1,4,5,8-Naphthalenetetracarboxylic acid 1,8-monoanhydride

Names

[ CAS No. ]:
52671-72-4

[ Name ]:
1,4,5,8-Naphthalenetetracarboxylic acid 1,8-monoanhydride

[Synonym ]:
1,4,5,8-naphthalene diacid monoanhydride
1,3-dioxo-1H,3H-benzo[de]isochromene-6,7-dicarboxylic acid
1,4,5,8-naphthalene-tetracarboxylic acid monoanhydride
1h,3h-naphtho[1,8-cd]pyran-6,7-dicarboxylic acid,1,3-dioxo
monoanhydride of 1,4,5,8-naphthalenetetracarboxylic acid

Chemical & Physical Properties

[ Density]:
1.769

[ Boiling Point ]:
692.8ºC at 760 mmHg

[ Melting Point ]:
>300ºC

[ Molecular Formula ]:
C14H6O7

[ Molecular Weight ]:
286.19300

[ Exact Mass ]:
286.01100

[ PSA ]:
117.97000

[ LogP ]:
1.54680

[ Index of Refraction ]:
1.772

MSDS

Safety Information

[ Symbol ]:

GHS07, GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H319-H400

[ Precautionary Statements ]:
P273-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;N: Dangerous for the environment;

[ Risk Phrases ]:
R36;R50

[ Safety Phrases ]:
S26-S36/37-S61

[ RIDADR ]:
UN 3077

[ HS Code ]:
2932999099

Synthetic Route

Precursor & DownStream

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%