- 2,5-Dibromothiophene
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- $40.00 / 1KG
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2026-02-03
- CAS:3141-27-3
- Min. Order: 1KG
- Purity: 98%+
- Supply Ability: 300MT/year
- 2,5-Dibromothiophene
-
- $19.00 / 1KG
-
2025-05-26
- CAS:3141-27-3
- Min. Order: 1KG
- Purity: 99.%
- Supply Ability: 10 ton
- 2,5-Dibromothiophene
-
- $0.00 / 1kg
-
2025-04-04
- CAS:3141-27-3
- Min. Order: 1kg
- Purity: 98%
- Supply Ability: 1Ton
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| | 2,5-Dibromothiophene Basic information |
| Product Name: | 2,5-Dibromothiophene | | Synonyms: | Thiophene,2,5-dibromo-;2,5-DIBROMO THIOPHENE 98.0%MIN;TH-2Bra;2,5-Dibromthiophen;2,5-DibroMothiophene, 95% 25GR;2,5-Dibromothiophene,95%;alpha,alpha-Dibromothiophene;NSC 4488 | | CAS: | 3141-27-3 | | MF: | C4H2Br2S | | MW: | 241.93 | | EINECS: | 221-547-3 | | Product Categories: | Sulphur Derivatives;Thiophene&Benzothiophene;Thiophenes;Metal Isotopes;Thiophens;Sulfur & Selenium Compounds;Halogenated Heterocycles;Heterocyclic Building Blocks;ThiophenesBuilding Blocks;Heterocycle-oher series;bc0001 | | Mol File: | 3141-27-3.mol |  |
| | 2,5-Dibromothiophene Chemical Properties |
| Melting point | -6 °C (lit.) | | Boiling point | 211 °C (lit.) | | density | 2.147 g/mL at 25 °C (lit.) | | refractive index | 1.627-1.63 | | Fp | 99 °C | | storage temp. | Keep in dark place,Sealed in dry,Room Temperature | | solubility | Chloroform, Methanol | | form | Liquid | | color | Clear pale yellow to brown | | Specific Gravity | 2.147 | | Water Solubility | practically insoluble | | BRN | 109899 | | InChI | 1S/C4H2Br2S/c5-3-1-2-4(6)7-3/h1-2H | | InChIKey | KBVDUUXRXJTAJC-UHFFFAOYSA-N | | SMILES | Brc1ccc(Br)s1 | | CAS DataBase Reference | 3141-27-3(CAS DataBase Reference) | | NIST Chemistry Reference | Thiophene, 2,5-dibromo-(3141-27-3) | | EPA Substance Registry System | Thiophene, 2,5-dibromo- (3141-27-3) |
| Hazard Codes | T+,Xi | | Risk Statements | 68-43-36/37/38-28-20/21 | | Safety Statements | 45-36/37/39-28A-26-36 | | RIDADR | UN2810 | | WGK Germany | 3 | | Hazard Note | Irritant | | TSCA | TSCA listed | | HazardClass | 6.1 | | PackingGroup | II | | HS Code | 29349990 | | Storage Class | 10 - Combustible liquids | | Hazard Classifications | Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| | 2,5-Dibromothiophene Usage And Synthesis |
| Chemical Properties | Light Yellow Liquid | | Uses | 2,5-Dibromothiophene, is mainly used as pharmaceutical intermediate and synthesis intermediate. | | Uses | 2,5-Dibromothiophene was used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes. It was used in the preparation of soluble α,ω-diformyl-a-oligothiophenes. | | Synthesis Reference(s) | The Journal of Organic Chemistry, 58, p. 3072, 1993 DOI: 10.1021/jo00063a028
Synthesis, p. 890, 1988 DOI: 10.1055/s-1988-27740 | | General Description | 2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) . | | References | [1] Tetrahedron Letters, 2010, vol. 51, # 1, p. 205 - 208
[2] Journal of Organic Chemistry, 1993, vol. 58, # 11, p. 3072 - 3075
[3] Synthesis, 1988, # 11, p. 890 - 891
[4] Journal of Organic Chemistry, 2018, vol. 83, # 2, p. 930 - 938
[5] Patent: KR2018/17709, 2018, A. Location in patent: Paragraph 0173; 0176-0179 |
| | 2,5-Dibromothiophene Preparation Products And Raw materials |
| Raw materials | Thiophene(SIV) (9CI)-->Potassium tert-butoxide-->Chloroform-->2,5-BIS(TRIMETHYLSILYL)THIOPHENE-->N-Bromosuccinimide-->Acetic acid-->AKOS 92422-->Thiophene, 2,5-dibromo-3-fluoro- | | Preparation Products | 5-Bromothiophene-2-carbohydrazide-->3,4-DIAMINOTHIOPHENE DIHYDROCHLORIDE-->Ethyl 5-bromothiophene-2-carboxylate-->5,5'-Dibromo-2,2'-bithiophene-->ETHYL 5-BROMOTHIOPHENE-2-CARBOXYLATE-->2,2':5',2''-TERTHIOPHENE-->2,3,5-Tribromothiophene-->2-Acetyl-5-bromothiophene-->Thiophene-2,5-dicarbonitrile-->3,5-DIBROMO-2-METHYLTHIOPHENE-->2-(TRIBUTYLSTANNYL)THIOPHENE-->5-Bromothiophenesulfonyl chloride-->5-Bromo-2-thiophenecarboxylic acid |
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