Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

First-aid measures

Pay attention to self-protection.

Remove victims from hazardous area.

Keep warm, position comfortably, and cover well.

Do not leave affected persons unattended.


Move victims into fresh air.

If the casualty is not breathing: Perform mouth-to-mouth resuscitation, notify emergency physician immediately.

Skin contact

Wash off affected area immediately with plenty of water.

Continue decontamination with polyethylene glycol 400 after initial rinsing with water and then wash with water and soap.

If symptoms persist, consult a physician for treatment.

Eye contact

With eye held open, thoroughly rinse immediately with plenty of water for at least 10 minutes.

Consult an ophthalmologist immediately if the symptoms persist.


Have the mouth rinsed with water.

Call a physician immediately.

Most important symptoms and effects, both acute and delayed

Indication of any immediate medical attention and special treatment needed

After accidental absorption in the body, the pathology and clinical findings are dependent on the kinetics of the noxious substance (quantity of absorbed substance, the absorption time, and the effectiveness of early elimination measures (first aid)/ excretion - metabolism).

Continue with first aid measures.

Depending on the pathology and clinical findings, patient monitoring and symptomatic treatment are necessary.

Fire-fighting measures

Suitable extinguishing media

water spray, foam, CO2, dry powder

Special hazards arising from the substance or mixture

Hazardous fumes in fires, specific to the product:

isocyanate-containing vapours

Under certain fire conditions, traces of other toxic products may occur.

Accidental release measures

Personal precautions, protective equipment and emergency procedures

Ensure adequate ventilation.

Do not inhale vapours / aerosols.

Avoid contact with skin and eyes.

Handling and storage

Precautions for safe handling

Provide good ventilation or extraction.

Do not breathe vapours or spray mist.

Avoid contact with skin and eyes.

Wear personal protective equipment.

Advice on protection against fire and explosion

No special precautions required.


Conditions for safe storage, including any incompatibilities

Keep container tightly closed.

Keep in a well-ventilated place.

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:
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Inland waterway transport (UN RTDG/ADN(R))

UN number:
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Marine transport (UN RTDG/IMDG)

UN number:
Shipping information
Proper shipping name and description:
Chemical name:
2,2,4(or 2,4,4)-Trimethylhexane-1,6-diisocyanate
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Air transport (UN RTDG/ICAO/IATA)

UN number:
Shipping information
Proper shipping name and description:
Trimethylhexamethylene diisocyanate
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Exposure controls / personal protection

Keep separate from foodstuffs, luxury foods, feedstuffs

Stability and reactivity

Disposal considerations

With respect to local regulations, e.g. dispose of to suitable waste incineration plant.

No waste key number as per the European Waste Types List can be assigned to this product, since such classification is based on the (as yet undetermined) use to which the product is put by the consumer.

The waste key number must be determined as per the European Waste Types List (decision on EU Waste Types List 2000/532/EC) in cooperation with the disposal firm / producing firm / official authority.