Diphenyl phosphoryl chloride - ≥97% , CAS No.2524-64-3

CAS: 2524-64-3 Cat. No.: D109475 Molecular Weight: 268.63 Beilstein Registry Number: 654130 EC Number: 219-759-6
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
Diphenylphosphorylchloridate | C12H10ClO3P | O,O-Diphenyl chlorophosphate | 3NWP61DPJ3 | DIPHENYL PHOSPHOROCHLORATE | o,o-Diphenylphosphorochloridate | Chlorodiphenyl Phosphate | Diphenyl phosphoryl chloride, 99% | diphenylchlorophosphate | diphenyl-chlor
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
D109475-25g
3
$9.90
100g
D109475-100g
1
$14.90
500g
D109475-500g
3
$42.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Argon charged,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 21 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Diphenylphosphorylchloridate | C12H10ClO3P | O, O-Diphenyl chlorophosphate | 3NWP61DPJ3 | DIPHENYL PHOSPHOROCHLORATE | o, o-Diphenylphosphorochloridate | Chlorodiphenyl Phosphate | Diphenyl phosphoryl chloride, 99% | diphenylchlorophosphate | diphenyl-chlor
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504754973
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504754973
Canonical SmilesC1=CC=C(C=C1)OP(=O)(OC2=CC=CC=C2)Cl
IUPAC Name[chloro(phenoxy)phosphoryl]oxybenzene
InChIKeyBHIIGRBMZRSDRI-UHFFFAOYSA-N
INCHI1S/C12H10ClO3P/c13-17(14,15-11-7-3-1-4-8-11)16-12-9-5-2-6-10-12/h1-10H
Isomeric SMILES C1=CC=C(C=C1)OP(=O)(OC2=CC=CC=C2)Cl
WGK Germany 3
UN Number 1760
Packing Group I
Molecular Weight 268.63
Beilstein 654130
Reaxy-Rn 654130
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=654130&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.

View datasheet →

🔬 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
SubclassPhenoxy compounds
Intermediate Tree Nodes Not available
Direct ParentPhenoxy compounds
Alternative Parents Phosphate esters  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenoxy compound - Phosphoric acid ester - Organic phosphoric acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenoxy compounds. These are aromatic compounds contaning a phenoxy 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.

20 results found

Lot NumberCertificate TypeDateItem
F2224051Certificate of AnalysisApr 02, 2026 D109475
F2224050Certificate of AnalysisApr 02, 2026 D109475
F2609072Certificate of AnalysisOct 15, 2025 D109475
J2527406Certificate of AnalysisOct 15, 2025 D109475
J2527405Certificate of AnalysisOct 15, 2025 D109475
J2527404Certificate of AnalysisOct 15, 2025 D109475
J2527403Certificate of AnalysisOct 15, 2025 D109475
A2206913Certificate of AnalysisOct 13, 2025 D109475
A2206922Certificate of AnalysisOct 13, 2025 D109475
F2103116Certificate of AnalysisMar 04, 2025 D109475
F2103115Certificate of AnalysisMar 04, 2025 D109475
I2419221Certificate of AnalysisJun 17, 2024 D109475
F2528082Certificate of AnalysisMar 04, 2023 D109475
G2319330Certificate of AnalysisMar 04, 2023 D109475
G2319336Certificate of AnalysisMar 04, 2023 D109475
G2319344Certificate of AnalysisMar 04, 2023 D109475
G2319354Certificate of AnalysisMar 04, 2023 D109475
B2505115Certificate of AnalysisMar 04, 2023 D109475
F2224052Certificate of AnalysisJun 05, 2022 D109475
E1811038Certificate of AnalysisMar 25, 2022 D109475

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Chemical and Physical Properties
SolubilityImmiscible with water.
SensitivityMoisture sensitive
Refractive Index1.5485-1.5505
Flash Point(°F)>235.4 °F
Flash Point(°C)>113 °C
Boil Point(°C)314-316°C
Molecular Weight268.630 g/mol
XLogP33.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count4
Exact Mass268.006 Da
Monoisotopic Mass268.006 Da
Topological Polar Surface Area35.500 Ų
Heavy Atom Count17
Formal Charge0
Complexity249.000
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
Documents & Articles
Citations of This Product
References
1. Tang Gang, Tao Yi, Wu Qiang, Shen Haifeng, Sun Junjie, Deng Dan, Liu Xiuyu.  (2023)  DOPO-based derivatives with different phosphorous oxidation states as highly efficient flame retardants for epoxy resins.  POLYMER BULLETIN,      [PMID:] [10.1007/s00289-023-04997-x]
2. Delai Jiao, Haofei Sima, Xiaolin Shi, Chunling Zhang, Bo Liu.  (2023)  Mussel-inspired flame retardant coating on polyurethane foam.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.145588]
3. Xin Wang, Jiali Huang, Lei Song, Yuan Hu.  (2022)  Synthesis of phosphorus-containing cardanol-derived phenalkamine: a sustainable curing agent to access high-performance bio-based epoxy thermosets.  GREEN CHEMISTRY,  24  (23): (9269-9281).  [PMID:] [10.1039/D2GC03783A]
4. Xie Li, Qiuru Bao, Kexuan Chen, Ren He, Yuan Liu, Qi Wang.  (2022)  Reprocessable Flame Retardant Silicone Polyurethane Based on Dynamic Phenylborate Ester Covalent and N–P–Si Synergistic Effect.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.2c03717]
5. Lv Xiaojing, Jinwei Wang, Yong Guo.  (2022)  Evaluation of bisphenol-A epoxy cured with diethylenetriamine by using phosphorus containing liquid poly(1,2-butadiene) as multifunctional additives.  JOURNAL OF APPLIED POLYMER SCIENCE,  139  (48): (e53224).  [PMID:] [10.1002/app.53224]
6. Yu Xu, Wen-Jie Yang, Qian-Kun Zhou, Tian-Yu Gao, Guo-Mei Xu, Qi-Long Tai, San-E Zhu, Hong-Dian Lu, Richard K.K. Yuen, Wei Yang, Chun-Xiang Wei.  (2022)  Highly thermo-stable resveratrol-based flame retardant for enhancing mechanical and fire safety properties of epoxy resins.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.138475]
7. Jia-Li Huang, Hong-Liang Ding, Xin Wang, Lei Song, Yuan Hu.  (2022)  Cardanol-derived anhydride cross-linked epoxy thermosets with intrinsic anti-flammability, toughness and shape memory effect.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.137906]
8. Wenwen Guo, Fuwei Liang, Shun Chen, Kejing Yu, Jie Sun, Zengyuan Pang, Bin Fei.  (2022)  Magnolol-derived thiol-ene photo-polymerized membranes with intrinsic anti-flammability and high transparency.  COMPOSITES PART B-ENGINEERING,      [PMID:] [10.1016/j.compositesb.2022.110074]
9. Wenwen Guo, Fuwei Liang, Shun Chen, Diantang Zhang, Wenbing Li, Kun Qian, Yang Xu, Bin Fei.  (2022)  Synthesis of magnolol-derived bisphosphate for fabrication of bismaleimide resins with intrinsic anti-flammability and smoke suppression.  POLYMER DEGRADATION AND STABILITY,      [PMID:] [10.1016/j.polymdegradstab.2022.110002]
10. Wenwen Guo, Xin Wang, Jiali Huang, Xiaowei Mu, Wei Cai, Lei Song, Yuan Hu.  (2021)  Phosphorylated cardanol-formaldehyde oligomers as flame-retardant and toughening agents for epoxy thermosets.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2021.130192]
11. Xin Wang, Haoxin Niu, Wenwen Guo, Lei Song, Yuan Hu.  (2021)  Cardanol as a versatile platform for fabrication of bio-based flame-retardant epoxy thermosets as DGEBA substitutes.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2021.129738]
12. Wang Xie, Shengwei Guo, Yuan Liu, Rong Chen, Qi Wang.  (2020)  Organic-inorganic hybrid strategy based on ternary copolymerization to prepare flame retardant poly(methyl methacrylate) with high performance.  COMPOSITES PART B-ENGINEERING,      [PMID:] [10.1016/j.compositesb.2020.108437]
13. Zhenjie Ding, Li Yuan, Ting Huang, Guozheng Liang, Aijuan Gu.  (2019)  High-Temperature Triple-Shape Memory Polymer with Full Recovery through Cross-Linking All-Aromatic Liquid Crystalline Poly(ester imide) under Reduced Molding Temperature.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.9b00662]
14. San-E Zhu, Li-Li Wang, Hao Chen, Wei Yang, Anthony Chun-Yin Yuen, Timothy Bo-Yuan Chen, Cheng Luo, Wen-Mei Bi, En-Zhu Hu, Jian Zhang, Jing-Yu Si, Hong-Dian Lu, Kun-Hong Hu, Qing Nian Chan, Guan Heng Yeoh.  (2018)  Comparative Studies on Thermal, Mechanical, and Flame Retardant Properties of PBT Nanocomposites via Different Oxidation State Phosphorus-Containing Agents Modified Amino-CNTs.  Nanomaterials,  (2): (70).  [PMID:29373531] [10.3390/nano8020070]
15. Jun Wang, Rui Gao, Na Zhang, Xiangkun Tan, Libo Wang, Lili Ma, Weiguang Shi.  (2017)  Novel Dendritic PNP Chromium Complexes: Synthesis, Characterization, and Performance on Ethylene Oligomerization.  HELVETICA CHIMICA ACTA,  100  (12): (e1700162).  [PMID:] [10.1002/hlca.201700162]
16. Jie Chen, Xiaoying Li, Yigang Wang, Ke Li, Jinrui Huang, Jianchun Jiang, Xiaoan Nie.  (2016)  Synthesis and application of a novel environmental plasticizer based on cardanol for poly(vinyl chloride).  Journal of the Taiwan Institute of Chemical Engineers,      [PMID:] [10.1016/j.jtice.2016.05.025]
17. Chaoran Xu, Wei He, Yaqi Lv, Chao Qin, Lingjia Shen, Lifang Yin.  (2015)  Self-assembled nanoparticles from hyaluronic acid–paclitaxel prodrugs for direct cytosolic delivery and enhanced antitumor activity.  INTERNATIONAL JOURNAL OF PHARMACEUTICS,      [PMID:26232702] [10.1016/j.ijpharm.2015.07.069]
18. Shu-Qin Fu, Jian-Wei Guo, Dong-Yu Zhu, Zhe Yang, Chu-Fen Yang, Jia-Xing Xian, Xiong Li.  (2015)  Novel halogen-free flame retardants based on adamantane for polycarbonate.  RSC Advances,  (82): (67054-67065).  [PMID:] [10.1039/C5RA10887J]
19. Qingqing Sun, Mengyuan Wang, Qingqing Wen, Haili Dong, Yanchao Lyu, Jie Han, Rong Guo.  (2025)  Hydrolytic degradation of nerve agent simulants accelerated by host-guest gold nanozymes.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.163290]
20. Yifang Hua, Qinghua Peng, Jingfan Zhang, Weiwen Gu, Jingyu Zhang, Jun Sun, Xiaoyu Gu, Haiqiao Wang, Sheng Zhang.  (2025)  Influence of amine curing agents on phase change performance in developing flame-retardant thermal management epoxy composites.  ENERGY,      [PMID:] [10.1016/j.energy.2025.136474]
21. Shengtao Pan, Wenhu Wu, Xinfang Wang, Huan Guan, Huaguang Yu, Jiyan Liu, Zuogang Huang, Xueqing Liu.  (2026)  Synthesis of Benzocyclobutene-Capping Liquid Crystalline Poly(ester imide)s with Low Coefficient of Thermal Expansion and Dielectric Constant.  Polymers,  18  (5): (604).  [PMID:41829303] [10.3390/polym18050604]
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