52671-72-4

52671-72-4 structure
52671-72-4 structure

Name 1,4,5,8-Naphthalenetetracarboxylic acid 1,8-monoanhydride
Synonyms 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
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
Symbol GHS07 GHS09
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
Precursor  2

DownStream  1

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%