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21450-56-6

21450-56-6 structure

21450-56-6 structure

Name: 1,2,3,4-Tetramethoxybenzene
Chemical Name: 1,2,3,4-Tetramethoxybenzene
CAS Number: 21450-56-6
Molecular Formula: C₁₀H₁₄O₄
Molecular Weight: 198.21600
Create Date: 2018-05-09 08:00:00
Modify Date: 2025-08-22 10:55:16

Name	1,2,3,4-Tetramethoxybenzene
Synonyms	1,2,3,4-tetramethoxybenzene

Density	1.068 g/cm3
Boiling Point	259.5ºC at 760 mmHg
Molecular Formula	C₁₀H₁₄O₄
Molecular Weight	198.21600
Flash Point	100.9ºC
Exact Mass	198.08900
PSA	36.92000
LogP	1.72100
Vapour Pressure	0.0209mmHg at 25°C
Index of Refraction	1.483

Hazard Codes	Xi: Irritant;
HS Code	2909309090

Precursor 10
642-96-6 19676-64-3 77-78-1 74-88-4
87-66-1 55020-64-9 27916-67-2 87997-28-2
224633-63-0 2103-57-3
DownStream 10
35896-58-3 478-01-3 30225-99-1 30225-96-8
3117-02-0 73875-27-1 3117-05-3 17055-09-3
1471-96-1 2174-59-6

HS Code	2909309090
Summary	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%

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