1-Hydroxybenzotriazole

Synonyms: HOBt

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name 1-Hydroxybenzotriazole
Product Form Substance
Catalogue No. AL0814A
CAS Number 2592-95-2
EC Number 220-200-5
EC Index Number -
Grade 98% For Synthesis (anhydrous)
HSN Code 29339900
Molecular Formula C6H5N3O
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name 1-Hydroxybenzotriazole
Catalogue No. AL0814A
Product form Substance
CAS Number 2592-95-2
EC Number 220-200-5
Grade 98% For Synthesis (anhydrous)
EC Index Number Not specified
Chemical Formula C6H5N3O
HSN Code 29339900
Synonyms HOBt
Chemical Structure -
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture Additive in peptide coupling reactions
Uses advised against Not specified
1.3 Details of the supplier of the safety data sheet
Company identification Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 Emergency Contact Details
Phone / e-Mail Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
SECTION 2: Hazards identification
2.3 Other hazards
Other hazards Explosive/shock-sensitive when fully anhydrous and dry.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name 1-Hydroxybenzotriazole
CAS No. 2592-95-2
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation Move to fresh air. Seek medical attention if symptoms persist.
First-aid measures after skin contact Wash with soap and water. Seek medical attention if irritation develops.
First-aid measures after eye contact Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Seek medical attention if irritation persists.
First-aid measures after ingestion Do not induce vomiting. Rinse mouth and seek medical attention.
4.2 Most important symptoms and effects, both acute and delayed
Symptoms relating to use Irritation of eyes, skin, and respiratory tract; potential for explosive reaction when dry.
4.3 Indication of any immediate medical attention and special treatment needed
General information Treat symptomatically. Show this safety data sheet to the treating physician.
SECTION 5: Fire-fighting measures
5.1 Extinguishing media
Suitable extinguishing media Water spray, carbon dioxide, dry chemical powder, foam.
Unsuitable extinguishing media Not specified
5.2 Special hazards arising from the substance or mixture
Special procedures May emit toxic fumes in a fire. Use water spray to cool containers.
5.3 Advice for firefighters
Protection during firefighting Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6: Accidental release measures
6.1.1 For non-emergency personnel
Emergency procedures Evacuate area. Wear appropriate protective equipment. Contain and collect spillage.
6.3 Methods and material for containment and cleaning up
Methods for cleaning up Use inert absorbent material to collect spillage. Dispose of in accordance with local regulations.
6.4 Reference to other sections
Reference Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling Handle under inert gas. Avoid moisture and ignition sources. Use appropriate personal protective equipment.
Hygiene measures Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditions Store in a cool, dry place, away from heat and ignition sources.
SECTION 8: Exposure controls/personal protection
8.2 Exposure controls
Hand protection Protective gloves (e.g. nitrile rubber)
Eye protection Chemical safety goggles or safety glasses
Skin and body protection Wear suitable protective clothing
Respiratory protection Use appropriate respiratory protection if dust is generated.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state Solid
Colour White to pale yellow
Odour Odourless
Odour threshold Not specified
pH value Not specified
Relative evaporation rate (butylacetate=1) Not specified
Melting point Not specified
Freezing point Not specified
Boiling point Not specified
Flash point Not specified
Auto-ignition temperature Not specified
Decomposition temperature Not specified
Flammability (solid, gas) Flammable solid
Vapour pressure Not specified
Relative vapour density at 20°C Not specified
Density Not specified
Solubility Soluble in water and organic solvents
Log Pow Not specified
Viscosity, kinematic Not specified
Viscosity, dynamic Not specified
Explosive properties Potentially explosive when dry
Oxidising properties Not specified
Explosive limits Not specified
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity Stable under normal conditions, but may become reactive when dry and anhydrous.
10.2 Chemical stability
Chemical stability Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
Possibility of hazardous reactions No dangerous reactions known under normal conditions of use.
10.4 Conditions to avoid
Conditions to avoid Avoid contact with incompatible materials and excessive heat.
10.5 Incompatible materials
Incompatible materials Strong oxidizers, moisture.
10.6 Hazardous decomposition products
Hazardous decomposition products Not specified
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity Not specified
Skin corrosion/irritation May cause skin irritation.
Serious eye damage/irritation May cause eye irritation.
Respiratory or skin sensitisation Not specified
Germ cell mutagenicity Not classified
Carcinogenicity Not classified
Specific target organ toxicity (single exposure) Not specified
Specific target organ toxicity (repeated exposure) Not classified
SECTION 12: Ecological information
12.1 Toxicity
Toxicity information Not specified
12.2 Persistence - degradability
Persistence - degradability Not specified
12.3 Bioaccumulative potential
Bioaccumulative potential Not specified
12.4 Mobility in soil
Mobility in soil Not specified
12.6 Other adverse effects
Environmental precautions Not specified
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
14.1 UN number
UN-No. (ADR) UN 3380
UN-No. (IMDG) UN 3380
UN-No. (IATA) UN 3380
UN-No. (ADN) UN 3380
UN-No. (RID) UN 3380
14.2 UN proper shipping name
Proper Shipping Name (ADR) 1-Hydroxybenzotriazole
Proper Shipping Name (IMDG) 1-Hydroxybenzotriazole
Proper Shipping Name (IATA) 1-Hydroxybenzotriazole
Proper Shipping Name (ADN) 1-Hydroxybenzotriazole
Proper Shipping Name (RID) 1-Hydroxybenzotriazole
14.3 Transport hazard class(es)
Transport hazard class(es) 4.1
14.4 Packing group
Packing group (ADR) I
Packing group (IMDG) I
Packing group (IATA) I
Packing group (ADN) I
Packing group (RID) I
14.5 Environmental hazards
Dangerous for the environment Not specified
Marine pollutant Not specified
Other information No supplementary information available
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations Not specified
SECTION 16: Other Information
Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.