*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ7660000 CHEMICAL NAME : Phosphonic acid, diisopropyl ester CAS REGISTRY NUMBER : 1809-20-7 BEILSTEIN REFERENCE NO. : 1703675 REFERENCE : 4-01-00-01475 (Beilstein Handbook Reference) LAST UPDATED : 199701 DATA ITEMS CITED : 13 MOLECULAR FORMULA : C6-H15-O3-P MOLECULAR WEIGHT : 166.18 WISWESSER LINE NOTATION : 1Y1&OPHO&OY1&1 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * Diisopropyl hydrogen phosphite * Diisopropyl phosphite * Diisopropylphosphonate * O,O-Diisopropyl phosphonate * Isopropyl phosphonate * Phosphonic acid, bis(1-methylethyl) ester *** 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 : 1700 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(11),51,1985 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 9600 mg/m3 TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Lungs, Thorax, or Respiration - other changes REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(11),51,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1590 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(11),51,1985 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 9085 mg/m3 TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Lungs, Thorax, or Respiration - other changes REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(11),51,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 5700 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ALBRW* Albright & Wilson Inc. (P.O. Box 26229, Richmond, VA 23260-6229) Volume(issue)/page/year: #OPB-3,1984 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 9010 mg/m3 TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Lungs, Thorax, or Respiration - other changes REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(11),51,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 1500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 51(7),78,1986 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2074 mg/kg/61D-I TOXIC EFFECTS : Blood - changes in erythrocyte (RBC) count 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: 51(7),78,1986 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 6188 mg/kg/26W-I TOXIC EFFECTS : Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 53(3),70,1988 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 5 mg/plate REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 28,405,1975 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 4 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1834 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 50 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***