Dibromomethane - ≥99% , CAS No.74-95-3

CAS: 74-95-3 Cat. No.: D104768 Formula: CH₂Br₂ Peso molecolare: 173.83 Beilstein Registry Number: 969143 Numero EC: 200-824-2

GRADE & PURITY ≥99%

Synonyms

Methylene bromide

Storage

Protected from light,Room temperature,Argon charged

Shipped In

FedEx DG Service

Panoramica

Dibromomethane may be used for the cyclopropanation of alkenes via Simmons-Smith type reaction. It may also be used in a novel methodology for the preparation of reaction intermediates such as α-substituted acroleins, α-methylene esters, α-keto esters, α-methylene lactones, α-methylene lactams, and α-keto lactones.

Specifications

Sinonimi

Methylene bromide

Specifiche e purezza

≥99%

Condizioni di conservazione di stoccaggio

Protected from light,Room temperature,Argon charged

Spedito in

FedEx DG Service

Purezza

≥99%

Nomi e identificatori

• Pubchem Sid: 504750625
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504750625
• Sorrisi canonici: C(Br)Br
• IUPAC Name: dibromomethane
• InChIKey: FJBFPHVGVWTDIP-UHFFFAOYSA-N
• INCHI: 1S/CH2Br2/c2-1-3/h1H2
• Isomeri SMILES: C(Br)Br
• WGK Germania: 1
• Numero UN: 2664
• Gruppo di imballaggio: III
• Peso molecolare: 173.83
• Beilstein: 969143

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organohalogen compounds
    • Classe Alkyl halides
      • Subclass Halomethanes

• Kingdom: Organic compounds
• Superclass: Organohalogen compounds
• Classe: Alkyl halides
• Subclass: Halomethanes
• Intermediate Tree Nodes: Not available
• Direct Parent: Halomethanes
• Alternative Parents: Organobromides Hydrocarbon derivatives Alkyl bromides
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Halomethane - Hydrocarbon derivative - Organobromide - Alkyl bromide - Aliphatic acyclic compound
• Descrizione: This compound belongs to the class of organic compounds known as halomethanes. These are organic compounds in which at least one of the four hydrogen atoms of methane (CH4) are replaced by halogen atoms.
• External Descriptors: one-carbon compound - bromomethanes

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Proprietà chimiche e fisiche

• Solubilità: Soluble in water (12.5 mg/ml at 20 °C), chloroform, acetone, ether, and alcohol.
• Sensibilità: Light and air sensitive
• Indice di rifrazione: 1.54
• Punto di infiammabilità (°F): 51.8℉
• Punto di infiammabilità (°C): 11°C
• Punto di ebollizione (°C): 97 °C
• Peso molecolare: 173.830 g/mol
• XLogP3: 1.800
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 173.85 Da
• Monoisotopic Mass: 171.852 Da
• Topological Polar Surface Area: 0.000 Ų
• Heavy Atom Count: 3
• Formal Charge: 0
• Complexity: 2.800
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

Riferimenti

1. Meng-Meng Lun, Chang-Yuan Su, Jie Li, Qiang-Qiang Jia, Hai-Feng Lu, Da-Wei Fu, Yi Zhang, Zhi-Xu Zhang.  (2023)  Introducing Ferroelasticity into 1D Hybrid Lead Halide Semiconductor by Halogen Substitution Strategy.  Small,  19  (49): (2303127).  [PMID:37625019] [10.1002/smll.202303127]

2. Meng-Meng Lun, Fo-Ling Zhou, Da-Wei Fu, Qiong Ye.  (2022)  Multi-functional hybrid perovskites with triple-channel switches and optical properties.  Journal of Materials Chemistry C,  10  (31): (11371-11378).  [PMID:] [10.1039/D2TC01063A]

3. Ting Huang, Huang-xian Zhang, Xiao-hua Zhang, Da-yong Peng, Xu-liang Nie, Jing Chen, Wan-ming Xiong.  (2021)  Preparation of functionalized diallylimidazole ionic liquid and its application in conversion of D-fructose into HMF.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2021.118233]

4. Ting Zhang, Chunli Jiang, Rong Luo, Ruijuan Qi, Mengqin Liu, Chunhua Luo, Hechun Lin, Hui Peng.  (2020)  Capping-ligand free grinding synthesis of luminescent lead halide perovskite nanocrystals.  Materials Today Communications,      [PMID:] [10.1016/j.mtcomm.2020.101926]

5. Dong-Mei Ma, Xian Yu, Aishun Ding, Hao Guo, Dong-Jin Qian.  (2020)  Interfacial self-assembled thioxathone monolayers on the surfaces of silica nanoparticles as efficient heterogeneous photocatalysts for the selective oxidation of aromatic thioethers under air atmosphere.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2020.125856]

6. Ting Huang, Wen Zhao, Xiaohua Zhang, Xuliang Nie, Jing Chen, Wanming Xiong.  (2020)  Synthesis and characterization of diimidazole-based hexafluorophosphate ionic liquids.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2020.114465]

7. Jun Feng, Jianchao Chen, Biaowen Wei, Shijun Liao, Yigang Yu, Xiuhua Li.  (2018)  Series-connected hexacations cross-linked anion exchange membranes for diffusion dialysis in acid recovery.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2018.10.044]

8. Jianhang Zhao, Yongjie Yuan, Lei Chen, Ye Li, Hailiang Zhang.  (2018)  High performance liquid crystalline physical gels prepared by side chain liquid crystalline polymers.  POLYMER,      [PMID:] [10.1016/j.polymer.2018.04.027]

9. Tianxiang Zhao, Xingbang Hu, Dongsheng Wu, Rui Li, Guoqiang Yang, Youting Wu.  (2017)  Direct Synthesis of Dimethyl Carbonate from Carbon Dioxide and Methanol at Room Temperature Using Imidazolium Hydrogen Carbonate Ionic Liquid as a Recyclable Catalyst and Dehydrant.  ChemSusChem,  10  (9): (2046-2052).  [PMID:28244650] [10.1002/cssc.201700128]

10. Guojian Chen, Xiaochen Wang, Jing Li, Wei Hou, Yu Zhou, Jun Wang.  (2015)  Direct Carbonization of Cyanopyridinium Crystalline Dicationic Salts into Nitrogen-Enriched Ultra-Microporous Carbons toward Excellent CO2 Adsorption.  ACS Applied Materials & Interfaces,      [PMID:26234297] [10.1021/acsami.5b04842]

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15. Shiwei Xu, Ying Yu, Boyu Zhang, Kejia Zhu, Yuan Cheng, Tao Zhang.  (2025)  Boron carbide nanoparticles for boron neutron capture therapy.  RSC Advances,  15  (14): (10717-10730).  [PMID:40196817] [10.1039/D5RA00734H]

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Domande frequenti

What is the purity of this product?

This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.

How should this product be stored?

Store at room temperature, protected from light, under argon. It is supplied under an argon blanket; reseal under inert gas after each use.

How is this product shipped?

This product is classified as dangerous goods and ships via FedEx DG Service. Ground and other economy services are not available, and delivery to some destinations or address types may be restricted.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 74-95-3, the molecular formula is CH2Br2, and the molecular weight is 173.83 g/mol. InChIKey FJBFPHVGVWTDIP-UHFFFAOYSA-N.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.