1,4,5,8-Naphthalenetetracarboxylic Acid (contains Monoanhydride) , >60.0%(NMR) , 128-97-2

CAS NO.：128-97-2

Empirical Formula: C14H8O8

Molecular Weight: 304.21

MDL number: MFCD00004012

EINECS: 204-924-7

PRODUCT Properties

• Melting point: 180 °C
• Boiling point: 405.05°C (rough estimate)
• Density: 1.5387 (rough estimate)
• refractive index: 1.5500 (estimate)
• storage temp.: Storage temp. 2-8°C
• Water Solubility: Soluble in water
• form: powder to crystal
• pka: 1.03±0.10(Predicted)
• color: White to Light yellow to Light orange
• 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
• SMILES: C1(C(O)=O)=C2C(C(C(O)=O)=CC=C2C(O)=O)=C(C(O)=O)C=C1
• 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)

Description and 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.

Safety

• Symbol(GHS): GHS07
• Signal word: Danger
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
• 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.