2-Methyl-3-butyn-2-ol - ≥98% , CAS No.115-19-5

CAS: 115-19-5 Cat. No.: M107736 Peso molecular: 84.12 Beilstein Registry Number: 635746 Número EC: 204-070-5
Disponible para pedir
GRADE & PURITY ≥98%
Synonyms
3-Methyl-butin-(1)-ol-(3) [German] | 3-methyl-3-hydroxy-1-butyne | Q209427 | 2-methylbutan-3-yn-2-ol | 3-methyl-1-butin-3-ol | EC 204-070-5 | EN300-60208 | InChI=1/C5H8O/c1-4-5(2,3)6/h1,6H,2-3H | 2-Methyl-3-butyn-2-ol, purum, >=99.0% (GC)
Storage
Room temperature
Shipped In
FedEx DG Service
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
25ml
M107736-25ml
4

15,90US$

17,90US$
Guardar 2,00 US$ (11.17%)
100ml
M107736-100ml
8

17,90US$

23,90US$
Guardar 6,00 US$ (25.10%)
500ml
M107736-500ml
5
41,90US$
25g
M107736-25g
2
19,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

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

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Storage & shipping

Room temperature Ships FedEx DG Service 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 24 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

2-Methyl-3-butyn-2-ol (MBY) is used as a precursor in the Mannich reaction and can undergo selective semihydrogenation to produce fine chemicals.

Specifications

Sinónimos
3-Methyl-butin-(1)-ol-(3) [German] | 3-methyl-3-hydroxy-1-butyne | Q209427 | 2-methylbutan-3-yn-2-ol | 3-methyl-1-butin-3-ol | EC 204-070-5 | EN300-60208 | InChI=1/C5H8O/c1-4-5(2, 3)6/h1, 6H, 2-3H | 2-Methyl-3-butyn-2-ol, purum, >=99.0% (GC)
Especificaciones y pureza
≥98%
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
FedEx DG Service
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Pureza
≥98%
Nombres e identificadores
Pubchem Sid488180739
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488180739
Sonrisas canónicasCC(C)(C#C)O
IUPAC Name2-methylbut-3-yn-2-ol
InChIKeyCEBKHWWANWSNTI-UHFFFAOYSA-N
INCHI1S/C5H8O/c1-4-5(2,3)6/h1,6H,2-3H3
Isómeros SMILES CC(C)(C#C)O
WGK Alemania 1
RTECS ES0810000
Número ONU 1987
Grupo de embalaje I
Peso molecular 84.12
Beilstein 635746
Reaxy-Rn 635746
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=635746&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
ClaseOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Alpha,beta-unsaturated carbonyl compounds - Alpha,beta-unsaturated ketones
Direct ParentYnones
Alternative Parents Tertiary alcohols  Acetylides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Ynone - Tertiary alcohol - Acetylide - Hydrocarbon derivative - Alcohol - Aliphatic acyclic compound
DescripciónThis compound belongs to the class of organic compounds known as ynones. These are organic compounds containing the ynone functional group, an alpha,beta unsaturated ketone group with the general structure RC#C-C(=O)R' (R' not H).
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

45 results found

Lot NumberCertificate TypeFechaArticulo
C2112308Certificate of AnalysisJun 11, 2026 M107736
D2402344Certificate of AnalysisJan 19, 2026 M107736
L2503456Certificate of AnalysisNov 26, 2025 M107736
L2503167Certificate of AnalysisNov 26, 2025 M107736
L2503166Certificate of AnalysisNov 26, 2025 M107736
L2503165Certificate of AnalysisNov 26, 2025 M107736
L2503164Certificate of AnalysisNov 26, 2025 M107736
C2223507Certificate of AnalysisSep 08, 2025 M107736
I2311017Certificate of AnalysisJun 10, 2025 M107736
F2509138Certificate of AnalysisMay 30, 2025 M107736
F2509139Certificate of AnalysisMay 30, 2025 M107736
F2509549Certificate of AnalysisMay 30, 2025 M107736
C2302136Certificate of AnalysisApr 18, 2025 M107736
D2318299Certificate of AnalysisJan 06, 2025 M107736
D2318293Certificate of AnalysisJan 06, 2025 M107736
C2302133Certificate of AnalysisDec 10, 2024 M107736
L2411747Certificate of AnalysisNov 30, 2024 M107736
L2411748Certificate of AnalysisNov 30, 2024 M107736
L2411749Certificate of AnalysisNov 30, 2024 M107736
L2411750Certificate of AnalysisNov 30, 2024 M107736
L2411776Certificate of AnalysisNov 30, 2024 M107736
J2415130Certificate of AnalysisMay 31, 2024 M107736
F2411283Certificate of AnalysisMay 31, 2024 M107736
F2411492Certificate of AnalysisMay 31, 2024 M107736
F2411287Certificate of AnalysisMay 31, 2024 M107736
F2411295Certificate of AnalysisMay 31, 2024 M107736
D2402346Certificate of AnalysisMar 13, 2024 M107736
D2402345Certificate of AnalysisMar 13, 2024 M107736
C2223498Certificate of AnalysisDec 15, 2023 M107736
C2223509Certificate of AnalysisDec 15, 2023 M107736
A1825107Certificate of AnalysisSep 28, 2023 M107736
K2129335Certificate of AnalysisSep 15, 2023 M107736
C2003060Certificate of AnalysisSep 13, 2023 M107736
C2302139Certificate of AnalysisFeb 22, 2023 M107736
C2302137Certificate of AnalysisFeb 22, 2023 M107736
C2302149Certificate of AnalysisFeb 22, 2023 M107736
C2112310Certificate of AnalysisDec 13, 2022 M107736
C2112309Certificate of AnalysisDec 13, 2022 M107736
J2015170Certificate of AnalysisAug 06, 2022 M107736
J2015169Certificate of AnalysisAug 06, 2022 M107736
I2017256Certificate of AnalysisJul 19, 2022 M107736
C2223501Certificate of AnalysisFeb 28, 2022 M107736
C2223499Certificate of AnalysisFeb 28, 2022 M107736
B2302456Certificate of AnalysisFeb 28, 2022 M107736
A2220011Certificate of AnalysisFeb 17, 2022 M107736

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Propiedades químicas y físicas
SolubilidadFully miscible.
Índice de refracción1.42
Punto de inflamación (°F)68 °F
Punto de inflamación (°C)22 °C
Punto de ebullición (°C)104°C
Punto de fusión (°C)2.6°C
Peso molecular84.120 g/mol
XLogP30.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass84.0575 Da
Monoisotopic Mass84.0575 Da
Topological Polar Surface Area20.200 Ų
Heavy Atom Count6
Formal Charge0
Complexity83.400
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
Referencias
1. Yuan Wang, Yuanbo Cai, Youquan Ling, Haoruo Zhang, Jinfeng Tian, Zhengguang Heng, Shengtai Zhou, Shuang Xia, Mei Liang, Huawei Zou.  (2023)  Improved Mechanical and Ablative Properties of PDMS Coatings Incorporating Epoxy as a Suspended Chain.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.3c00814]
2. Jiaxing Tang, Chenhe Yao, Zhongwei An, Ran Chen, Zihao Mao, Xinbing Chen, Pei Chen.  (2023)  Balance the trade-offs between high birefringence, large dielectric anisotropy and low viscosity in nematic liquid crystals through molecular splicing strategy.  LIQUID CRYSTALS,      [PMID:] [10.1080/02678292.2023.2222677]
3. Yuan Wang, Liwei Yan, Youquan Ling, Ying Ge, Congshu Huang, Shengtai Zhou, Shuang Xia, Mei Liang, Huawei Zou.  (2022)  Enhanced mechanical and adhesive properties of PDMS coatings via in-situ formation of uniformly dispersed epoxy reinforcing phase.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2022.107319]
4. Zhengyuan Zhang, Hongyu Yan, Zejun Yin, Yuechuan Wang.  (2021)  Photopolymerized and acetylene-functionlized polyacrylates for photoclickable elastomers.  POLYMER,      [PMID:] [10.1016/j.polymer.2021.124415]
5. Yuan Wang, Yuanbo Cai, Hao Zhang, Ji Zhou, Shengtai Zhou, Yang Chen, Mei Liang, Huawei Zou.  (2021)  Mechanical and thermal degradation behavior of high-performance PDMS elastomer based on epoxy/silicone hybrid network.  POLYMER,      [PMID:] [10.1016/j.polymer.2021.124299]
6. Zhengyuan Zhang, Yu Liu, Xiaochuan Shui, Youqing Yu, Chunyan Zheng, Yuechuan Wang.  (2021)  Free radical polymerization of acrylates bearing acetylene for preparation of clickable polymers.  POLYMER,      [PMID:] [10.1016/j.polymer.2021.123906]
7. Jiajia Liu, Xiaochen Tang, Huiling Lu, Yingjie Xu.  (2021)  Insight into the Interactions between Azole-Anion-Based Ionic Liquids and Propargylic Alcohol: Influence on the Carboxylative Cyclization of Propargylic Alcohol with Carbon Dioxide.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.0c08653]
8. Lingqi Huang, Kecheng Hu, Ganggang Ye, Zhibin Ye.  (2021)  Highly selective semi-hydrogenation of alkynes with a Pd nanocatalyst modified with sulfide-based solid-phase ligands.  Molecular Catalysis,      [PMID:] [10.1016/j.mcat.2021.111535]
9. Guiling Shi, Ran Zhai, Haoran Li, Congmin Wang.  (2020)  Highly efficient synthesis of alkylidene cyclic carbonates from low concentration CO2 using hydroxyl and azolate dual functionalized ionic liquids.  GREEN CHEMISTRY,  23  (1): (592-596).  [PMID:] [10.1039/D0GC03510F]
10. Zhongzhe Wei, Zihao Yao, Qiang Zhou, Guilin Zhuang, Xing Zhong, Shengwei Deng, Xiaonian Li, Jianguo Wang.  (2019)  Optimizing Alkyne Hydrogenation Performance of Pd on Carbon in Situ Decorated with Oxygen-Deficient TiO2 by Integrating the Reaction and Diffusion.  ACS Catalysis,      [PMID:] [10.1021/acscatal.9b03300]
11. Shanjun Mao, Bowen Zhao, Zhe Wang, Yutong Gong, Guofeng Lü, Xiao Ma, Lili Yu, Yong Wang.  (2019)  Tuning the catalytic performance for the semi-hydrogenation of alkynols by selectively poisoning the active sites of Pd catalysts.  GREEN CHEMISTRY,  21  (15): (4143-4151).  [PMID:] [10.1039/C9GC01356C]
12. Yanan Liu, Jiaying Zhao, Junting Feng, Yufei He, Yiyun Du, Dianqing Li.  (2018)  Layered double hydroxide-derived Ni-Cu nanoalloy catalysts for semi-hydrogenation of alkynes: Improvement of selectivity and anti-coking ability via alloying of Ni and Cu.  JOURNAL OF CATALYSIS,      [PMID:] [10.1016/j.jcat.2018.01.009]
13. Lingfeng Shen, Shanjun Mao, Jianqing Li, Mingming Li, Ping Chen, Haoran Li, Zhirong Chen, Yong Wang.  (2017)  PdZn intermetallic on a CN@ZnO hybrid as an efficient catalyst for the semihydrogenation of alkynols.  JOURNAL OF CATALYSIS,      [PMID:] [10.1016/j.jcat.2017.01.021]
14. Baohua Yue, Guangbo Zeng, Yepei Zhang, Sheng Tao, Xiaoming Zhang, Liuming Yan.  (2016)  Improved performance of acid-base composite of phosphonic acid functionalized polysulfone and triazolyl functionalized polysulfone for PEM fuel cells.  SOLID STATE IONICS,      [PMID:] [10.1016/j.ssi.2016.11.011]
15. Ran Chen, Zhongwei An, Feng Li, Xinbing Chen, Pei Chen.  (2016)  Synthesis and physical properties of tolane liquid crystals containing 2,3-difluorophenylene and terminated by a tetrahydropyran moiety.  LIQUID CRYSTALS,      [PMID:] [10.1080/02678292.2015.1125959]
16. Wenxin Wang, Ruidong Yang, Qiqi Mao, Xu Mu, Hongjie Yu, Kai Deng, Jianguo Wang, Liang Wang, Hongjing Wang.  (2024)  Electron Bridge Effect Induced by Oxygen-Bridged Ga on PdMo Bimetallene Nanoribbons for Boosting Electrocatalytic Alkynol Semihydrogenation.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202410614]
17. Xiong Jinqi, Mao Shanjun, Luo Qian, Ning Honghui, Lu Bing, Liu Yanling, Wang Yong.  (2024)  Mediating trade-off between activity and selectivity in alkynes semi-hydrogenation via a hydrophilic polar layer.  Nature Communications,  15  (1): (1-10).  [PMID:38336938] [10.1038/s41467-024-45104-6]
18. Cheng-Long Li, Rui-Ping Zhang, Lu Hou, Ya-Dong Xie, An-Hui Lu.  (2025)  Monolithic wood-based carbon supported Pd nanoparticles with tunable exposure for boosting semi-hydrogenation of alkynols.  Catalysis Science & Technology,      [PMID:] [10.1039/D4CY01543F]
19. Yan Gao, Dezheng Chang, Yuyang Luo, Haojie Yu, Jinhui Li, Kunming Liu.  (2024)  Synthesis of an Antipyrine-Based Fluorescent Probe with Synergistic Effects for the Selective Recognition of Zinc Ion.  Minerals,  14  (7): (649).  [PMID:] [10.3390/min14070649]
20. Cheng-Long Li, Rui-Ping Zhang, Lu Hou, An-Hui Lu.  (2025)  Pd Supported on Surface Sulfur-Doped Mesoporous Monolithic Carbon to Boost Semihydrogenation of Alkynols.  ChemCatChem,      [PMID:] [10.1002/cctc.202501282]
21. Yun Fang, Yong Yan, Xiayan Wang, Guangsheng Guo.  (2025)  Bimetallic PdCu nanohybrid sheets for enhanced electrocatalytic selective semi-hydrogenation of alkynols.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164620]
22. Yang Zhang, Shitian Han, Bojie Fu, Shuai Li, Ziwen Sun, Zhengguang Heng, Shuang Xia, Yang Chen, Liwei Yan, Mei Liang, Huawei Zou.  (2025)  Preparation of Robust Thermal Protection Silicone Rubber by Constructing Interconnected C–Si Hybrid IPNs.  INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,      [PMID:] [10.1021/acs.iecr.5c03410]
23. Ziqi Zhang, Hui Xu, Haojie Chu, Hong Meng, Hongwei Fan, Yingzhou Lu, Chunxi Li.  (2026)  Nucleophilic Reactivity of Calcium Carbide: Its Catalytic Activation and Reaction with Acetone to Synthesize Non-Ionic Defoamers.  Catalysts,  16  (1): (49).  [PMID:] [10.3390/catal16010049]
24. Li Minghang, Fu Zhaoyuan, Luo Qian, Lu Bing, Zhang Liwei, Liang Shipan, Liu Ting, Wang Yong, Mao Shanjun.  (2026)  Decoupling electronic and geometric effects in Pd catalysts via thermal surface reconstruction for selective hydrogenation.  Nature Communications,  17  (1): (2500).  [PMID:] [10.1038/s41467-026-70568-z]
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