Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,4-Dihydroxy-thiophene-2,5-dicarboxylic acid diethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1822-66-8

1822-66-8 structure

Name: Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate
Chemical Name: diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate
CAS Number: 1822-66-8
Molecular Formula: C₁₀H₁₂O₆S
Molecular Weight: 260.264
Create Date: 2018-06-21 19:08:17
Modify Date: 2026-07-06 21:11:02

Name	diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate
Synonyms	ethyl 3,4-dihydroxy-2,5-thiophene-dicarboxylate ethyl 3,4-dihydroxythiophene-2,5-dicarboxylate diethyl 3,4-dihydroxythiphene-2,5-dicarboxylate 2,5-Thiophenedicboxylic acid, 3,4-dihydroxy-, diethyl ester 2,5-Thiophenedicarboxylic acid, 3,4-dihydroxy-, diethyl ester 3,4-dihydroxythiophene-2,5-dicboxylic acid diet 3,4-DIHYDROXY-THIOPHENE-2,5-DICBOXYLIC ACID DIETHYL ESTER ISO 9001：2015 REACH Dicetol 2,5-Diethoxycbonyl-3,4-dihydroxythiophene 2,5-bis[ethoxy(hydroxy)methylidene]thiolane-3,4-dione EDOT，3,4-DIHYDROXY-THIOPHENE-2,5- DICBOXYLIC ACID DIETHYL ESTER DIETHYL 3,4-DIHYDROXY-THIOPHENE-2,5-DICBOXYLATE iethyl3,4-dihydroxythiophene-2,5-dicboxylate 3,4-dihydroxythiophene-2,5-dicboxylic acid diethyl ester solution 2,5-bis(ethoxycarbonyl)-3,4-dihydroxythiophene 2,5-Bis(ethoxycarbonyl)thiophene-3,4-diol 3,4-DIHYDROXY-THIOPHENE-2,5-DICBOXYLIC Diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate Diethyl 3,4-dihydroxy-2,5-thiophenedicboxylate dihydroxythiophen 2,5-Thiophenedicboxylic acid, 3,4-dihydroxy-, 2,5-diethyl ester 3,4-DIHYDROXY-THIOPHENE-2,5-DICBOXYLIC ACID DIETHYL ESTER 3,4-Dihydroxy-2,5-dicbethoxythiophene Diethyl 3,4-dihydroxythiophen-2,5-dicboxylate 2,5-Bis(ethoxycbonyl)thiophene-3,4-diol ethyl 5-(ethoxycarbonyl)-3,4-dihydroxythiophene-2-carboxylate 3,4-dihydroxy-2,5-thiophenedicarboxylic acid diethyl ester MFCD03094035 3,4-Dihydroxythiophene-2,5-dicarboxylic acid diethyl ester

Density	1.4±0.1 g/cm3
Boiling Point	397.7±37.0 °C at 760 mmHg
Melting Point	132-135ºC(lit.)
Molecular Formula	C₁₀H₁₂O₆S
Molecular Weight	260.264
Flash Point	194.3±26.5 °C
Exact Mass	260.035461
PSA	121.30000
LogP	4.11
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.578

Hazard Codes	T: Toxic;Xi: Irritant;
Risk Phrases	61-20/21-36-36/37/38
Safety Phrases	53-45-36-26
HS Code	2934999090

925-47-3

95-92-1

~78%

1822-66-8

Literature: Far Eastern New Century Corporation; Liang, Nai-Yun; Tsai, Hui-Shan; Ke, Ching-Wei; Jseng, Chin-Wan Patent: EP2548875 A1, 2013 ; Location in patent: Paragraph 0074-0082 ;

14282-56-5

1822-66-8

Literature: WO2008/106194 A1, ; Page/Page column 7-9 ;

Precursor 3
925-47-3 95-92-1 14282-56-5
DownStream 8
143084-55-3 14282-58-7 154934-13-1 177364-98-6
18361-03-0 177364-95-3 177364-96-4 55370-06-4

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

1115458-97-3	1115371-49-7
1115458-99-5	1115371-54-4
1173736-81-6	1115407-73-2
1030119-64-2	1029795-08-1
1031988-83-6	1163289-43-7