1-Hydroxybenzotriazole Cas:2592-95-2

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Product Description:

Product Name: 1-Hydroxybenzotriazole CAS NO: 2592-95-2

 

Synonyms:             

N-hydroxy-benzotriazole;

1H-Benzotriazole, 1-hydroxy-;

1,2,3-Benzotriazol-1-ol;

 

Chemical & Physical Properties:

Appearance: White to light yellow powder

Assay :≥99.0%

Density: 1.51 g/cm3

Boiling Point: 344.6℃ at 760 mmHg

Melting Point: 156-159℃

Flash Point: 162.2℃

Refractive Index: n20/D 1.488

Stability: Stable, but possible risk of explosion if heated under confinement. Flammable.

Storage Condition: Store at RT.

Vapor Pressure: 3.28E-05mmHg at 25℃

 

Safety Information:

RTECS: DM1288000

Hazard Class: 4.1

Safety Statements: S16-S33-S7/9

HS Code: 2933990090

Packing Group: III

RIDADR: UN 1325

Risk Statements: R11; R5

Hazard Code: F

 

Hydroxybenzotriazole (abbreviated HOBt) is an organic compound that is a derivative of benzotriazole. It is a white crystalline powder, which as a commercial product contains some water (~11.7% wt as the HOBt monohydrate crystal). Anhydrous HOBt is explosive.

It is mainly used to suppress the racemization of single-enantiomer chiral molecules and to improve the efficiency of peptide synthesis.

 

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