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HCID 2796029Erstellt: 23. Oktober 2026

1-Hydroxybenzotriazole hydrate

1-HYDROXYBENZOTRIAZOLE MONOHYDRATE · HOBT HYDRATE · HOBT H2O · 1H-benzo[d][1,2,3]triazol-1-ol hydrate · HOBT.H20 · HOBT MONOHYDRATE · 1-Hydroxybenzotriazole Hydrat · N-HYDROXYBENZOTRIAZOLE HYDRATE

https://huagongshe.com/de/chemical/2796029

Molekülstruktur von 1-Hydroxybenzotriazole hydrate

Identifikatoren & physikalische Daten

CAS No.123333-53-9
SummenformelC6H7N3O2
Durchschnittliche Molmasse153,14 g/mol
Monoisotopische Masse153,05382646 g/mol
SMILESO.On1nnc2ccccc21
InChIKeyPJUPKRYGDFTMTM-UHFFFAOYSA-N
PubChem CID2796029
EC No.602-929-2
DTXSIDDTXSID30924462

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)51,9
H-Brücken-Donoren2
H-Brücken-Akzeptoren4
Frei drehbare Bindungen0
Schwere Atome11
Formalladung0
Komplexität130
StoffklassenNitrogen Compounds -> Triazoles
Schmelzpunkt155-158 °C(lit.)
Siedepunkt248.8°C (rough estimate)
Dichte1.065 g/cm
Brechungsindex1.6910 (estimate)
LagerbedingungenKeep in dark place,Inert atmosphere,Room temperature
LöslichkeitDMF: 100 mg/mL, clearslightly soluble
AggregatzustandSolid
FarbeWhite to Off-White
BRN4515
StabilitätHygroscopic
Hauptanwendungenpeptide synthesis
InChIInChI=1S/C6H5N3O.H2O/c10-9-6-4-2-1-3-5(6)7-8-9/h1-4,10H1H2
InChIKeyPJUPKRYGDFTMTM-UHFFFAOYSA-N
SMILESON1N=NC2C=CC=CC1=2.O
CAS Datenbank123333-53-9(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungDangerH203: (Deleted) Explosivefire, blast or projection hazard [Danger Explosives]P210, P230, P240, P250, P280, P370+P380, P372, P373, P401, and P501 (click each P-code to see the statement)H203 (49.2%): (Deleted) ExplosiveP210, P230, P240, P241, P250, P280, P370+P378, P370+P380, P372, P373, P401, and P501 (click each P-code to see the statement)
Regulatorische Informationen1-Hydroxybenzotriazole hydrate: Does not have an individual approval but may be used under an appropriate group standard
GefahrenübersichtMay explode on heating[Merck Index] See 1-Hydroxybenzotriazole.
Hazard Classes and CategoriesExpl. 1.3 (49.2%)Expl. 1.3 (50%)Explosive - division 1.3
F4.10-8
Wassergefährdungsklasse (WGK)-
UN-TransportnummerUN 3474 (1-HYDROXYBENZOTRIAZOLE MONOHYDRATE)
Zollcode29339980
R-Sätze (R)5-11-R5-R11-44-1
GefahrensymboleF
hazard_noteHighly Flammable
Sicherheitshinweise (S)15-16-35-7/9-33-S7/9-S33-S16-60-37-26
Gefahrenklasse4.1Aquatic Chronic 3Desen. Expl. 2Eye Irrit. 2
VerpackungsgruppeI
Lagerklasse4.1A - Other explosive hazardous materials

Anwendungen & Verwendung

Verwenden

1-Hydroxybenzotriazole hydrate can be used as a condensation reagent to prepare: Poly-γ-glutamic acid methyl ester from a dimer of γ-glutamic acid. Oxadiazoles via cyclo condensation of amidoximes with trifluoroacetic anhydride or benzoic acid derivatives.