2,3,4-三羟基苯甲醛

2,3,4-三羟基苯甲醛

2,3,4-Trihydroxybenzaldehyde

2144-08-3

C7H6O4

154.12000

77.76000

0.61590

154.02700

浅黄色针状结晶（水）。m.p.161-162℃ ，有刺激性。

1.734

Stable under normal temperatures and pressures.

112ºC

0.000573mmHg at 25°C

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

159-161 °C(lit.)

1.598 g/cm3

301.9ºC at 760 mmHg

2912499000

2

R36/37/38

S26-S37/39

CU8439800

Xi

品名, 成分含量, 用途, 四聚甲醛报明外观

2912499000. 其他醛醚、醛酚及含其他含氧基的醛. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0%

2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%

2912499000. 醛醚，醛酚和其他含氧基的醛

HTS:2912499000.Other Non-aromatic Aldehyde-ethers, Aldehyde-phenols And Aldehydes With Other Oxygen Function.Rate general: 4.8%.Rate special: Free (A,AU,BH,CA,CL,CO,E,IL,J,JO,KR,MA,MX,OM,P,PA,PE,SG)