1-Hydroxy benzotriazole, anhydrous, 98%

Name: 1-Hydroxy benzotriazole, anhydrous, 98%
Brand: Vaqora Chemicals
SKU: VQ-002349

About 1-Hydroxy benzotriazole, anhydrous, 98%

1-Hydroxy benzotriazole (CAS 2592-95-2) is a peptide synthesis reagent offered by Vaqora Chemicals (Synthesis grade) at a purity of 98%. With the molecular formula C6H5N3O, it has a molar mass of 135.12 g/mol. Common synonyms include HOBT and 1-Hydroxybenzotriazole anhydrous.

In its supplied form it is a white to off-white powder. Key physical data: a melting point of 158 -160 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Typical applications include peptide coupling, solid-phase peptide synthesis and bioconjugation. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 25 g, 100 g, 250 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Peptide coupling
Solid-phase peptide synthesis
Bioconjugation

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Hydroxy benzotriazole, anhydrous, 98%
Catalogue No.	VQ-002349
CAS Number	2592-95-2
IUPAC name	1-hydroxybenzotriazole
Molecular formula	C₆H₅N₃O
Molecular weight	135.12 g/mol
Exact mass	135.0433
Grade	Synthesis
Purity / assay	98%
HSN code	29339900
InChIKey	ASOKPJOREAFHNY-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)N=NN2O
PubChem CID	75771

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	158 -160 °C
LogP (XLogP3)	1.2
H-bond donors / acceptors	1 / 3
TPSA	50.9 Å²
Synonyms	HOBT, 1-Hydroxybenzotriazole anhydrous, Benzazimidol, 1H-Benzotriazole, 1-hydroxy-, 1H-Benzo[d][1,2,3]triazol-1-ol, 1H-1,2,3-Benzotriazol-1-ol, 1H-Benzotriazol-1-ol, N-Hydroxybenzotriazole, 1-Hydroxy-1H-benzotriazole, 1-Benzotriazolol, benzotriazol-1-ol, 1-hydroxybenztriazole

Safety & hazard information (GHS)

Explosive

Signal word: Danger

Hazard statements

H203(deleted) explosive, fire, blast or projection hazard

Precautionary statements: P210, P230, P240, P250, P280, P370 + P380, P372, P373, P401, 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 2592-95-2

Reference Standard

1-Hydroxybenzotriazole

CAS: 2592-95-2
Formula: C₆H₅N₃O
MW: 135.12 g/mol

VQ-012226

Frequently asked questions

What is the CAS number of 1-Hydroxy benzotriazole, anhydrous, 98%?

The CAS Registry Number of 1-Hydroxy benzotriazole, anhydrous, 98% is 2592-95-2. It is also known as HOBT, 1-Hydroxybenzotriazole anhydrous, Benzazimidol.

What is the molecular formula and molecular weight of 1-Hydroxy benzotriazole, anhydrous, 98%?

1-Hydroxy benzotriazole, anhydrous, 98% has the molecular formula C6H5N3O and a molecular weight of 135.12 g/mol. Its IUPAC name is 1-hydroxybenzotriazole.

Which grade and pack sizes of 1-Hydroxy benzotriazole, anhydrous, 98% can I order?

We supply 1-Hydroxy benzotriazole, anhydrous, 98% in Synthesis (98%) grade, in 25 g, 100 g, 250 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-Hydroxy benzotriazole, anhydrous, 98%?

Yes. Every lot of 1-Hydroxy benzotriazole, anhydrous, 98% 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 1-Hydroxy benzotriazole, anhydrous, 98% be shipped internationally?

Yes. 1-Hydroxy benzotriazole, anhydrous, 98% 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.