1,4,5,8-Naphthalenetetracarboxylic acid CAS NO.128-97-2

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.