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3-Hydroxypropanoic acid
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  • Name 3-Hydroxypropanoic acid
  • EINECS207-974-8
  • CAS No. 503-66-2
  • Density1.283 g/cm3
  • PSA57.53000
  • LogP-0.54660
  • Solubility270.1g/L(25 oC)
  • Melting Point16.8°C (estimate)
  • FormulaC3H6O3
  • Boiling Point279.7 °C at 760 mmHg
  • Molecular Weight90.0788
  • Flash Point137.2 °C
  • Transport InformationN/A
  • AppearanceN/A
  • Safety26-36/37/39
  • Risk Codes36/37/38
  • Molecular Structure
    Molecular Structure of 503-66-2 (3-HYDROXYPROPIONIC ACID)
  • Hazard SymbolsIrritantXi
  • SynonymsIrritantXi
  • Article Data105

3-Hydroxypropanoic acid Synthetic route

535-17-1

2-acetoxypropionic acid

4272-12-2

3-acetoxypropionic acid

A

849585-22-4

LACTIC ACID

B

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With water; Amberlite IR 120 at 80℃; for 16h; Product distribution / selectivity;A 100%
B 100%
With water; hydrogenchloride at 100℃; for 16h; Product distribution / selectivity;
With water; toluene-4-sulfonic acid at 100℃; for 16h; Product distribution / selectivity;

3-(hydroperoxy)propanoic acid

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In methanol under 2888.19 Torr; for 0.666667h;100%
With palladium 10% on activated carbon; hydrogen In methanol under 2888.19 Torr; for 0.666667h; Baeyer-Villiger Ketone Oxidation;100%
141-76-4

3-iodopropanoic acid

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With sodium hydroxide In water; hexan-1-ol at 80℃; for 2h; Solvent; Temperature; Reagent/catalyst;99%
With rhodium on carbon; water; hydrogen iodide; hydrogen at 99.84℃; under 20686.5 Torr; for 1h; Autoclave;69.4%
With water; silver(l) oxide
With water; silver(l) oxide man behandelt das Filtrat mit Schwefelwasserstoff, filtriert ab, neutralisiert das Filtrat mit Soda, verdampft und zieht das hydracrylsaure Natrium durch Alkohol aus und krystallisiert beim Erkalten aus;
109-78-4

3-Hydroxypropionitrile

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
Stage #1: 3-Hydroxypropionitrile With sodium hydroxide In water for 8h; Reflux; Saturated solution;
Stage #2: With hydrogenchloride In water		92.1%
With hydrogenchloride; water for 4h; Reagent/catalyst;89%
With sodium hydroxide for 12h; Ambient temperature;75%
57-57-8

β-Propiolactone

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With sodium hydroxide In methanol77%
With barium dihydroxide; water
With water In 1,4-dioxane at 25℃; Kinetics; Further Variations:; Temperatures; Solvents;

ammonium 3-hydroxypropionate

A

79-06-1

2-propenamide

B

acrylic acid ammonium salt

C

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With ammonia; Ti-0720 (Engelhard) catalyst In water at 200 - 250℃; for 37h; Product distribution / selectivity;A n/a
B 75%
C n/a
titanium catalyst In water at 180℃; for 37h; Product distribution / selectivity;A 1.5%
B 65%
C n/a
titanium catalyst In water at 180℃; for 37h; Product distribution / selectivity;A 1.5%
B 65%
C n/a
107-18-6

allyl alcohol

A

79-10-7

acrylic acid

B

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With oxygen; sodium hydroxide In water at 50℃; Reagent/catalyst; Sonication;A 60.1%
B 21.3%
With water; oxygen; sodium hydroxide at 50℃; under 2250.23 Torr; for 24h;A 51.1%
B 28.4%
With oxygen; sodium hydroxide In water at 50℃; under 2250.23 Torr; for 12h;
123-76-2

levulinic acid

A

64-18-6

formic acid

B

110-15-6

succinic acid

C

431-47-0

trifluoroacetic acid-methyl ester

D

64-19-7

acetic acid

E

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With dihydrogen peroxide; trifluoroacetic acid In water at -78 - 90℃; for 1.66667h;A 45%
B 60%
C 45%
D 43%
E 9%
...Expand
123-76-2

levulinic acid

76-05-1

trifluoroacetic acid

A

64-18-6

formic acid

B

110-15-6

succinic acid

C

431-47-0

trifluoroacetic acid-methyl ester

D

64-19-7

acetic acid

E

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With dihydrogen peroxide In water at 90℃; for 1h;A 45 %Spectr.
B 60%
C 45 %Spectr.
D 43 %Spectr.
E 9 %Spectr.
...Expand
109-99-9

tetrahydrofuran

503-66-2

3-hydroxypropionic acid

Conditions
ConditionsYield
With dihydrogen peroxide In water at 90℃; under 7600.51 Torr; for 12h; Reagent/catalyst; Temperature; Solvent; Pressure; Inert atmosphere;58%

3-Hydroxypropanoic acid Chemical Properties

Molecular structure of Propanoic acid,3-hydroxy- (CAS NO.503-66-2) is:

Product Name: Propanoic acid,3-hydroxy-
CAS Registry Number: 503-66-2
IUPAC Name: 3-Hydroxypropanoic acid
Molecular Weight: 90.07794 [g/mol]  
Molecular Formula: C3H6O3  
XLogP3-AA: -1  
H-Bond Donor: 2  
H-Bond Acceptor: 3  
EINECS: 207-974-8
Surface Tension: 53.7 dyne/cm 
Density: 1.283 g/cm3 
Flash Point: 137.2 °C 
Enthalpy of Vaporization: 60.18 kJ/mol 
Boiling Point: 279.7 °C at 760 mmHg 
Vapour Pressure: 0.000476 mmHg at 25°C 
Product Categories: Aliphatics;Carboxylic Acids;omega-Functional Alkanols, Carboxylic Acids, Amines & Halides;omega-Hydroxycarboxylic Acids;Carboxylic Acids

3-Hydroxypropanoic acid Safety Profile

Safty information about Propanoic acid,3-hydroxy- (CAS NO.503-66-2) is:
Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

3-Hydroxypropanoic acid Specification

 Propanoic acid,3-hydroxy- , its cas register number is 503-66-2. It also can be called 3-Hydroxypropanoic acid ; Ethylene lactic acid ; Glyceric acid, 2-deoxy- ; Hydracrylic acid ; beta-Hydroxypropionic acid ; beta-Lactic acid .

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