≥99.5 atom% D, contains 0.03 % (v/v) TMS for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Pyridine-d5 is a deuterated NMR solvent useful in NMR-based research and analyses. It has been synthesized by palladium catalyzed H/D (hydrogen/deuterium) exchange reaction between pyridine vapor and heavy water. Infrared and Raman spectra of pyridine-d5 have been recorded in the range 300-4000cm-1.
Pyridine-d5 may be used as a solvent in the 1H NMR based structural analysis of lignin acetates obtained from spruce and birch.
| Canonical Smiles | C1=CC=NC=C1 |
|---|---|
| IUPAC Name | 2,3,4,5,6-pentadeuteriopyridine |
| InChIKey | JUJWROOIHBZHMG-RALIUCGRSA-N |
| INCHI | 1S/C5H5N/c1-2-4-6-5-3-1/h1-5H/i1D,2D,3D,4D,5D |
| Isomeric SMILES | [2H]C1=C(C(=NC(=C1[2H])[2H])[2H])[2H] |
| WGK Germany | 2 |
| Alternate CAS | 110-86-1（unlabled） |
| Molecular Weight | 84.13 |
| Beilstein | 114377 |
| Reaxy-Rn | 103233 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=103233&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Pyridines and derivatives |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridines and derivatives |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyridine - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyridines and derivatives. These are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 K2512454 | Certificate of Analysis | Nov 05, 2025 | P140017 |
| K2512460 | Certificate of Analysis | Nov 05, 2025 | P140017 |
| K2512649 | Certificate of Analysis | Nov 05, 2025 | P140017 |
| F2104142 | Certificate of Analysis | Mar 04, 2025 | P140017 |
| F2512197 | Certificate of Analysis | Oct 12, 2024 | P140017 |
| J2416568 | Certificate of Analysis | Oct 12, 2024 | P140017 |
| J2416651 | Certificate of Analysis | Oct 12, 2024 | P140017 |
| I1927079 | Certificate of Analysis | Jul 14, 2023 | P140017 |
| H2213248 | Certificate of Analysis | Jun 15, 2022 | P140017 |
| H2213249 | Certificate of Analysis | Jun 15, 2022 | P140017 |
| H2213250 | Certificate of Analysis | Jun 15, 2022 | P140017 |
| Solubility | Soluble in water, alcohol, ether, acetone, and benzene. |
|---|---|
| Sensitivity | Light & Moisture Sensitive |
| Refractive Index | 1.506 |
| Flash Point(°F) | 62.6 °F |
| Flash Point(°C) | 17 °C |
| Boil Point(°C) | 114.4°C |
| Melt Point(°C) | -41°C |
| Molecular Weight | 84.130 g/mol |
| XLogP3 | 0.700 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 84.0736 Da |
| Monoisotopic Mass | 84.0736 Da |
| Topological Polar Surface Area | 12.900 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 30.900 |
| Isotope Atom Count | 5 |
| 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 |
| 1. Jianfa Wu, Lei Li, Chang Liu, Chunyi Li, Ying Cui, Weixing Ding, Jing Zhang, Leiling Shi. (2023) Two New Compounds from Allii Macrostemonis Bulbus and Their In Vitro Antioxidant Activities. MOLECULES, 28 (17): (6176). [PMID:37687005] [10.3390/molecules28176176] |
| 2. Zechang Wei, Chenyang Cai, Yangze Huang, Pei Wang, Jianyue Song, Leixin Deng, Yu Fu. (2020) Strong biodegradable cellulose materials with improved crystallinity via hydrogen bonding tailoring strategy for UV blocking and antioxidant activity. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, [PMID:32673719] [10.1016/j.ijbiomac.2020.07.100] |
| 3. Yinchen Chen, Hui Zhang, Zhaodong Zhu, Shiyu Fu. (2020) High-value utilization of hydroxymethylated lignin in polyurethane adhesives. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, [PMID:32119943] [10.1016/j.ijbiomac.2020.02.321] |
| 4. YinChen Chen, Shiyu Fu, Hui Zhang. (2019) Signally improvement of polyurethane adhesive with hydroxy-enriched lignin from bagasse. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2019.124164] |
| 5. Jianfa Wu, Ying Cui, Chang Liu, Weixing Ding, Shen Ren, Jing Zhang, Lulu Wang. (2024) Antioxidant activity of spirostanol saponins from Allii Macrostemonis Bulbus and their contents in different origins and processed products. Food Chemistry-X, [PMID:38304049] [10.1016/j.fochx.2024.101144] |
| 6. Yixin Feng, Kaifu Jiang, Junqi Lv, Shuai Yuan, Xiran Lin, Zhiwei Chang, Ming Li, Chenjie Zhu. (2025) Design of a versatile lignin-based synergistic anti-aging reagent for natural rubber composites. POLYMER DEGRADATION AND STABILITY, [PMID:] [10.1016/j.polymdegradstab.2025.111170] |
| 7. Xiaoyu Xie, Xiuqiong Zhang, Tiantian Chen, Di Yu, Ming Ma, Xin Lu, Guowang Xu. (2024) High-coverage identification of hydroxyl compounds based on pyridine derivatization-assisted liquid chromatography mass spectrometry. ANALYTICA CHIMICA ACTA, [PMID:39182991] [10.1016/j.aca.2024.343065] |
| 8. Weiyu Xia, Lupeng Shao, Chao Wang, Yu Liu, Xianhai Zeng, Feng Xu. (2025) Cascade fractionation of poplar into xylose, glucan oligomers and less-condensed lignin via synergistic formic acid–LiBr molten salt hydrate pretreatment. GREEN CHEMISTRY, [PMID:] [10.1039/D4GC05494F] |
| 9. Jin Peng, Haixu Wang, Shusheng Chen, Weifeng Liu, Xueqing Qiu. (2025) Mechanically Robust, Reprocessable, and Light-Controlled Healable Solvent-Free Lignin-Containing Polyurethane Elastomers Based on Dynamic Phenol-Carbamate Network. MACROMOLECULES, [PMID:] [10.1021/acs.macromol.4c02258] |
| 10. Junxian Xie, Jiahui Xie, Junjun Chen, Shiyun Zhu, Jun Xu, Haitao Yang. (2025) Extraction of light-colored lignin nanoparticles from Radiata pine using ternary deep eutectic solvents. SEPARATION AND PURIFICATION TECHNOLOGY, [PMID:] [10.1016/j.seppur.2025.136499] |
| 11. Bo Chen, Jina Wu, Junmei Xia, Yangde Ma, Ling Yuan, Huilan Yu, Shilei Liu. (2026) A successful strategy of pyridine derivatization for sensitive LC − ESI − MS detection of pinacolyl alcohol, a forensic marker for soman. MICROCHEMICAL JOURNAL, [PMID:] [10.1016/j.microc.2026.117011] |
| 12. Yibo Gao, Jintian Zhong, Xiongxian Lyu, Binjie Jin, Weifeng Liu, Xueqing Qiu. (2026) Photothermal-Responsive Lignin-Based Liquid Crystalline Elastomers: Constructing High-Performance Artificial Muscles via a Dual Dynamic Network. ADVANCED FUNCTIONAL MATERIALS, [PMID:] [10.1002/adfm.75049] |
