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245909

Sigma-Aldrich

1-Phenylsemicarbazide

99%

Synonym(s):

(Phenylamino)urea, 1-Carbamoyl-2-phenylhydrazine, 2-Phenylhydrazinecarboxamide

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About This Item

Linear Formula:
C6H5NHNHCONH2
CAS Number:
103-03-7
Molecular Weight:
151.17
Beilstein/REAXYS Number:
743311
EC Number:
203-072-3
MDL number:
MFCD00007942
UNSPSC Code:
12352100
PubChem Substance ID:
24854767
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

200

assay

99%

form

powder

mp

171-174 °C (lit.)

solubility

acetone: very soluble(lit.)
alcohol: very soluble(lit.)
benzene: slightly soluble(lit.)
cold water: slightly soluble(lit.)
diethyl ether: slightly soluble(lit.)
hot water: very soluble(lit.)
methanol: very soluble(lit.)

functional group

amine
hydrazide

SMILES string

NC(=O)NNc1ccccc1

InChI

1S/C7H9N3O/c8-7(11)10-9-6-4-2-1-3-5-6/h1-5,9H,(H3,8,10,11)

InChI key

AVKHCKXGKPAGEI-UHFFFAOYSA-N

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1 of 4

This Item
194123246425242594
1-Phenylsemicarbazide 99%

245909

1-Phenylsemicarbazide

Benzimidazole 98%

194123

Benzimidazole

trans,trans-Dibenzylideneacetone 98%

246425

trans,trans-Dibenzylideneacetone

sec-Butyl acetate 99%

242594

sec-Butyl acetate

assay

99%

assay

98%

assay

98%

assay

99%

solubility

acetone: very soluble(lit.), benzene: slightly soluble(lit.), diethyl ether: slightly soluble(lit.), methanol: very soluble(lit.), alcohol: very soluble(lit.), hot water: very soluble(lit.), cold water: slightly soluble(lit.)

solubility

xylene: soluble 1g in 2g (boiling)(lit.), alcohol: freely soluble(lit.), benzene: insoluble(lit.), cold water: very slightly soluble(lit.), diethyl ether: very slightly soluble(lit.), petroleum ether: insoluble(lit.), water: soluble (hot)(lit.)

solubility

acetone: soluble(lit.), alcohol: slightly soluble(lit.), chloroform: soluble(lit.), diethyl ether: slightly soluble(lit.), water: insoluble(lit.)

solubility

alcohol: soluble(lit.), diethyl ether: soluble(lit.), water: slightly soluble(lit.)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

mp

171-174 °C (lit.)

mp

169-171 °C (lit.)

mp

104-107 °C (lit.)

mp

−99 °C (lit.)

form

powder

form

powder

form

solid

form

liquid

functional group

amine

functional group

-

functional group

ketone, phenyl

functional group

ester

Application

1-Phenylsemicarbazide was used in the synthesis of a series of alkyl(aryl/heteroaryl) substituted 3-trifluoromethyl-1H-1-phenylpyrazoles and alkyl 3-carboxylate analogs by the cyclocondensation reactions with 4-alkoxy-1,1,1-trihaloalk-3-en-2-ones[1].

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCN2800
    MKCM4478
    MKCL4022
    MKCK4749
    MKCG4373

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    New one-pot, efficient, and regioselective method for the synthesis of 3-Trifluoromethyl-1< i> H</i>-1-phenylpyrazoles and alkyl 3-carboxylate analogs.
    Bonacorso HG, et al.
    Tetrahedron Letters, 53(41), 5488-5491 (2012)

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