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1,2,4,5-Benzenetetracarbonitrile

1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING

Product name

1,2,4,5-Tetracyanobenzene

2. HAZARDS IDENTIFICATION

Classification of the substance or mixture

According to Regulation (EC) No1272/2008

Acute toxicity, Inhalation (Category 3)

Acute toxicity, Dermal (Category 3)

Acute toxicity, Oral (Category 2)

According to European Directive 67/548/EEC as amended.

Toxic by inhalation, in contact with skin and if swallowed.

Label elements

Pictogram

Signal word

Hazard statement(s)

H300

H311

H331

Precautionary statement(s)

P261

P264

P280

P301 + P310

P311

Hazard symbol(s)

R-phrase(s)

R23/24/25

S-phrase(s)

S36/37/39

S45

Other hazards - none

Danger

Fatal if swallowed.

Toxic in contact with skin.

Toxic if inhaled.

Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.

Wash hands thoroughly after handling.

Wear protective gloves/ protective clothing.

IF SWALLOWED: Immediately call a POISON CENTER or doctor/

physician.

Call a POISON CENTER or doctor/ physician.

Toxic

Toxic by inhalation, in contact with skin and if swallowed.

Wear suitable protective clothing, gloves and eye/face protection.

In case of accident or if you feel unwell, seek medical advice immediately

(show the label where possible).

3. COMPOSITION/INFORMATION ON INGREDIENTS

Synonyms

Formula

Molecular Weight

1,2,4,5-Benzenetetracarbonitrile

Pyromellitic acid tetranitrile

C10H2N4

178,15 g/mol

CAS-No.

EC-No.

Classification

Concentration

1,2,4,5-Tetracyanobenzene

712-74-3

Acute Tox. 3; Acute Tox. 2;

H300, H311, H331

T, R23/24/25

For the full text of the H-Statements mentioned in this Section, see Section 16.

4. 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. Take victim immediately to hospital. Consult a physician.

In case of eye contact

Flush eyes with water as a precaution.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

5. 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.

6. ACCIDENTAL RELEASE MEASURES

Personal precautions

Wear respiratory protection. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate

ventilation. Evacuate personnel to safe areas. Avoid breathing dust.

Environmental precautions

Prevent further leakage or spillage if safe to do so. 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.

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. Normal measures for preventive fire

protection.

Conditions for safe storage

Keep container tightly closed in a dry and well-ventilated place. Store in cool place.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Personal protective equipment

Respiratory protection

Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator

type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the

respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and

components tested and approved under appropriate government standards such as NIOSH (US) or CEN

(EU).

Hand 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.

Eye protection

Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate

government standards such as NIOSH (US) or EN 166(EU).

Skin and 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.

Hygiene measures

Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling the

product.

9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance

Form

Safety data

Melting point

Boiling point

Flash point

Ignition temperature

Lower explosion limit

Upper explosion limit

Water solubility

solid

no data available

265 - 268 °C - lit.

no data available

10. 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)

11. TOXICOLOGICAL INFORMATION

Acute toxicity

LD50 Oral - mouse - 28 mg/kg

Skin corrosion/irritation

no data available

Serious eye damage/eye irritation

no data available

Respiratory or skin sensitization

no data available

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

no data available

Specific target organ toxicity - repeated exposure

no data available

Aspiration hazard

no data available

Potential health effects

Inhalation

Ingestion

Skin

Eyes

Toxic if inhaled. May cause respiratory tract irritation.

May be fatal if swallowed.

Toxic if absorbed through skin. May cause skin irritation.

May cause 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: DB9100000

12. 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

13. DISPOSAL CONSIDERATIONS

Product

Offer surplus and non-recyclable solutions to a licensed disposal company. 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.

14. TRANSPORT INFORMATION

ADR/RID

UN-Number: 3439 Class: 6.1

Packing group: II

Proper shipping name: NITRILES, TOXIC, SOLID, N.O.S. (1,2,4,5-Tetracyanobenzene)

IMDG

UN-Number: 3439 Class: 6.1

Packing group: II EMS-No: F-A, S-A

Proper shipping name: NITRILES, TOXIC, SOLID, N.O.S. (1,2,4,5-Tetracyanobenzene)

Marine pollutant: No

IATA

UN-Number: 3439 Class: 6.1

Packing group: II

Proper shipping name: Nitriles, toxic, solid, n.o.s. (1,2,4,5-Tetracyanobenzene)

15. REGULATORY INFORMATION

This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.

16. OTHER INFORMATION

Text of H-code(s) and R-phrase(s) mentioned in Section 3

Acute Tox.

H300

H311

H331

R23/24/25

Acute toxicity

Fatal if swallowed.

Toxic in contact with skin.

Toxic if inhaled.

Toxic

Toxic by inhalation, in contact with skin and if swallowed.

Further information

The above information is believed to be correct but does not purport to be all inclusive and
shall be used only as a guide. The information this document is based on the resent state
of our knowledge and is applicable to the product with regard to appropriate safety precautions.
It does not represent any guarantee of the properties of the product. Lookchem shall not be
held liable for any damage resulting from handling or from contact with the above product.
See reverse side of invoice or packing slip for additional terms and conditions of sale.

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