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Phenylpropiolic acid

Phenylpropiolic acid structure

CAS No.: 637-44-5

Chemical Name:: Phenylpropiolic acid

Synonyms: 3-Phenylpropiolic acid;PHENYLPROPYNOIC ACID;Benzenepropiolic acid;3-PHENYLPROPYNOIC ACID;RARECHEM AL BE 0668;phenylpropanic acid;PHENYLPROPIOLIC ACID;Phenylpropioplic Acid;3-phenyl-2-propynoate;B-PHENYLPROPIOLIC ACID

CBNumber:: CB6290870

Molecular Formula:: C9H6O2

Molecular Weight:: 146.14

MDL Number:: MFCD00004361

MOL File:: 637-44-5.mol

MSDS File:: SDS

Last updated:2025-03-03 09:06:10

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Phenylpropiolic acid Properties

Melting point	135-137 °C (lit.)
Boiling point	225.74°C (rough estimate)
Density	1.1674 (rough estimate)
refractive index	1.5550 (estimate)
storage temp.	2-8°C
form	Fine Crystalline Powder
pka	pK1:2.269 (35°C)
color	White to slightly beige
Water Solubility	freely soluble
BRN	742587
InChIKey	XNERWVPQCYSMLC-UHFFFAOYSA-N
CAS DataBase Reference	637-44-5(CAS DataBase Reference)
FDA UNII	4KE28XZ9GX
NIST Chemistry Reference	Phenylpropiolic acid(637-44-5)
EPA Substance Registry System	2-Propynoic acid, 3-phenyl- (637-44-5)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36-24/25

WGK Germany

TSCA

Yes

HazardClass

IRRITANT

HS Code

29163900

NFPA 704

	0
2		0

Phenylpropiolic acid price More Price(37)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	P31205	Phenylpropiolic acid 99%	637-44-5	5g	$45.9	2024-03-01	Buy
Sigma-Aldrich	P31205	Phenylpropiolic acid 99%	637-44-5	25g	$108	2024-03-01	Buy
TCI Chemical	P0610	Phenylpropiolic Acid >98.0%(T)	637-44-5	5g	$57	2024-03-01	Buy
TCI Chemical	P0610	Phenylpropiolic Acid >98.0%(T)	637-44-5	25g	$205	2024-03-01	Buy
Alfa Aesar	A15163	Phenylpropiolic acid, 98+%	637-44-5	10g	$100	2024-03-01	Buy

Product number	Packaging	Price	Buy
P31205	5g	$45.9	Buy
P31205	25g	$108	Buy
P0610	5g	$57	Buy
P0610	25g	$205	Buy
A15163	10g	$100	Buy

Phenylpropiolic acid Chemical Properties,Uses,Production

Chemical Properties

WHITE TO SLIGHTLY BEIGE FINE CRYSTALLINE POWDER

Uses

Phenylpropiolic Acid is used as a reagent in the high yield synthesis of 3,3-diphenylpropanoic acid derivatives via hydrophenylation and ionic hydrogenation with strong Lewis acids. It is also used in the synthesis of highly substituted aromatic rings via the alkyne-mediated approach which serve as templates for drug design.

Definition

ChEBI: An acetylenic compound that is propynoic acid in which the acetylenic hydrogen is replaced by a phenyl group.

Purification Methods

Crystallise the acid from *benzene, CCl4 (m 136o) or aqueous EtOH. The S-benzylisothiuronium salt has m 184-186o (from EtOH). [Beilstein 9 II 436, 9 III 3061, 9 IV 2327.]

Phenylpropiolic acid synthesis

Synthesis of Phenylpropiolic acid from Iodobenzene and Propiolic Acid

Phenylpropiolic acid Preparation Products And Raw materials

Raw materials

CARBON-13C DIOXIDE METHYL PHENYLPROPIOLATE PHENYLETHYNYLMAGNESIUM BROMIDE Phenylpropiolaldehyde 3-PHENYL-2-PROPYN-1-OL

Phenylacetylene ETHYL PHENYLPROPIOLATE Propiolic Acid ACROLEIN 2,4-DINITROPHENYLHYDRAZONE FORMALDEHYDE 2,4-DINITROPHENYLHYDRAZONE

2,4-Dinitrophenylhydrazine

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Preparation Products

1,4-DIPHENYLBUTADIYNE 4,6-DIPHENYL-2-PYRONE 4-Bromo diphenylacetylene 4-(2-PHENYLETH-1-YNYL)BENZALDEHYDE

Phenylpropiolic acid Suppliers

Global( 230)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615531157085	abby@chuanghaibio.com	China	8808	58
Hebei Mujin Biotechnology Co.,Ltd	+86 13288715578 +8613288715578	sales@hbmojin.com	China	12809	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18137	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29730	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29858	58
Changzhou Ansciep Chemical Co., Ltd.	+86 519 86305871	sales@ansciepchem.com	CHINA	4241	58
Accela ChemBio Inc.	+1-858-6993322	info@accelachem.com	United States	19825	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49732	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569262 +86-15003564040	1087@dideu.com	China	3270	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Mujin Biotechnology Co.,Ltd	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Capot Chemical Co.,Ltd.	60
career henan chemical co	58
Changzhou Ansciep Chemical Co., Ltd.	58
Accela ChemBio Inc.	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Shaanxi Dideu Medichem Co. Ltd	58

View Lastest Price from Phenylpropiolic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-04-23	Phenylpropiolic acid 637-44-5	US $1.00 / KG	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-04-15	Phenylpropiolic acid 637-44-5	US $0.00-0.00 / KG	1KG	99%	500000kg	Hebei Chuanghai Biotechnology Co., Ltd
2025-03-21	Phenylpropiolic acid 637-44-5	US $0.00 / KG	1KG	99%	50000KG/month	Hebei Mujin Biotechnology Co.,Ltd

Phenylpropiolic acid
637-44-5
US $1.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

Phenylpropiolic acid
637-44-5
US $0.00-0.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

Phenylpropiolic acid
637-44-5
US $0.00 / KG
99%
Hebei Mujin Biotechnology Co.,Ltd

Phenylpropiolic acid Spectrum

Phenylpropiolic acid(637-44-5)MS Phenylpropiolic acid(637-44-5)¹HNMR Phenylpropiolic acid(637-44-5)¹³CNMR Phenylpropiolic acid(637-44-5)IR1 Phenylpropiolic acid(637-44-5)IR2 Phenylpropiolic acid(637-44-5)IR3 Phenylpropiolic acid(637-44-5)Raman

637-44-5(Phenylpropiolic acid)Related Search:

Propiolic Acid Ethyl 2-(Chlorosulfonyl)acetate Hyaluronic acid Folic acid Citric acid

Propyne Ethyl propiolate Phenylacetylene Phenylpropyl aldehyde Phenylphosphonic dichloride

Phenylphosphinic acid Phenylphosphonic acid Ascoric Acid PHENYLPROPIOLIC ACID ETHYL ESTER,3-Phenylpropiolic acid ethyl ester,Phenylpropiolic acid ethyl PHENYLPROPIOLIC ACID METHYL ESTER,3-Phenylpropiolic acid methyl,Phenylpropiolic acid methyl

Acetylene Phenylpropiolic acid P-TOLYL-PROPYNOIC ACID ETHYL ESTER

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3-Phenylpropargylic acid Phenylpropiolic acid,97% Phenylpropiolic acid ,96% Phenylpropiolic acid, 97% 5GR PHENYLPROPIOLIC ACID CRYSTALLINE Phenylpropiolic acid, 98+% Phenylpropiolic acid 99% Propiolic acid, phenyl- (8CI) 2-Propynoic acid, 3-phenyl- 3-phenyl-2-propynoicaci b-Phenylpropargylic acid Phenylacetylene monocarboxylic acid Propiolic acid, 3-phenyl- Propiolic acid, phenyl- Phenylacetylenecarboxylic acid for synthesis 3-PHENYL-2-PROPYNOIC ACID B-PHENYLPROPIOLIC ACID PHENYLACETYLENECARBOXYLIC ACID PHENYLPROPIOLIC ACID PHENYLPROPARGYLIC ACID RARECHEM AL BE 0668 Phenylacetylenecarboxylic acid~3-Phenylpropynoic acid Phenylpropioplic Acid 3-phenyl-2-propynoate PhenylpropiolicAcid> phenylpropanic acid Benzenepropiolic acid 3-Phenylpropiolic acid PHENYLPROPYNOIC ACID 3-PHENYLPROPYNOIC ACID 637-44-5 C9H6O2 C6H5CCCOOH C6H5CCCO2H C6H5C8801CCOOH C9H5O2 Acetylenes Acetylenic Carboxylic Acids & Their Derivatives C9 Carboxylic Acids Carbonyl Compounds Building Blocks CARBOXYLIC ACID Organic Building Blocks Building Blocks C9 Carbonyl Compounds Carboxylic Acids Chemical Synthesis Organic Building Blocks Aromatic Propionic Acids Acetylenes Acetylenic Alcohols & Their Derivatives Diyne Compounds (LB Films) Functional Materials LB Films Acetylenic Carboxylic Acids & Their Derivatives