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Origin: China
Cas No: 81-30-1
Specification: 99%min
Min order Quantity: 1 /kg
Supply Ability: 100 mt/month
Lead time: 7 days for OEM, 3 days for ready goods
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Property
Description
Basic Info
| Chemical Name | 1,4,5,8-Naphthalenetetracarboxylic dianhydride | 
|---|---|
| Synonyms |   [2]Benzopyrano[6,5,4-def][2]benzopyran-1,3,6,8-tetrone;  | 
| CAS No. | 81-30-1 | 
| Molecular Formula | C14H4O6 | 
| Molecular Weight | 268.17800 | 
| PSA | 86.74000 | 
| LogP | 1.46100 | 
Properties
| Density | 1.79g/cm3 | 
|---|---|
| Boiling Point | 617ºC at 760 mmHg | 
| Melting Point | >300ºC | 
| Flash Point | 280.4ºC | 
| Refractive Index | 1.781 | 
Safety Info
| RTECS | QK3695000 | 
|---|---|
| Safety Statements | S26-S36 | 
| WGK Germany | 2 | 
| Risk Statements | R36/37/38 | 
| Hazard Codes | Xi | 
Synthesis Route
Toxicity
| Exposure Route | Type of Test | Species Observed | Dose/Duration | Toxic Effects | 
|---|---|---|---|---|
| Oral | LD50 - Lethal dose, 50 percent kill | Rodent - rat | 7400 mg/kg | 1.Details of toxic effects not reported other than lethal dose value | 
| Intratracheal | LDLo - Lowest published lethal dose | Rodent - rat | 50 mg/kg | 1.Details of toxic effects not reported other than lethal dose value | 
| Oral | LD50 - Lethal dose, 50 percent kill | Rodent - mouse | 7100 mg/kg | 1.Details of toxic effects not reported other than lethal dose value | 
Precursor
Downstream Product