![3,4-Dibromothieno[2,3-b]thiophene structure, CAS 53255-78-0](/structures/180000/176324_1_53255_78_0.png)
CAS Number53255-78-0
Synonyms3,4-dibromothieno<2,3-b>thiophene; Thieno[2,3-b]thiophene,3,4-dibromo; Dibromthieno<2,3-b>thiophen; 3,4-dibromo-thieno[2,3-]thiophene
Molecular FormulaC6H2Br2S2
Molecular Weight196.29
Density2.209g/cm3
Boiling Point349ºC at 760 mmHg
Melting Point133 °C
Appearancesolid
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 53255-78-0 |
| Catalog No. | 2A-1175863 |
| Chinese Name | 3,4-二溴噻吩[2,3-b]噻吩 |
| Synonyms | 3,4-dibromothieno<2,3-b>thiophene; Thieno[2,3-b]thiophene,3,4-dibromo; Dibromthieno<2,3-b>thiophen; 3,4-dibromo-thieno[2,3-]thiophene |
| Molecular Formula | C6H2Br2S2 |
| Molecular Weight | 196.29 |
| Density | 2.209g/cm3 |
| Boiling Point | 349ºC at 760 mmHg |
| Melting Point | 133 °C |
| Appearance | solid |
| Storage Condition | <0°C; store in inert gas; protect from light, air, |
| HTC | 2934999090 |
| PubChem ID | 329788862 |
| MDL Number | MFCD00052282 |
| SMILES | Cc1csc2sc(C=O)c(C)c12 |
| InChI | 1S/C9H8OS2/c1-5-4-11-9-8(5)6(2)7(3-10)12-9/h3-4H,1-2H3 |
| InChI Key | WEAXSPMHCXWYPF-UHFFFAOYSA-N |
| NACRES Code | NA.21 |
| UNSPSC | 12352200 |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: Purity: 98.0% |
| MSDS Transport Info | Module 14. Shipping information United Nations classification: inconsistent with United Nations classification standards 3,4-Dibromothiophene[2,3-b]thiophene Module 14. Shipping information UN number: not specified |
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