Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

14282-56-5

14282-56-5 structure

14282-56-5 structure

Name: 3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt
Chemical Name: disodium,2,5-bis(ethoxycarbonyl)thiophene-3,4-diolate
CAS Number: 14282-56-5
Molecular Formula: C₁₀H₁₂NaO₆S+
Molecular Weight: 283.25300
Create Date: 2018-12-30 06:49:58
Modify Date: 2025-08-28 10:02:23

Name	disodium,2,5-bis(ethoxycarbonyl)thiophene-3,4-diolate
Synonyms	disodium 2,5-bis(ethoxycarbonyl)thiophene-3,4-dioate disodium 2,5-dicarbethoxy-3,4-dioxythiophene Sodium 2,5-bis(ethoxycarbonyl)thiophene-3,4-bis(olate) 2,5-dicarbethoxy-3,4-dihydroxythiophene disodium salt disodium salt of 3,4-dihydroxythiophene-2,5-dicarboxylic acid diethyl ester MFCD00159536 diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate disodium salt 3,4-Dihydroxythiophene-2,5-dicarboxylic acid diethyl ester disodium salt

Density	1.507g/cm3
Boiling Point	343.8ºC at 760mmHg
Melting Point	320-325ºC(lit.)
Molecular Formula	C₁₀H₁₂NaO₆S+
Molecular Weight	283.25300
Flash Point	161.7ºC
Exact Mass	283.02500
PSA	121.30000
LogP	1.51270
Vapour Pressure	4.41E-06mmHg at 25°C
Index of Refraction	1.616

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	26-36
RIDADR	NONH for all modes of transport
HS Code	2934999090

925-47-3 structure

925-47-3

95-92-1 structure

95-92-1

~93%

14282-56-5 structure

14282-56-5

Literature: Zhang, Hua; Qian, Chao; Chen, Xin-Zhi Journal of Chemical Research, 2011 , vol. 35, # 6 p. 339 - 340

Precursor 2
925-47-3 95-92-1
DownStream 4
154934-13-1 1822-66-8 18361-03-0 177364-96-4

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

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