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MSDS  : Mercury, (hydrogen phosphato)bis(ethyl-
CAS  : 2440-45-1
SYNONYMS  : * Bis(ethylmercuri)phosphate * Bis-(ethylmerkuri)hydrogenfosfat * Mercury, diethyl(mu-(phosphato)(2-)-O:O')di-
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : OW4375000
CHEMICAL NAME : Mercury, (hydrogen phosphato)bis(ethyl-
CAS REGISTRY NUMBER : 2440-45-1
BEILSTEIN REFERENCE NO. : 3949834
LAST UPDATED : 199712
DATA ITEMS CITED : 26
MOLECULAR FORMULA : C4-H11-Hg2-O4-P
MOLECULAR WEIGHT : 555.30
WISWESSER LINE NOTATION : 2-HG-O 2PQO
COMPOUND DESCRIPTOR : Agricultural Chemical
Organometallic
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Bis(ethylmercuri)phosphate
* Bis-(ethylmerkuri)hydrogenfosfat
* Mercury, diethyl(mu-(phosphato)(2-)-O:O')di-

*** 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 : 30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PCOC** Pesticide Chemicals Official Compendium, Association of the American
Pesticide Control Officials, Inc., 1966. (Topeka, KS)
Volume(issue)/page/year: -,516,1966

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
New York, Inc., 1971 Volume(issue)/page/year: -,288,1971

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon
Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho,
Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year:
58,235,1962

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 15 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon
Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho,
Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year:
58,235,1962

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 88 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory
change
Lungs, Thorax, or Respiration - dyspnea
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
KUMJAX Kumamoto Medical Journal. (Kumamoto Univ. Medical School, 2-2-1
Honjo, Kumamoto 860, Japan) V.1- 1938- Volume(issue)/page/year:
14,65,1961

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE : 40 mg/kg
SEX/DURATION : female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - cytological changes (including
somatic cell genetic material)
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
REFERENCE :
NISFAY Nippon Sanka Fujinka Gakkai Zasshi. Journal of the Japan Society of
Obstetrics and Gynecology. (Nippon Sanka Fujinka Gakkai Zasshi, Hoken
Kaikan Bekkan, 1-1 Sadohara-cho, Ichigaya, Shijuku-ku, Tokyo 162, Japan)
V.1- 1949- Volume(issue)/page/year: 20,1479,1968

*** REVIEWS ***

ACGIH TLV-TWA 0.01 mg(Hg)/m3; STEL 0.03 mg/m3
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:TWA 0.001 ppm (0.01 mg(Hg)/m3)
DTLWS* "Documentation of the Threshold Limit Values for Substances in
Workroom Air," Supplements. For publisher information, see 85INA8.
Volume(issue)/page/year: 3,22,1973

OSHA PEL (Gen Indu):8H TWA 0.01 mg(Hg)/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 0.01 mg(Hg)/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):8H TWA 0.01 mg(Hg)/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):8H TWA 0.01 mg(Hg)/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-AUSTRALIA:TWA 0.01 mg(Hg)/m3;STEL 0.03 mg(Hg)/m3;Skin JAN 1993

OEL-BELGIUM:TWA 0.01 mg(Hg)/m3;STEL 0.03 mg(Hg)/m3;Skin JAN 1993

OEL-DENMARK:TWA 0.01 mg(Hg)/m3;Skin JAN 1993

OEL-FINLAND:TWA 0.01 mg(Hg)/m3;Skin JAN 1993

OEL-FRANCE:TWA 0.01 mg(Hg)/m3;Skin JAN 1993

OEL-THE NETHERLANDS:TWA 0.01 mg(Hg)/m3;STEL 0.02 mg(Hg)/m3;Skin JAN 1993

OEL-THE PHILIPPINES:TWA 0.01 mg(Hg)/m3 JAN 1993

OEL-RUSSIA:STEL 0.005 mg/m3 JAN 1993

OEL-SWEDEN:TWA 0.01 mg(Hg)/m3;Skin JAN 1993

OEL-THAILAND:TWA 0.01 mg(Hg)/m3;STEL 0.04 mg(Hg)/m3 JAN 1993

OEL-TURKEY:TWA 0.01 mg(Hg)/m3;Skin JAN 1993

OEL-UNITED KINGDOM:TWA 0.01 mg(Hg)/m3;STEL 0.03 mg(Hg)/m3;Skin JAN 1993

OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV

OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV


*** END OF RECORD ***
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