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2-Hydroxy-3-butynoic acid

2-Hydroxy-3-butynoic acid Structure
2-Hydroxy-3-butynoic acid structure
CAS No.
38628-65-8
Chemical Name:
2-Hydroxy-3-butynoic acid
Synonyms
Hydroxybutynoicacid;2-Hydroxy-3-butynoic acid;2-Hydroxybut-3-ynoic acid;3-Butynoic acid, 2-hydroxy-;2-Hydroxy-3-butynoicAcid>
CBNumber:
CB2449414
Molecular Formula:
C4H4O3
Molecular Weight:
100.07
MDL Number:
MFCD00671546
MOL File:
38628-65-8.mol
MSDS File:
SDS
Last updated:2026-09-12 18:51:18
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2-Hydroxy-3-butynoic acid Properties

Boiling point 279.7±25.0 °C(Predicted)
Density 1.412±0.06 g/cm3(Predicted)
storage temp. Freezer
form powder to crystal
pka 2.79±0.11(Predicted)
color White to Light yellow
CAS DataBase Reference 38628-65-8

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Hazard Codes  Xi
Risk Statements  36/38
Safety Statements  26
HS Code  2918.19.9000
NFPA 704
0
1 0

2-Hydroxy-3-butynoic acid price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical H0905 2-Hydroxy-3-butynoic Acid >97.0%(T) 38628-65-8 100mg $244 2026-04-30 Buy
TCI Chemical H0905 2-Hydroxy-3-butynoic Acid >97.0%(T) 38628-65-8 1g $1283 2026-04-30 Buy
aablocks AA003HB1 2-Hydroxybut-3-ynoic acid >97.0%(T) 38628-65-8 100mg $196 2026-05-28 Buy
Crysdot CD13014145 2-Hydroxybut-3-ynoic acid 95+% 38628-65-8 250mg $684 2026-05-27 Buy
Chemenu CM186312 2-Hydroxybut-3-ynoic acid 95% 38628-65-8 250mg $640 2026-05-26 Buy
Product number Packaging Price Buy
H0905 100mg $244 Buy
H0905 1g $1283 Buy
AA003HB1 100mg $196 Buy
CD13014145 250mg $684 Buy
CM186312 250mg $640 Buy

2-Hydroxy-3-butynoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2-Hydroxy-3-butynoic acid Suppliers

Global Suppliers ( 48)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23636 75
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Shandong Xiya Chemical Co., Ltd 57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 55
TOKYO CHEMICAL INDUSTRY CO., LTD. 80
TCI Europe 75
TCI AMERICA 75
9ding chemical ( Shanghai) Limited 55

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Hydroxybutynoicacid 2-Hydroxy-3-butynoicAcid> 3-Butynoic acid, 2-hydroxy- 2-Hydroxybut-3-ynoic acid 2-Hydroxy-3-butynoic acid 38628-65-8 Acetylenic Alcohols & Their Derivatives Acetylenes Acetylenic Carboxylic Acids & Their Derivatives Acetylenes Acetylenic Alcohols & Their Derivatives Acetylenic Carboxylic Acids & Their Derivatives