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PROPIOLALDEHYDE
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  • Name PROPIOLALDEHYDE
  • EINECSN/A
  • CAS No. 624-67-9
  • Density0.913g/cm3
  • PSA17.07000
  • LogP-0.18150
  • SolubilityN/A
  • Melting Point121-122 °C
  • FormulaC3H2 O
  • Boiling Point60°C at 760 mmHg
  • Molecular Weight54.0483
  • Flash Point4.8°C
  • Transport InformationN/A
  • AppearanceN/A
  • SafetyMutation data reported. A storage hazard especially in glass. Explosive reaction with pyridine. Violent polymerization reaction on contact with alkalies. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALDEHYDES.
  • Risk CodesR10
  • Molecular Structure
    Molecular Structure of 624-67-9 (PROPYNAL)
  • Hazard SymbolsN/A
  • SynonymsN/A
  • Article Data54

PROPIOLALDEHYDE Synthetic route

10-(1-methoxy-2-propynyl)phenothiazine

A

624-67-9

Propargylic aldehyde

B

92-84-2

10H-phenothiazine

Conditions
ConditionsYield
With sulfuric acid In 1,4-dioxane at 18℃;A n/a
B 95%
107-19-7

propargyl alcohol

624-67-9

Propargylic aldehyde

Conditions
ConditionsYield
With chromium(VI) oxide; sulfuric acid In water; butanone at 20 - 25℃; for 5h;91%
With chromium(VI) oxide; sulfuric acid In water; butanone at 20 - 25℃; under 760.051 Torr; for 1h;90%
With C6H12N2*2ClCrO3(1-)*2H(1+) In dichloromethane at 20℃; for 2h;85%

9-(1-methoxy-2-propynyl)carbazole

A

624-67-9

Propargylic aldehyde

B

86-74-8

9H-carbazole

Conditions
ConditionsYield
With sulfuric acid In 1,4-dioxane at 18℃;A n/a
B 84%
6921-27-3

dipropargyl ether

A

624-67-9

Propargylic aldehyde

B

463-49-0

1,2-propanediene

Conditions
ConditionsYield
at 750℃; under 0.001 - 0.01 Torr;A 80%
B n/a
19012-03-4

N-methyl-3-formylindole

4301-14-8

acetylenemagnesium bromide

A

624-67-9

Propargylic aldehyde

B

3,3'-(prop-2-yne-1,1-diyl)bis(1-methyl-1H-indole)

Conditions
ConditionsYield
In tetrahydrofuran at 0℃; for 12h;A n/a
B 68%
62842-54-0

DL-erythro-pentyne-(1)-triol-(3.4.5)

624-67-9

Propargylic aldehyde

Conditions
ConditionsYield
With sodium periodate; water
5651-88-7

phenyl propargyl sulfide

624-67-9

Propargylic aldehyde

Conditions
ConditionsYield
With tert-butylhypochlorite In ethanol
35161-71-8

N-methylpropargylamine

624-67-9

Propargylic aldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
1197-51-9

N-propargylbenzylamine

A

624-67-9

Propargylic aldehyde

B

100-52-7

benzaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction. Yields of byproduct given;
2798-73-4, 3685-19-6, 3685-20-9

(Z)-1-methoxybut-1-en-3-yne

A

624-67-9

Propargylic aldehyde

B

107-31-3

Methyl formate

Conditions
ConditionsYield
With air In chloroform-d1 for 1440h; Product distribution; Ambient temperature; daylight;

PROPIOLALDEHYDE Chemical Properties

IUPAC Name: Prop-2-ynal
Synonyms:  Propynal ; 2-Propynal ; Propiolaldehyde ; Propioaldehyde ; Propynal tec ; 2-Propyn-1-al ; 2-Propyne-1-one ; Propiolic aldehyde
CAS NO: 624-67-9
Molecular Formula: C3H2O
Molecular Weight: 54.04738
Molecular Structure:
EINECS: 210-857-4
Mol File: 624-67-9.mol
Index of Refraction: 1.388
Surface Tension: 30.8 dyne/cm
Density: 0.913 g/cm3
Flash Point: 4.8 °C
Enthalpy of Vaporization: 30.25 kJ/mol
Boiling Point: 60 °C at 760 mmHg
Vapour Pressure: 196 mmHg at 25°C
Appearance: Propiolaldehyde (CAS NO.624-67-9) is colorless oily liquid.

PROPIOLALDEHYDE Uses

 Propiolaldehyde (CAS NO.624-67-9) is used as reagents in organic synthesis.

PROPIOLALDEHYDE Production

1.Propiolaldehyde (CAS NO.624-67-9) can be obtained by oxidation of propargyl alcohol by Chromium trioxide sulfuric acid solution.
2.After Acrolein acetal, addition reaction by Bromide , elimination of Hydrogen bromide and Hydrolysis,then get Propiolaldehyde (CAS NO.624-67-9).

PROPIOLALDEHYDE Toxicity Data With Reference

1.    

mmo-sat 1 µmol/plate

     PAACA3    Proceedings of the American Association for Cancer Research. 24 (1983),91.

PROPIOLALDEHYDE Consensus Reports

Reported in EPA TSCA Inventory.

PROPIOLALDEHYDE Safety Profile

Mutation data reported. A storage hazard especially in glass. Explosive reaction with pyridine. Violent polymerization reaction on contact with alkalies. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALDEHYDES.
Risk Statements 10 
R10:Flammable.
Safety Statements 16
S16:Keep away from sources of ignition.
RIDADR 1989
 

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