α,α'-Dibromo-p-xylene - ≥97% , CAS No.623-24-5

CAS: 623-24-5 Cat. No.: D100654 Molecular Weight: 263.96 Beilstein Registry Number: 1100019 EC Number: 210-781-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
p-Xylylene dibromide | p-Xylylene bromide | 1,4-Bis(bromomethyl)benzene
Storage
Protected from light,Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
5g
D100654-5g
1

$25.90

$27.90
Save $2.00 (7.17%)
25g
D100654-25g
3
$89.90
100g
D100654-100g
1

$290.90

$329.90
Save $39.00 (11.82%)
500g
D100654-500g
1

$1,015.90

$1,487.90
Save $472.00 (31.72%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Protected from light,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 22 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
p-Xylylene dibromide | p-Xylylene bromide | 1, 4-Bis(bromomethyl)benzene
Specifications & Purity
≥97%
Storage
Protected from light, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Canonical SmilesC1=CC(=CC=C1CBr)CBr
IUPAC Name1,4-bis(bromomethyl)benzene
InChIKeyRBZMSGOBSOCYHR-UHFFFAOYSA-N
INCHI1S/C8H8Br2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H,5-6H2
Isomeric SMILES C1=CC(=CC=C1CBr)CBr
WGK Germany 3
UN Number 2928
Packing Group II
Molecular Weight 263.96
Beilstein 1100019
Reaxy-Rn 1100019
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1100019&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzyl halides
Intermediate Tree Nodes Not available
Direct ParentBenzyl bromides
Alternative Parents Organobromides  Hydrocarbon derivatives  Alkyl bromides  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzyl bromide - Hydrocarbon derivative - Organobromide - Organohalogen compound - Alkyl halide - Alkyl bromide - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzyl bromides. These are organic compounds containing a benzene skeleton substituted with a bromomethyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

35 results found

Lot NumberCertificate TypeDateItem
I2414478Certificate of AnalysisJun 15, 2026 D100654
I2414479Certificate of AnalysisJun 15, 2026 D100654
C2624429Certificate of AnalysisMar 10, 2026 D100654
F2609023Certificate of AnalysisMar 10, 2026 D100654
C2624427Certificate of AnalysisMar 10, 2026 D100654
C2624426Certificate of AnalysisMar 10, 2026 D100654
C2624425Certificate of AnalysisMar 10, 2026 D100654
J2527394Certificate of AnalysisOct 13, 2025 D100654
J2527395Certificate of AnalysisOct 13, 2025 D100654
J2527396Certificate of AnalysisOct 13, 2025 D100654
J2527397Certificate of AnalysisOct 13, 2025 D100654
I2306398Certificate of AnalysisJun 10, 2025 D100654
I2306397Certificate of AnalysisJun 10, 2025 D100654
D2312788Certificate of AnalysisJan 13, 2025 D100654
A2303424Certificate of AnalysisOct 21, 2024 D100654
I2414482Certificate of AnalysisAug 19, 2024 D100654
I2414481Certificate of AnalysisAug 19, 2024 D100654
I2414480Certificate of AnalysisAug 19, 2024 D100654
C2414367Certificate of AnalysisMar 02, 2024 D100654
E2219087Certificate of AnalysisFeb 20, 2024 D100654
C2112202Certificate of AnalysisNov 13, 2023 D100654
I2306399Certificate of AnalysisAug 10, 2023 D100654
D2312805Certificate of AnalysisMar 14, 2023 D100654
D2312793Certificate of AnalysisMar 14, 2023 D100654
D2312789Certificate of AnalysisMar 14, 2023 D100654
G2304653Certificate of AnalysisFeb 06, 2023 D100654
C2112206Certificate of AnalysisDec 13, 2022 D100654
C2112205Certificate of AnalysisDec 13, 2022 D100654
G2319032Certificate of AnalysisDec 13, 2022 D100654
I2209048Certificate of AnalysisMar 15, 2022 D100654
E2219088Certificate of AnalysisMar 15, 2022 D100654
E2219080Certificate of AnalysisMar 15, 2022 D100654
E2219079Certificate of AnalysisMar 15, 2022 D100654
A2303421Certificate of AnalysisMar 15, 2022 D100654
A2214200Certificate of AnalysisFeb 11, 2022 D100654

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Chemical and Physical Properties
SolubilitySoluble in water (react), and toluene.
SensitivityLight & Moisture sensitive
Boil Point(°C)245°C
Melt Point(°C)142-147°C
Molecular Weight263.960 g/mol
XLogP33.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count2
Exact Mass263.897 Da
Monoisotopic Mass261.899 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity73.300
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Pengfei Tang, Chao Wen, Yuxian Xing, Chuantao Yin, Haoming Tai, Jiajun Feng, Juan He, Feng Jiang.  (2023)  High-Performance Stimulus-Healable Sustainable Multiblock Copolymer Elastomers with Magnetothermal and Photothermal Properties.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.3c01532]
2. Pengfei Tang, Zhiqiang Wang, Chao Wen, Chuantao Yin, Yuxian Xing, Haoming Tai, Feng Jiang.  (2023)  Sustainable Multiblock Copolymer Elastomers Derived from Lignin with Tunable Performance toward Strong Adhesives and UV-Shielding Materials.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.3c01168]
3. Jinkang Dou, Minghui Xu, Bojun Tan, Hongchang Mo, Xianming Lu, Bozhou Wang, Ning Liu.  (2023)  Synthesis of Highly Stable and Reactive Nitrile N-Oxides and Their Application as Catalyst-Free Crosslinkers.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.3c00360]
4. Changqing Guo, Guanghui Chen, Ning Wang, Shougui Wang, Yuwen Gao, Jipeng Dong, Qing Lu, Fei Gao.  (2023)  Construction of multifunctional histidine-based hypercrosslinked hierarchical porous ionic polymers for efficient CO2 capture and conversion.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2023.123375]
5. Xiao-Xuan Guo, Feng-Lei Zhang, Yaseen Muhammad, Dong-Liang Hu, Zhao-Tian Cai, Guo-Min Xiao.  (2022)  Enhancement in the active site exposure in a porphyrin-based PIL/graphene composite catalyst for the highly efficient conversion of CO2.  DALTON TRANSACTIONS,  51  (8): (3331-3340).  [PMID:35137742] [10.1039/D1DT04338B]
6. Chao Liu, Lei Shi, Jiaxu Zhang, Jianmin Sun.  (2021)  One-pot synthesis of pyridine-based ionic hyper-cross-linked polymers with hierarchical pores for efficient CO2 capture and catalytic conversion.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2021.131633]
7. Qun Li, Tingting Huang, Zichen Zhang, Meng Xiao, Hengjun Gai, Yu Zhou, Hongbing Song.  (2021)  Highly Efficient Hydrogenation of CO2 to Formic Acid over Palladium Supported on Dication Poly(ionic liquid)s.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2021.111644]
8. Datong Wu, Fei Pan, Li Gao, Yongxin Tao, Yong Kong.  (2020)  Enantioselective Limiting Transport into a Fixed Cavity via Supramolecular Interaction for the Chiral Electroanalysis of Amino Acids Regardless of Electroactive Units.  ANALYTICAL CHEMISTRY,      [PMID:32957775] [10.1021/acs.analchem.0c00554]
9. Wenli Zhang, Fangpei Ma, Long Ma, Yu Zhou, Jun Wang.  (2019)  Imidazolium-Functionalized Ionic Hypercrosslinked Porous Polymers for Efficient Synthesis of Cyclic Carbonates from Simulated Flue Gas.  ChemSusChem,  13  (2): (341-350).  [PMID:31709710] [10.1002/cssc.201902952]
10. Hengchang Ma, Yucheng Ma, Lei Lei, Manyi Yang, Yanfang Qin, Ziqiang Lei, Lu Chang, Tao Wang, Yuan Yang, Xiaoqiang Yao.  (2018)  Multiple cation-doped linear polymers toward ATP sensing and a cell imaging application.  NEW JOURNAL OF CHEMISTRY,  42  (12): (9702-9708).  [PMID:] [10.1039/C8NJ00381E]
11. Houluo Cong, Jingang Li, Lei Li, Sixun Zheng.  (2014)  Thermoresponsive gelation behavior of poly(N-isopropylacrylamide)-block-poly(N-vinylpyrrolidone)-block-poly(N-isopropylacrylamide) triblock copolymers.  EUROPEAN POLYMER JOURNAL,      [PMID:] [10.1016/j.eurpolymj.2014.09.018]
12. Qiongbo Zhou, Ding Gao, Jun Liu, Xuzhuo Sun, Lei Zhang, Bin Qi, Haibo Zhang, Chunlan Xia, Xiaohai Zhou.  (2013)  Transformation of micelles into supramolecular vesicles triggered by the formation of [4]pseudorotaxanes.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:24034222] [10.1016/j.jcis.2013.08.019]
13. Houluo Cong, Lei Li, Sixun Zheng.  (2013)  Poly(N-isopropylacrylamide)-block-poly(vinyl pyrrolidone) block copolymer networks: Synthesis and rapid thermoresponse of hydrogels.  POLYMER,      [PMID:] [10.1016/j.polymer.2012.12.069]
14. Jianjun Wang, Tingting Wu, Xianlong Wang, Jiaqi Chen, Minyi Fan, Zhichun Shi, Jiao Liu, Liang Xu, Yu Zang.  (2024)  Construction of hydroxyl-functionalized hyper-crosslinked networks from polyimide for highly efficient iodine adsorption.  iScience,      [PMID:38327786] [10.1016/j.isci.2024.108993]
15. Fangfang Zhang, Yingxuan Wen, Falong Shan, Jingru Dou, Shougui Wang, Jipeng Dong, Guanghui Chen, Fei Gao.  (2025)  Construction of pyridine-based porous ionic polymers with rich multifunctional sites for efficient CO2 cycloaddition.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2025.115366]
16. Yingxuan Wen, Fangfang Zhang, Jingru Dou, Shougui Wang, Fei Gao, Falong Shan, Jipeng Dong, Guanghui Chen.  (2024)  Multifunctional ionic covalent triazine framework as heterogeneous catalysts for efficient CO2 cycloaddition.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.130579]
17. Jianjun Wang, Tingting Wu, Dongning Li, Zhichun Shi, Jiao Liu, Yu Zang, Toshiki Aoki.  (2024)  Novel chiral composite membranes coated by microporous hyper-crosslinked polymer for efficiently enantioselective separation.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.126833]
18. Na Wei, Lin Liu, Jia-Qi Chu, Ting Fang, Zheng-Bo Han, Zhen Zhao.  (2024)  Robust core−shell ZIF-67@PDB-Br as synergetic catalyst for chemical fixation of CO2 without co-catalysts.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2024.114694]
19. Ming Sun, Yuqiao Jiang, Qinhua Qu, Jingya Yang, Linyan Cheng, Cheng Fang, Hongping Li, Jing Ding, Hui Wan, Guofeng Guan.  (2024)  The embedding of 1,8-diazabicyclo[5.4.0]undec-7-ene into hyper-crosslinked ionic polymers for efficient CO2 conversion at atmospheric pressure.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.130148]
20. Chaoji Xiong, Hao Wang, Lihua Deng, Kun Liang, Chunhua Wu, Wei Wu, Xiaoping Rao, Qian Chen.  (2024)  Thio-groups decorated covalent triazine polyamide (TTPA) for Hg2+ adsorption: Efficiency and mechanism.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2024.112340]
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