2,7-二甲氧基萘

2,7-二甲氧基萘

2,7-Dimethoxynaphthalene

3469-26-9

C12H12O2

188.22200

18.46000

2.85700

188.08400

灰色至棕色粉末

1.584

Stable under normal temperatures and pressures.

130.3ºC

Store in a cool, dry place. Store in a tightly closed container.

137-139 °C(lit.)

1.097 g/cm3

311.2ºC at 760 mmHg

2909309090

3

R36/37/38

S26-S36/37/39

品名, 成分含量, 用途

2909309090 其他芳香醚及其卤化衍生物、磺化、硝化衍生物（包括亚硝化衍生物）。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%

2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

HS:2909309090.Other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. General tariff:5.5%