(+)-二乙酰基-L-酒石酸酐

(+)-二乙酰基-L-酒石酸酐

(+)-Diacetyl-L-tartaric anhydride

6283-74-5

C8H8O7

216.14500

95.97000

-1.06680

216.02700

白色晶体或针状

158.2ºC

-20ºC

130-135ºC(lit.)

1.43g/cm3

350.6ºC at 760 mmHg

2918300090

3

R36/37/38

S26; S36; S37; S39

Xi

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: