Document 6RJ4NKwdQedQLexmwOez3zVK6
REQUEST FOR TOXICITY EVALUATION Haskell Laboratory for Toxicology and Industrial Medicine
D_ epartme.n.t PIGME_N_T_S_____ ' Divisi4o.:n-. _R__E_S__E_A_R__C_H;Locati_on Name of chemical submitted .. mca COated With Ti02
. NEWARK_,__N__. _J_.
product Name Coated Mica Plaices
Sample; Code Nos*
Grade________________ Color silver
Special handling requirements
None
Lot No. 127S1 Amount l/2 lb.
Form powder__________
'
_____
Formula
Composition, if a mixture
Muscovite Mica 65$ Approx.
Calcined Ti02
35$
Active ingredient 100
jt>
Impurities (identity and amounts)
All not determined. Traces of alumina, iron, sulfated and various inorganic compounds usually found in Ti02.
Only inorganic impurities Properties: MP 1000C BP
VP 0 pH 4.5-5.0 S.Gr. ca, 3
Solubility in water 0 acetone 0 ethanol 0_____ vegetable oil 0
Proposed use;
As pigment in paints, inks, plastics, etc.
Present stage of development: Research
Semlworka x Mfg._____ Sales
N37267
Employee Exposure
1. Concentration of material in process_____ lOOjj? When used as pigment,
2. Solvent ana other chemicals present uaflal paint solvents-Mineral Spirits.etc
3> Is exposure "by inhalation ' x ;skin absorption
x other
if-. Maximum temperature of material in process 100 C
5. Is the compound present in the atmosphere in the form of vapor mist__dust x
6. Maximum concentration likely to he present in atmosphere Dust ?%>
.
7. What type of ventilation is in use?Hood
8. What type of protective clothing is worn? Respirator
________ . .
9. Exposure is for 8 hours minutes per day
Consumer Exposure
By Another Mgfr.
By Public
What is possibility of:
1. Ingestion
Good
2. Inhalation 3. Skin contact
Good Good
-
Good - (in paints, etc.)
Experience to Bate
Have any clinical signs of toxicity such as headaches, difficulty in breathing, dizziness, nausea, skin or eye irritation, etc. been reported by persons who have been in contact with the chemical? If so, please list them and describe
circumstances under which they occurred.
None
l/lQ/61 date
DBH:emh k-29-60
B. H. PERKINS Signature
At <?
DUP050041365