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Picrolonic acid
[CAS# 550-74-3]

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Identification
Classification Chemical reagent >> Organic reagent >> Fatty acid
Name Picrolonic acid
Synonyms NSC 5049; 2,4-Dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-3H-pyrazol-3-one
Molecular Structure CAS # 550-74-3, Picrolonic acid, NSC 5049, 2,4-Dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-3H-pyrazol-3-one
Molecular Formula C10H8N4O5
Molecular Weight 264.19
CAS Registry Number 550-74-3
EC Number 208-986-6
Properties
Solubility Very slightly soluble (0.34 g/L) (25 ºC), Calc.*
Density 1.65±0.1 g/cm3 (20 ºC 760 Torr), Calc.*
Melting point 124 ºC (decomp)**
* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)
** Yavors'kii, N. P.; Farmatsevtichnii Zhurnal (Kiev) 1964, V19(2), P65-9.
Safety Data
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Eye irritationEye Irrit.2H319
Skin irritationSkin Irrit.2H315
Specific target organ toxicity - single exposureSTOT SE3H335
Self-reactive substances or mixturesSelf-react.CH242
SDS Available
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