*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GB2900000
CHEMICAL NAME           : Chromic acid, di-tert-butyl ester
CAS REGISTRY NUMBER     : 1189-85-1
BEILSTEIN REFERENCE NO. : 3662582
REFERENCE               : 4-01-00-01614 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 14
MOLECULAR FORMULA       : C8-H18-Cr-O4
MOLECULAR WEIGHT        : 230.26
WISWESSER LINE NOTATION : 4O-CR-O&O&O4
SYNONYMS/TRADE NAMES :
   * Bis(tert-butyl)chromate
   * t-Butyl chromate
   * tert-Butyl chromate
   * tert-Butyl chromate(VI)
   * Chromic acid (H2CrO4), bis(1,1-dimethylethyl) ester

                              *** REVIEWS ***
 
   ACGIH TLV-CL 0.1 mg(CrO3)/m3 (skin)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD:air-CL 0.1 mg/m3 (skin)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year: 3,33,1971

   OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):CL 0.1 mg(CrO3)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):CL 0.1 mg(CrO3)/m3 (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-FRANCE:STEL 0.1 mg/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.1 mg/m3;Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.1 mg/m3;Skin JAN 1993
   
   OEL-SWITZERLAND:TWA 0.05 mg/m3;Skin JAN 1993
   
   OEL-THAILAND:TWA 0.1 mg/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO t-BUTYL CHROMATE-air:10H CA TWA 0.001 mg/m3
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

 
                            *** END OF RECORD ***