Home > Compound List > Product Information
1-Hydroxybenzotriazole hydrate_Molecular_structure_CAS_123333-53-9)
Click picture or here to close

1-Hydroxybenzotriazole hydrate

Catalog No. 711489 Name Sigma Aldrich
CAS Number 123333-53-9 Website http://www.sigmaaldrich.com
M. F. C6H7N3O2 Telephone 1-800-521-8956
M. W. 153.13868 Fax
Purity 97% Email
Storage Chembase ID: 68942

SYNONYMS

Title
1-羟基苯并三氮唑 水合物
IUPAC name
1H-1,2,3-benzotriazol-1-ol hydrate
IUPAC Traditional name
hydroxybenzotriazole hydrate
Synonyms
HOBt Hydrate
HOBt 一水合物

DATABASE IDS

MDL Number MFCD00065690
EC Number 219-989-7
Beilstein Number 4515
CAS Number 123333-53-9

PROPERTIES

Empirical Formula (Hill Notation) C6H5N3O · xH2O
Impurities ≥20% water
Purity 97%
Purity 97.0-103.0% (T)
Quality wetted with not less than 20 wt. % water
Melting Point 155-158 °C(lit.)
Solubility DMF: soluble0.1 g/mL, clear
GHS Pictograms GHS02
GHS Signal Word Warning
GHS Hazard statements H228
European Hazard Symbols Flammable Flammable (F)
MSDS Link Download
Personal Protective Equipment Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P210-P501
RID/ADR UN 3380 4.1/PG 1
Risk Statements 1-11-44
Safety Statements 26-37-60
Supplemental Hazard Statements Explosive when dry., Risk of explosion if heated under confinement.
Hazard Class 4.1
UN Number 3380
Packing Group 1
German water hazard class nwg

DETAILS

Description (English)
Application
Additive used in oligonucleotide couplings1,2 and in racemization-free peptide couplings.3,4
Packaging
50, 250 g in poly bottle
Description (简体中文)
Application
添加剂,用于寡核苷酸偶联1,2 和无外消旋肽偶联。3,4
包装
50, 250 g in poly bottle

REFERENCES