Skin irritation (Category 2)
Serious eye damage (Category 1)
Specific target organ toxicity - single exposure (Category 3)
According to European Directive 67/548/EEC as amended.
Harmful if swallowed. Irritating to respiratory system and skin. Risk of serious damage to eyes.
Label elements
Pictogram
Signal wordDanger
Hazard statement(s)
H302Harmful if swallowed.
H315Causes skin irritation.
H318Causes serious eye damage.
H335May cause respiratory irritation.
Precautionary statement(s)
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/eye protection/face protection.
P305 + P351 + P338IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing.
Hazard symbol(s)
XnHarmful
R-phrase(s)
R22Harmful if swallowed.
R37/38Irritating to respiratory system and skin.
R41Risk of serious damage to eyes.
S-phrase(s)
S26In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
S39Wear eye/face protection.
Other hazards - none

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Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Synonyms: 4-Cyano-7-azaindole
1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile
Formula: C8H5N3
Molecular Weight: 143,15 g/mol
CAS-No.EC-No.Index-No.ClassificationConcentration
4-Cyano-7-azaindole
344327-11-3--Acute Tox. 4; Skin Irrit. 2; Eye-
Dam. 1; STOT SE 3; H302,
H315, H318, H335
Xn, R22 - R37/38 - R41
For the full text of the H-Statements mentioned in this Section, see Section 16.

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Section4. 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.

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Section5. FIRE-FIGHTING MEASURES
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special protective equipment for fire-fighters
Wear self contained breathing apparatus for fire fighting if necessary.

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Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions
Use personal protective equipment. Avoid dust formation. Avoid breathing dust. Ensure adequate ventilation.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Keep in suitable, closed containers for disposal.

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Section7. 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. Normal measures for preventive fire
protection.
Conditions for safe storage
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

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Section8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Personal protective equipment
Respiratory protection
Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or
type P1 (EN 143) respirator. Use respirators and components tested and approved under appropriate
government standards such as NIOSH (US) or CEN (EU).
Hand protection
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the
standard EN 374 derived from it.
Handle with gloves.
Eye protection
Safety glasses with side-shields conforming to EN166
Skin and body protection
Choose body protection according to the amount and concentration of the dangerous substance at the
work place.
Hygiene measures
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at
the end of workday.

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Section9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance
Formsolid
Safety data
pH no data available
Melting point195 °C
Boiling pointno data available
Flash pointno data available
Ignition temperature no data available
Lower explosion limit no data available
Upper explosion limit no data available
Water solubilityno data available
Partition coefficient: log Pow: 1,908
n-octanol/water

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Section10. STABILITY AND REACTIVITY
Chemical stability
Stable under recommended storage conditions.
Conditions to avoid
no data available
Materials to avoid
Strong oxidizing agents
Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon oxides, nitrogen oxides (NOx),
Hydrogen cyanide (hydrocyanic acid)

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Section11. TOXICOLOGICAL INFORMATION
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
Prolonged or repeated exposure may cause allergic reactions in certain sensitive individuals.
Germ cell mutagenicity
no data available
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
no data available
Specific target organ toxicity - single exposure
Inhalation - May cause respiratory irritation.
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
InhalationMay be harmful if inhaled. Causes respiratory tract irritation.
IngestionHarmful if swallowed.
SkinMay be harmful if absorbed through skin. Causes skin irritation.
EyesCauses serious eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly
investigated.
Additional Information
RTECS: no data available

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Section12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
PBT and vPvB assessment
no data available
Other adverse effects
no data available

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Section13. DISPOSAL CONSIDERATIONS
Product
Observe all federal, state, and local environmental regulations. Contact a licensed professional waste
disposal service to dispose of this material. 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.

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Section14. TRANSPORT INFORMATION
ADR/RID
Not dangerous goods
IMDG
Not dangerous goods
IATA
Not dangerous goods

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SECTION 15 - REGULATORY INFORMATION
N/A

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SECTION 16 - ADDITIONAL INFORMATION
N/A