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A10836 Picrolonic acid, 98+%

CAS Number
550-74-3
Synonyms
3-Methyl-4-nitro-1-(4-nitrophenyl)-2-pyrazolin-5-one
Picrolic acid

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Bulk/Specialty

Picrolonic acid, 98+%

MDL
MFCD00003133
EINECS
208-986-6

Chemical Properties

Formula
C10H8N4O5
Formula Weight
264.21
Melting point
ca 120° dec.
Storage & Sensitivity
Keep Cold.
Solubility
Slightly soluble in water. Soluble in alcohol.

Applications

Reagent for the isolation of amines as crystalline π-complexes.Picrolonic acid is an analytical reagent used for the estimation of calcium, magnesium, lead, strontium and thorium. It is also used for the analysis of alkaloids, tryptophan and phenylalanine.

Notes

Incompatible with strong oxidizing agents and strong bases.

Literature References

Reagent for the isolation of amines as crystalline π-complexes.

Reagent for the estimation of Ca, Mg, Pb, Sr and Th.

Rehman, H. U.; Ali, A.; Waqar, F. Synergistic extraction of Eu(III) with mixture of picrolonic acid and neutral organophosphorous extractants. J. Radioanal. Nucl. Chem. 2015, 303 (1), 139-145.

Turanov, A. N.; Karandashev, V. K.; Sharova, E. V.; Artyushin, O. I.; Odinets, I. L. Extraction of rare earth elements (III) from HNO3 and HCl solutions with mixtures of carbamoylmethylphosphine oxides and picrolonic acid. Radiochemistry 2013, 55 (2), 203-207.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335-H341

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

Precautionary Statements: P201-P202-P261-P264b-P271-P280i-P281-P302+P352-P304+P340-P305+P351+P338-P308+P313-P332+P313-P337+P313-P362-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear eye/face protection. Use personal protective equipment as required. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. If skin irritation occurs: If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,7412
Beilstein
623723
Harmonized Tariff Code
2933.19
TSCA
Yes
RTECS
UQ9510000

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