Product Name

  • Name

    10,12-PENTACOSADIYNOIC ACID

  • EINECS
  • CAS No. 66990-32-7
  • Article Data2
  • CAS DataBase
  • Density 0.93 g/cm3
  • Solubility Slightly soluble in water.
  • Melting Point 62-63 °C
  • Formula C25H42O2
  • Boiling Point 522.5 °C at 760 mmHg
  • Molecular Weight 374.607
  • Flash Point 246.9 °C
  • Transport Information
  • Appearance
  • Safety 26-36/37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 66990-32-7 (10,12-PENTACOSADIYNOIC ACID)
  • Hazard Symbols Xi
  • Synonyms DA3261;Pentacosa-10,12-diynoic acid;
  • PSA 37.30000
  • LogP 7.50960

Synthetic route

undec-10-ynoic acid
2777-65-3

undec-10-ynoic acid

1-chloro-tetradec-1-yne
850622-13-8

1-chloro-tetradec-1-yne

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

Conditions
ConditionsYield
With potassium hydroxide; methylamine; copper(l) chloride In tetrahydrofuran; methanol; water 1) 20 deg C, 4 h, 2) 40 deg C, 1 h;52%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

pentacosa-10,12-diynoyl chloride
128937-83-7

pentacosa-10,12-diynoyl chloride

Conditions
ConditionsYield
With oxalyl dichloride In dichloromethane100%
With thionyl chloride In Petroleum ether for 3h; Heating;98%
With phosphorus pentachloride In benzene Heating;
1-hydroxy-pyrrolidine-2,5-dione
6066-82-6

1-hydroxy-pyrrolidine-2,5-dione

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N-succinimidyl 10,12-pentacosadiynoic acid ester
146064-06-4

N-succinimidyl 10,12-pentacosadiynoic acid ester

Conditions
ConditionsYield
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere;100%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 7h;97%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 2h;96%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

10,12-pentacosadiynoic acid fluoride
625443-01-8

10,12-pentacosadiynoic acid fluoride

Conditions
ConditionsYield
With pyridine; trifluoro-[1,3,5]triazine In dichloromethane for 3h; Heating;99%
With dmap; trifluoromethyl trifluoromethanesulfonate In dichloromethane at 20℃; for 1h; Inert atmosphere; Schlenk technique;78%
morpholine
110-91-8

morpholine

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

C4H9NO*C25H42O2

C4H9NO*C25H42O2

Conditions
ConditionsYield
for 1.5h; Milling;98%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

ethyl 2-(5-(N-(2-(2-(2-(2,3-diaminopropanoylamino)ethoxy)ethyl)carbamoyl)-3-bis(ethoxycarbonyl)methyl)amino)acetate
225116-00-7

ethyl 2-(5-(N-(2-(2-(2-(2,3-diaminopropanoylamino)ethoxy)ethyl)carbamoyl)-3-bis(ethoxycarbonyl)methyl)amino)acetate

{[3-[(bis-ethoxycarbonylmethyl-amino)-methyl]-5-(2-{2-[2-(2,3-bis-pentacosa-10,12-diynoylamino-propionylamino)-ethoxy]-ethoxy}-ethylcarbamoyl)-benzyl]-ethoxycarbonylmethyl-amino}-acetic acid ethyl ester

{[3-[(bis-ethoxycarbonylmethyl-amino)-methyl]-5-(2-{2-[2-(2,3-bis-pentacosa-10,12-diynoylamino-propionylamino)-ethoxy]-ethoxy}-ethylcarbamoyl)-benzyl]-ethoxycarbonylmethyl-amino}-acetic acid ethyl ester

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile for 12h; Ambient temperature;97%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

methyl 2,3-diaminopropanoate p-toluenesulfonate

methyl 2,3-diaminopropanoate p-toluenesulfonate

2,3-bis-pentacosa-10,12-diynoylamino-propionic acid methyl ester

2,3-bis-pentacosa-10,12-diynoylamino-propionic acid methyl ester

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In chloroform; N,N-dimethyl-formamide at 25℃; for 15h; Substitution;96%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

10,12-pentacosadiyne-1-ol
92266-90-5

10,12-pentacosadiyne-1-ol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether at 20℃; for 1.5h; Inert atmosphere;96%
With lithium aluminium tetrahydride In diethyl ether at 4 - 20℃; for 1.5h; Inert atmosphere;96%
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 1.75h;91%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N-butylamine
109-73-9

N-butylamine

C4H11N*C25H42O2

C4H11N*C25H42O2

Conditions
ConditionsYield
for 0.75h; Milling;96%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

Toluene-4-sulfonic acid; compound with (S)-2,5-diamino-pentanoic acid ethyl ester

Toluene-4-sulfonic acid; compound with (S)-2,5-diamino-pentanoic acid ethyl ester

(S)-2,5-Bis-pentacosa-10,12-diynoylamino-pentanoic acid ethyl ester
1054631-89-8

(S)-2,5-Bis-pentacosa-10,12-diynoylamino-pentanoic acid ethyl ester

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In chloroform at 25℃; for 12h;95%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

diethylamine
109-89-7

diethylamine

C4H11N*2C25H42O2

C4H11N*2C25H42O2

Conditions
ConditionsYield
for 0.75h; Milling;94%
C66H86O41

C66H86O41

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

C91H126O42

C91H126O42

Conditions
ConditionsYield
Stage #1: 10,12-pentacosanodiynoic acid With 1-hydroxy-pyrrolidine-2,5-dione; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform at 0 - 20℃; for 12h;
Stage #2: C66H86O41 In chloroform at 20℃; for 20h;
92%
methanol
67-56-1

methanol

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

methyl pentacosa-10,12-diynoate
120650-77-3

methyl pentacosa-10,12-diynoate

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃;91%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; for 18h; Inert atmosphere;
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

sodium 10,12-pentacosadiynoate/10,12-pentacosadiynoic acid salt cocrystal

sodium 10,12-pentacosadiynoate/10,12-pentacosadiynoic acid salt cocrystal

Conditions
ConditionsYield
With sodium hydroxide for 0.75h; Milling;91%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

[(2-{2-[2-(2,3-diamino-propionylamino)-ethoxy]-ethoxy}-ethyl)-ethoxycarbonylmethyl-amino]-acetic acid ethyl ester; compound with trifluoro-acetic acid

[(2-{2-[2-(2,3-diamino-propionylamino)-ethoxy]-ethoxy}-ethyl)-ethoxycarbonylmethyl-amino]-acetic acid ethyl ester; compound with trifluoro-acetic acid

[(2-{2-[2-(2,3-bis-pentacosa-10,12-diynoylamino-propionylamino)-ethoxy]-ethoxy}-ethyl)-ethoxycarbonylmethyl-amino]-acetic acid ethyl ester
225115-54-8

[(2-{2-[2-(2,3-bis-pentacosa-10,12-diynoylamino-propionylamino)-ethoxy]-ethoxy}-ethyl)-ethoxycarbonylmethyl-amino]-acetic acid ethyl ester

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile for 24h; Ambient temperature;90%
tert-butyl [amine(methylthio)methylene]carbamate
173998-77-1

tert-butyl [amine(methylthio)methylene]carbamate

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

tert-butyl (pentacosa-10,12-diynamido)methylthiomethylenecarbamate
1251828-72-4

tert-butyl (pentacosa-10,12-diynamido)methylthiomethylenecarbamate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere;89%
2-(2′-(2″-bromoethoxy)ethoxy)ethanol
57641-67-5

2-(2′-(2″-bromoethoxy)ethoxy)ethanol

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

2-(2-(2-bromoethoxy)ethoxy)ethyl pentacosa-10,12-diynoate

2-(2-(2-bromoethoxy)ethoxy)ethyl pentacosa-10,12-diynoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 2h;89%
4,4'-bipiperidine
15336-72-8

4,4'-bipiperidine

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

C10H20N2*2C25H42O2

C10H20N2*2C25H42O2

Conditions
ConditionsYield
for 1.5h; Milling;89%
N-ethylethane-1,2-diamine
110-72-5

N-ethylethane-1,2-diamine

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N-(2-(ethylamino)ethyl)pentacosa-10,12-diynamide

N-(2-(ethylamino)ethyl)pentacosa-10,12-diynamide

Conditions
ConditionsYield
Stage #1: 10,12-pentacosanodiynoic acid With dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 1h;
Stage #2: N-ethylethane-1,2-diamine In dichloromethane at 20℃;
88%
Stage #1: 10,12-pentacosanodiynoic acid With dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 1h;
Stage #2: N-ethylethane-1,2-diamine In dichloromethane at 20℃; for 1h;
88%
2-methoxy-ethanol
109-86-4

2-methoxy-ethanol

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

2-methoxyethyl pentacosa-10,12-diynoate

2-methoxyethyl pentacosa-10,12-diynoate

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; for 18h;86%
Succinimide
123-56-8

Succinimide

triethylamine (Et3N)

triethylamine (Et3N)

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N-succinimidyl 10,12-pentacosadiynoic acid ester
146064-06-4

N-succinimidyl 10,12-pentacosadiynoic acid ester

Conditions
ConditionsYield
With 1,2-dichloro-ethane In dichloromethane85%
With 1,2-dichloro-ethane In dichloromethane85%
4-aminopyridine
504-24-5

4-aminopyridine

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N-(pyridin-4-yl)pentacosa-10,12-diynamide

N-(pyridin-4-yl)pentacosa-10,12-diynamide

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; Inert atmosphere;84%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

Propargylamine
2450-71-7

Propargylamine

N-(2-propynyl)pentacosa-10,12-diynamide
1166851-54-2

N-(2-propynyl)pentacosa-10,12-diynamide

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃; for 16h;83%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

C55H99N7O24S
261518-54-1

C55H99N7O24S

C80H139N7O25S

C80H139N7O25S

Conditions
ConditionsYield
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 18h;80%
1,6-Hexanediamine
124-09-4

1,6-Hexanediamine

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N,N'-hexamethylenebispentacosa-10,12-diynamide
1204604-70-5

N,N'-hexamethylenebispentacosa-10,12-diynamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 13h;79%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In chloroform at 0 - 20℃;65%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

2-butyl-6-(piperazin-1-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione
361161-29-7

2-butyl-6-(piperazin-1-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione

C45H63N3O3

C45H63N3O3

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;79%
1-bromo-6-hexanol
4286-55-9

1-bromo-6-hexanol

10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

6-bromohexyl pentacosa-10,12-diynoate

6-bromohexyl pentacosa-10,12-diynoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 2h;78%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

Trimethylenediamine
109-76-2

Trimethylenediamine

N,N'-propylenebispentacosa-10,12-diynamide
1412887-32-1

N,N'-propylenebispentacosa-10,12-diynamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 13h;78%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

1,4-diaminobutane
110-60-1

1,4-diaminobutane

N,N'-butylenebispentacosa-10,12-diynamide
1204604-69-2

N,N'-butylenebispentacosa-10,12-diynamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 13h;76%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In chloroform at 0 - 20℃;75%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

N,N-bis(carboxymethyl)-L-lysine
113231-05-3

N,N-bis(carboxymethyl)-L-lysine

N(6)-pentacosa-10,12-diynoyl-N(2),N(2)-bis(carboxymethyl)lysine
1108712-97-5

N(6)-pentacosa-10,12-diynoyl-N(2),N(2)-bis(carboxymethyl)lysine

Conditions
ConditionsYield
Stage #1: 10,12-pentacosanodiynoic acid With 1-hydroxy-pyrrolidine-2,5-dione; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere;
Stage #2: N,N-bis(carboxymethyl)-L-lysine With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 12h;
76%
10,12-pentacosanodiynoic acid
66990-32-7

10,12-pentacosanodiynoic acid

(S)-3-((2R,3R,4R,5S,6R)-3-Acetylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-2-amino-N-octadecyl-propionamide

(S)-3-((2R,3R,4R,5S,6R)-3-Acetylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-2-amino-N-octadecyl-propionamide

N-(10,12-pentacosadiynoyl)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-L-serineoctadecylamide

N-(10,12-pentacosadiynoyl)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-L-serineoctadecylamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In methanol at 20℃; for 14h;75%

10,12-Pentacosadiynoicacid Specification

The 10,12-Pentacosadiynoicacid is an organic compound with the formula C25H42O2. The systematic name of this chemical is pentacosa-10,12-diynoic acid. With the CAS registry number 66990-32-7, it is also named as 10-12-Pentacosadiynoic acid. The product's categories are Acetylenes; Acetylenic Carboxylic Acids & Their Derivatives; Diacetylene Monocarboxylic Acids; Functional Materials; LB Films. Besides, it should be stored in a closed cool and dry place.

Physical properties about 10,12-Pentacosadiynoicacid are: (1)ACD/LogP: 10.23; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 9.43; (4)ACD/LogD (pH 7.4): 7.64; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 89697.19; (7)ACD/KOC (pH 5.5): 1395197.5; (8)ACD/KOC (pH 7.4): 22369; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 19; (12)Polar Surface Area: 26.3 Å2; (13)Index of Refraction: 1.485; (14)Molar Refractivity: 115.44 cm3; (15)Molar Volume: 402.4 cm3; (16)Polarizability: 45.76×10-24cm3; (17)Surface Tension: 38.8 dyne/cm; (18)Density: 0.93 g/cm3; (19)Flash Point: 246.9 °C; (20)Enthalpy of Vaporization: 87.09 kJ/mol; (21)Boiling Point: 522.5 °C at 760 mmHg; (22)Vapour Pressure: 2.56E-12 mmHg at 25°C.

Preparation of 10,12-Pentacosadiynoicacid: this chemical can be prepared by undec-10-ynoic acid and 1-chloro-tetradec-1-yne. This reaction will need reagents KOH, CuCl, MeNH2 and solvents tetrahydrofuran, methanol, H2O. The reaction time is 4 hours with reaction temperature of 20 °C. The yield is about 52%.

10,12-Pentacosadiynoicacid can be prepared by undec-10-ynoic acid and 1-chloro-tetradec-1-yne

Uses of 10,12-Pentacosadiynoicacid: it can be used to produce pentacosa-10,12-diynoyl chloride. It will need reagent (COCl)2 and solvent CH2Cl2. The yield is about 100%.

10,12-Pentacosadiynoicacid can be used to produce pentacosa-10,12-diynoyl chloride

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)CCCCCCCCC#CC#CCCCCCCCCCCCC
(2)InChI: InChI=1/C25H42O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25(26)27/h2-12,17-24H2,1H3,(H,26,27)
(3)InChIKey: ZPUDRBWHCWYMQS-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C25H42O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25(26)27/h2-12,17-24H2,1H3,(H,26,27)
(5)Std. InChIKey: ZPUDRBWHCWYMQS-UHFFFAOYSA-N

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