SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers 
Product name: 2,2'-METHYLENEBIS(5,6- 
DIMETHYLBENZIMIDAZOLE) 
REACH No.: A registration number is not available for this substance as the substance 
or its uses are exempted from registration, the annual tonnage does not 

require a registration or the registration is envisaged for a later 
registration deadline. 
CAS-No.: 3708-68-7 
Relevant identified uses of the substance or mixture and uses advised against 
Identified uses: Laboratory chemicals, Manufacture of substances 

SECTION 2: Hazards identification
Classification of the substance or mixture 
Classification according to Regulation (EC) No 1272/2008 
Acute toxicity, Oral (Category 4), H302 
Skin irritation (Category 2), H315 
Eye irritation (Category 2), H319 
Specific target organ toxicity - single exposure (Category 3), H335 
For the full text of the H-Statements mentioned in this Section, see Section 16. 
Classification according to EU Directives 67/548/EEC or 1999/45/EC 
Xn HarmfulR22, R36/37/38 
For the full text of the R-phrases mentioned in this Section, see Section 16. 
Label elements 
Labelling according Regulation (EC) No 1272/2008 
Pictogram 
Signal wordWarning 
Hazard statement(s) 
H302Harmful if swallowed. 
H315Causes skin irritation. 
H319Causes serious eye irritation. 
H335May cause respiratory irritation. 
Precautionary statement(s) 
P261Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray. 
P305 + P351 + P338IF IN EYES: Rinse cautiously with water for several minutes. Remove 
contact lenses, if present and easy to do. Continue rinsing. 
Supplemental Hazardnone 
Statements 
Other hazards - none 

SECTION 3: Composition/information on ingredients
Substances 
Formula: C19H20N4 
Molecular Weight: 304,4 g/mol 
CAS-No.: 3708-68-7 
Hazardous ingredients according to Regulation (EC) No 1272/2008 
ComponentClassificationConcentration 
2,2'-METHYLENEBIS(5,6-DIMETHYLBENZIMIDAZOLE) 
Acute Tox. 4; Skin Irrit. 2; Eye- 
Irrit. 2; STOT SE 3; H302, 
H315, H319, H335 
Hazardous ingredients according to Directive 1999/45/EC 
ComponentClassificationConcentration 
2,2'-METHYLENEBIS(5,6-DIMETHYLBENZIMIDAZOLE) 
Xn, R22 - R36/37/38- 
For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16 

SECTION 4: First aid measures
Description of first aid measures 
General advice 
Consult a physician. Show this safety data sheet to the doctor in attendance. 
If inhaled 
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. 
In case of skin contact 
Wash off with soap and plenty of water. Consult a physician. 
In case of eye contact 
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. 
If swallowed 
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. 
Most important symptoms and effects, both acute and delayed 
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in 
section 11 
Indication of any immediate medical attention and special treatment needed 
no data available 

SECTION 5: Firefighting measures
Extinguishing media 
Suitable extinguishing media 
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. 
Special hazards arising from the substance or mixture 
Carbon oxides, nitrogen oxides (NOx) 
Advice for firefighters 
Wear self contained breathing apparatus for fire fighting if necessary. 
Further information 
no data available 

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures 
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure 
adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. 
For personal protection see section 8. 
Environmental precautions 
Do not let product enter drains. 
Methods and materials for containment and cleaning up 
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed 
containers for disposal. 
Reference to other sections 
For disposal see section 13. 

SECTION 7: Handling and storage
Precautions for safe handling 
Avoid contact with skin and eyes. Avoid formation of dust and aerosols. 
Provide appropriate exhaust ventilation at places where dust is formed. 
For precautions see section 2.2. 
Conditions for safe storage, including any incompatibilities 
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. 
Specific end use(s) 
A part from the uses mentioned in section 1.2 no other specific uses are stipulated 

SECTION 8: Exposure controls/personal protection
Control parameters 
Components with workplace control parameters 
Exposure controls 
Appropriate engineering controls 
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and 
at the end of workday. 
Personal protective equipment 
Eye/face protection 
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested 
and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). 
Skin protection 
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique 
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of 
contaminated gloves after use in accordance with applicable laws and good laboratory practices. 
Wash and dry hands. 
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and 
the standard EN 374 derived from it. 
Body Protection 
Complete suit protecting against chemicals, The type of protective equipment must be selected 
according to the concentration and amount of the dangerous substance at the specific workplace. 
Respiratory protection 
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher 
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges. 
Use respirators and components tested and approved under appropriate government standards 
such as NIOSH (US) or CEN (EU). 
Control of environmental exposure 
Do not let product enter drains. 

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties 
a) AppearanceForm: solid 
b) Odourno data available 
c) Odour Thresholdno data available 
d) pHno data available 
e) Melting point/freezingno data available 
point 
f) Initial boiling point and no data available 
boiling range 
g) Flash pointno data available 
h) Evapouration rateno data available 
i) Flammability (solid, gas) no data available 
j) Upper/lowerno data available 
flammability or 
explosive limits 
k) Vapour pressureno data available 
l) Vapour densityno data available 
m) Relative densityno data available 
n) Water solubilityno data available 
o) Partition coefficient: n- no data available 
octanol/water 
p) Auto-ignitionno data available 
temperature 
q) Decompositionno data available 
temperature 
r) Viscosityno data available 
s) Explosive propertiesno data available 
t) Oxidizing propertiesno data available 
Other safety information 
no data available 

SECTION 10: Stability and reactivity
Reactivity 
no data available 
Chemical stability 
Stable under recommended storage conditions. 
Possibility of hazardous reactions 
no data available 
Conditions to avoid 
no data available 
Incompatible materials 
Strong oxidizing agents 
Hazardous decomposition products 
Other decomposition products - no data available 
In the event of fire: see section 5 

SECTION 11: Toxicological information
Information on toxicological effects 
Acute toxicity 
no data available 
Skin corrosion/irritation 
no data available 
Serious eye damage/eye irritation 
no data available 
Respiratory or skin sensitisation 
no data available 
Germ cell mutagenicity 
Carcinogenicity 
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as 
probable, possible or confirmed human carcinogen by IARC. 
Reproductive toxicity 
Specific target organ toxicity - single exposure 
May cause respiratory irritation. 
Specific target organ toxicity - repeated exposure 
no data available 
Aspiration hazard 
no data available 
Additional Information 
RTECS: Not available 
To the best of our knowledge, the chemical, physical, and toxicological properties have not been 
thoroughly investigated. 

SECTION 12: Ecological information
Toxicity 
no data available 
Persistence and degradability 
no data available 
Bioaccumulative potential 
no data available 
Mobility in soil 
no data available 
Results of PBT and vPvB assessment 
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted 
Other adverse effects 
no data available 

SECTION 13: Disposal considerations
Waste treatment methods 
Product 
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material 
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. 
Contaminated packaging 
Dispose of as unused product. 

SECTION 14: Transport information
UN number 
ADR/RID: -IMDG: -IATA: - 
UN proper shipping name 
ADR/RID: Not dangerous goods 
IMDG: Not dangerous goods 
IATA:Not dangerous goods 
Transport hazard class(es) 
ADR/RID: -IMDG: -IATA: - 
Packaging group 
ADR/RID: -IMDG: -IATA: - 
Environmental hazards 
ADR/RID: noIMDG Marine pollutant: noIATA: no 
Special precautions for user 
no data available 

SECTION 15 - REGULATORY INFORMATION
N/A 

SECTION 16 - ADDITIONAL INFORMATION
N/A