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1-Phenyl-3-carbethoxy-5-pyrazolone

HCID 66636
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
89-33-8
Standard SMILES
CCOC(=O)C1=NN(c2ccccc2)C(=O)C1
InChIKey
WBFXQKNQVZMOSQ-UHFFFAOYSA-N
Molecular formula
C12H12N2O3
Average molar mass
232.23 g/mol
Monoisotopic mass
232.08479225

Names & identifiers

Preferred name
1-Phenyl-3-carbethoxy-5-pyrazolone
IUPAC
ethyl 5-oxo-1-phenyl-4H-pyrazole-3-carboxylate
English name
Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate
Molecular formula
C12H12N2O3
Molecular weight
232.24

Names & synonyms

89-33-8Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate1-phenyl-3-carbethoxy-5-pyrazoloneEthyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylateethyl 5-oxo-1-phenyl-4H-pyrazole-3-carboxylate1-Phenyl-3-carbethoxypyrazoloneDTXSID50447381H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl esterUNII-87C344GV0DEINECS 201-899-4NSC 49150DTXCID3024738
Show more names
CEPCARBETHOXYPYRAZOLONEProtected U-U 5’-Di-O-acetyl-U-5’PCEP (CarbethoxyPyrazolone)PHENYL CARBETHOXY PYRAZOLONE1-PHYNYL-3-CARBETHOXY-5-PYRAZOLONE1-Phenyl-3-carboethoxy-5-pyrazolone1-PHENYL-3-ETHOXYCARBONYL-5-PYRAZALONE
EC 201-899-487C344GV0DNSC-49150NSC-57876RefChem:76963DTXCID503496931-PHENYL-3-ETHOXYCARBONYLE-5-PYRAZOLONE1H-PYRAZOLE-3-CARBOXYLIC ACID, 5-HYDROXY-1-PHENYL-, ETHYL ESTER

Database identifiers

CAS
89-33-8
PubChem CID
66636
DTXSID
DTXSID5044738
ChEMBL
CHEMBL1525042
EC Number
201-899-4
Nikkaji
J68.931I

Properties

Computed structural properties

XLogP
1.6
Topological polar surface area
59 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
4
Rotatable bonds
4
Heavy atoms
17
Formal charge
0
Complexity
346

Experimental & physicochemical properties

Solubility32.1 [ug/mL] (The mean of the results at pH 7.4)
Collision Cross Section164.9 Ų [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID5044738]

Physicochemical properties

Melting point
181.5 · 181.5-182.5 °C
Boiling point
335.3 · 335.3±25.0 °C(Predicted)
Density
1.25 · 1.25±0.1 g/cm3(Predicted)
vapor pressure
0.001 Pa · 0.001Pa at 20℃
storage temp.
Sealed in dry,Room Temperature
form
Powder
pka
-0.36 · -0.36±0.50(Predicted)
InChI
InChI=1S/C12H12N2O3/c1-2-17-12(16)10-8-11(15)14(13-10)9-6-4-3-5-7-9/h3-7H,2,8H2,1H3
InChIKey
WBFXQKNQVZMOSQ-UHFFFAOYSA-N
SMILES
N1(C2=CC=CC=C2)C(=O)CC(C(OCC)=O)=N1

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 4.5% (2 of 44) of reports.

Warning

H302 (93.2%): Harmful if swallowed [Warning Acute toxicity, oral]

P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 44 reports by companies from 4 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory InformationREACH registered substance: Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate (EC: 201-899-4)
Hazard Classes and CategoriesAcute Tox. 4 (93.2%)

Safety data

tsca
TSCA listed
Signal word
Warning
Symbol(GHS)
GHS07
Hazard statements
H302
REACH Registrations
Active
Precautionary statements
P264-P270-P301+P312-P330-P501

Chemistry & industry

Uses & manufacturing

General Manufacturing Information1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester: ACTIVE

Applications

UsesEthyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate is used for the coupling components used in the synthesis of CI Pigment Red varieties 38, 39, and 42.

Upstream & downstream products

Downstream products

C.I.Disperse Yellow 102

Suppliers

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Related reactions

1 records
New reaction record
HRID 1289849 reaction equation
HRID 1289849As reactantuspto-grants-1998_05

Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
LogP
2 at · 2 at 23℃ and pH8.5
CAS DataBase Reference
89 · 89-33-8(CAS DataBase Reference)
FDA UNII
87 C344GV0D · 87C344GV0D
NIST Chemistry Reference
1 H-pyrazole-3-carboxylic · 1H-pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester(89-33-8)
EPA Substance Registry System
1 H-Pyrazole-3-carboxylic · 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester (89-33-8)
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302
Precautionary statements
264 · P264-P270-P301+P312-P330-P501
TSCA
TSCA listed
REACH Registrations
Active