1-Hydroxy-7-azabenzotriazole

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Names

[ CAS No. ]:
39968-33-7

[ Name ]:
1-Hydroxy-7-azabenzotriazole

[Synonym ]:
1-Hydroxy-7-Azabenzotriazole
3H-1,2,3-Triazolo[4,5-b]pyridin-3-ol
3H-[1,2,3]-Triazolo[4,5-b]pyridin-3-ol
3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol
3-hydroxytriazolo[4,5-b]pyridine
HOAt
MFCD00210053
7-Aza-1-hydroxybenzotriazole

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Boiling Point ]:
376.8±34.0 °C at 760 mmHg

[ Melting Point ]:
213-216°C

[ Molecular Formula ]:
C5H4N4O

[ Molecular Weight ]:
136.111

[ Flash Point ]:
181.7±25.7 °C

[ Exact Mass ]:
136.038513

[ PSA ]:
63.83000

[ LogP ]:
-0.68

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.836

[ Storage condition ]:
Store at RT.

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
F:Flammable

[ Risk Phrases ]:
R11;R36/37/38;R5

[ Safety Phrases ]:
S53-S45-S37/39-S26-S16-S39-S35

[ RIDADR ]:
UN 1993 3/PG 3

[ WGK Germany ]:
1

[ Hazard Class ]:
3.0

[ HS Code ]:
2933990090

Precursor & DownStream

Precursor

  • Boc-Gly-OH
  • 4-AMinophenylboronic acid pinacol ester
  • 3-Methoxy-2-nitropyridine
  • 3H-1,2,3-Triazolo[4,5-b]pyridine,3-methoxy-
  • Sodium benzenethiolate
  • 2-Nitro-3-pyridinol
  • 3-Chloro-2-nitropyridine

DownStream

  • 3H-1,2,3-Triazolo[4,5-b]pyridine,3-methoxy-

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 1-Hydroxy-7-azabenzotriazole
  • 1-hydroxy-7-methoxy-10H-acridin-9-one
  • 1-hydroxy-7-methoxynaphthalene-2-carboxylic acid
  • 1-hydroxy-7-methoxy-3-methyl-anthrone
  • 1-hydroxy-7-methoxy-1,6-dimethyl-1H-naphthalene-2-one
  • 1-hydroxy-7-methyloct-6-en-3-one
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • (3S)-3-(2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}acetamido)butanoic acid
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-butyl N-[2-(3,5-dichlorophenyl)-1-oxopropan-2-yl]-N-methylcarbamate
  • O-[2-methyl-2-(quinolin-2-yl)propyl]hydroxylamine