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HOAt

HOAt Basic information
Product Name:HOAt
Synonyms:1-Hydroxy-7-azabenzo;3H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE, 3-HYDROXY-;3H-[1,2,3]-TRIAZOLO[4,5-B]PYRIDIN-3-OL;7-AZA-1-HYDROXYBENZOTRIAZOLE;3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol(SALTDATA: FREE);7-Aza-1-hydroxybenzotriazole HOAt 1-Hydroxy-7-azabenzotriazole;N-Hydroxy-7-azabenzotriazole;3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol, 95+%
CAS:39968-33-7
MF:C5H4N4O
MW:136.11
EINECS:609-760-3
Product Categories:Peptide Coupling Reagents;PROTECTED AMINO ACID & PEPTIDES;Heterocycles;Heterocyclic Compounds;Peptide;Bases & Related Reagents;Nucleotides;Peptide coupling agents;peptides
Mol File:39968-33-7.mol
HOAt Structure
HOAt Chemical Properties
Melting point 213-216°C
Boiling point 250.36°C (rough estimate)
density 0.973 g/mL at 20 °C
refractive index n20/D 1.441
Fp 213-216°C
storage temp. Store at RT.
solubility >6.8mg/mL in DMSO
form Powder
pka5.85±0.58(Predicted)
Decomposition 213-216 ºC
CAS DataBase Reference39968-33-7(CAS DataBase Reference)
EPA Substance Registry System3H-1,2,3-Triazolo[4,5-b]pyridine, 3-hydroxy- (39968-33-7)
Safety Information
Hazard Codes T,Xi,F,Xn,E
Risk Statements 61-20/21-36-5-36/37/38-11-41-37/38-22-2-36/37
Safety Statements 53-45-37/39-26-16-39-35-36-36/37-28-15
RIDADR UN 1993 3/PG 3
WGK Germany 1
HazardClass IRRITANT
PackingGroup Ⅱ
HS Code 29332990
MSDS Information
ProviderLanguage
SigmaAldrich English
HOAt Usage And Synthesis
Chemical PropertiesClear, colorless liquid
Uses1-Hydroxy-7-azabenzotriazole can be used as antibacterial, anti-aging and flame-retardant dendritic polyacrylate emulsion.
HOAt Preparation Products And Raw materials
Preparation Products2-Ethylpiperazine
N-CHLOROSACCHARIN HBTU N-Hydroxyphthalimide 2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 2-(7-Azabenzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 3-Hydroxy-1,2,3-benzotriazin-4(3H)-one O-(6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride 7-(AZABENZOTRIAZOLE-1-YLOXY)-1,3-DIMETHYLIMIDAZOLIDINIUM HEXAFLUOROPHOSPHATE 5-Methyl-1H-benzotriazole 1,2,4-Triazole HOAt 1,2,3-1H-Triazole (3-Hydroxy-3H-1,2,3-triazolo[4,5-b]pyridinato-O)tri-1-pyrrolidinylphosphonium hexafluorophosphate 1H-Benzotriazole 7-Azabenzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate HAPyU CHLOROPHOSPHONAZO III
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