ChemicalBook--->CAS DataBase List--->128-97-2

128-97-2

128-97-2 Structure

128-97-2 Structure
IdentificationMore
[Name]

1,4,5,8-Naphthalenetetracarboxylic acid
[CAS]

128-97-2
[Synonyms]

1,4,5,8-NAPHTHALENETETRACARBOXYLIC ACID
naphthalene-1,4,5,8-tetracarboxylic acid
1,4,5,8-naphthalenetetraformicacid
1,4,5,8-Tetracarboxynaphthalene
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%
Naphthaline-1,4,5,8-tetracarbonic acid
naphthalenetetracarboxylic acid(1,4,5,8)
[EINECS(EC#)]

204-924-7
[Molecular Formula]

C14H8O8
[MDL Number]

MFCD00004012
[Molecular Weight]

304.21
[MOL File]

128-97-2.mol
Chemical PropertiesBack Directory
[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]

128-97-2(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36:Irritating to the eyes.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[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.
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Aluminium chloride hexahydrate-->Malononitrile-->Naphthalene-->Dimethylcarbamoyl chloride-->Acenaphthene-->Sodium oxide
[Preparation Products]

Vat Orange 7-->Vat Brown 14-->Vat Red 14-->Vat Brown 22-->3,12-diethoxybisbenzimidazo[2,1-b:1',2'-j]benzo[lmn][3,8]phenanthroline-6,9-dione-->1,4,5,8-Naphthalenetetracarboxylic dianhydride
Hazard InformationBack Directory
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

1,4,5,8-Naphthalenetetracarboxylic acid(128-97-2)MS
1,4,5,8-Naphthalenetetracarboxylic acid(128-97-2)IR1
1,4,5,8-Naphthalenetetracarboxylic acid(128-97-2)IR2
Well-known Reagent Company Product InformationBack Directory
[TCI AMERICA]

1,4,5,8-Naphthalenetetracarboxylic Acid,>95.0%(T)(128-97-2)
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