*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ED5600000
CHEMICAL NAME           : Boric acid, trimethyl ester
CAS REGISTRY NUMBER     : 121-43-7
BEILSTEIN REFERENCE NO. : 1697939
REFERENCE               : 4-01-00-01269 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 12
MOLECULAR FORMULA       : C3-H9-B-O3
MOLECULAR WEIGHT        : 103.93
WISWESSER LINE NOTATION : 1OBO1&O1
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Borester O
   * Methyl borate
   * Trimethoxyborine
   * Trimethylester kyseliny borite
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg
REACTION SEVERITY       : Moderate
REFERENCE :
   AJOPAA American Journal of Ophthalmology.  (Ophthalmic Pub. Co., 435 N.
   Michigan Ave., Suite 1415, Chicago, IL 60611)  Series 3: V.1-    1918-
   Volume(issue)/page/year: 29,1363,1946
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 6140 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1290 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1980 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   23,95,1962
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   14KTAK "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New
   York, John Wiley & Sons, Inc., 1964  Volume(issue)/page/year: -,693,1964

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 74430
       No. of Facilities: 50 (estimated)
       No. of Industries: 3
       No. of Occupations: 4
       No. of Employees: 1090 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 74430
       No. of Facilities: 192 (estimated)
       No. of Industries: 7
       No. of Occupations: 7
       No. of Employees: 4878 (estimated)
       No. of Female Employees: 369 (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

 
                            *** END OF RECORD ***