Biuret, GR 97%

Name: Biuret, GR 97%
Brand: Vaqora Chemicals
SKU: VQ-009002

About Biuret, GR 97%

Biuret is an amide building block (AR grade) carrying the CAS registry number 108-19-0 at a purity of 97%. Its molecular formula is C2H5N3O2 and its molecular weight is 103.08 g/mol. Its systematic (IUPAC) name is carbamoylurea. It is also known as Allophanic acid amide or Allophanamide.

In its supplied form it is a white to off-white powder or crystals or crystalline powder. Literature values give a melting point of 184-190 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span protein and peptide research and organic synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Biuret in 25 g, 100 g, 1 kg and 5 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Protein & peptide research
Organic synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Biuret, GR 97%
Catalogue No.	VQ-009002
CAS Number	108-19-0
IUPAC name	carbamoylurea
Molecular formula	C₂H₅N₃O₂
Molecular weight	103.08 g/mol
Exact mass	103.0382
Grade	AR
Purity / assay	97%
HSN code	29241900
InChIKey	OHJMTUPIZMNBFR-UHFFFAOYSA-N
SMILES	C(=O)(N)NC(=O)N
PubChem CID	7913

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals or crystalline powder
Melting point	184-190 °C
LogP (XLogP3)	-0.7
H-bond donors / acceptors	3 / 2
TPSA	98.2 Å²
Synonyms	Allophanic acid amide, Allophanamide, Ureidoformamide, Dicarbamylamine, Allophanimidic acid, Urea, (aminocarbonyl)-, Dicarbonimidic diamide, 1-(carbamoylamino)formamide, 2-imidodicarbonic diamide, (aminocarbonyl)urea, Isobiuret (VAN), Biuret (contains ca. 10% Triuret)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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

Other grades of CAS 108-19-0

Biuret

CAS: 108-19-0
Formula: C₂H₅N₃O₂
MW: 103.08 g/mol

VQ-046887

Reagent

Biuret reagent

CAS: 108-19-0
Formula: C₂H₅N₃O₂
MW: 103.08 g/mol

VQ-003513

Frequently asked questions

What is the CAS number of Biuret, GR 97%?

The CAS Registry Number of Biuret, GR 97% is 108-19-0. It is also known as Allophanic acid amide, Allophanamide, Ureidoformamide.

What is the molecular formula and molecular weight of Biuret, GR 97%?

Biuret, GR 97% has the molecular formula C2H5N3O2 and a molecular weight of 103.08 g/mol. Its IUPAC name is carbamoylurea.

Which grade and pack sizes of Biuret, GR 97% can I order?

We supply Biuret, GR 97% in AR (97%) grade, in 25 g, 100 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Biuret, GR 97%?

Yes. Every lot of Biuret, GR 97% 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 Biuret, GR 97% be shipped internationally?

Yes. Biuret, GR 97% 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.