Substance
ID:304939
Names and Identifiers
IUPAC Traditional name
1-hydroxy-7-azabenzotriazole
IUPAC name
3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol
Synonyms
HOAt1-Hydroxy-7-azabenzotriazole solutionN-羟基-7-偶氮苯并三氮唑 溶液3H-[1,2,3]-Triazolo[4,5-b]pyridin-3-ol3H-[1,2,3]-三唑[4,5-b]吡啶-3-醇
Registration numbers
CAS Number
PubChem SID
MDL Number
Beilstein Number
Properties
Physical Property
Refractive Index
n20/D 1.4390
Flash Point
136.4 °F
58 °C
Safety Information
GHS Hazard statements
H226-H302+H312+H332-H318-H360D
UN Number
1993
GHS Pictograms
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
Respiratory sensitization, category 1
Germ cell mutagenicity, categories 1A,1B,2
Carcinogenicity, categories 1A,1B,2
Reproductive toxicity, categories 1A,1B,2
Specific Target Organ Toxicity – Single exposure, categories 1,2
Specific Target Organ Toxicity – Repeated exposure, categories 1,2
Aspiration Hazard, category 1
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
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 Signal Word
Danger
MSDS Link
GHS Precautionary statements
P201-P280-P305+P351+P338-P308+P313
European Hazard Symbols
Toxic (T)Safety Statements
53-26-36/37-45
German water hazard class
3
Packing Group
3
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RID/ADR
UN 1993 3/PG 3
Hazard Class
3
Risk Statements
61-20/21-36
Product Information
Empirical Formula (Hill Notation)
C5H4N4O
Concentration
0.5-0.7 M in DMF
Molecule Details
Caution
Material is currently undergoing additional testing for DOT shipping approval. This material will be on back order for an indefinite period of time until testing is complete. In many cases, 157260 may be used as a replacement for this product.
Packaging
200 mL in glass bottle
Material is currently undergoing additional testing for DOT shipping approval. This material will be on back order for an indefinite period of time until testing is complete. In many cases, 157260 may be used as a replacement for this product.
Packaging
200 mL in glass bottle
Molecular Spectra
No Data Available
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References
No Data Available
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