n-Phenylsemicarbazide, 99%+

About n-Phenylsemicarbazide, 99%+

n-Phenylsemicarbazide is a nitrogen-functional building block in AR grade carrying the CAS registry number 103-03-7 at a purity of ≥99%. Its molecular formula is C7H9N3O and its molecular weight is 151.17 g/mol. Its systematic (IUPAC) name is anilinourea. Alternative names: 1-Phenylsemicarbazide and Phenicarbazide.

In its supplied form it is a white to pale yellow powder. Literature values give a melting point of 171-174 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis, dye and pigment intermediates and heterocycle construction. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer n-Phenylsemicarbazide in 1 g, 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Dye & pigment intermediates
Heterocycle construction

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	n-Phenylsemicarbazide, 99%+
Catalogue No.	VQ-009894
CAS Number	103-03-7
IUPAC name	anilinourea
Molecular formula	C₇H₉N₃O
Molecular weight	151.17 g/mol
Exact mass	151.0746
Grade	AR
Purity / assay	≥99%
HSN code	29280090
InChIKey	AVKHCKXGKPAGEI-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)NNC(=O)N
PubChem CID	61002

Physical properties
Physical form	Powder
Appearance	White to pale yellow powder
Melting point	171-174 °C
LogP (XLogP3)	0.1
H-bond donors / acceptors	3 / 2
TPSA	67.2 Å²
Synonyms	1-Phenylsemicarbazide, Phenicarbazide, 2-Phenylhydrazinecarboxamide, Kryogenin, Phenygenine, Phenylsemicarbazide, Febrimin, 1-Carbamyl-2-phenylhydrazine, Cryogenine (pharmaceutical), 1-Carbamoyl-2-phenylhydrazine, 2-Phenyldiazenecarboxamide, Semicarbazide, 1-phenyl-

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of n-Phenylsemicarbazide, 99%+?

The CAS Registry Number of n-Phenylsemicarbazide, 99%+ is 103-03-7. It is also known as 1-Phenylsemicarbazide, Phenicarbazide, 2-Phenylhydrazinecarboxamide.

What is the molecular formula and molecular weight of n-Phenylsemicarbazide, 99%+?

n-Phenylsemicarbazide, 99%+ has the molecular formula C7H9N3O and a molecular weight of 151.17 g/mol. Its IUPAC name is anilinourea.

Which grade and pack sizes of n-Phenylsemicarbazide, 99%+ can I order?

We supply n-Phenylsemicarbazide, 99%+ in AR (≥99%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with n-Phenylsemicarbazide, 99%+?

Yes. Every lot of n-Phenylsemicarbazide, 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can n-Phenylsemicarbazide, 99%+ be shipped internationally?

Yes. n-Phenylsemicarbazide, 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.