*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KN4725000
CHEMICAL NAME           : Ether, butyl ethyl
CAS REGISTRY NUMBER     : 628-81-9
LAST UPDATED            : 199806
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C6-H14-O
MOLECULAR WEIGHT        : 102.20
WISWESSER LINE NOTATION : 4O2
SYNONYMS/TRADE NAMES :
   * Butyl ethyl ether
   * Ether ethylbutylique
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1870 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
   (Chicago, IL)  V.2-10, 1950-54. For publisher information, see AEHLAU.
   Volume(issue)/page/year: 4,119,1951
 
TYPE OF TEST            : LC - Lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >1000 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
   (Chicago, IL)  V.2-10, 1950-54. For publisher information, see AEHLAU.
   Volume(issue)/page/year: 4,119,1951
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 153 gm/m3/15M
TOXIC EFFECTS :
   Behavioral - general anesthetic
REFERENCE :
   ANESAV Anesthesiology.  (Lippincott/Harper, Journal Fulfillment Dept., 2350
   Virginia Ave., Hagerstown, MD 21740)  V.1-    1940- Volume(issue)/page/year:
   11,455,1950

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 84606
       No. of Facilities: 8 (estimated)
       No. of Industries: 1
       No. of Occupations: 3
       No. of Employees: 24 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***