ChemicalBook >> CAS DataBase List >>4-PHENYLSEMICARBAZIDE

4-PHENYLSEMICARBAZIDE

4-PHENYLSEMICARBAZIDE structure

CAS No.: 537-47-3

Chemical Name:: 4-PHENYLSEMICARBAZIDE

Synonyms: AKOS B001501;1-Amino-3-phenylurea;4-PHENYLSEMICARBAZIDE;LABOTEST-BB LT02089391;Anilinoformylhydrazine;Semicarbazide, 4-phenyl-;4-Phenylsemicarbazide>4-Phenylsemicarbazide,97%;4-PHENYLSEMICARBAZIDE 98+%;n-phenylhydrazinecarboxamide

CBNumber:: CB0134455

Molecular Formula:: C7H9N3O

Molecular Weight:: 151.17

MDL Number:: MFCD00007590

MOL File:: 537-47-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-08-28 09:47:25

Request For Quotation

4-PHENYLSEMICARBAZIDE Properties

Melting point	122-125 °C(lit.)
Boiling point	273.17°C (rough estimate)
Density	1.2100 (rough estimate)
refractive index	1.5860 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
form	powder to crystal
pka	10.52±0.20(Predicted)
color	White to Almost white
Water Solubility	699.5mg/L(15 ºC)
Sensitive	Air Sensitive
Merck	14,7312
BRN	511107
CAS DataBase Reference	537-47-3(CAS DataBase Reference)
FDA UNII	BPU96SX57A

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P233-P260-P261-P264-P271-P280-P302+P352-P304-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P340-P362-P403-P403+P233-P405-P501

Hazard Codes

Safety Statements

22-24/25

WGK Germany

8-10-23

HS Code

2928.00.5000

HazardClass

IRRITANT

NFPA 704

	0
2		0

4-PHENYLSEMICARBAZIDE price More Price(28)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	P0228	4-Phenylsemicarbazide >98.0%(T)	537-47-3	5g	$68	2026-04-30	Buy
TCI Chemical	P0228	4-Phenylsemicarbazide >98.0%(T)	537-47-3	25g	$269	2026-04-30	Buy
Activate Scientific	AS119325	4-Phenylsemicarbazide 98%	537-47-3	1g	$23	2026-06-04	Buy
Activate Scientific	AS119325	4-Phenylsemicarbazide 98%	537-47-3	5g	$40	2026-06-04	Buy
Activate Scientific	AS119325	4-Phenylsemicarbazide 98%	537-47-3	25g	$118	2026-06-04	Buy

Product number	Packaging	Price	Buy
P0228	5g	$68	Buy
P0228	25g	$269	Buy
AS119325	1g	$23	Buy
AS119325	5g	$40	Buy
AS119325	25g	$118	Buy

4-PHENYLSEMICARBAZIDE Chemical Properties,Uses,Production

Chemical Properties

white crystalline powder or flakes

Uses

4-PHENYLSEMICARBAZIDE is a reagent for determining ketones and aldehydes.

Definition

ChEBI: Chondroitin sulfate E (GalNAc4,6diS-GlcA), precursor 5a is a member of ureas.

Purification Methods

Crystallise it from water and dry it in a vacuum over KOH. [Beilstein 12 II 221, 12 III 822.]

4-PHENYLSEMICARBAZIDE synthesis

Synthesis of 4-PHENYLSEMICARBAZIDE from PHENYLURETHANE

4-PHENYLSEMICARBAZIDE Preparation Products And Raw materials

Raw materials

Phenylurea 4-PHENYLSEMICARBAZIDE HYDROCHLORIDE Activated carbon,decolor Phenylcarbamic acid phenyl ester phenylcarbamic acid

1-[(E)-Benzylideneamino]-3-phenyl-urea 2,3,6,7-tetraphenyl-hexahydro-[1,2,4]triazolo[1,2-a][1,2,4]triazole-1,5-dione Carbamic chloride, N-phenyl- N-PHENYLCARBAMIC ACID METHYL ESTER Aniline

PHENYLURETHANE Phenyl isocyanate

1of3

Preparation Products

Benzaldehyde trans-Cinnamaldehyde

4-PHENYLSEMICARBAZIDE Suppliers

Global( 106)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	94607	76
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Shanghai Jian Chao Chemical Technology Co., Ltd.	150-2103-5486 18017383231	983544897@qq.com	China	9336	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
TCI Europe	320-37350700	sales@tcieurope.eu	Europe	23654	75

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Syntechem Co.,Ltd	57
Shanghai Jian Chao Chemical Technology Co., Ltd.	55
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI Europe	75

View Lastest Price from 4-PHENYLSEMICARBAZIDE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2021-08-11	4-PHENYLSEMICARBAZIDE 537-47-3	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd
2021-07-02	4-Phenylsemicarbazide 537-47-3	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd
2019-11-08	4-PHENYLSEMICARBAZIDE 537-47-3		1g	99.5%min	20kg/week	Nanjing jinheyou Trading Co., Ltd.

4-PHENYLSEMICARBAZIDE
537-47-3
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

4-Phenylsemicarbazide
537-47-3
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

4-PHENYLSEMICARBAZIDE
537-47-3
$0.00
99.5%min
Nanjing jinheyou Trading Co., Ltd.

4-PHENYLSEMICARBAZIDE Spectrum

4-PHENYLSEMICARBAZIDE(537-47-3)MS 4-PHENYLSEMICARBAZIDE(537-47-3)¹HNMR 4-PHENYLSEMICARBAZIDE(537-47-3)¹³CNMR 4-PHENYLSEMICARBAZIDE(537-47-3)IR1 4-PHENYLSEMICARBAZIDE(537-47-3)IR2 4-PHENYLSEMICARBAZIDE(537-47-3)Raman

537-47-3(4-PHENYLSEMICARBAZIDE)Related Search:

4-(3-FLUOROPHENYL)SEMICARBAZIDE 1,4-DIPHENYLSEMICARBAZIDE 4-Phenylurazole 4,4-DIPHENYLSEMICARBAZIDE 4-PHENYLSEMICARBAZIDE HYDROCHLORIDE

4-PHENYLSEMICARBAZIDE 1-PHENYLSEMICARBAZIDE 1-BENZOYL-4-PHENYLSEMICARBAZIDE Formylhydrazine Semicarbazide

4-(2-CHLOROPHENYL)SEMICARBAZIDE HYDROCHLORIDE 1-FORMYL-4-PHENYLSEMICARBAZIDE ethyl 3-(N-phenylcarbamoyl)carbazate 4-[3-(TRIFLUOROMETHYL)PHENYL]SEMICARBAZIDE HYDROCHLORIDE 1-(2-(4-TOLUENESULPHONYL)ACETYL)-4-PHENYLSEMICARBAZIDE

1-(2-(2,4-DIMETHYLPHENOXY)ACETYL)-4-PHENYLSEMICARBAZIDE 1-(2-THIENYLCARBONYL)-4-PHENYLSEMICARBAZIDE 1-ACETYL-4-[3,5-BIS(METHOXYCARBONYL)PHENYL]-SEMICARBAZIDE

1of4

LABOTEST-BB LT02089391 4-PHENYLSEMICARBAZIDE AKOS B001501 4-Phenylsemicarbazide,97% 4-Phenylsemicarbazide 1g [537-47-3] 1-Amino-3-phenylurea Semicarbazide, 4-phenyl- Anilinoformylhydrazine Hydrazinecarboxamide, N-phenyl- n-phenylhydrazinecarboxamide 4-PHENYLSEMICARBAZIDE 98+% N-Phenyl-1-hydrazinecarboxamide 4-Phenylsemicarbazide> 537-47-3 C6H5NHCONHNH2 AMINE Analytical Reagents Building Blocks Analytical Chromatography Product Catalog Carbonyl Compounds Special Applications Ureas Life Science Organic Building Blocks Life ScienceOrganic Building Blocks Analytical Reagents Carbonyl Compounds Special Applications Ureas Organic Building Blocks API intermediates UV-VIS by Application Derivatization Reagents Derivatization Reagents HPLC HPLC Derivatization Reagents Building Blocks Carbonyl Compounds Chemical Synthesis Organic Building Blocks Aldehydes Analytical Reagents Analytical/Chromatography