1,4,5,8-萘四甲酸 1,8-单酸酐

1,4,5,8-萘四甲酸 1,8-单酸酐

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

52671-72-4

C14H6O7

286.19300

117.97000

1.54680

286.01100

1.772

>300ºC

1.769

692.8ºC at 760 mmHg

2932999099

UN 3077

R36; R50

S26-S36/37-S61

Xi; N

品名, 成分含量, 用途

2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

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%