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3,4-Dimethoxythiophene

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Origin: China

Cas No: 51792-34-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
51792-34-8
Other Names:
3,4-Dimethoxythiophene
MF:
C6H8O2S
EINECS No.:
0
Place of Origin:
Shandong, China
Type:
Pharmaceutical Intermediates
Purity:
99%
Brand Name:
Haihang
Model Number:
HaihangL003
Application:
pharma intermediate
Appearance:
light yeallow liquid
Color:
light yellow
Form:
liquid
MW:
144.19
Sample:
Available
Package:
25kg/drum
Delivery:
Prompt
ISO Certificate:
Yes
Storage:
Cool place
Mol:
51792-34-8.Mol
Origin:
China
Packaging&Delivery
Packaging Details
200kg/drum
Port
Shanghai
Lead Time:
Prompt

Property

CAS No.: 51792-34-8 Formula: C6H8O2S Molecular Weight: 144.19200

Basic Info

Chemical Name	3,4-Dimethoxythiophene
Synonyms	2,3-dimethoxythiophene; 3,4-Dimethoxythiophen; 3,4-dimethoxytiophene; 3,4-dimethoxy thiophene;
CAS No.	51792-34-8
Molecular Formula	C6H8O2S
Molecular Weight	144.19200
PSA	46.70000
LogP	1.76530

Properties

Density	1.209
Boiling Point	100-102ºC (10-11 mmHg)
Flash Point	224
Refractive Index	1.5409

Safety Info

Safety Statements	26-36/37/39
HS Code	2934999090
Risk Statements	R22
Hazard Codes	Xn

Synthesis Route

3,4-Dibromothiophene→3,4-Dimethoxythiophene
3,4-dimethoxythiophene-2,5-dicarboxylic acid→3,4-Dimethoxythiophene
Dimethyl 3,4-Dihydroxy-2,5-thiophenedicarboxylate+dimethyl sulfate→3,4-Dimethoxythiophene+dimethyl 3,4-dimethoxythiophene-2,5-dicarboxylate

Precursor

3,4-Dibromothiophene
Dimethyl 3,4-Dihydroxy-2,5-thiophenedicarboxylate
dimethyl sulfate
3,4-dimethoxythiophene-2,5-dicarboxylic acid

Downstream Product

3-phenyl-2,3-dihydrothieno[3,4-b][1,4]dioxine
3,3-dimethyl-2,4-dihydrothieno[3,4-b][1,4]dioxepine
thieno[3,4-b][1,4]dioxine
3,4-dihexoxythiophene

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