Cas no 6305-43-7 (1,4-Dibromobutane-2,3-dione)
1,4-Dibromobutane-2,3-dione is a brominated diketone compound with the molecular formula C?Br?O?. It is characterized by its reactive bromine substituents and diketone functional groups, making it a versatile intermediate in organic synthesis. The compound is particularly useful in cyclization reactions and as a precursor for heterocyclic compounds. Its high reactivity enables efficient transformations in the presence of nucleophiles or under catalytic conditions. The symmetrical structure of 1,4-dibromobutane-2,3-dione facilitates selective modifications, offering synthetic flexibility. It is typically handled under controlled conditions due to its sensitivity to moisture and potential lachrymatory properties. The compound is of interest in pharmaceutical and materials research for constructing complex molecular frameworks.
1,4-Dibromobutane-2,3-dione structure
Product Name:1,4-Dibromobutane-2,3-dione
CAS No:6305-43-7
MF:C4H4Br2O2
MW:243.881360054016
MDL:MFCD00000205
CID:85613
PubChem ID:24893797
Update Time:2025-10-15
1,4-Dibromobutane-2,3-dione Chemical and Physical Properties
Names and Identifiers
-
- 1,4-dibromo-2,3-butanedione
- 1,4-Dibromo-2,3-butanedione, (1,4-Dibromodiacetyl)
- alpha,alpha-Dibromobiacetyl~1,4-Dibromodiacetyl
- 1,4-dibromobutane-2,3-dione
- 2,2'-Dibromobiacetyl
- 2,3-BUTANEDIONE, 1,4-DIBROMO-
- 1,4-Dibromobutanedione
- S 67
- sym-Dibromodiacetyl
- alpha,alpha'-Dibromobiacetyl
- 1,4-Dibromodiacetyl
- RZMOICJDRADLCT-UHFFFAOYSA-N
- .alpha.,.alpha.'-Dibromobiacetyl
- 2, 1,4-dibromo-
- WLN: E1VV1E
- NCIOpen2_004775
- KSC495S2P
- 1,4-dibromo 2,3-butanedione
- C
- NSC 41130
- DTXSID9064219
- AS-59076
- AKOS015912914
- NSC-41130
- lucanthonehydrochloride
- F14611
- UNII-NHZ2FG6JE3
- NSC-75722
- NSC 75722
- 1,4-Dibromo-2,3-butanedione, 99%
- EN300-77568
- NSC 41130; NSC 75722
- NSC41130
- 6305-43-7
- NHZ2FG6JE3
- CHEBI:188852
- MFCD00000205
- EINECS 228-615-1
- NSC75722
- 1,3-butanedione
- FT-0606847
- SCHEMBL180158
- 3-01-00-03110 (Beilstein Handbook Reference)
- CS-0014426
- BRN 0970154
- InChI=1/C4H4Br2O2/c5-1-3(7)4(8)2-6/h1-2H
- NS00035270
- DB-054394
- 1,4-Dibromobutane-2,3-dione
-
- MDL： MFCD00000205
- Inchi： 1S/C4H4Br2O2/c5-1-3(7)4(8)2-6/h1-2H2
- InChI Key： RZMOICJDRADLCT-UHFFFAOYSA-N
- SMILES： BrCC(C(CBr)=O)=O
- BRN： 0970154
Computed Properties
- Exact Mass: 241.85800
- Monoisotopic Mass: 241.857805
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 0
- Hydrogen Bond Acceptor Count: 2
- Heavy Atom Count: 8
- Rotatable Bond Count: 3
- Complexity: 96.6
- Covalently-Bonded Unit Count: 1
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count : 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Surface Charge: 0
- Tautomer Count: 3
- XLogP3: 1.2
- Topological Polar Surface Area: 34.1
Experimental Properties
- Color/Form: Yellow lens powder with pungent smell
- Density: 2.0524 (rough estimate)
- Melting Point: 117-119?°C (lit.)
- Boiling Point: 213°C at 760 mmHg
- Flash Point: 86°C
- Refractive Index: 1.5220 (estimate)
- Water Partition Coefficient: Insoluble in water.
- PSA: 34.14000
- LogP: 0.91440
- Solubility: Not determined
1,4-Dibromobutane-2,3-dione Security Information
-
Symbol:
- Signal Word：Warning
- Hazard Statement： H315-H319-H335
- Warning Statement： P261-P305+P351+P338
- Hazardous Material transportation number：1759
- WGK Germany：3
- Hazard Category Code： 36/37/38
- Safety Instruction： S26-S36/37/39-S37/39-S27
- RTECS：EK2850000
-
Hazardous Material Identification：
- Packing Group：III
- Hazard Level：8
- Safety Term：8
- Packing Group：III
- Risk Phrases：R23/24/25; R34
- HazardClass：8
- PackingGroup：III
- TSCA：Yes
1,4-Dibromobutane-2,3-dione Customs Data
- HS CODE：2914700090
- Customs Data：
China Customs Code:
2914700090Overview:
2914700090 Halogenation of other ketones and quinones\Sulfonated derivative(Including nitrated and nitrosative derivatives). VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:5.5% general tariff:30.0%
Declaration elements:
Product Name, component content, use to, Acetone declared packaging
Summary:
HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%
1,4-Dibromobutane-2,3-dione Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | DC700-25g |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 98% | 25g |
￥660.0 | 2022-06-10 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | DC700-5g |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 98% | 5g |
￥136.0 | 2022-06-10 | |
| SHANG HAI XIAN DING Biotechnology Co., Ltd. | DC700-1g |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 98% | 1g |
￥56.0 | 2022-06-10 | |
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | D39169-25G |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 25g |
￥992.25 | 2023-11-09 | ||
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | D39169-100G |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 100g |
￥3215.6 | 2023-11-09 | ||
| SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd. | D858210-25g |
1,4-Dibromo-2,3-butanedione |
6305-43-7 | 98% | 25g |
518.00 | 2021-05-17 | |
| TRC | D077685-5g |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 5g |
$ 190.00 | 2022-06-06 | ||
| TRC | D077685-10g |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 10g |
$ 310.00 | 2022-06-06 | ||
| TRC | D077685-25g |
1,4-Dibromobutane-2,3-dione |
6305-43-7 | 25g |
$ 620.00 | 2022-06-06 | ||
| eNovation Chemicals LLC | D105331-5g |
1,4-DIBROMO-2,3-BUTANEDIONE |
6305-43-7 | 97% | 5g |
$160 | 2024-05-23 |
1,4-Dibromobutane-2,3-dione Suppliers
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier
(CAS:6305-43-7)1,4-DIBROMO-2,3-BUTANEDIONE
Order Number:sfd18133
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:38
Price ($):discuss personally
Email:[email protected]
Amadis Chemical Company Limited
Gold Member
Audited Supplier
(CAS:6305-43-7)1,4-Dibromo-2,3-Butanedione
Order Number:A928497
Stock Status:in Stock
Quantity:25g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 14:54
Price ($):296.0
Email:[email protected]
1,4-Dibromobutane-2,3-dione Related Literature
-
Lidia Marin,Laurence Lutsen,Dirk Vanderzande,Wouter Maes Org. Biomol. Chem. 2013 11 5866
-
Zhi-Xiang Zhao,Lin-Hai Hu,Shao-Cong Yu,Qing-Xiang Liu New J. Chem. 2022 46 22108
-
Cecilia Bruschi,Xin Gui,Olaf Fuhr,Wim Klopper,Claudia Bizzarri Dalton Trans. 2023 52 7809
-
Cecilia Bruschi,Xin Gui,Olaf Fuhr,Wim Klopper,Claudia Bizzarri Dalton Trans. 2023 52 7809
-
Cecilia Bruschi,Xin Gui,Olaf Fuhr,Wim Klopper,Claudia Bizzarri Dalton Trans. 2023 52 7809
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