5,7-十二烷二炔酸

5,7-十二烷二炔酸

dodeca-5,7-diynedioic acid

28393-04-6

C12H14O4

222.23700

74.60000

1.50300

222.08900

1.534

267ºC

3.94E-11mmHg at 25°C

142ºC

1.217g/cm3

494.6ºC at 760 mmHg

2917190090

S22; S24/25

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

2917190090 其他无环多元羧酸. 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%

2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%