Picrolonic acid

Names

[ CAS No. ]:
550-74-3

[ Name ]:
Picrolonic acid

[Synonym ]:
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-
5-Methyl-4-nitro-2-(4-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one
2,4-Dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-3H-pyrazol-3-one
EINECS 208-986-6
Picrolonic acid
MFCD00003133

Biological Activity

[Description]:

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

[Related Catalog]:

Research Areas >> Others

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Boiling Point ]:
548.8±50.0 °C at 760 mmHg

[ Melting Point ]:
119 °C

[ Molecular Formula ]:
C₁₀H₈N₄O₅

[ Molecular Weight ]:
264.194

[ Flash Point ]:
285.7±30.1 °C

[ Exact Mass ]:
264.049469

[ PSA ]:
124.31000

[ LogP ]:
0.49

[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C

[ Index of Refraction ]:
1.714

[ Storage condition ]:
Refrigerator (+4°C)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ9510000

CHEMICAL NAME :: 2-Pyrazolin-5-one, 3-methyl-4-nitro-1-(p-nitrophenyl)-

CAS REGISTRY NUMBER :: 550-74-3

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C10-H8-N4-O5

MOLECULAR WEIGHT :: 264.22

WISWESSER LINE NOTATION :: T5NNVJ BR DNW& DNW E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Mold - Aspergillus nidulans

DOSE/DURATION :: 250 mg/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 97,293,1982

Safety Information

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R68

[ Safety Phrases ]:
S37/39-S26

[ RTECS ]:
UQ9510000

[ HS Code ]:
2933199090

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.