The 1,4,5,8-Naphthalenetetracarboxylic acid, with the CAS registry number 128-97-2 and EINECS registry number 204-924-7, has the systematic name of naphthalene-1,4,5,8-tetracarboxylic acid. It is a kind of intermediates of Dyes and Pigments. And the molecular formula of this chemical is C₁₄H₈O₈.

The physical properties of 1,4,5,8-Naphthalenetetracarboxylic acid are as following: (1)ACD/LogP: 1.37; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.51; (4)ACD/LogD (pH 7.4): -4.78; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 8; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 105.2 Å²; (13)Index of Refraction: 1.765; (14)Molar Refractivity: 71.81 cm³; (15)Molar Volume: 173.6 cm³; (16)Polarizability: 28.46×10^-24cm³; (17)Surface Tension: 107.8 dyne/cm; (18)Density: 1.751 g/cm³; (19)Flash Point: 414 °C; (20)Enthalpy of Vaporization: 112.98 kJ/mol; (21)Boiling Point: 737.9 °C at 760 mmHg; (22)Vapour Pressure: 7.33E-23 mmHg at 25°C.

You should be cautious while dealing with this chemical. It irritates eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)c1ccc(c2c(ccc(C(=O)O)c12)C(=O)O)C(=O)O
(2)InChI: InChI=1/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)
(3)InChIKey: OLAPPGSPBNVTRF-UHFFFAOYAR

The toxicity data is as follows: