Substance
ID:304893
Names and Identifiers
IUPAC Traditional name
hydroxybenzotriazole hydrate
IUPAC name
1H-1,2,3-benzotriazol-1-ol hydrate
Synonyms
HOBt HydrateHOBt 一水合物1-Hydroxybenzotriazole hydrate1-羟基苯并三氮唑 水合物
Registration numbers
MDL Number
Beilstein Number
CAS Number
EC Number
PubChem SID
Properties
Product Information
Purity
≥97.0% (T)
Impurities
~12% water
Empirical Formula (Hill Notation)
C6H5N3O · xH2O
Safety Information
MSDS Link
European Hazard Symbols
Flammable (F)RID/ADR
UN 3380 4.1/PG 1
Risk Statements
1-11-44
Hazard Class
4.1
UN Number
3380
GHS Pictograms
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
GHS Hazard statements
H228
GHS Signal Word
Warning
GHS Precautionary statements
P210
Supplemental Hazard Statements
Explosive when dry., Risk of explosion if heated under confinement.
Safety Statements
26-37-60
Packing Group
1
German water hazard class
nwg
Physical Property
Solubility
DMF: soluble0.1 g/mL, clear
Melting Point
155-158 °C(lit.)
Molecule Details
Other Notes
Widely used additive to decrease racemization in the carbodiimide peptide coupling;1 Racemization-free condensation of peptide fragments2,3
Widely used additive to decrease racemization in the carbodiimide peptide coupling;1 Racemization-free condensation of peptide fragments2,3
Molecular Spectra
No Data Available
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References
No Data Available
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