2,2-二甲基戊二酸酐

2,2-二甲基戊二酸酐

3,3-dimethyloxane-2,6-dione

2938-48-9

C7H10O3

142.15200

43.37000

0.87620

142.06300

白色晶体或结晶粉末

1.444

>230 °F

0.0083mmHg at 25°C

34-38 °C(lit.)

1.102g/cm3

175-180 °C60 mm Hg(lit.)

GHS07

警告

H315; H319; H335

2918990090

3

R36/37/38

S26-S37/39

Xi

HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

品名, 成分含量, 用途

2918990090. 其他含其他附加含氧基羧酸（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:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%