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550-74-3

550-74-3 structure
550-74-3 structure
  • Name: Picrolonic acid
  • Chemical Name: Picrolonic Acid
  • CAS Number: 550-74-3
  • Molecular Formula: C10H8N4O5
  • Molecular Weight: 264.194
  • Catalog: Chemical reagent Organic reagent fatty acid
  • Create Date: 2018-05-09 08:00:00
  • Modify Date: 2024-01-02 15:07:40
  • 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.
Name Picrolonic Acid
Synonyms 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
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
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)

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
Hazard Codes Xn: Harmful;
Risk Phrases R68
Safety Phrases S37/39-S26
RTECS UQ9510000
HS Code 2933199090
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%

Chemsrc provides CAS#:550-74-3 MSDS, density, melting point, boiling point, structure, formula, molecular weight, synthetic route, etc.
title: CAS No. 550-74-3 | Chemsrc address: https://www.chemsrc.com/en/baike/80189.html

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