*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AK1925000
CHEMICAL NAME           : Acetic anhydride
CAS REGISTRY NUMBER     : 108-24-7
BEILSTEIN REFERENCE NO. : 0385737
REFERENCE               : 4-02-00-00386 (Beilstein Handbook Reference)
LAST UPDATED            : 199806
DATA ITEMS CITED        : 18
MOLECULAR FORMULA       : C4-H6-O3
MOLECULAR WEIGHT        : 102.10
WISWESSER LINE NOTATION : 1VOV1
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Acetanhydride
   * Acetic acid, anhydride
   * Acetic anhydride
   * Acetic oxide
   * Acetyl anhydride
   * Acetyl ether
   * Acetyl oxide
   * Anhydride acetique
   * Anhydrid kyseliny octove
   * Anidride acetica
   * Azijnzuuranhydride
   * Essigsaeureanhydrid
   * Ethanoic anhydrate
   * Octowy bezwodnik
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Open irritation test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 540 mg
REACTION SEVERITY       : Mild
REFERENCE :
   UCDS** Union Carbide Data Sheet.  (Union Carbide Corp., 39 Old Ridgebury
   Rd., Danbury, CT 06817)  Volume(issue)/page/year: 8/7/1963
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1780 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            : LC50 - Lethal concentration, 50 percent kill
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 :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,607,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 4 mL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   UCDS** Union Carbide Data Sheet.  (Union Carbide Corp., 39 Old Ridgebury
   Rd., Danbury, CT 06817)  Volume(issue)/page/year: 8/7/1963
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2470 ug/m3/24H/95D-C
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes in urine composition
   Blood - changes in leukocyte (WBC) count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 34(4),103,1969

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 21 mg/m3 (5 ppm)
   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 5 ppm (20 mg/m3)
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,2,1971

   OSHA PEL (Gen Indu):8H TWA 5 ppm (20 mg/m3)
   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):8H TWA 5 ppm (20 mg/m3)
   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):8H TWA 5 ppm (20 mg/m3)
   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):8H TWA 5 ppm (20 mg/m3)
   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

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO ACETIC ANHYDRIDE-air:CL 5 ppm
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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 02740
       No. of Facilities: 3012 (estimated)
       No. of Industries: 23
       No. of Occupations: 16
       No. of Employees: 19365 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 02740
       No. of Facilities: 7514 (estimated)
       No. of Industries: 73
       No. of Occupations: 59
       No. of Employees: 92428 (estimated)
       No. of Female Employees: 11630 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: Acetic anhydride, 3506

 
                            *** END OF RECORD ***