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)
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)

Hazard Codes	Xi
Risk Statements	36
Safety Statements	26-36
WGK Germany	2
RTECS	QK3690000
TSCA	TSCA listed
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.