ChemicalBook > CAS DataBase List > PICROLONIC ACID

PICROLONIC ACID

Product Name: PICROLONIC ACID
CAS No.: 550-74-3
Chemical Name: PICROLONIC ACID
Synonyms: NSC 5049;PICROLIC ACID;PicrolonicAci;PICROLONIC ACID;Picrolonic acid, AR;Picrolonic acid,93%;Picrolonic acid, 98+%;LABOTEST-BB LT00233107;4-nitro-3-methyl-p-nitrophenyl-5-pyrazolone;3-methyl-4-nitro-1-p-nitrophenyl-5-pyrazolone
CBNumber: CB1405992
Molecular Formula: C10H8N4O5
Formula Weight: 264.19
MOL File: 550-74-3.mol

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PICROLONIC ACID Property

Melting point:: 119 °C
Boiling point:: 548.8±50.0 °C(Predicted)
Density: 1.65±0.1 g/cm3(Predicted)
storage temp.: Sealed in dry,2-8°C
solubility: 0.27 % in water at room temperature, readily soluble in alcohol.
form: Yellow crystalline material. Melting point 116-120°C (with decomposition).
pka: 2.44±0.40(Predicted)
Water Solubility: Slightly soluble in water. Soluble in alcohol.
Merck: 14,7412
BRN: 623723
CAS DataBase Reference: 550-74-3(CAS DataBase Reference)
EPA Substance Registry System: Picrolonic acid (550-74-3)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 68-36/37/38-22-36/38-7
Safety Statements: 37/39-26-36
RIDADR: 3224
RTECS: UQ9510000
TSCA: Yes
HS Code: 29339900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H341Suspected of causing genetic defects

Precautionary statements

P201Obtain special instructions before use.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

American Custom Chemicals Corporation

Product number: PRB0000029
Product name: PICROLONIC ACID
Purity: 95.00%
Packaging: 5MG
Price: $501.95
Updated: 2021/12/16

Chemenu

Product number: CM188661
Product name: 3-Methyl-4-nitro-1-(4-nitrophenyl)-1H-pyrazol-5(4H)-one
Purity: 95%
Packaging: 100g
Price: $487
Updated: 2021/12/16

AHH

Product number: MT-21465
Product name: Picrolonicacid
Purity: 98%
Packaging: 100g
Price: $698
Updated: 2021/12/16

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PICROLONIC ACID Chemical Properties,Usage,Production

Chemical Properties

beige to ochre-yellow powder

Uses

With calcium(II), lead(II) and thorium(IV) the reagent gives complexes which are practically insoluble in water. The high molecular weight crystalline complexes can be used to advantage for the accurate determination of minute amounts of various metals.
The reagent has also proved suitable for the spectrophotometric determination of calcium. Calcium picrolonate is transformed by bromine water in alkaline medium to a red, water-soluble complex. The absorption of this compound is constant for about two days and it also follows the Beer-Lambert Law.

Uses

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.

Uses

As reagent for alkaloids, tryptophan, phenylalanine, and for the detection and estimation of calcium.

Purification Methods

Crystallise picrolic acid from water or EtOH (solubility is 0.123% at 15o and 1.203% at 100o in H2O; and 1.107% at 0o and 11.68% at 81o in EtOH). It forms Ca, Cu Hg, Mg, Na, Sr, Pb and many other metal complexes [Maquestian et al Bull Soc Chim Belg 82 233 1973, Isaki et al. Chem Ber 74 1420 1941]. [Beilstein 24 H 51, 24 I 218, 24 II 25, 22 III/IV 105.]

PICROLONIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from PICROLONIC ACID manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: PICROLONIC ACID 550-74-3
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-28

Hebei Yanxi Chemical Co., Ltd.

Product: PICROLONIC ACID 550-74-3
Price: US $70.00-10.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-09-08

Career Henan Chemical Co

Product: PICROLONIC ACID 550-74-3
Price: US $1.00/kg
Min. Order: 1kg
Purity: 95%-99%
Supply Ability: as request
Release date: 2018-12-24

550-74-3, PICROLONIC ACIDRelated Search:

2-PYRAZOLINE Picrolonic acid potassium salt Picrolonic acid sodium salt calcium picrolonate AKOS 239-08 AKOS 245-51 PICROLONIC ACID AKOS 244-62 AKOS 244-35

PICROLONIC ACID

2,4-dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-3h-pyrazol-3-on

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

3H-Pyrazol-3-one, 1,4-dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-

3-methyl-4-nitro-1-(p-nitrophenyl)-2-pyrazolin-5-on

3-Methyl-4-nitro-1-(p-nitrophenyl)-2-pyrazolin-5-one

5-Methyl-4-nitro-2-(4-nitrophenyl)-2,4-dihydro-3H-pyrazol-3-one

PICROLIC ACID

Picrolonic acid, 98+%

3-methyl-4-nitro-1-(4-nitrophenyl)-2-pyrazolin-5-one

3-methyl-4-nitro-1-p-nitrophenyl-5-pyrazolone

Picrolonic acid, AR

2-(4-Nitrophenyl)-4-nitro-5-methyl-2,4-dihydro-3H-pyrazole-3-one

2,4-Dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-3H-pyrazol-3-one

5-Methyl-4-nitro-2-(p-nitrophenyl)-2,4-dihydro-3H-pyrazole-3-one

4-nitro-3-methyl-p-nitrophenyl-5-pyrazolone

Picrolonic acid,93%

3-Methyl-4-nitro-1-(4-nitrophenyl)-1H-pyrazol-5(4H)-one

NSC 5049

4-NITRO-3-METHYL-1-(P-NITROPHENYL)PYRAZOL-5-ONE

LABOTEST-BB LT00233107

3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-nitro-2-(4-nitrophenyl)-

PicrolonicAci

550-74-3