Basic information
- Name:
Benzeneacetaldehyde, a-oxo-, aldoxime
- Superlist Name:
- 2-Isonitrosoacetophenone
- CAS No.:
532-54-7
- Molecular Structure:

- Formula:
- C8H7NO2
- Molecular Weight:
- 149.16
- Synonyms:
- Glyoxal,phenyl-, 2-oxime (8CI);Glyoxal, phenyl-, aldoxime (6CI,7CI);2-(Hydroxyimino)acetophenone;Benzoylformaldoxime;Isonitrosoacetophenone;NSC 1330;NSC 25388;Phenylglyoxal 2-oxime;Phenylglyoxal aldoxime;RA 54;a-(Hydroximino)acetophenone;
- EINECS:
- 208-539-5
- Density:
- 1.13 g/cm3
- Melting Point:
- 123-125 °C
- Boiling Point:
- 305.728 °C at 760 mmHg
- Flash Point:
- 138.699 °C
- Solubility:
- soluble in cold water
- Appearance:
- beige to yellowish crystalline powder
- Hazard Symbols:
Xn,
Xi- Risk Codes:
- 20/21/22-36/37/38
- Safety Description:
- 36/37-24/25 Details
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Chemistry
The basic informtion about 2-Isonitrosoacetophenone (532-54-7) is:
IUPAC Name: 2-hydroxyimino-1-phenylethanone ; (2E)-2-hydroxyimino-1-phenylethanone
Synonyms: 1-phenyl-glyoxa2-oxime ; 2-hydroxyimino-acetophenon ; Alpha-oxo-benzeneacetaldehydaldoxime ; Phenylglyoxalaldoxime ; Omega-(hydroxyimino)acetophenone ; Omega-isonitrosoacetophenone ; Phenylglyoxaldoxime ; Phenylglyoxal 2-oxime
MF: C8H7NO2
MW: 149.15
EINECS: 208-539-5
Melting Point: 123-125 °C
Density: 1.13 g/cm3
Flash Point: 138.7°F
Boiling Point: 305.7 °C at 760 mmHg
Enthalpy of Vaporization: 57.67 kJ/mol
Following is the molecular structure of 2-Isonitrosoacetophenone (532-54-7) is:

Uses
2-Isonitrosoacetophenone (532-54-7) can be used as a reagent for the detection of ferrous ions with which it gives a blue color sol in chloroform.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
| mouse | LD50 | intraperitoneal | 75mg/kg (75mg/kg) | BEHAVIORAL: COMA | Journal of Pharmacology and Experimental Therapeutics. Vol. 119, Pg. 522, 1957. |
| rat | LDLo | oral | 100mg/kg (100mg/kg) | | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 27, 1953. |
Safety Profile
Hazard Codes:
Xn: Harmful![]()
Xi: Irritant![]()
Risk Statements:
R20/21/22: Harmful by inhalation and in contact with skin,also harmful if swallowed.
R36/37/38: Irritating to eyes and respiratory system,also to skin.
Safety Statements:
S36/37: Wear suitable protective clothing and gloves.
S24/25: Avoid contact with skin and eyes.
RIDADR: 2811
WGK Germany: 3
RTECS: MD3325000
Specification
General description about 2-Isonitrosoacetophenone (532-54-7),it is a beige to yellow powder.
First Aid Measures :
Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Do not use mouth-to-mouth respiration.
Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Eyes:Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

