*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OM4360000
CHEMICAL NAME           : Magnesium silicate hydrate
CAS REGISTRY NUMBER     : 1343-90-4
LAST UPDATED            : 199504
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : Mg2-O8-Si3.H2-O
MOLECULAR WEIGHT        : 278.91
COMPOUND DESCRIPTOR     : Primary Irritant
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Human
DOSE/DURATION           : 300 ug/3D (Intermittent)
REACTION SEVERITY       : Mild
REFERENCE :
   85DKA8 "Cutaneous Toxicity, Proceedings of the 3rd Conference, 1976," Drill,
   V.A., and P. Lazar, eds., New York, Academic Press, Inc. 1977
   Volume(issue)/page/year: -,127,1977

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - E0842
       No. of Facilities: 5672 (estimated)
       No. of Industries: 41
       No. of Occupations: 33
       No. of Employees: 68129 (estimated)
       No. of Female Employees: 2005 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3286
       No. of Facilities: 2267 (estimated)
       No. of Industries: 23
       No. of Occupations: 28
       No. of Employees: 36570 (estimated)
       No. of Female Employees: 3033 (estimated)

 
                            *** END OF RECORD ***