Propiolic acid supplier | CasNO.471-25-0

Name
Propiolic acid
EINECS 207-437-8
CAS No. 471-25-0
Article Data54
CAS DataBase
Density 1.241 g/cm³
Solubility miscible with water
Melting Point 16-18 °C(lit.)
Formula C₃H₂O₂
Boiling Point 139.7 °C at 760 mmHg
Molecular Weight 70.0477
Flash Point 58.9 °C
Transport Information UN 2920 8/PG 2
Appearance viscous yellow liquid
Safety 26-36/37/39-45-24/25-7/9
Risk Codes 24/25-34-25-23/24/25
Molecular Structure
Hazard Symbols T
Synonyms Propiolicacid (6CI,8CI);2-Propyne-1-carboxylic acid;Acetylenecarboxylic acid;Acetylenemonocarboxylic acid;Carboxyacetylene;NSC 16152;Propargylic acid;
PSA 37.30000
LogP -0.29580

Synthetic route

: 2450-71-7
Propargylamine

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
Stage #1: Propargylamine With sodium nitrate at 30 - 45℃; for 3.33h; Stage #2: With diethyleneglycol diacetate; antimonypentachloride at 56℃; for 0.833333h; Temperature;	94%

: 107-19-7
propargyl alcohol

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With tert.-butylhydroperoxide; copper(l) chloride In decane; acetonitrile at 20℃; for 5h;	93%
With sodium hydroxide; sodium hypochlorite; TEMPOL In water; ethyl acetate at 15 - 20℃; pH=8.5; Aqueous phophate buffer;	92%
With sodium hydroxide; sodium hypochlorite; disodium hydrogenphosphate; phosphoric acid; TEMPOL In water at 5 - 10℃; pH=7 - 10; Aqueous phophate buffer;	83%

: 107-19-7
propargyl alcohol

A: 4383-39-5
Propiolsaeure-(2-propinyl)ester

B: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With sodium hydroxide; sodium hypochlorite; sulfuric acid; TEMPOL In water at 5 - 10℃; pH=8 - 10;	A 0.9% B 83%
With sodium hydroxide; sodium hypochlorite; sulfuric acid; TEMPOL; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 5 - 10℃; pH=8 - 10;	A 1.3% B 46%

: 584-99-6
trans-2-bromobutenedioic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With water at 140℃;

: 644-80-4
cis-2-bromobutenedioic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With water at 140℃;

: 1066-26-8
sodium acetylide

: 15719-64-9, 15719-76-3, 97762-63-5
methylammonium carbonate

: 471-25-0
Propiolic acid

: 1066-26-8
sodium acetylide

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With carbon dioxide under 38000 - 45600 Torr;

: 142-45-0
Acetylenedicarboxylic acid

: 471-25-0
Propiolic acid

: 4301-14-8
acetylenemagnesium bromide

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With carbon dioxide
With diethyl ether; carbon dioxide

: 124-38-9
carbon dioxide

: 1066-26-8
sodium acetylide

: 471-25-0
Propiolic acid

: 7732-18-5
water

: 142-45-0
Acetylenedicarboxylic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure, der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation;

: 123-91-1
1,4-dioxane

: 7732-18-5
water

: 142-45-0
Acetylenedicarboxylic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation;

...Expand

: 67-56-1
methanol

: 7732-18-5
water

: 142-45-0
Acetylenedicarboxylic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation;

...Expand

: 64-17-5
ethanol

: 7732-18-5
water

: 142-45-0
Acetylenedicarboxylic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation;

...Expand

acidic potassium salt of/the/ acetylene-dicarboxylic acid: acidic potassium salt of/the/ acetylene-dicarboxylic acid

: 471-25-0
Propiolic acid

acidic potassium salt of/the/ acetylenedicarboxylic acid: acidic potassium salt of/the/ acetylenedicarboxylic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With water

dibromosuccinic acid: dibromosuccinic acid

: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
With ethanol ueber mehrere Stufen;

: 7664-93-9
sulfuric acid

: 107-19-7
propargyl alcohol

A: 624-67-9
Propargylic aldehyde

B: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
elektrochemische Oxydation an einer Bleidioxid-Anode;

...Expand

: 7732-18-5
water

: 142-45-0
Acetylenedicarboxylic acid

A: 124-38-9
carbon dioxide

B: 471-25-0
Propiolic acid

...Expand

: 7732-18-5
water

: 142-45-0
Acetylenedicarboxylic acid

A: 15719-64-9, 15719-76-3, 97762-63-5
methylammonium carbonate

B: 471-25-0
Propiolic acid

C: 74-86-2
acetylene

Conditions

Conditions	Yield
at 130℃;

...Expand

: 109-72-8, 29786-93-4
n-butyllithium

: 593-60-2
Vinyl bromide

: 124-38-9
carbon dioxide

petroleum ether: petroleum ether

A: 471-25-0
Propiolic acid

B: 142-45-0
Acetylenedicarboxylic acid

Conditions

Conditions	Yield
at 14℃;

...Expand

: 584-99-6
trans-2-bromobutenedioic acid

: 7732-18-5
water

A: 124-38-9
carbon dioxide

B: 10035-10-6, 12258-64-9
hydrogen bromide

C: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
at 140℃;

...Expand

: 644-80-4
cis-2-bromobutenedioic acid

: 7732-18-5
water

A: 124-38-9
carbon dioxide

B: 10035-10-6, 12258-64-9
hydrogen bromide

C: 471-25-0
Propiolic acid

Conditions

Conditions	Yield
at 140℃;

...Expand

: 608-36-6
meso-2,3-dibromosuccinic acid

concentrated NaOH-solution: concentrated NaOH-solution

A: 10035-10-6, 12258-64-9
hydrogen bromide

B: 471-25-0
Propiolic acid

C: 142-45-0
Acetylenedicarboxylic acid

...Expand

: 584-99-6
trans-2-bromobutenedioic acid

NaOH-solution (1 mol 0.1n): NaOH-solution (1 mol 0.1n)

A: 124-38-9
carbon dioxide

B: 471-25-0
Propiolic acid

C NaBr: NaBr

Conditions

Conditions	Yield
at 140℃;

...Expand

: 644-80-4
cis-2-bromobutenedioic acid

NaOH-solution (1 mol 0.1n): NaOH-solution (1 mol 0.1n)

A: 124-38-9
carbon dioxide

B: 471-25-0
Propiolic acid

C NaBr: NaBr

Conditions

Conditions	Yield
at 140℃;

...Expand

: 584-99-6
trans-2-bromobutenedioic acid

NaOH-solution (2 mol 0.1n): NaOH-solution (2 mol 0.1n)

A: 124-38-9
carbon dioxide

B: 471-25-0
Propiolic acid

C NaBr: NaBr

...Expand

: 644-80-4
cis-2-bromobutenedioic acid

NaOH-solution (2 mol 0.1n): NaOH-solution (2 mol 0.1n)

A: 124-38-9
carbon dioxide

B: 471-25-0
Propiolic acid

C NaBr: NaBr

...Expand

: 584-99-6
trans-2-bromobutenedioic acid

NaOH-solution (3 mol 0.1n): NaOH-solution (3 mol 0.1n)

A: 124-38-9
carbon dioxide

B: 471-25-0
Propiolic acid

C NaBr: NaBr

Conditions

Conditions	Yield
entsteht Acetylendicarbonsaeure, die unter den Versuchsbedingungen teilweise in das Produkt2 und Produkt3 gespalten wird;

...Expand

: 471-25-0
Propiolic acid

: 6372-02-7
(E)-3-iodoacrylic acid

Conditions

Conditions	Yield
With sodium iodide In trifluoroacetic acid for 48h; Heating;	100%
With hydrogen iodide In water at 95℃; for 21h;	94%
With hydrogen iodide at 95℃; for 21h;	94%

: 2216-51-5
(-)-menthol

: 471-25-0
Propiolic acid

: 65018-52-2
(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl propiolate

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In toluene Reflux; Dean-Stark;	100%
With sulfuric acid
With sulfuric acid for 216h; Ambient temperature;
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 25℃; for 6h;

: 870-63-3
prenyl bromide

: 471-25-0
Propiolic acid

: 118741-76-7
3-methylbut-2-en-1-yl propiolate

Conditions

Conditions	Yield
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; Schlenk technique;	100%
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere;	100%
With sodium hydrogencarbonate In N,N-dimethyl-formamide for 20h; Ambient temperature;
With potassium carbonate In acetone

: 24469-79-2
(E)-hept-4-en-1-ol

: 471-25-0
Propiolic acid

: 79405-41-7
Propynoic acid (E)-hept-4-enyl ester

Conditions

Conditions	Yield
With sulfuric acid	100%

: 471-25-0
Propiolic acid

: 111-27-3
hexan-1-ol

: 68279-21-0
acetylene carboxylic acid n-hexyl ester

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In benzene	100%
toluene-4-sulfonic acid In toluene for 18h; Heating / reflux;	96%
With toluene-4-sulfonic acid	84%
With toluene-4-sulfonic acid In benzene for 16h; Heating;	84%

: (1R,4R)-3-(2-Benzenesulfinyl-ethyl)-4-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-4-methyl-cyclohex-2-enol

: 471-25-0
Propiolic acid

: Propynoic acid (1R,4R)-3-(2-benzenesulfinyl-ethyl)-4-[3-(tert-butyl-dimethyl-silanyloxy)-propyl]-4-methyl-cyclohex-2-enyl ester

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; Acylation;	100%

: 471-25-0
Propiolic acid

: 331627-36-2
(1R,4R)-3-(2-Benzenesulfinyl-ethyl)-4-(tert-butyl-dimethyl-silanyloxymethyl)-4-methyl-cyclohex-2-enol

: 331627-29-3
(1R,4R)-4-tert-butyldimethylsilyloxymethyl-4-methyl-3-(2-phenylsulfinylethyl)-2-cyclohexenyl propiolate

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In toluene at 0℃; for 1h;	100%

: 23695-65-0
adamantane-2-thione

: 471-25-0
Propiolic acid

: 625820-15-7
spiro[6H-[1,3]oxathiin-2,2'-tricyclo[3.3.1.13,7]decan]-6-one

Conditions

Conditions	Yield
In toluene Heating;	100%
In toluene for 5h; Heating;	100%
In toluene at 79.84℃; Kinetics; Further Variations:; Solvents; Temperatures;

: 56-35-9
bis(tri-n-butyltin)oxide

: 471-25-0
Propiolic acid

: 7316-46-3
Propiolsaeure-tri-n-butylstannylester

Conditions

Conditions	Yield
In benzene byproducts: H2O, dicarboxylate; mole ratio of (C4H9)3SnOSn(C4H9)3 and carboxylic acid 1:2; at 20°C or at reflux temp. to remove of water formed by azeotropic distn.;	100%

: 622-37-7
Phenyl azide

: 471-25-0
Propiolic acid

: 4600-04-8
1-phenyl-1H-[1,2,3]triazole-4-carboxylic acid

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium 2-(1,2-dihydroxyethyl)-4-hydroxy-5-oxo-2,5-dihydro-furan-3-olate In water; tert-butyl alcohol at 20℃; for 21h;	100%
Stage #1: Propiolic acid With 2-nitrophenylboronic acid In 1,2-dichloro-ethane at 25℃; for 0.166667h; Inert atmosphere; Stage #2: Phenyl azide In 1,2-dichloro-ethane at 25℃; for 24h; Huisgen cycloaddition; Inert atmosphere; regioselective reaction;	82%
With sodium L-ascorbate In water; ethylene glycol at 60℃; for 0.5h;	78%

: 1196472-27-1
9-(2-azidoethylamino)-N-(2-(dimethylamino)ethyl)acridine-4-carboxamide

: 471-25-0
Propiolic acid

: 1374606-54-8
1-(2-(4-(2-(dimethylamino)ethylcarbamoyl)acridin-9-ylamino)ethyl)-1H-1,2,3-triazole-4-carboxylic acid

Conditions

Conditions	Yield
With copper(II) sulfate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃;	100%

: 3C22H14N6O4(2-)*3Zr(4+)*2O(2-)*2HO(1-)

: 471-25-0
Propiolic acid

: 3C28H18N6O8(2-)*3Zr(4+)*2O(2-)*2HO(1-)

Conditions

Conditions	Yield
With copper(l) iodide In N,N-dimethyl-formamide at 60℃; for 30h;	100%

: Zr3O2(OH)2(2',3',5',6'-tetramethyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylate)3

: 471-25-0
Propiolic acid

: 3Zr(4+)*2O(2-)*2HO(1-)*C36H26N12O12

Conditions

Conditions	Yield
With copper(l) iodide In N,N-dimethyl-formamide at 60℃; for 30h;	100%

: 56956-24-2
(1S)-1,3,3-trimethylbicyclo[2.2.1]heptane-2-selone

: 471-25-0
Propiolic acid

: 960398-74-7
C13H18O2Se

Conditions

Conditions	Yield
With trifluoroacetic acid In chloroform at 20℃; for 48h; Wagner-Meerwein Rearrangement;	100%

: 75051-55-7
(2-aminoxyethyl)carbamic acid tert-butyl ester

: 471-25-0
Propiolic acid

: tert-butyl N-[2-(prop-2-ynoylamino)oxyethyl]carbamate

Conditions

Conditions	Yield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃;	100%

: methyl (3'R,3aR,4S,4'S,6R,6aR)-dihydro-6-(azidomethyl)-2,2,2'-trimethyl-3'-phenylspiro[furo[3,4-d]-1,3-dioxole-4(3aH)-5'-isoxazolidine]-4'-carboxylate

: 471-25-0
Propiolic acid

: methyl (3'R,3aR,4S,4'S,6R,6aR)-dihydro-6-[(4-(hydroxycarbonyl)-1,2,3-triazol-1-yl)methyl]-2,2,2'-trimethyl-3'-phenyl-spiro[furo[3,4-d]-1,3-dioxole-4(3aH)-5'-isoxazolidine]-4'-carboxylate

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 25℃; for 18h;	100%

: C34H58N3O14(1-)*Na(1+)

: 471-25-0
Propiolic acid

: C37H59N3O15

Conditions

Conditions	Yield
Stage #1: Propiolic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 15℃; for 0.333333h; Inert atmosphere; Stage #2: C34H58N3O14(1-)*Na(1+) With sodium hydrogencarbonate In methanol; dichloromethane at 20℃; for 0.5h; Inert atmosphere;	100%

: 103790-48-3
1-tert-butyl 3-(4-aminophenyl)propionate

: 471-25-0
Propiolic acid

: C16H19NO3

Conditions

Conditions	Yield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at -30℃; for 0.5h; Inert atmosphere;	100%

: 471-25-0
Propiolic acid

: 112-55-0
1-dodecylthiol

: ammonium cis-β-(dodecylthio)acrylate

Conditions

Conditions	Yield
In propan-1-ol; ammonia at -33 - -30℃; for 3h;	99.7%

: 10220-25-4
2-N-morpholinopropanethiol

: 471-25-0
Propiolic acid

: 121236-02-0, 121236-06-4
β-(2-N-morpholinopropylthio)acrylic acid

Conditions

Conditions	Yield
for 16h;	99.2%

: 100-38-9
2-(diethylamine)ethanethiol

: 471-25-0
Propiolic acid

: 121236-00-8, 121236-04-2
β-(2-N,N-diethylaminoethylthio)acrylic acid

Conditions

Conditions	Yield
With ammonia for 7h;	99%

: 700-12-9
pentamethylbenzene,

: 471-25-0
Propiolic acid

: (Z)-3-(2,3,4,5,6-pentamethylphenyl)acrylic acid

Conditions

Conditions	Yield
With gold(III) chloride; silver trifluoromethanesulfonate at 23℃; for 1h;	99%
With potassium tetrachloroplatinate; silver trifluoromethanesulfonate; trifluoroacetic acid In dichloromethane at 20℃; for 15h;	96%
With potassium tetrachloroplatinate; silver trifluoromethanesulfonate; trifluoroacetic acid at 20℃; for 15h;	96%

: 1873-77-4
tris-(trimethylsilyl)silane

: 471-25-0
Propiolic acid

: 838852-54-3
(Z)-3-[tris(trimethylsilyl)silyl]propenoic acid

Conditions

Conditions	Yield
With oxygen In water at 20℃; for 24h; optical yield given as %de; stereoselective reaction;	99%
With tris-(trimethylsilyl)silane; 2-hydroxyethanethiol In water at 100℃; for 4h;	95%
at 20℃;	90%

: 100-39-0
benzyl bromide

: 471-25-0
Propiolic acid

: 14447-01-9
benzyl prop-2-ynoate

Conditions

Conditions	Yield
Stage #1: Propiolic acid With caesium carbonate In N,N-dimethyl-formamide at 0℃; for 0.333333h; Inert atmosphere; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 0 - 20℃; for 0.166667h; Inert atmosphere;	99%
Stage #1: Propiolic acid With potassium carbonate In N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 20℃; for 2h;	94%
Stage #1: Propiolic acid With potassium hydroxide In methanol at 20℃; for 0.25h; Stage #2: benzyl bromide In dimethyl sulfoxide at 40℃; for 2h;	87%

: 72320-38-8
3-azidopropan-1-ol

: 471-25-0
Propiolic acid

: 1101852-31-6
1-(3-hydroxypropyl)-1H-[1,2,3]triazole-4-carboxylic acid

Conditions

Conditions	Yield
With ascorbic acid; tris[1-(3-hydroxypropyl)-1H-1,2,3-triazol-4-ylmethyl]amine In water; tert-butyl alcohol at 20℃; for 10h;	99%

: 471-25-0
Propiolic acid

: 920-38-7
sodium propargylate

Conditions

Conditions	Yield
With sodium hydroxide In methanol at 10 - 20℃; for 1h; Darkness;	99%
With sodium hydroxide In methanol at 10 - 20℃; for 1h; Darkness;	99%
With sodium hydroxide In methanol; water at 0 - 20℃; for 2h;	97%
With sodium hydroxide In methanol at 0 - 20℃; for 2h;	97%
With sodium hydride In tetrahydrofuran at 23℃; for 1h; Inert atmosphere; Darkness;

: 2769-64-4
n-butyl isonitrile

: 2393-23-9
4-methoxy-benzylamine

: 78-84-2
isobutyraldehyde

: 471-25-0
Propiolic acid

: C20H28N2O3

Conditions

Conditions	Yield
Stage #1: 4-methoxy-benzylamine; isobutyraldehyde In methanol at 40℃; for 0.5h; Ugi Condensation; Stage #2: n-butyl isonitrile In methanol at 50℃; for 0.333333h; Ugi Condensation; Stage #3: Propiolic acid In methanol for 3h; Ugi Condensation; Reflux;	99%

...Expand

: 580-13-2
2-bromonaphthalene

: 471-25-0
Propiolic acid

: 20199-35-3
di(2-naphthyl)acetylene

Conditions

Conditions	Yield
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane In dimethyl sulfoxide at 110℃; for 16h;	99%
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,2-bis-(diphenylphosphino)ethane In dimethyl sulfoxide at 80℃;
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane In dimethyl sulfoxide at 80℃; for 32h;

: 150-19-6
O-methylresorcine

: 471-25-0
Propiolic acid

: 1123745-75-4
3-methoxyphenyl propiolate

Conditions

Conditions	Yield
Stage #1: O-methylresorcine With sodium hydride In tetrahydrofuran; mineral oil at 0℃; Stage #2: Propiolic acid With dicyclohexyl-carbodiimide In tetrahydrofuran; mineral oil at 0 - 18℃; for 16h;	99%
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 3h;	67%

: 931-53-3
Cyclohexyl isocyanide

: 6-bromoimidazo[1,2-a]pyridine-2-carbaldehyde

: 471-25-0
Propiolic acid

: 104-84-7
para-methylbenzylamine

: N-(1-(6-bromoimidazo[1,2-a]pyridin-2-yl)-2-(cyclohexylamino)-2-oxoethyl)-N-(4-methylbenzyl)propiolamide

Conditions

Conditions	Yield
With sodium carbonate In methanol at 20℃; Ugi Condensation;	99%

...Expand

Propiolic acid Consensus Reports

Reported in EPA TSCA Inventory.

Propiolic acid Specification

The Propiolic acid with CAS registry number of 471-25-0 is also known as 2-Propynoic acid. The IUPAC name is Prop-2-ynoic acid. It belongs to product categories of Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Acetylenes; Acetylenic Carboxylic Acids & Their Derivatives; Diyne Compounds (LB Films); Functional Materials; LB Films. Its EINECS registry number is 207-437-8. In addition, the formula is C₃H₂O₂ and the molecular weight is 70.05. This chemical is a colorless liquid and slightly soluble in water. What's more, this chemical should be sealed in ventilated and dry place away from oxidants at the temperature of 2-8 °C.

Physical properties about Propiolic acid are: (1)ACD/LogP: 0.296; (2)ACD/LogD (pH 5.5): -3.01; (3)ACD/LogD (pH 7.4): -3.45; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 1.00; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 2; (9)#H bond donors: 1; (10)Index of Refraction: 1.456; (11)Molar Refractivity: 15.34 cm³; (12)Molar Volume: 56.446 cm³; (13)Polarizability: 6.081 10-24cm³; (14)Surface Tension: 52.9939994812012 dyne/cm; (15)Density: 1.241 g/cm³; (16)Flash Point: 58.889 °C; (17)Enthalpy of Vaporization: 41.587 kJ/mol; (18)Boiling Point: 139.725 °C at 760 mmHg; (19)Vapour Pressure: 3.65499997138977 mmHg at 25°C

Preparation of Propiolic acid: it is prepared by reaction of acetylene sodium with carbon dioxide. The reaction occurs at the temperature below 90 °C and the pressure 3.55-7.09 MPa.

Uses of Propiolic acid: it is used for organic synthesis. For example, it is used to produce 3c-phenylselanyl-acrylic acid by reaction with benzeneselenol. The reaction occurs with reagent NaOMe and solvent ethanol at the temperature of 60 °C for 2 hours. The yield is about 80.3%.

Propiolic acid is used to produce 3c-phenylselanyl-acrylic acid by reaction with benzeneselenol.

When you are using this chemical, please be cautious about it. As a chemical, it is toxic by inhalation, in contact with skin and if swallowed. Besides, it may cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. Avoid contact with skin and eyes. After using it, keep container tightly closed and in a well-ventilated place. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C#CC(=O)O
2. InChI: InChI=1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
3. InChIKey: UORVCLMRJXCDCP-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
guinea pig	LD50	skin	100mg/kg (100mg/kg)	"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.
mouse	LD50	intraperitoneal	25mg/kg (25mg/kg)	"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.
mouse	LD50	oral	100mg/kg (100mg/kg)	"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.
rat	LD50	intraperitoneal	25mg/kg (25mg/kg)	"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.
rat	LD50	oral	100mg/kg (100mg/kg)	"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.

Product Name

Propiolic acid

Synthetic route

Propiolic acid Consensus Reports

Propiolic acid Specification

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