1,4,5,8-Naphthalenetetracarboxylic acid

Basic Information

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CAS Number

128-97-2

Molecular Formula

C14H8O8

Molecular Weight

304.21 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

320.0 °C

Boiling Point

405.05°C (rough estimate)

Flash Point

414 °C

Refractive Index

1.5500 (estimate)

SMILES

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C1=CC(=C2C(=CC=C(C2=C1C(=O)O)C(=O)O)C(=O)O)C(=O)O

InChI

InChI=1S/C14H8O8/c15-11(16)5-1-2-6(12(17)18)10-8(14(21)22)4-3-7(9(5)10)13(19)20/h1-4H,(H,15,16)(H,17,18)(H,19,20)(H,21,22)

InChIKey

OLAPPGSPBNVTRF-UHFFFAOYSA-N

LogP

1.6326

Topological Polar Surface Area

149.2 Å²

Hydrogen Bond Donor/Acceptor

4 / 8

Complexity

423

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Sensitiveness

thermally sensitive

Synonyms & References

English

SB66616
AKOS015901822
NCI66207
NCGC00013765
BRN 0436046
N0770
DTXSID4059592
FT-0606751
3-09-00-04889 (Beilstein Handbook Reference)
Naphthalene-1,4,5,8-tetracarboxylic acid
Naphthalene-1,4,5,8-tetracarboxylicacid
EINECS 204-924-7
NCIStruc2_001460
SCHEMBL22122
NSC66207
UNB96NX2F8
Q27291158
Tetra acid
NCIStruc1_001520
A805885
AC-907/34110020
NSC 66207
1,4,5,8-NAPHTHALENETETRACARBOXYLIC ACID
128-97-2
1 pound not4 pound not5 pound not8-Naphthalenetetracarboxylic acid
BDBM50056930
CS-0182946
1,4,5,8-Tetracarboxynaphthalene
CCG-36832
1,4,5,8-Naphthalenetetracarboxylic Acid (contains Monoanhydride)
NCGC00096875-01

MDL Number

MFCD00004012

Customs Code

2917399090

FAQ

What is 1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2)?

1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2) is a polycyclic aromatic organic compound with the chemical formula C14H10O6. It is characterized by its four carboxylic acid groups attached to a naphthalene ring, making it a versatile building block in chemical synthesis. This compound is known for its high melting point and strong acidity, and it is commonly used in the production of organic materials and dyes.

What are the main uses of 1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2)?

1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2) is widely used in the synthesis of organic semiconductors, pigments, and functional materials. It serves as a key intermediate in the production of materials for organic light-emitting diodes (OLEDs) and photovoltaic cells. Additionally, it is applied in pharmaceutical research and industrial chemical processes for its versatile reactivity and structural properties.

Is 1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2) safe?

1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2) is generally considered safe when handled properly. However, it may cause skin and eye irritation, and inhalation of its dust can be harmful. Safety data sheets (SDS) recommend using protective gloves, goggles, and a fume hood. It is non-flammable but should be kept away from heat and incompatible substances to ensure safe handling.

How should 1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2) be stored?

1,4,5,8-Naphthalenetetracarboxylic acid (CAS: 128-97-2) should be stored in a cool, dry, and well-ventilated place, away from light. It is typically kept in airtight containers to prevent moisture absorption and degradation. Proper storage conditions include maintaining a temperature below 25°C and avoiding exposure to strong acids or bases to ensure stability and prolong shelf life.