1-Hydroxybenzotriazole hydrate

Modify Date: 2025-08-25 20:07:48

1-Hydroxybenzotriazole hydrate structure	Common Name	1-Hydroxybenzotriazole hydrate
	CAS Number	123333-53-9	Molecular Weight	135.123
	Density	1.5±0.1 g/cm3	Boiling Point	344.6±25.0 °C at 760 mmHg
	Molecular Formula	C₆H₅N₃O	Melting Point	155-158 °C(lit.)
	MSDS	Chinese USA	Flash Point	162.2±23.2 °C
	Symbol	GHS02	Signal Word	Warning

Name	1-Hydroxybenzotriazole Hydrate
Synonym	More Synonyms

Density	1.5±0.1 g/cm3
Boiling Point	344.6±25.0 °C at 760 mmHg
Melting Point	155-158 °C(lit.)
Molecular Formula	C₆H₅N₃O
Molecular Weight	135.123
Flash Point	162.2±23.2 °C
Exact Mass	135.043259
PSA	50.94000
LogP	0.69
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.739
Storage condition	Store at RT.
Water Solubility	slightly soluble

1-Hydroxybenzotriazole hydrate MSDS(Chinese)

Symbol	GHS02
Signal Word	Warning
Hazard Statements	H228
Supplemental HS	Explosive when dry., Risk of explosion if heated under confinement.
Precautionary Statements	P210
Hazard Codes	F:Flammable
Risk Phrases	R11;R5
Safety Phrases	S15-S16-S35-S7/9-S33
RIDADR	UN 3380 4.1/PG 1
WGK Germany	-
Hazard Class	4.1
HS Code	29339980

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1H-Benzotriazol-1-ol

1H-1,2,3-Benzotriazole, 1-hydroxy-

hydroxybenzotriazole

MFCD00065690

EINECS 219-989-7

HOBT

1-Hydroxy benzotriazole monohydrate

1H-Benzo[d][1,2,3]triazol-1-ol xhydrate

1-Hydroxybenzotriazole

1-hydroxy benzotriazole

HOBt Hydrate

1-Hydroxybenzotriazole hydrate