1-Hydroxy benzotriazole, hydrate, 98%

Name: 1-Hydroxy benzotriazole, hydrate, 98%
Brand: Vaqora Chemicals
SKU: VQ-002350

About 1-Hydroxy benzotriazole, hydrate, 98%

Listed under CAS 123333-53-9, 1-Hydroxy benzotriazole, hydrate is a peptide synthesis reagent available from Vaqora Chemicals (Synthesis grade) at a purity of 98%. Its molecular formula is C6H7N3O2 and its molecular weight is 153.14 g/mol. Common synonyms include HOBt Hydrate and N-Hydroxybenzotriazole.

In its supplied form it is a white to off-white powder. Reported physical data include a melting point of 155-158 °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.

Key uses span peptide coupling, solid-phase peptide synthesis, bioconjugation and organic synthesis. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies 1-Hydroxy benzotriazole, hydrate in 25 g, 100 g, 500 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Peptide coupling
Solid-phase peptide synthesis
Bioconjugation
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Hydroxy benzotriazole, hydrate, 98%
Catalogue No.	VQ-002350
CAS Number	123333-53-9
IUPAC name	1-hydroxybenzotriazole;hydrate
Molecular formula	C₆H₇N₃O₂
Molecular weight	153.14 g/mol
Exact mass	153.0538
Grade	Synthesis
Purity / assay	98%
HSN code	29332990
InChIKey	PJUPKRYGDFTMTM-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)N=NN2O.O
PubChem CID	2796029

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	155-158 °C
H-bond donors / acceptors	2 / 4
TPSA	51.9 Å²
Synonyms	HOBt Hydrate, N-Hydroxybenzotriazole, HOBt, Hydroxybenzotriazole, 1-Hydroxybenzotriazole hydrate, 1-hydroxybenzotriazole monohydrate, 1H-Benzotriazole, 1-hydroxy-, monohydrate, 1H-Benzotriazole, 1-hydroxy-, hydrate (1:1), 1-hydroxy-1H-benzotriazole monohydrate, 1H-Benzotriazole, 1-hydroxy-, hydrate, 1h-1,2,3-benzotriazol-1-ol hydrate, 1h-benzo[d][1,2,3]triazol-1-ol hydrate

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 123333-53-9

Reference Standard

1-Hydroxybenzotriazole Hydrate

CAS: 123333-53-9
Formula: C₆H₇N₃O₂
MW: 153.14 g/mol

VQ-012227

Frequently asked questions

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

The CAS Registry Number of 1-Hydroxy benzotriazole, hydrate, 98% is 123333-53-9. It is also known as HOBt Hydrate, N-Hydroxybenzotriazole, HOBt.

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

1-Hydroxy benzotriazole, hydrate, 98% has the molecular formula C6H7N3O2 and a molecular weight of 153.14 g/mol.

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

We supply 1-Hydroxy benzotriazole, hydrate, 98% in Synthesis (98%) grade, in 25 g, 100 g, 500 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, hydrate, 98%?

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

Yes. 1-Hydroxy benzotriazole, hydrate, 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.