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3,4-Diaminothiophene dihydrochloride

CAS 90069-81-1C4H6N2S · 2HClOrganic & Printed Electronics

3,4-Diaminothiophene dihydrochloride (CAS 90069-81-1) is a thiophene derivative supplied by TSS. With a molecular weight of 187.09 g/mol and an assay of 97%, this compound serves as a valuable intermediate in organic synthesis. It is primarily utilised in materials science and organic electronics research, contributing to the development of novel functional materials and devices.

IUPAC
3,4-Thiophenediamine dihydrochloride
Synonyms
3,4-Thiophenediamine dihydrochloride
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3,4-Diaminothiophene dihydrochloride (C4H6N2S · 2HCl) — chemical structure, CAS 90069-81-1; Materials Science, fine chemical supplied by Tech Serve Solutions
Materials ScienceSynthetic IntermediatesSynthetic Tools and Reagents
01 /Applications

Organic Electronics

3,4-Diaminothiophene dihydrochloride is employed as a building block in the synthesis of conjugated polymers and organic semiconductors. These materials are crucial for applications in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic field-effect transistors (OFETs).

Materials Science Research

This compound acts as a versatile intermediate for developing advanced materials with specific electronic or optical properties. Its use facilitates the exploration of new molecular architectures for functional materials.

Synthetic Intermediates

As a diaminothiophene derivative, it is instrumental in complex organic synthesis pathways. It provides a reactive thiophene core for constructing larger, more intricate molecular structures.

02 /Properties
Molecular weight187.09
Empirical formulaC4H6N2S · 2HCl
Assay97%
Melting point240-245 °C240-245 °C
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
GHS hazard pictogram: Toxic (GHS06)
Toxic
Danger

Hazard statements

  • H301Toxic if swallowed
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P301IF SWALLOWED
  • P305IF IN EYES
Transport (UN / ADR)UN 2811 6.1 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)T
Risk statements (R)25-41-43
Safety statements (S)26-37-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
90069-81-1
MDL number
MFCD00671511
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3,4-Diaminothiophene dihydrochloride used for?

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3,4-Diaminothiophene dihydrochloride is primarily used as a building block in organic electronics and materials science research, and as a synthetic intermediate.

What are the CAS number and formula for 3,4-Diaminothiophene dihydrochloride?

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The CAS number is 90069-81-1, and its empirical formula is C4H6N2S · 2HCl.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 3,4-Diaminothiophene dihydrochloride with an assay of 97%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.

How should 3,4-Diaminothiophene dihydrochloride be handled safely?

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This compound is classified as Danger, indicated by GHS05 and GHS06 symbols. It is harmful if swallowed (H301), causes skin irritation (H317), and serious eye damage (H318). Handle with appropriate personal protective equipment, including gloves, eye protection, and protective clothing. Ensure good ventilation.

Is 3,4-Diaminothiophene dihydrochloride packed and shipped internationally by TSS?

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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3,4-Diaminothiophene dihydrochloride, adhering to all relevant shipping regulations (UN 2811 6.1 / PGIII).

How can I request a sample or quote for 3,4-Diaminothiophene dihydrochloride?

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To request a sample or quote, please use the contact form on our website or email our sales department directly, referencing the product name and CAS number.

Need 3,4-Diaminothiophene dihydrochloride in a specific grade or volume?