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Benzohydroxamic acid, 99% - CAS 495-18-1 - Formula C7H7NO2


Certificate of Analysis

Benzohydroxamic acid, 99%

CAS: 495-18-1 MDL: MFCD00002109  EINECS: 207-797-6
Not regulated for shipping
Alternate Name: Benzhydroxamic acid


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Chemical Properties

Formula: C7H7NO2  Melting point: ca 125° dec.
Formula weight: 137.14  

Literature References

Reaction with alkynes, catalyzed by NaH in DMSO, gives 2-phenyloxazoles: Can. J. Chem., 51, 1368 (1973).

Oxidation with tetraalkylammonium periodates generates the transient benzoylnitroso compound, which can react in situ with dienes to give good yields of cycloaddition products: Tetrahedron Lett., 4763 (1978); J. Chem. Soc., Perkin 1, 883, 887 (1985); J. Org. Chem., 50, 1911 (1985).

Other References

Beilstein: 1907585
Harmonized Tariff Code:   2924.29

GHS Hazard and Precautionary Statements

Hazard Statements : H341-H315-H319-H335

Suspected of causing genetic defects. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P281-P305+P351+P338-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Use personal protective equipment as required. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or IrritantHealth Hazard

Risk & Safety

Risk Phrases: 36/37/38-68
Irritating to eyes, respiratory system and skin. Possible risk of irreversible effects
Safety Phrases: 26-36/37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.
RTECS: DF9650000