4,5-Dibromo-1,2-benzenediol
- CAS No.
- 2563-26-0
- Chemical Name:
- 4,5-Dibromo-1,2-benzenediol
- Synonyms
- NSC10858;550248_SIAL;ZINC00254871;4,5-Dibromocatechol;4,5-dibromopyrocatechol;4,5-Dibromo-1,2-Benzenediol;1,2-BENZENEDIOL,4,5-DIBROMO-;Pinaverium Bromide Impurity 8;Benzen-1,2-diol, 4,5-dibromo-;4 5-DIBROMOBENZENE-1 2-DIOL 90% TECH
- CBNumber:
- CB6499765
- Molecular Formula:
- C6H4Br2O2
- Molecular Weight:
- 267.9
- MDL Number:
- MFCD00233157
- MOL File:
- 2563-26-0.mol
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
4,5-Dibromo-1,2-benzenediol price More Price(11)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 550248 | 4,5-Dibromobenzene-1,2-diol 90%, technical grade | 2563-26-0 | 5g | $217 | 2024-03-01 | Buy |
| TRC | D437350 | 4,5-Dibromobenzene-1,2-diol(90%,technicalgrade) | 2563-26-0 | 500mg | $90 | 2021-12-16 | Buy |
| TRC | D437350 | 4,5-Dibromobenzene-1,2-diol(90%,technicalgrade) | 2563-26-0 | 1g | $145 | 2021-12-16 | Buy |
| Chem-Impex | 41851 | 4,5-Dibromobenzene-1,2-diol,suitableforHematology&Histology,≥88%(GC),Technicalgrade ≥88%(GC) | 2563-26-0 | 5G | $182.87 | 2021-12-16 | Buy |
| Matrix Scientific | 078259 | 4,5-Dibromobenzene-1,2-diol | 2563-26-0 | 1g | $142 | 2021-12-16 | Buy |
4,5-Dibromo-1,2-benzenediol Chemical Properties,Uses,Production
Uses
4,?5-?Dibromobenzene-?1,?2-?diol is a dye. Dyes and metabolites.
Synthesis
4,5-Dibromo-1,2-benzenediol is obtained by reacting catechol with Bromine in CCl4.
Experimental procedure￡oIn a 500mL three neck round bottom flask under nitrogen, equipped with a refluxcondenser, an addition funnel and a gas outlet connected to a bubbler filled with a 10%NaOH aqueous solution, was suspended catechol (136 mmol, 15.0 g, 1 eq.) in CCl4 (150mL). Bromine (272 mmol, 43.5 g, 2 eq.) diluted in CCla(20mL) was added dropwise at 0?? over 4.5 h. The excess of bromine was neutralized with aqueous NaHSO4 (150mL,40% solution). The mixture was filtrated and the solids were dissolved in CCLa,washed with water and dried in vacuum. The obtained 4,5-dibromocatechol (30.2 g)was then recrystallized from CHCl3 (220 mL) to afford a white crystalline solid (22.5 g,62%).
4,5-Dibromo-1,2-benzenediol Preparation Products And Raw materials
Raw materials
Preparation Products
4,5-Dibromo-1,2-benzenediol Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Speranza Chemical Co., Ltd. | +86-86-075521030354 +8618688942810 | sophieliu@speranzachem.com | China | 723 | 55 |
| Zhengzhou Alfa Chemical Co.,Ltd | +8618530059196 | sale04@alfachem.cn | China | 12568 | 58 |
| Kindchem(Nanjing)Co.,Ltd | +86-025-025-85281586 +8618651653755 | sales@kindchem.cn | China | 1227 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | 0551-65418671 | sales@tnjchem.com | China | 34572 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | info@dycnchem.com | CHINA | 52867 | 58 |
| PT CHEM GROUP LIMITED | +86-85511178 +86-85511178 | peter68@ptchemgroup.com | China | 35453 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +8618058761490 | info@gihichemicals.com | China | 50000 | 58 |
| Aladdin Scientific | +1-833-552-7181 | sales@aladdinsci.com | United States | 57511 | 58 |
| Chiba Pharmaceutical Science and technology Co, Ltd. | 0531-81313138 13066006660 | chibapharm@foxmail.com | China | 4057 | 55 |
| Modachem Shanghai Co., Ltd | +86 (0)21 51320687 51371369 1744605818 | China | 1579 | 58 |