Propiolic acid - ≥95% , CAS No.471-25-0

CAS: 471-25-0 Cat. No.: P109569 Formula: C3H2O2 Molecular Weight: 70.05 Beilstein Registry Number: 878176 EC Number: 207-437-8
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
Propinsaeure|Acetylenecarboxylic acid|prop-2-ynoic acid|Acetylenemonocarboxylate|Propargylic acid|propinic acid|2-PROPYNE-1-CARBOXYLIC ACID|acetylenemonocarboxylic acid|HC.$.CCOOH|propiolate|Acetylene carboxylic acid|HC#CCOOH|PROPIOLIC ACID|2-Propynoic acid|PROPIOLIC ACID [MI]|HC.equiv.CCOOH|Propiolsaeure|Propynoic acid
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice,FedEx DG Service
★
Size
USA
Germany (EU)*
Price
Qty
5g
P109569-5g
2 In stock
—
$45.90
25g
P109569-25g
Made to order · 8–12 wks
$129.90
100g
P109569-100g
Made to order · 8–12 wks
$399.90
Enter a quantity for the sizes you want to add.

Overview

It possesses the dual characteristics of alkyne and carboxylic acid, and can undergo reduction, addition, oxidation, esterification, cyclization, as well as reactions such as salt formation and acyl chloride generation. It is soluble in water. It is used as a reagent for synthesizing transition metal complexes, haloalkyl propynoates and haloacrylates.

Specifications

Synonyms
Propinsaeure | Acetylenecarboxylic acid | prop-2-ynoic acid | Acetylenemonocarboxylate | Propargylic acid | propinic acid | 2-PROPYNE-1-CARBOXYLIC ACID | acetylenemonocarboxylic acid | HC.$.CCOOH | propiolate | Acetylene carboxylic acid | HC#CCOOH | PROPIOLIC ACID | 2-Propynoic acid | PROPIOLIC ACID [MI] | HC.equiv.CCOOH | Propiolsaeure | Show more
Specifications & Purity
≥95%
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice,FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid
Canonical Smiles
C#CC(=O)O
IUPAC Name
prop-2-ynoic acid
InChIKey
UORVCLMRJXCDCP-UHFFFAOYSA-N
INCHI
1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
Isomeric SMILES
C#CC(=O)O
WGK Germany
3
RTECS
UD9300000
UN Number
2920
Packing Group
II
Molecular Weight
70.05
Beilstein
878176
Reaxy-Rn
878176
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=878176&ln=

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acids
Intermediate Tree Nodes Not available
Direct ParentCarboxylic acids
Alternative Parents Monocarboxylic acids and derivatives  Acetylides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Acetylide - Monocarboxylic acid or derivatives - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxylic acids. These are compounds containing a carboxylic acid group with the formula -C(=O)OH.
External Descriptors terminal acetylenic compound - monounsaturated fatty acid - acetylenic fatty acid - short-chain fatty acid
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
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.

14 results found

Lot NumberCertificate TypeDateItem
G2615581G2615581Certificate of AnalysisJul 29, 2026 P109569
G2615582G2615582Certificate of AnalysisJul 29, 2026 P109569
G2615583G2615583Certificate of AnalysisJul 29, 2026 P109569
G23181150G23181150Certificate of AnalysisApr 02, 2025 P109569
C2626103C2626103Certificate of AnalysisMar 25, 2025 P109569
E2527601E2527601Certificate of AnalysisMar 25, 2025 P109569
E2527602E2527602Certificate of AnalysisMar 25, 2025 P109569
D2304269D2304269Certificate of AnalysisJan 09, 2025 P109569
K2223625K2223625Certificate of AnalysisAug 23, 2024 P109569
K2223715K2223715Certificate of AnalysisAug 23, 2024 P109569
G23181156G23181156Certificate of AnalysisJul 26, 2023 P109569
D2304282D2304282Certificate of AnalysisApr 13, 2023 P109569
A2213572A2213572Certificate of AnalysisDec 28, 2021 P109569
A2214064A2214064Certificate of AnalysisDec 28, 2021 P109569
Chemical and Physical Properties
SolubilityMiscible with water, ether, ethanol and chloroform.
SensitivityLight sensitive;Moisture sensitive
Refractive Index1.4290 to 1.4350
Flash Point(°F)136.4 °F
Flash Point(°C)58℃
Boil Point(°C)58°C/12mmHg
Melt Point(°C)16-18°C
Molecular Weight70.050 g/mol
XLogP30.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass70.0055 Da
Monoisotopic Mass70.0055 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count5
Formal Charge0
Complexity84.300
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
Solution Calculators
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