原儿茶酸

原儿茶酸

3,4-dihydroxybenzoic acid

99-50-3

C7H6O4

154.12000

77.76000

0.79600

154.02700

白色至淡黄色晶体粉末

Stable. Incompatible with strong oxidizing agents, strong bases.

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

197-200 °C (dec.)(lit.)

1.559 g/cm3

410.7ºC at 760 mmHg

GHS07

警告

H315; H319; H335

2918290000

3

R36/37/38

S26-S36-S37/39

UL0560000

Xi

HS: 2918290000 Other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives

品名, 成分含量, 用途

A.入境货物通关单
B.出境货物通关单

R.进口食品卫生监督检验
S.出口食品卫生监督检验

2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%

HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%