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THE BOEING COMPANY
INDUSTRIAL HAZARDS CONTROL BULLETIN NO. 4 INDUSTRIAL RELATIONS DEPT.
REVISED JUNE 1962

HiAawiTwi teifeHh'
EM£B.QEN.C.Y..PROCED_URES
• TOLUENE-2, 4-DIIS0CYANATE
OTHER NAME: M-Tolylene Diisocyonat^ 1. Eyes: , If splashed Into eyes,
4o not Flush with
SYMBOL: TDI water for at least 1$ min­
utes. Lift upper and lower
The information *n this bulletin may also apply to other • eyelids frequently -to in-
; sure complete washing.
Isocyanates such as: P,P* di phenyl methane di®
Report to Medical.
Isocyanate.
■« Exposed Skin: If splashed on clothing or
USES: As a curing agent in the formulation of coatings
large area of body, remove
and In the preparation of foomed resins.*
’’-s' L’. contaminated clothing and !
wash body under a shower
HAZARDOUS PROPERTIES: -- • '> - • <••* •
for at least 10 minutes.
•,‘j
'Wash clothing before re­
use. If splashed onto an
!• Health Hazard
easily accessible part of
. a* ^Vapors < * •_ ■ • 4) .-i' ..-•■ti; the body, wash with plenty
of soap and water.
(1) Dangerous ly Toxic inhalations Move to fresh air immedi­
(2) Inhalation may cause irritation of the nose,
ately any worker suffering
. ;• throat and lungs and may result in sensi*
' from irritating effects. Cal!
' ? fixation. Breathing of vapor may cause
’ Medical.
sthma-lik e attacks or serious illness.
(3) Contact with j C o eyes may cause severe Large Spa In the case of a large spill
irritation. resulting from a broken car­
’ (4) Contact with the skin may cause severe boy, a ruptured drum, a
irritation and sensitization. broken line, or some similar
(5) Heating TDI results in the evolution ol
cause, evacuate the area
toxic vapors* immediately and call the fl
NOTE: Odor may not provide adequate warning
• Fire Unit and Industrial
of harmful concentrations*
Hygiene.
Wash away with copious
be Liquid «
quantities of water, or neu­
tralize with strong ammonia
Contact with the eyes skin may cause severe
solution, then flush with
irritation or burns*
• water. Fire fighters should
use self-contained breath­
PRECAUTIONS:
ing apparatus when fighting
fires involving TO I or when
1. Personal Protection cleaning up spills. I
» . v t" • .
a. Avoid breathing vapors.
NOTE. TDI vapors will be released from foam s or coatings until the material is completely cured.

Do not get in eyes, on skin or on clothing.

The information contained in this bulletin Is occurate to the best of our knowledge. However, The Boeing Company
o assumes no responsibility for any use of this bulletin outside of the Company** control.

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