*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : JG7873000
CHEMICAL NAME           : 2,7-Dioxa-3,6-disilaoctane, 3,3,6,6-tetramethoxy-
CAS REGISTRY NUMBER     : 18406-41-2
BEILSTEIN REFERENCE NO. : 1776976
REFERENCE               : 4-04-00-04265 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C8-H22-O6-Si2
MOLECULAR WEIGHT        : 270.48
SYNONYMS/TRADE NAMES :
   * 1,2-Bis(trimethoxysilyl)ethane
   * 1,4-Disilabutane, 1,1,1,4,4,4-hexamethoxy-
   * Dow corning X1-6145A
   * 1,2-Ethylenebis(trimethoxysilane)
   * Hexamethoxydisilylethane
   * 3,3,6,6-Tetramethoxy-2,7-dioxa-3,6-disilaoctane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2400 ppb/4H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 14,312,1994
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 100 ppb/6H/14D-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 15,6,1995
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 10 ppm/6H/2D-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Gastrointestinal - changes in structure or function of salivary glands
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0527762-5

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***