Registration Dossier

Guidance on Safe Use

Guidance on Safe Use

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First-aid measures

General information:
Take persons to a safe place. Observe self-protection for first aid. Always seek medical advice in the event of contact with this substance.

After inhalation:
Keep the patient calm. If unconscious place in stable sideways position. Protect against loss of body heat. If breathing stops, administer artificial respiration. Seek medical advice immediately and clearly identify substance.

After contact with the skin:
Remove contaminated clothes at once. Wash off with plenty of water or water and soap immediately for 10-15 minutes. In serious cases, use emergency shower immediately. Seek medical advice immediately and clearly identify substance.

After contact with the eyes:
Rinse immediately with plenty of water for 10-15 minutes. Keep eyelids well open to rinse the whole eye surface and eyelids with water. Seek medical advice immediately and clearly identify substance. Continue to bathe eyes during transport to medical practitioner.

After swallowing:
If conscious, give several small portions of water to drink. Do not induce vomiting. Seek medical advice immediately and clearly identify substance.

Advice for the physician:
After inhalation: treat as early as possible using cortisone spray. Medical checks necessary up to a latency period of at least 24 hours. In the event of 1st degree burns use corticoidexterna. In the case of 2nd degree burns, use symptomatic treatment.

Fire-fighting measures

Suitable extinguishing media: water mist , extinguishing powder , alcohol-resistant foam , carbon dioxide , sand .

Extinguishing media which must not be used for safety reasons: water spray , water jet .

Special exposure hazards arising from the substance or preparation itself, combustion products, resulting gases: Hazardous combustion products: nitrous gases .

Special protective equipment for fire fighting: Use respiratory protection independent of recirculated air. Use tightly fitting chemical protection suit.

Accidental release measures

Personal precautions:
Wear personal protection equipment (see section 8). Task force: Use tightly fitting chemical protection suit (see section 8). Avoid contact with eyes and skin. Avoid inhaling mists and vapours. If material is released indicate risk of slipping.

Environmental precautions:
Prevent material from entering surface waters, drains or sewers and soil. Contain any fluid that runs out using suitable material (e.g. earth). Retain contaminated water/extinguishing water.

Methods for cleaning up:
Do not flush away with water. For small amounts: Absorb with a liquid binding material such as diatomaceous earth and dispose of according to local/state/federal regulations. Cover larger quantities by near waterless foam and take up in container. Exhaust vapours.

Further information:
Eliminate all sources of ignition.

Handling and storage

Handling:
Precautions for safe handling: Ensure adequate ventilation. Keep away from incompatible substances in accordance with section. Spilled substance increases risk of slipping.
Precautions against fire and explosion: Flammable vapors may accumulate and form explosive mixtures with air in containers, process vessels, including partial, empty and uncleaned containers and vessels, or other enclosed spaces. Keep away from sources of ignition and do not smoke. Take precautionary measures against electrostatic charging. Cool endangered containers with water.

Storage:
Conditions for storage rooms and vessels: none known
Advice for storage of incompatible materials: not applicable
Further information for storage: Protect against moisture. Store in original container only. Keep container tightly closed and store in a cool, well ventilated place.

Transport information

Land transport (ADR/RID)

UN number:
2924
Proper shipping name and description:
Entzündbarer flüssiger Stoff, ätzend, n.a.g.
Chemical name:
(1,1,1,3,3,3-Hexamethyldisilazan)
Language:
German
Class:
3
Classification code:
FC
Packaging group:
II
Labels:
3+8
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Marine transport (IMDG)

UN number:
2924
Proper shipping name and description:
Flammable liquid, corrosive, n.o.s.
Chemical name:
(1,1,1,3,3,3-Hexamethyldisilazane)
Class:
3(8)
Packaging group:
II
EmS code:
F-E, S-C
Labels:
flammable liquid & corrosive
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Air transport ICAO/IATA

UN number:
2924
Proper shipping name and description:
Flammable liquid, corrosive, n.o.s.
Chemical name:
(1,1,1,3,3,3-Hexamethyldisilazane)
Class:
3(8)
Packaging group:
II
Labels:
flammable liquid & corrosive
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Exposure controls / personal protection

Exposure in the work place limited and controlled:
General protection and hygiene measures: Do not breathe vapours. Avoid contact with eyes and skin. Do not eat, drink or smoke when handling.
Personal protection equipment:
Respiratory protection: gas mask filter ABEK . In case of long or strong exposure: positive pressure self contained breathing apparatus .
Hand protection: protective gloves made of fluorinated rubber . Gloves suitable for up to 60 minutes' use.
Eye protection: tight fitting protective goggles . Where there is risk of splashing: protective shield .
Skin protection: protective clothing . Where there is risk of splashing: apron .

Exposure to the environment limited and controlled: Prevent material from entering surface waters and soil.

Stability and reactivity

General information: If stored and handled in accordance with standard industrial practices no hazardous reactions are known.

Conditions to avoid: moisture .

Materials to avoid: Reacts with: water . Reaction causes the formation of: ammonia .

Hazardous decomposition products: By hydrolysis: ammonia .

Disposal considerations

Material:
Recommendation: Dispose of according to regulations by incineration in a special waste incinerator. Observe local/state/federal regulations.

Uncleaned packaging:
Recommendation: Completely discharge containers (no tear drops, no powder rest, scraped carefully). Containers may be recycled or re-used. Observe local/state/federal regulations.