3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE
Synonym(s):3,4-Thiophenediamine dihydrochloride
- CAS NO.：90069-81-1
- Empirical Formula: C4H7ClN2S
- Molecular Weight: 150.62
- MDL number: MFCD00671511
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:04
What is 3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE?
Chemical properties
grey or brown crystalline powder
The Uses of 3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE
3,4-Diaminothiophene dihydrochloride can be used in the synthesis of thieno[3,4-b]pyrazine for thermoelectric applications. It can also be used in the synthesis of acenaphtho[1,2-b]thieno[3,4-e]pyrazine based acceptor molecules for the fabrication of organic transistors.
General Description
This material is a synthetic intermediate for organic electronics materials such as Arylenediimide-thiophene Derivatives for Organic n-channel field-effect transistors. 1
They are also integral to the synthesis of thienopyrazine-based materials as low band gap materials for Organic Photovoltaic applications2 and as copolymer units for sensor applications.3
Properties of 3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE
| Melting point: | >150°C |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| solubility | soluble in DMSO |
| form | Crystalline Powder |
| color | Gray or brown |
| CAS DataBase Reference | 90069-81-1(CAS DataBase Reference) |
Safety information for 3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H317:Sensitisation, Skin H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE
| InChIKey | RAMOMCXNLLLICQ-UHFFFAOYSA-N |
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