1,2-dimethyl-1H-benzimidazole

Modify Date: 2024-01-03 08:45:20

1,2-dimethyl-1H-benzimidazole Structure
1,2-dimethyl-1H-benzimidazole structure
Common Name 1,2-dimethyl-1H-benzimidazole
CAS Number 2876-08-6 Molecular Weight 146.18900
Density 1.09g/cm3 Boiling Point 164ºC / 6mmHg
Molecular Formula C9H10N2 Melting Point 111ºC
MSDS N/A Flash Point 129.2ºC

 Names

Name 1,2-dimethylbenzimidazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.09g/cm3
Boiling Point 164ºC / 6mmHg
Melting Point 111ºC
Molecular Formula C9H10N2
Molecular Weight 146.18900
Flash Point 129.2ºC
Exact Mass 146.08400
PSA 17.82000
LogP 1.88170
Vapour Pressure 0.0037mmHg at 25°C
Index of Refraction 1.595

 MSDS

1,2-Dimethylbenzimidazole Revision number: 5
SAFETY DATA SHEET

Section1. IDENTIFICATION
Product name:1,2-Dimethylbenzimidazole

Revision number:5

Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDSNot classified
Not classified
HEALTH HAZARDS
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbolsNone
No signal word
Signal word
Hazard statementsNone
None
Precautionary statements:

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Components:1,2-Dimethylbenzimidazole
Percent:>97.0%(GC)(T)
CAS Number:2876-08-6
Chemical Formula:C9H10N2

Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.
Skin contact:Remove/Take off immediately all contaminated clothing. Rinse skin with
water/shower. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.

Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
from the chemical:generate poisonous fume.
1,2-Dimethylbenzimidazole

Section5. FIRE-FIGHTING MEASURES
Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:

Section6. ACCIDENTAL RELEASE MEASURES
Use personal protective equipment. Keep people away from and upwind of spill/leak.
Personal precautions,
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.

Section7. HANDLING AND STORAGE
Precautions for safe handling
Handling is performed in a well ventilated place. Wear suitable protective equipment.
Technical measures:
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Storage conditions:Keep container tightly closed. Store in a cool and dark place.
Store away from incompatible materials such as oxidizing agents.
Packaging material:Comply with laws.

Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Install a closed system or local exhaust as possible so that workers should not be
Engineering controls:
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator. Follow local and national regulations.
Hand protection:Protective gloves.
Eye protection:Safety glasses. A face-shield, if the situation requires.
Skin and body protection: Protective clothing. Protective boots, if the situation requires.

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Solid
Form:Crystal- Powder
Colour:Very pale yellow - Pale reddish yellow
Odour:No data available
pH: No data available
Melting point/freezing point:111°C
164°C/0.8kPa
Boiling point/range:
Flash point:No data available
Flammability or explosive
limits:
No data available
Lower:
Upper:No data available
No data available
Relative density:
Solubility(ies):
No data available
[Water]
[Other solvents]
Methanol
Soluble:
1,2-Dimethylbenzimidazole

Section10. STABILITY AND REACTIVITY
Chemical stability:Stable under proper conditions.
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx)
products:

Section11. TOXICOLOGICAL INFORMATION
No data available
Acute Toxicity:
Skin corrosion/irritation: No data available
No data available
Serious eye
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC =No data available
NTP =No data available
No data available
Reproductive toxicity:

Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
No data available
Fish:
Crustacea:No data available
Algae:No data available
Persistence / degradability: No data available
BioaccumulativeNo data available
potential(BCF):
Mobility in soil
Log Pow:No data available
No data available
Soil adsorption (Koc):
Henry's LawNo data available
constant(PaM3/mol):

Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.

Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
Not listed
UN-No:

Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.
1,2-Dimethylbenzimidazole


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1,2-dimethyl-benzimidazole
1,2-dimethyl-1H-benzimidazole
1,2-DiMethylbenziMidazole
1H-Benzimidazole,1,2-dimethyl
dimethylbenzimidazole
1,2-dimethyl-1H-benzoimidazole