1,4-Phenylene diisocyanate (PPDI) - ≥98% , CAS No.104-49-4

CAS: 104-49-4 Cat. No.: P103566 Molecular Weight: 160.13 Beilstein Registry Number: 13(4)174 EC Number: 203-207-6
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Phenylene-1,4-diisocyanate | 1,4-Benzenediisocyanate | Benzene 1,4-Diisocyanate | EN300-20167 | 4,4'-Phenylisocyanate | UNII-OKE64XZR2L | 1,4-PHENYLENEBIS(ISOCYANATE) | BENZENE, 1,4-DIISOCYANATO- | FT-0631571 | 1,4-Phenylene diisocyanate | p-Phenylene dii
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
P103566-5g
1

$9.90

$11.90
Save $2.00 (16.81%)
25g
P103566-25g
3

$28.90

$55.90
Save $27.00 (48.30%)
100g
P103566-100g
1

$89.90

$131.90
Save $42.00 (31.84%)
250g
P103566-250g
2

$168.90

$250.90
Save $82.00 (32.68%)
500g
P103566-500g
2

$259.90

$399.90
Save $140.00 (35.01%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

Cited in 39 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

1,4-Phenylene diisocyanate has been used: as croos-linking reagent to investigate the mechanism of enzyme immobilization on silanized surfaces in the synthesis of dipodal bis-urea receptor, a selective receptor for hydrogen sulfate in deposition of polyurea resists films via molecular layer deposition

Specifications

Synonyms
Phenylene-1, 4-diisocyanate | 1, 4-Benzenediisocyanate | Benzene 1, 4-Diisocyanate | EN300-20167 | 4, 4'-Phenylisocyanate | UNII-OKE64XZR2L | 1, 4-PHENYLENEBIS(ISOCYANATE) | BENZENE, 1, 4-DIISOCYANATO- | FT-0631571 | 1, 4-Phenylene diisocyanate | p-Phenylene dii
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CC(=CC=C1N=C=O)N=C=O
IUPAC Name1,4-diisocyanatobenzene
InChIKeyALQLPWJFHRMHIU-UHFFFAOYSA-N
INCHI1S/C8H4N2O2/c11-5-9-7-1-2-8(4-3-7)10-6-12/h1-4H
Isomeric SMILES C1=CC(=CC=C1N=C=O)N=C=O
WGK Germany 3
RTECS CZ6150000
UN Number 2811
Packing Group I
Molecular Weight 160.13
Beilstein 13(4)174
Reaxy-Rn 511118
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=511118&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
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzene and substituted derivatives
Alternative Parents Isocyanates  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Monocyclic benzene moiety - Isocyanate - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
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.

42 results found

Lot NumberCertificate TypeDateItem
I2503003Certificate of AnalysisJun 15, 2026 P103566
D2517499Certificate of AnalysisFeb 05, 2026 P103566
A2405225Certificate of AnalysisJan 26, 2026 P103566
A2405228Certificate of AnalysisJan 26, 2026 P103566
A2405230Certificate of AnalysisJan 26, 2026 P103566
A2405354Certificate of AnalysisJan 26, 2026 P103566
A2405356Certificate of AnalysisJan 26, 2026 P103566
F2223363Certificate of AnalysisJan 21, 2026 P103566
J2324051Certificate of AnalysisJan 21, 2026 P103566
C2511100Certificate of AnalysisDec 10, 2025 P103566
L2502505Certificate of AnalysisNov 18, 2025 P103566
L2502504Certificate of AnalysisNov 18, 2025 P103566
L2502503Certificate of AnalysisNov 18, 2025 P103566
L2502502Certificate of AnalysisNov 18, 2025 P103566
L2502501Certificate of AnalysisNov 18, 2025 P103566
L2502365Certificate of AnalysisNov 18, 2025 P103566
E2628108Certificate of AnalysisNov 18, 2025 P103566
B2513078Certificate of AnalysisNov 05, 2025 P103566
L2416773Certificate of AnalysisOct 13, 2025 P103566
L2416819Certificate of AnalysisOct 11, 2025 P103566
D2517501Certificate of AnalysisApr 08, 2025 P103566
E2515035Certificate of AnalysisApr 08, 2025 P103566
D2517497Certificate of AnalysisApr 08, 2025 P103566
D2517498Certificate of AnalysisApr 08, 2025 P103566
D2517500Certificate of AnalysisApr 08, 2025 P103566
A2405355Certificate of AnalysisApr 03, 2025 P103566
A2405229Certificate of AnalysisApr 03, 2025 P103566
L2420086Certificate of AnalysisApr 03, 2025 P103566
A2405226Certificate of AnalysisApr 03, 2025 P103566
A2405227Certificate of AnalysisApr 03, 2025 P103566
A2405224Certificate of AnalysisApr 03, 2025 P103566
L1904106Certificate of AnalysisApr 03, 2025 P103566
I2221043Certificate of AnalysisApr 03, 2025 P103566
F2307370Certificate of AnalysisApr 03, 2025 P103566
F2223386Certificate of AnalysisApr 03, 2025 P103566
F2223382Certificate of AnalysisApr 03, 2025 P103566
F2223365Certificate of AnalysisApr 03, 2025 P103566
F2223359Certificate of AnalysisApr 03, 2025 P103566
D2501498Certificate of AnalysisJul 13, 2024 P103566
L2416818Certificate of AnalysisJul 13, 2024 P103566
L2416827Certificate of AnalysisJul 13, 2024 P103566
I2002166Certificate of AnalysisJun 17, 2024 P103566

Show more ⌵

Chemical and Physical Properties
Solubilitysoluble:THF,acetone,ethyl acetate,toluene
SensitivityMoisture&Heat sensitive
Flash Point(°F)>235.4 °F
Flash Point(°C)>113 °C
Boil Point(°C)260°C
Melt Point(°C)96-99°C
Molecular Weight160.130 g/mol
XLogP33.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass160.027 Da
Monoisotopic Mass160.027 Da
Topological Polar Surface Area58.900 Ų
Heavy Atom Count12
Formal Charge0
Complexity205.000
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. Shucheng Liu, Nana Tang, Xuan Zhang, Hao Huang, Jinyu Li, Hongxiang Ou.  (2023)  Hydrophilic porous boronate imprinted hydrogels for ultrafast transport and highly specific separation of flavoniods: A interfacial cooperative emulsion imprinted strategy based on microreactors.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.147502]
2. Xing Zhou, Guosheng Wang, Dexiang Li, Qi Wang, Keming Zhu, Yaya Hao, Yueyang Xu, Neng Li.  (2023)  Shape-memory polyurethane elastomer originated from waste PET plastic and their composites with carbon nanotube for sensitive and stretchable strain sensor.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2023.107920]
3. Jiadong Wang, Min Wang, Xi Zhang, Yang Han, Yingxue Wu, Dong Wang, Xuan Qin, Yonglai Lu, Liqun Zhang.  (2023)  Quantification Characterization of Hierarchical Structure of Polyurethane by Advanced AFM and X-ray Techniques.  ACS Applied Materials & Interfaces,      [PMID:37705159] [10.1021/acsami.3c07860]
4. Yi Liu, Shuangjiang Li, Ying Chen, Mengrui Li, Zewen Chen, Tianding Hu, Lan Shi, Manoj Pudukudy, Shaoyun Shan, Yunfei Zhi.  (2023)  Urea/amide-functionalized melamine-based organic polymers as efficient heterogeneous catalysts for CO2 cycloaddition.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.145918]
5. Qinglin Dai, Daohao Li, Yuanyuan Sun, Hu Wang, Yun Lu, Dongjiang Yang.  (2023)  Low temperature-resistant superhydrophobic and elastic cellulose aerogels derived from seaweed solid waste as efficient oil traps for oil/water separation.  CHEMOSPHERE,      [PMID:37330065] [10.1016/j.chemosphere.2023.139179]
6. Jinhua Li, Xiuli Xu, Feng Zhang, Wei Guo, Xiujuan Wang, Yun Xie, Feifang Zhang.  (2023)  Urea-based magnetic porous organic frameworks as novel adsorbent for the enrichment of phenylurea herbicides in foods.  FOOD CHEMISTRY,      [PMID:37267786] [10.1016/j.foodchem.2023.136436]
7. Naijie Wang, Di Qin, Qiu Sun, Xiangqun Chen, Ying Song, Tiezhu Xin.  (2023)  Single-Ion Conducting Polyurethane-Ester Solid Polymer Electrolyte Membrane toward Lithium Metal Batteries.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.2c02197]
8. Jingjing Bai, Jingjing Cui, Yidan Ma, Wenhao Zhao, Yulong Wang, Zhenzhong Li.  (2021)  Orange emissive N-doped carbon dots and their application in detection of water in organic solvents and the polyurethane composites.  OPTICAL MATERIALS,      [PMID:] [10.1016/j.optmat.2021.111927]
9. Haiyang Liu, Jiaxing Wang, Miao Sun, Yu Wang, Runing Zhao, Xiaojie Zhang, Yanfei Zhao.  (2021)  Novel melamine-based porous organic polymers: synthesis, characterizations, morphology modifications, and their applications in lithium–sulfur batteries.  NANOTECHNOLOGY,  33  (8): (085704).  [PMID:34781273] [10.1088/1361-6528/ac39c9]
10. Minggui Peng, Peng Liu, Zhangjian Li, Zhe Li, Jiaming Wen, Chaobo Yan, Qi Zhang, Xierong Zeng, Jizhao Zou.  (2021)  Construction of Co/N-doped porous rose-like structure for efficient oxygen reduction reaction catalyst and Zn-air battery.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2021.150665]
11. Yunxia Xia, Tuo Di, Zhaohui Meng, Tingting Zhu, Yujie Lei, Sheng Chen, Tiesheng Li, Lei Li.  (2021)  Versatile One-Pot Construction Strategy for the Preparation of Porous Organic Polymers via Domino Polymerization.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.1c00473]
12. Wenlian Wang, Tianxiang Yang, Shuai Li, Jing Lu, Xiaoyang Zhao, Weizhen Fan, Chaojun Fan, Xiaoxi Zuo, Shaolong Tie, Junmin Nan.  (2020)  1,4-Phenylene diisocyanate (PPDI)-containing low H2O/HF and multi-functional electrolyte for LiNi0·6Co0·2Mn0·2O2/graphite batteries with enhanced performances.  JOURNAL OF POWER SOURCES,      [PMID:] [10.1016/j.jpowsour.2020.229172]
13. Jing Tan, Jittima Meeprasert, Yuxue Ding, Supawadee Namuangruk, Xuesong Ding, Changchun Wang, Jia Guo.  (2018)  Cyclomatrix Polyphosphazene Porous Networks with J-Aggregated Multiphthalocyanine Arrays for Dual-Modality Near-Infrared Photosensitizers.  ACS Applied Materials & Interfaces,      [PMID:30362706] [10.1021/acsami.8b13594]
14. Kai Xu, Haiming Jin, Linfang Wang, Yi Liu, Chen Zhou, Jürgen Caro, Aisheng Huang.  (2018)  Seeding-free synthesis of oriented zeolite LTA membrane on PDI-modified support for dehydration of alcohols.  SEPARATION SCIENCE AND TECHNOLOGY,      [PMID:] [10.1080/01496395.2018.1434203]
15. Wanqing Lei, Changqing Fang, Xing Zhou, Jiabin Li, Rong Yang, Zisen Zhang, Donghong Liu.  (2017)  Thermal properties of polyurethane elastomer with different flexible molecular chain based on para-phenylene diisocyanate.  JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,      [PMID:] [10.1016/j.jmst.2017.05.014]
16. Wanqing Lei, Changqing Fang, Xing Zhou, Youliang Cheng, Rong Yang, Donghong Liu.  (2017)  Morphology and thermal properties of polyurethane elastomer based on representative structural chain extenders.  THERMOCHIMICA ACTA,      [PMID:] [10.1016/j.tca.2017.04.008]
17. Bo Feng, Kai Xu, Aisheng Huang.  (2016)  Covalent synthesis of three-dimensional graphene oxide framework (GOF) membrane for seawater desalination.  DESALINATION,      [PMID:] [10.1016/j.desal.2016.04.030]
18. Chenggang Zhu, Xiangdong Zhu, James P. Landry, Zhaomeng Cui, Quanfu Li, Yongjun Dang, Lan Mi, Fengyun Zheng, Yiyan Fei.  (2016)  Developing an Efficient and General Strategy for Immobilization of Small Molecules onto Microarrays Using Isocyanate Chemistry.  SENSORS,  16  (3): (378).  [PMID:26999137] [10.3390/s16030378]
19. Gaofeng Feng, Hong-Fei Qian, Gang Bai, Yan-Chun Liu, Ling-Ling Hu.  (2016)  Synthesis, characterization, and application of diester/diurethane tethered azo disperse dyes: A new strategy to improve dye's fastness properties.  DYES AND PIGMENTS,      [PMID:] [10.1016/j.dyepig.2016.02.010]
20. Guangdong Zhao, Ping Hu, Shanbao Zhou, Guiqing Chen, Yumin An, Yehong Cheng, Jiadong An, Xinghong Zhang, Wenbo Han.  (2016)  Ordered Silica Nanoparticles Grown on a Three-Dimensional Carbon Fiber Architecture Substrate with Siliconborocarbonitride Ceramic as a Thermal Barrier Coating.  ACS Applied Materials & Interfaces,      [PMID:26799760] [10.1021/acsami.5b12140]
21. Yao Chen, Bin Zhang, Zhe Gao, Chaoqiu Chen, Shichao Zhao, Yong Qin.  (2014)  Functionalization of multiwalled carbon nanotubes with uniform polyurea coatings by molecular layer deposition.  CARBON,      [PMID:] [10.1016/j.carbon.2014.10.090]
22. Jizhao Zou, Tao Liang, Minggui Peng, Peng Liu, Zhe Li, Jiaming Wen, Zhangjian Li, Yusheng Yan, Xin Yu, Xierong Zeng, Junfeng Huang.  (2024)  Construction of oxygen-vacancy-rich 2D nitrogen-doped carbon nanosheets with CoFe@CoFe2O4 heterogeneous interfacial structure for rechargeable Zn–air batteries.  Journal of Energy Storage,      [PMID:] [10.1016/j.est.2024.110815]
23. Dawei Xiang, Manying Zhu, Yuefeng Chen, Shixing Wang, Zhengwu Peng, Dekun Zhang, Likang Fu.  (2024)  Design and synthesis of covalent organic framework based on 2,4,6-triaminopyrimidine for efficient capture of Au(III) ion.  JOURNAL OF MOLECULAR LIQUIDS,      [PMID:] [10.1016/j.molliq.2024.125054]
24. Shiyu Xiao, Yang Cao, Yinhua Wan, Xiaofeng Hang, Jianquan Luo.  (2024)  High-performance polyurea nanofiltration membrane for waste lithium-ion batteries recycling: Leveraging synergistic control of bulk and interfacial monomer diffusion.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2024.123405]
25. Puli Hu, Hongzhi Liang, Beier Kong, Jinjiang Lv, Aori Qileng, Hongshuai Zhu, Yingju Liu.  (2024)  Real-time monitoring of pork freshness using polyvinyl alcohol/modified agar multilayer gas-sensitive labels.  FOOD CHEMISTRY,      [PMID:38583402] [10.1016/j.foodchem.2024.139245]
26. Peihang Li, Jiaqi Zhang, Hongfei Huang, Kangyuan Peng, Ziqiang Xu, Xueqin Chen, Bingbing Jiang.  (2024)  Scale-Up Fabrication of Fiber Membrane Based on Nanoporous Polyurea Colloids for Organic Solvents/Water Separation.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.3c02688]
27. Bo Lin, Wangzhi Chen, Yujie Lei, Xingyu Ma, Jieyao Wang, Lei Li.  (2024)  Solvothermal Preparation of Microporous Polyureas for Au(III) Adsorption.  LANGMUIR,      [PMID:38627239] [10.1021/acs.langmuir.4c00305]
28. Shuai Yuan, Jian Hu, Jin Yang.  (2025)  UPy-Functionalized Conductive Polyurethane Elastomer With Notable Thermal Stability and Partial Mechanical Recovery Properties.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.57599]
29. Naijie Wang, Xiangqun Chen, Qiu Sun, Ying Song, Tiezhu Xin.  (2023)  Fast Li+ Transport Polyurethane-Based Single-Ion Conducting Polymer Electrolyte with Sulfonamide Side chains in the Hard Segment for Lithium Metal Batteries.  ACS Applied Materials & Interfaces,      [PMID:37552620] [10.1021/acsami.3c06956]
30. Xiaoyi Zhang, Rongqing Chen, Xiaoying Gao, Jinlan Weng, Yunjia Liu, Tian Gui, Shenghong Yang, Dunqing Wang, Xiangshu Chen, Jian Liu.  (2022)  Mechanochemical synthesis of reticular β-cyclodextrin polyurethanes for the decontamination of phenolic micropollutants.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.139987]
31. Wen-kui Li, Song Wang, Yong-hong Wang, Yu-zhen Wu, Jia Li, Tian-hua Chai, Kang Wang, GuangYou Chen, Zhiqing Ma.  (2025)  Nanoporous 3D Polyurethane for Toosendanin Adsorption, Encapsulation, and High-Efficient Utilization.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:39932266] [10.1021/acs.jafc.4c09493]
32. Yuan Shuai, Hu Jian, Yang Jin.  (2025)  Silicon-containing conductive polyurethane-imide elastomers: unique microstructure, heat resistance, mechanical property, and conductivity.  JOURNAL OF POLYMER RESEARCH,  32  (6): (1-15).  [PMID:] [10.1007/s10965-025-04432-x]
33. Shuai Yuan, Jian Hu, Jin Yang.  (2025)  Fabrication of Novel Thermoplastic Polyurethane Elastomers With Both Heat Resistance and Conductivity Prepared From p-Phenylene Diisocyanate.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.57327]
34. Jiaxun Yao, Chun Li, Yanhao Yu.  (2025)  Area-Selective Molecular Layer Deposition with High Patterning Selectivity.  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.5c03234]
35. Zechang Liu, Meizhong Hu, Jiajun Zhang, Jie Yang, Lihui Zhang, Rensong Chen.  (2025)  Scalable synthesis of rose-like Co/N-doped porous rose-like structure for sustainable Rhodamine B degradation via peroxymonosulfate-driven advanced oxidation.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2025.138643]
36. Min Wang, Yushu Tian, Jihang Yu, Jiadong Wang, Guangzhi Jin, Xuan Qin, Yonglai Lu.  (2025)  Thermo-Mechanically Driven Hierarchical Evolution in Polyurethane Elastomers Subjected to Compression Fatigue.  ACS Applied Materials & Interfaces,      [PMID:41115832] [10.1021/acsami.5c15391]
37. Yushu Tian, Min Wang, Jiadong Wang, Yi Wei, Yixuan Chang, Xuan Qin, Liqun Zhang.  (2026)  Tuning Hard-Segment Regularity for Microphase Control and Property Enhancement in Hydroxyl-Terminated Polybutadiene-Based Polyurethane Elastomers.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.5c02654]
38. Peng Cui, Cailan Chen, Lilin Fang, Hanyu Zhang, Peiwen Wu, Kaihao Mo, Ge Niu, Yan Huang, Wenshuai Zhu, Zhichang Liu.  (2026)  Rapid fabrication of shaped cyclodextrin-based porous carbons for efficient PAHs capture.  MICROPOROUS AND MESOPOROUS MATERIALS,      [PMID:] [10.1016/j.micromeso.2026.114085]
39. Min Wang, Jihang Yu, Yushu Tian, Jiadong Wang, Xuan Qin, Yonglai Lu.  (2026)  Mechanical-Fatigue-Driven Hierarchical Structural Evolution in Polyurethane Elastomers with Different Hard Segment Contents.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.5c03399]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.