1,4,5,8-Naphthalenetetracarboxylic acid 128-97-2 99%purity
1,4,5,8-Naphthalenetetracarboxylic acid Basic information
Product Name: 1,4,5,8-Naphthalenetetracarboxylic acid
Synonyms: naphthalene-1,4,5,8-tetracarboxylic acid;1,4,5,8-naphthalenetetraformicacid;1,4,5,8-Tetracarboxynaphthalene;1,4,5,8-NAPHTHALENETETRACARBOXYLIC ACID;1,4,5,8-Naphthalenetetracaboxylic Acid;1,4,5,8-NAPHTHALENETETRACARBOXYLIC ACID, 96+%;1,4,5,8-Naphthalenetetracarbonic acid;1,4,5,8-NAPHTHALENETETRACARBOXYLIC ACID HYDRATE 98%
CAS: 128-97-2
MF: C14H8O8
MW: 304.21
EINECS: 204-924-7
Product Categories: Intermediates of Dyes and Pigments
Mol File: 128-97-2.mol
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
pka 1.03±0.10(Predicted)
form powder to crystal
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.
MSDS Information
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.
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