均苯四甲酸

均苯四甲酸

pyromellitic acid

89-05-4

C10H6O8

254.15000

149.20000

0.47940

254.00600

白色粉末

322.1ºC

585.8ºC at 760 mmHg

281-284.5 °C(lit.)

1.5 g/100 mL (20 ºC)

0,56 g/cm3

Stable. Incompatible with strong oxidizing agents, strong bases.

Store in a cool, dry place. Store in a tightly closed container.

DB9275000

3

S26-S36-S37/39-S24/25

2917399090

Xi

R36/37/38

品名, 成分含量, 用途, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分

2917399090 其他芳香多元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%

2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%