顺式乌头酸酐

顺式乌头酸酐

2-(2,5-dioxofuran-3-yl)acetic acid

6318-55-4

C6H4O5

156.09300

80.67000

-0.52910

156.00600

1.506

194.6ºC

2-8ºC

75-78 °C(lit.)

1.506g/cm3

439.9ºC at 760 mmHg

GHS05

危险

H314

III

8

2918300090

UN 3261 8/PG 2

3

R34

S26-S36/37/39-S45

C

品名, 成分含量, 用途

2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 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%

2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, 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%

2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: