1,4,5,8-Naphthalenetetracarboxylic acid Chemical Properties

Melting point:

180 °C

Boiling point:

405.05°C (rough estimate)

Density 

1.5387 (rough estimate)

refractive index 

1.5500 (estimate)

Water Solubility 

Soluble in water

form 

powder to crystal

pka

1.03±0.10(Predicted)

color 

White to Light yellow to Light orange

CAS DataBase Reference

128-97-2(CAS DataBase Reference)

NIST Chemistry Reference

1,4,5,8-Naphthalenetetracarboxylic acid(128-97-2)

EPA Substance Registry System

1,4,5,8-Naphthalenetetracarboxylic acid (128-97-2)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36

Safety Statements 

26-36

WGK Germany 

2

RTECS 

QK3690000

HS Code 

29173990

Toxicity

mouse,LD50,oral,3800mg/kg (3800mg/kg),"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 90, 1982.

1,4,5,8-Naphthalenetetracarboxylic acid Usage And Synthesis

Chemical Properties

1,4,5,8-Naphthalenetetracarboxylic acid is a white crystals. Insoluble in ethanol, chloroform and benzene. Soluble in acetone aqueous solution.

Uses

1,4,5,8-Naphthalenetetracarboxylic acid is a carboxylic acid organic compound and can be used as an intermediate for dyes, pigments, resins, etc.

Synthesis

1,4,5,8-Naphthalenetetracarboxylic acid is prepared from pyrene by chlorination and oxidation.

1,4,5,8-Naphthalenetetracarboxylic acid(128-97-2)Related Product Information

• 1,4-Naphthalenedicarboxylic acid
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• Pyromellitic acid
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• Naphthalene
• 3,5-Dihydroxybenzoic acid
• Tetrachlorophthalic acid
• 1-Naphthoic acid
• p-Toluic acid
• PEN
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• 1,4-Benzenedimethanol
• 1,8-BIS(HYDROXYMETHYL)NAPHTHALENE
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• 1,8-DIMETHYLNAPHTHALENE