*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : TH1400000
CHEMICAL NAME : Phosphorous acid, trimethyl ester
CAS REGISTRY NUMBER : 121-45-9
LAST UPDATED : 199712
DATA ITEMS CITED : 29
MOLECULAR FORMULA : C3-H9-O3-P
MOLECULAR WEIGHT : 124.09
WISWESSER LINE NOTATION : 1OPO1&O1
COMPOUND DESCRIPTOR : Reproductive Effector
Primary Irritant
SYNONYMS/TRADE NAMES :
* Fosforyn trojmetylowy
* Trimethoxyfosfin
* Trimethoxyphosphine
* Trimethylfosfit
* Trimethyl phosphite
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg
REACTION SEVERITY : Severe
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
Academic Press, Inc., 1969 Volume(issue)/page/year: -,609,1969
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 500 mg
REACTION SEVERITY : Mild
REFERENCE :
MEPAAX Medycyna Pracy. Industrial Medicine. (Ars-Polona, POB 1001, 00-068
Warsaw 1, Poland) V.1- 1950- Volume(issue)/page/year: 29,393,1978
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 100 mg
REACTION SEVERITY : Mild
REFERENCE :
MEPAAX Medycyna Pracy. Industrial Medicine. (Ars-Polona, POB 1001, 00-068
Warsaw 1, Poland) V.1- 1950- Volume(issue)/page/year: 29,393,1978
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1600 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 - rat
DOSE/DURATION : >10000 ppm/4H
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:
34,286,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 4180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St.,
Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 9,1,1975
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2600 mg/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:
34,286,1973
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 500 ppm/7.5H/8W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - emphysema
Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)
Skin and Appendages - hair
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf
Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year:
34,286,1973
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 1640 mg/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,119,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 1640 mg/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system
Reproductive - Specific Developmental Abnormalities - homeostasis
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,119,1984
*** REVIEWS ***
ACGIH TLV-TWA 10 mg/m3 (2 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
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 2 ppm (10 mg/m3) JAN 1993
OEL-BELGIUM:TWA 2 ppm (10 mg/m3) JAN 1993
OEL-DENMARK:TWA 0.5 ppm (2.6 mg/m3) JAN 1993
OEL-FINLAND:TWA 0.5 ppm (2.6 mg/m3);STEL 10 ppm (52 mg/m3);Skin JAN 1993
OEL-FRANCE:TWA 2 ppm (10 mg/m3) JAN 1993
OEL-THE NETHERLANDS:TWA 2 ppm (10 mg/m3) JAN 1993
OEL-SWITZERLAND:TWA 2 ppm (10 mg/m3) JAN 1993
OEL-UNITED KINGDOM:TWA 2 ppm (10 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 TRIMETHYL PHOSPHITE-air:10H TWA 2 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 - 84215
No. of Facilities: 260 (estimated)
No. of Industries: 5
No. of Occupations: 7
No. of Employees: 1891 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 84215
No. of Facilities: 55 (estimated)
No. of Industries: 2
No. of Occupations: 18
No. of Employees: 14190 (estimated)
No. of Female Employees: 6312 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULE
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year:
47,26992,82
EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-8977;8EHQ-0892-8988
EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-9122
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***
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