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1-Phenyl-1,2-Propanedione-2-oxime

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Name

1-Phenyl-1,2-Propanedione-2-oxime

EINECS 204-329-2
CAS No. 119-51-7 Density 1.1 g/cm3
PSA 49.66000 LogP 1.71940
Solubility N/A Melting Point 113-115 °C(lit.)
Formula C9H9NO2 Boiling Point 292.5 °C at 760 mmHg
Molecular Weight 163.176 Flash Point 130.7 °C
Transport Information N/A Appearance White to light yellow crystals
Safety 24/25-37/39-26 Risk Codes 20/21/22-36/37/38
Molecular Structure Molecular Structure of 119-51-7 (1-Phenyl-1,2-propanedione-2-oxime) Hazard Symbols HarmfulXn
Synonyms

1-Phenyl-1,2-propanedione2-oxime;1-Phenyl-2-(hydroxyimino)propan-1-one;2-(Hydroxyimino)propiophenone;2-Hydroxyimino-1-phenyl-1-propanone;Isonitrosopropiophenone;NSC 5410;RA 58;a-(Hydroxyimino)propiophenone;α-iso-Nitrosopropiophenone;

Article Data 40

1-Phenyl-1,2-Propanedione-2-oxime Synthetic route

93-55-0

1-phenyl-propan-1-one

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With hydrogenchloride; tert-Butyl thionitrate In tetrahydrofuran at 0℃; for 0.3h;97%
With tert-Butyl thionitrate In tetrahydrofuran for 0.3h;97%
With chloro-trimethyl-silane; isopentyl nitrite In dichloromethane at -20℃;96%
768-03-6

Phenyl vinyl ketone

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With n-Butyl nitrite; phenylsilane; N,N'-bis(2-ethoxycarbonyl-3-oxobutylidene)ethylenediaminatocobalt(II) complex In tetrahydrofuran for 19h; Ambient temperature;93%
35947-99-0

2-azido-1-phenyl-1-propanone

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride; tetrabutyl ammonium fluoride In tetrahydrofuran; dimethyl sulfoxide at 25℃; for 1h; Inert atmosphere;73%
109-95-5

ethyl nitrite

93-55-0

1-phenyl-propan-1-one

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 30 - 35℃; for 2h; Solvent; Large scale;63.8%
705-60-2

(2-nitroprop-1-enyl)benzene

122-52-1

triethyl phosphite

A

119-51-7

1-phenyl-1,2-propanedione 2-oxime

B

1-(diethoxyphosphinyl)-1-phenylpropene

C

2-(diethoxyphosphinyl)-3-methyl-2-phenyl-2H-azirine

D

α-(diethoxyphosphinyl)-α-ethoxy-α-phenylacetone oxime

Conditions
ConditionsYield
for 20h; Ambient temperature;A 10%
B 7%
C 22%
D 60%
14897-67-7

2-nitropropiophenone

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With tellurium tetrachloride; triethylamine In dichloromethane -78 deg C to RT;28%
93-55-0

1-phenyl-propan-1-one

A

14897-67-7

2-nitropropiophenone

B

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With tert.-butylnitrite at 80℃;A 19%
B 24%
624-91-9

methyl nitrite

93-55-0

1-phenyl-propan-1-one

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With hydrogenchloride; diethyl ether
544-16-1

n-Butyl nitrite

93-55-0

1-phenyl-propan-1-one

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With hydrogenchloride; diethyl ether
With hydrogenchloride In tetrahydrofuran
93-55-0

1-phenyl-propan-1-one

110-46-3

isopentyl nitrite

119-51-7

1-phenyl-1,2-propanedione 2-oxime

Conditions
ConditionsYield
With hydrogenchloride

1-Phenyl-1,2-Propanedione-2-oxime Chemical Properties

Chemistry informtion about  1-Phenyl-1,2-Propanedione-2-oxime (119-51-7) is:
IUPAC Name: (2E)-2-hydroxyimino-1-phenylpropan-1-one , 2-hydroxyimino-1-phenylpropan-1-one
Synonyms: Propiophenone ; Alpha-isonitrosopropiophenone ; 1-phenyl-1,2-propanedione-2-oxime ; 2-isonitrosopropiophenone ; 2-hydroxyiminopropiophenone ; 2-phenyl-1 , 2-propanedione-2-oxime ; Timtec-bb Sbb003926
MF: C9H9NO2
MW: 163.17
EINECS: 204-329-2

Melting Point: 113-115 °C(lit.)
Boiling Point: 292.5 °C at 760 mmHg
Flash Point: 130.7 °F 
Density: 1.1 g/cm3 
Enthalpy of Vaporization: 56.18 kJ/mol
Vapour Pressure: 0.000835 mmHg at 25°C
Following is the molecular structure of  1-Phenyl-1,2-Propanedione-2-oxime (119-51-7) is:

1-Phenyl-1,2-Propanedione-2-oxime Toxicity Data With Reference

Organism

Test Type

Route

Reported Dose (Normalized Dose)

Effect

Source

mouse

LD50

intraperitoneal

250mg/kg (250mg/kg)

 

National Technical Information Service. Vol. AD691-490,

rabbit

LD50

skin

> 4gm/kg (4000mg/kg)

 

Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974.

rat

LD50

oral

4240mg/kg (4240mg/kg)

 

Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974.

1-Phenyl-1,2-Propanedione-2-oxime Safety Profile

Hazard Codes:
Xn: Harmful
Risk Statements:
R20/21/22: Harmful by inhalation and in contact with skin,also Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements
S24/25: Avoid contact with skin and eyes.
S37/39: Wear suitable gloves and eye / face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 2
RTECS: UH2975000
HS Code: 29280090

1-Phenyl-1,2-Propanedione-2-oxime Specification

Description about  1-Phenyl-1,2-Propanedione-2-oxime (119-51-7) is:
First aid measures:
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Get medical aid. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to physician: Treat symptomatically and supportively. 
Handling and Storage:
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Store in a tightly closed container.

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