₄H₄O₆

Purity: 97%

Color and Shape: Powder, White to cream to yellow to pale brown

Molecular weight: 268.18

Ref: 02-L14365

1,4,5,8-naphthalenetetracar-boxylic dianhydride

CAS: 81-30-1

Formula: C₁₄H₄O₆

Purity: 98%

Color and Shape: Solid

Molecular weight: 268.1780

Ref: IN-DA0032M5

NTCDA

CAS: 81-30-1

1,4,5,8-Naphthalenetetracarboxylic dianhydride

Formula: C₁₄H₄O₆

Purity: 95% （contains acids）

Molecular weight: 268.18

Ref: IN-DG15668

Naphthalene-1,4,5,8-tetracarboxylic dianhydride

CAS: 81-30-1

Naphthalene-1,4,5,8-tetracarboxylic dianhydride

Formula: C₁₄H₄O₆

Purity: tech

Color and Shape: Brown Solid-Powder

Molecular weight: 268.17796

Ref: 54-OR460075

1,4,5,8-Naphthalenetetracarboxylic Dianhydride

Controlled Product

CAS: 81-30-1

Stability Hygroscopic, Moisture Sensitive
Applications 1,4,5,8-Naphthalenetetracarboxylic Dianhydride is used as a reagent in the preparation of novel fluorescent markers for hypoxic cells of naphthalimides with two heterocyclic side chains for bioreductive binding.
References Liu, Y., et al.: Bioorg. Med. Chem., 14, 2935 (2006)

Formula: C₁₄H₄O₆

Color and Shape: Neat

Molecular weight: 268.18

Ref: TR-N359265

Naphthalene-1,4,5,8-tetracarboxylic dianhydride

CAS: 81-30-1

Naphthalene-1,4,5,8-tetracarboxylic dianhydride is a molecule that contains two carboxylic acid groups and one tetracarboxylic acid group. It is an adsorbent material that is used to remove water vapor from the atmosphere. Naphthalene-1,4,5,8-tetracarboxylic dianhydride is also used in wastewater treatment processes because it has high chemical stability and can be regenerated with anhydrous sodium. The transport properties of naphthalene-1,4,5,8-tetracarboxylic dianhydride are well suited for use as a model system for studying the kinetics of proton exchange membrane fuel cells (PEMFC). This compound has been studied using electrochemical impedance spectroscopy to determine its kinetic data.

Formula: C₁₄H₄O₆

Purity: Min. 95 Area-%

Color and Shape: Off-White Powder

Molecular weight: 268.18 g/mol

Ref: 3D-FN62718

1,4,5,8-Naphthalenetetracarboxylic dianhydride

CAS: 81-30-1

Formula: C₁₄H₄O₆

Purity: 95.0%

Color and Shape: Solid, Chunks or Crystalline Powder

Molecular weight: 268.18

Ref: 10-F462869