MSDS

CAS
NO.
INGREDIENT WT
%
LETHAL DOSES EXPOSURE LIMITS
TWA STEL Ceiling
ppm mg/m
3
ppm mg/m
3
ppm mg/m
3
Inhalation LC50 –
5,000 ppm/4hr (rat)
OSHA 100 435 - - - -
Oral LD50 –
4,300 mg/kg (rat)
NIOSH 100 435 150 655 - -
ACGIH
f
100 434 150 651 - -
1330-20-
7
Xylene 1-5
Dermal LD50 –
>1,700 mg/kg
(rabbit)
CANADA 100 434 150 652 - -
OSHA - - - - 0.02 0.2
Inhalation LC50 –
178 mg/m
3
(rat)
NIOSH 0.005 0.050 - - 0.020
g
0.2
g
ACGIH 0.005 0.051 - - - -
101-68-8 Diphenylmethane
diisocyanate (MDI)
0.5-
1.5
Oral LD50 –
2,200 mg/kg
(mouse)
CANAD
A 0.005 0.051 - - 0.02 0.2
Oral LD50 –
3,500 mg/kg (rat) OSHA 100 435 - - - -
Dermal LD50 –
17,800 µL/kg (rabbit) NIOSH 100 435 125 545 - -
ACGIH
f
100 434 125 543 - -
100-41-4 Ethyl benzene 0.1-
1.0
Inhalation LCLo –
4,000 ppm/4hr (rat)
CANAD
A 100 434 125 542 - -
OSHA -
30, 10
b,
h
- - - -
Implant TDLo –
900 mg/kg (rat)
NIOSH - 0.5 - - - -
Inhalation TCLo –
300 µg/m
3
(human)
ACGIH - 0.5
i
- - - -
14808-
60-7
Silica, crystalline
a
(Silica, quartz)
< 0.1
Intravenous LDLo –
40 mg/kg (mouse)
CANAD
A
-
0.3, 0.1
b
- - - -
a
Under normal conditions of use, no respirable particles should be released from this product.
b
Total mass; respirable mass, respectively.
c
NIOSH permissible exposure limits for calcium oxide are as follows: TWA 2 mg/m
3
; IDLH 25 mg/m
3
d
OSHA – Total dust.
e
NIOSH – No threshold has been determined; limit occupational exposure to lowest feasible
concentration.
f
ACGIH – Biological Exposure Index (BEI).
g
NIOSH – Value based on an exposure time of 10 minutes.
h
OSHA PEL: Silica, Crystalline (Silica, Quartz) – respirable dust: TWA 10 mg/m
3
divided by
(%SiO
2
+2); total dust: TWA 30 mg/m
3
divided by (%SiO
2
+2) (Source: NIOSH Pocket Guide to
Hazardous Chemicals).
i
Respirable mass.
SECTION IV – FIRST-AID PROCEDURES
INHALATION: Remove to fresh air. If ill effects persist get medical attention.