2,5-Dihydroxyterephthalaldehyde(DHTA) - ≥97% , CAS No.1951-36-6

CAS: 1951-36-6 Cat. No.: B300119 Molecular Weight: 166.13 EC Number: 815-743-3
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
MFCD22055335 | 2.5- Dihydroxyterephthalaldehyd | AB93036 | DTXSID90454578 | BAA95136 | EN300-315688 | 2,5-dihydroxy-1,4-benzenedicarboxaldehyde | 2,5-dihydroxybenzene-1,4-dicarboaldehyde | YSWG261 | AKOS022637113 | 2,5-dihydroxybenzene-1,4-dicarbaldehyde
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
B300119-100mg
≥10
$11.90
250mg
B300119-250mg
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.

$14.90

$26.90
Save $12.00 (44.61%)
1g
B300119-1g
1
$72.90
5g
B300119-5g
1
$269.90
25g
B300119-25g
1
$1,079.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥97% 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 28 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
MFCD22055335 | 2.5- Dihydroxyterephthalaldehyd | AB93036 | DTXSID90454578 | BAA95136 | EN300-315688 | 2, 5-dihydroxy-1, 4-benzenedicarboxaldehyde | 2, 5-dihydroxybenzene-1, 4-dicarboaldehyde | YSWG261 | AKOS022637113 | 2, 5-dihydroxybenzene-1, 4-dicarbaldehyde
Specifications & Purity
≥97%
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
≥97%
Names and Identifiers
Pubchem Sid488197143
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488197143
Canonical SmilesC1=C(C(=CC(=C1O)C=O)O)C=O
IUPAC Name2,5-dihydroxyterephthalaldehyde
InChIKeyPIWMYUGNZBJTID-UHFFFAOYSA-N
INCHI1S/C8H6O4/c9-3-5-1-7(11)6(4-10)2-8(5)12/h1-4,11-12H
Isomeric SMILES C1=C(C(=CC(=C1O)C=O)O)C=O
Molecular Weight 166.13
Reaxy-Rn 2090418
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2090418&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
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Aldehydes - Aryl-aldehydes - Benzaldehydes
Direct ParentHydroxybenzaldehydes
Alternative Parents Hydroquinones  Benzoyl derivatives  1-hydroxy-2-unsubstituted benzenoids  Vinylogous acids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Hydroxybenzaldehyde - Hydroquinone - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Benzenoid - Monocyclic benzene moiety - Vinylogous acid - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as hydroxybenzaldehydes. These are organic aromatic compounds containing a benzene ring carrying an aldehyde group and a hydroxyl 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.

49 results found

Lot NumberCertificate TypeDateItem
L2522211Certificate of AnalysisDec 11, 2025 B300119
F2625019Certificate of AnalysisDec 11, 2025 B300119
E2614025Certificate of AnalysisDec 11, 2025 B300119
L2522207Certificate of AnalysisDec 11, 2025 B300119
L2522208Certificate of AnalysisDec 11, 2025 B300119
L2522209Certificate of AnalysisDec 11, 2025 B300119
L2522210Certificate of AnalysisDec 11, 2025 B300119
A2412235Certificate of AnalysisOct 13, 2025 B300119
A2412238Certificate of AnalysisOct 13, 2025 B300119
A2412229Certificate of AnalysisOct 13, 2025 B300119
A2412222Certificate of AnalysisOct 13, 2025 B300119
B2328439Certificate of AnalysisDec 12, 2024 B300119
B2328450Certificate of AnalysisDec 11, 2024 B300119
B2328440Certificate of AnalysisDec 11, 2024 B300119
B2328438Certificate of AnalysisDec 11, 2024 B300119
K2404110Certificate of AnalysisOct 22, 2024 B300119
G2503061Certificate of AnalysisOct 22, 2024 B300119
K2404108Certificate of AnalysisOct 22, 2024 B300119
K2404109Certificate of AnalysisOct 22, 2024 B300119
K2404133Certificate of AnalysisOct 22, 2024 B300119
K2404134Certificate of AnalysisOct 22, 2024 B300119
J2228381Certificate of AnalysisAug 12, 2024 B300119
J2212122Certificate of AnalysisJul 08, 2024 B300119
G2424006Certificate of AnalysisJun 01, 2024 B300119
F2419187Certificate of AnalysisJun 01, 2024 B300119
F2419193Certificate of AnalysisJun 01, 2024 B300119
F2419186Certificate of AnalysisJun 01, 2024 B300119
F2419177Certificate of AnalysisJun 01, 2024 B300119
G2416567Certificate of AnalysisApr 12, 2024 B300119
A2412221Certificate of AnalysisJan 02, 2024 B300119
A24122280Certificate of AnalysisJan 02, 2024 B300119
A2412230Certificate of AnalysisJan 02, 2024 B300119
A2412237Certificate of AnalysisJan 02, 2024 B300119
A2412228Certificate of AnalysisJan 02, 2024 B300119
A2402145Certificate of AnalysisMay 20, 2023 B300119
F2302662Certificate of AnalysisMay 20, 2023 B300119
F2302663Certificate of AnalysisMay 20, 2023 B300119
F2302664Certificate of AnalysisMay 20, 2023 B300119
B2328442Certificate of AnalysisJan 16, 2023 B300119
B2328441Certificate of AnalysisJan 16, 2023 B300119
J2228382Certificate of AnalysisOct 17, 2022 B300119
J2228383Certificate of AnalysisOct 17, 2022 B300119
J2228387Certificate of AnalysisOct 17, 2022 B300119
J2212123Certificate of AnalysisJun 15, 2022 B300119
H2204403Certificate of AnalysisJun 15, 2022 B300119
H2204384Certificate of AnalysisJun 15, 2022 B300119
H2204383Certificate of AnalysisJun 15, 2022 B300119
C2218028Certificate of AnalysisMar 23, 2022 B300119
B2209153Certificate of AnalysisNov 26, 2021 B300119

Show more ⌵

Chemical and Physical Properties
Sensitivityair sensitive
Molecular Weight166.130 g/mol
XLogP31.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass166.027 Da
Monoisotopic Mass166.027 Da
Topological Polar Surface Area74.600 Ų
Heavy Atom Count12
Formal Charge0
Complexity160.000
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
Citations of This Product
References
1. Jiahua Fan, Xuelian Yao, Zhihong Yan, Yang Li, Jiayu Liu, Ying Cai.  (2023)  Covalent organic framework modified nickel foam adsorbents for dispersive micro-solid phase extraction of polycyclic aromatic hydrocarbons from Chinese herbal medicines.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2023.109444]
2. Miaoran Xu, Hao Dang, Mengfei Wang, Shuai Zhang, Qiaojuan Jia, Jia-Yue Tian, Minghua Wang, Miao Du.  (2023)  New dual-modal electrochemical and photoelectrochemical aptasensing strategy for the sensitive detection of penicillin G based on an iron-doped covalent triazine framework.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2023.109242]
3. Wanjiao Wei, Haoyu Long, Yanjuan Liu, Yuefei Zhang, Wei Chen, Sheng Tang.  (2023)  Preparation and application of a novel imine-linked covalent organic framework@silica composite for reversed-phase and hydrophilic interaction chromatographic separations.  ANALYTICA CHIMICA ACTA,      [PMID:37573114] [10.1016/j.aca.2023.341635]
4. Long Tian, Binyu Zhao, Juan Zhang, Xiaogang Luo, Fengshou Wu.  (2023)  Magnetic covalent organic framework nanospheres with enhanced peroxidase-like activity for colorimetric detection of H2O2 and glucose.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2023.131309]
5. Yuanqing Zhao, Kai Hu, Cheng Yang, Xiaobing Liu, Lixin Li, Zhonghua Li, Pan Wang, Zhenqiang Zhang, Shusheng Zhang.  (2022)  Covalent organic framework@Ti3C2Tx composite as solid phase microextraction coating for the determination of polycyclic aromatic hydrocarbons in honey samples.  ANALYTICA CHIMICA ACTA,      [PMID:36442935] [10.1016/j.aca.2022.340581]
6. Qiaoyan Li, Zhentao Li, Yuanyuan Fu, Igor Clarot, Ariane Boudier, Zilin Chen.  (2021)  Room-temperature growth of covalent organic frameworks as the stationary phase for open-tubular capillary electrochromatography.  ANALYST,  146  (21): (6643-6649).  [PMID:34591047] [10.1039/D1AN01402A]
7. Tao Hu, Ji-Na Hao, Yongsheng Li.  (2024)  A highly luminescent lanthanide-functionalized covalent organic framework for rapid and specific detection of 7-methylguanine for DNA methylation assessment.  Biomaterials Science,  12  (20): (5266-5273).  [PMID:39238274] [10.1039/D4BM01018C]
8. Liang Ren, Jianxin Chen, Jian Han, Jinsheng Liang, Hong Wu.  (2024)  Biomimetic construction of smart nanochannels in covalent organic framework membranes for efficient ion separation.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2024.148907]
9. Ruilong Li, Yongjian Yang, Jingjing Chen, Chongchong Chen, Wenpeng Li, Xiaoli Wu, Jingtao Wang.  (2024)  Channel–molecule attraction mediated molecule transport in confined nanochannels of COF membranes for nanofiltration.  AICHE JOURNAL,      [PMID:] [10.1002/aic.18719]
10. Ruixue Yan, Hao Guo, Zeyun Yang, Wenting Niu, Jianpeng Ma, Liping Peng, Mingyue Wang, Wu Yang.  (2025)  Construction of a purine base electrochemical sensing platform based on NH2-MXene@COFTA-DH/GCE for simultaneous detection of guanine and adenine.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2025.136572]
11. Haoran Wang, Chenyu Lai, Yujie Wang, Zhou Qu, Hongwei Fan, Hong Meng.  (2024)  Construction of skyloft-like polyamide membrane on tubular ceramic support for high-flux nanofiltration.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2024.127075]
12. Yake Luo, Shanshan Ma, Jianxun Zhang, Qidong Zhang, Yanhao Zhang, Jian Mao, Hang Yuan, Gangfeng Ouyang, Shusheng Zhang, Wuduo Zhao.  (2024)  Developing a novel strategy for fabricating matrix film to assess the distribution of potassium perfluorooctanic sulfonate by matrix-assisted laser desorption/ionization mass spectrometry imaging.  ANALYTICA CHIMICA ACTA,      [PMID:38609267] [10.1016/j.aca.2024.342528]
13. Xiaoyu Wang, Chunzhe Xu, Hantao Tian, Yu Pang, Jie Lv, Meng Li.  (2025)  FeS embedded bioreactor collaborate with artesunate for cascade-catalytic tumor ferroptosis.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:40184656] [10.1016/j.jcis.2025.137479]
14. Tiao Huang, Shenglin Wang, Hui Hu, Jianyi Wang, Xiaosong Zhang, Yanan Gao.  (2025)  Ionic-rich triazine-based two-dimensional covalent organic framework materials for high-performance zinc-iodine battery.  JOURNAL OF POWER SOURCES,      [PMID:] [10.1016/j.jpowsour.2025.236449]
15. Rui Yang, Qian Chen, Weichen Sheng, Kan Zhang.  (2024)  Oxazine Ring-Containing Polycyclic Monomers: A Class of Benzoxazine Thermosetting Resins with Intrinsically Low Curing Temperature.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.4c00829]
16. Li Hang, Xu Hui, Yao Shuo, Wei Shengnan, Liu Yi, Shi Xuening, Zhao Wei, Zhao Chao.  (2024)  Target-inhibited MCOF-Apt-AuNPs self-assembly for multicolor colorimetric detection of Salmonella Typhimurium.  npj Science of Food,  (1): (1-10).  [PMID:39368968] [10.1038/s41538-024-00321-7]
17. Xinxing Jiang, Jihong Fu, Dandan Li, Wenxia Xue, Yaxue Zhang.  (2024)  Ultrasensitive Determination of Thiabendazole in Fruit Juice by Surface-Enhanced Raman Scattering (SERS) Using a Covalent Organic Framework (COF) Gold Nanoparticle (Au NP) Substrate.  ANALYTICAL LETTERS,      [PMID:] [10.1080/00032719.2023.2297293]
18. Manyan Qiu, Aiai Nie, Jinghang Zhang, Miao Zheng, Ning Guan, Sharuna De, Xiaoyan Pei, Xinyan Yang, Yujun Jiang, Qianyu Zhao, Chaoxin Man.  (2025)  Magnetic Solid-phase Extraction and HPLC-UV Determination of Fat-soluble Vitamins based on a Multifunctional Monomer Covalent Organic Frameworks.  TALANTA,      [PMID:40669329] [10.1016/j.talanta.2025.128569]
19. Xiang-Tao Xuan, Hui Zhang, Hong-Li Wang, Jia-Le Yao, Jun Xu, Qiu-Ling Che, Yi Wang.  (2025)  One-step hydrothermal fabrication of COF/SiO2/POTS composite coating on cellulose-based cotton fabrics with superhydrophobic self-cleaning, light-induced color change, and self-healing anti-icing properties.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:40972931] [10.1016/j.ijbiomac.2025.147756]
20. Ruoxuan Guo, Yingzhong Huo, Liping Song, Yang Liu, Tao Wen, Sai Zhang, Yuejie Ai.  (2024)  Hydroxyl-based donor-acceptor covalent triazine frameworks as efficient platforms for in-situ photocatalytic U(Ⅵ) reduction.  APPLIED CATALYSIS B-ENVIRONMENTAL,      [PMID:] [10.1016/j.apcatb.2024.124950]
21. Zixing Wang, Yuxin Fan, Hong Chen, Xiang Chen, Dexuan Cai, Xihao Tang, Shengrun Zheng, Jun Fan, Songliang Cai, Weiguang Zhang.  (2025)  Preparation and resolution performances of chiral stationary phases based on spherical covalent organic frameworks with various zeta potentials.  JOURNAL OF CHROMATOGRAPHY A,      [PMID:40435717] [10.1016/j.chroma.2025.466087]
22. Huazangnaowu Bai, Ruiqi Qiao, Fang Xiao, Jiawen Li, Baiyi Zu, Zhenzhen Cai.  (2025)  Recognition Site Density Regulation of Schiff Base Organic Porous Polymers for Ultrasensitive and Specific Fluorescence Sensing toward Gaseous DCP.  ANALYTICAL CHEMISTRY,      [PMID:40376770] [10.1021/acs.analchem.5c01087]
23. Jinzhi Cao, Yilin Zhao, Meihui Chen, Zhiyi Zhao, Yuhan Xiong, Dingding Tang, Yan Zhou, Xiong Qin, Nanqi Ren, Hui Wang, Jie Ding.  (2025)  S-scheme heterojunction fabricated from donor–acceptor COF-R/NVCN photocatalytic degradation of chlorophenols.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2025.120135]
24. Meilin Yin, Jingchen Li, Simai Peng, Daying Chen.  (2025)  Metal-free COF–ionic polymer hybrids for efficient CO2 capture and conversion.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2025.115612]
25. Yun-Jie Li, Yun-Qiao Zhao, Tian-Jian Xiong, Ren-Xiu He, Hao Wang, Bang-Jin Wang, Jun-Hui Zhang, Sheng-Ming Xie, Kun-Ming Jiang, Li-Ming Yuan.  (2025)  Chiral Covalent Organic Framework Composite CCOF-301@SiO2 for Multi-Mode HPLC Enantiomeric Separation.  JOURNAL OF SEPARATION SCIENCE,  48  (11): (e70322).  [PMID:41258985] [10.1002/jssc.70322]
26. Chengcai He, Ye Zhang, Xiaozhen Liu, Chengmu Yu, Jie Lv, Yulong Lin, Lianmei Zhao, Meng Li.  (2025)  Self-amplifying hypoxia cascade in covalent organic framework/metal organic framework nanoreactors for synergistic cancer therapy.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:41353990] [10.1016/j.jcis.2025.139602]
27. Zhang Pu, Zeng Haihua, Zhang Qiang, Wang Peifang, Che Huinan, Tang Chunmei, Xu Jingjing, Long Jinlin, Liu Bin, Ao Yanhui.  (2026)  In-situ formatting benzisoxazole-linked covalent organic framework for enhanced photocatalytic hydrogen peroxide generation.  Nature Communications,      [PMID:] [10.1038/s41467-026-70161-4]
28. Luo Chunhua, Chang Jing, Wang Tianxin, Wang Shubei, Yu Yinyin, Tang Yanhua, Ma Qian, Yang Jing.  (2026)  An imine bond-based fluorescent covalent organic framework for efficient detection of mercury (II) ions in Camellia oleifera.  JOURNAL OF NANOPARTICLE RESEARCH,  28  (3): (78).  [PMID:] [10.1007/s11051-026-06585-2]
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.