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MSDS  : Benzenearsonic acid, 4-hydroxy-3-nitro-
CAS  : 121-19-7
SYNONYMS  : * Aklomix-3 * Arsonic acid, (4-hydroxy-3-nitrophenyl)- * 4-Hydroxy-3-nitrobenzenearsonic acid * 4-Hydroxy-3-nitrophenylarsonic acid * Kyselina 4-hydroxy-3-nitrofenylarsonova * NCI-C56508 * 3-Nitro-10 * 3-Nitro-20 * 3-Nitro-50 * 3-Nitro-80 * 2-Nitro-1-hydroxybenzene-4-arsonic acid * 3-Nitro-4-hydroxybenzenearsonic acid * 3-Nitro-4-hydroxyphenylarsonic acid * Nitrophenolarsonic acid * NSC-2101 * Ren O-sal * Ristat * Roxarsone
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : CY5250000
CHEMICAL NAME : Benzenearsonic acid, 4-hydroxy-3-nitro-
CAS REGISTRY NUMBER : 121-19-7
BEILSTEIN REFERENCE NO. : 1976533
REFERENCE : 4-16-00-01188 (Beilstein Handbook Reference)
LAST UPDATED : 199701
DATA ITEMS CITED : 44
MOLECULAR FORMULA : C6-H6-As-N-O6
MOLECULAR WEIGHT : 263.05
WISWESSER LINE NOTATION : WNR BQ E-AS-QQO
COMPOUND DESCRIPTOR : Agricultural Chemical
Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* Aklomix-3
* Arsonic acid, (4-hydroxy-3-nitrophenyl)-
* 4-Hydroxy-3-nitrobenzenearsonic acid
* 4-Hydroxy-3-nitrophenylarsonic acid
* Kyselina 4-hydroxy-3-nitrofenylarsonova
* NCI-C56508
* 3-Nitro-10
* 3-Nitro-20
* 3-Nitro-50
* 3-Nitro-80
* 2-Nitro-1-hydroxybenzene-4-arsonic acid
* 3-Nitro-4-hydroxybenzenearsonic acid
* 3-Nitro-4-hydroxyphenylarsonic acid
* Nitrophenolarsonic acid
* NSC-2101
* Ren O-sal
* Ristat
* Roxarsone

*** 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 : 81 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 66 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness
Gastrointestinal - other changes
Kidney, Ureter, Bladder - interstitial nephritis
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 244 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 50 mg/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
Liver - hepatitis (hepatocellular necrosis), diffuse
Kidney, Ureter, Bladder - hematuria
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 110 mg/kg
TOXIC EFFECTS :
Gastrointestinal - other changes
Blood - hemorrhage
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 34 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Gastrointestinal - other changes
Liver - hepatitis (hepatocellular necrosis), diffuse
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - turkey
DOSE/DURATION : 61 mg/kg
TOXIC EFFECTS :
Gastrointestinal - other changes
Blood - hemorrhage
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2647 mg/kg/13W-C
TOXIC EFFECTS :
Behavioral - food intake (animal)
Related to Chronic Data - death
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 11200 mg/kg/14D-C
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1680 mg/kg/14D-C
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 8736 mg/kg/13W-C
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - bronchiolar dilation
Liver - changes in liver weight
Related to Chronic Data - death
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 3625 mg/kg/13W-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight
Blood - hemorrhage
Related to Chronic Data - death
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
5,507,1963

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - turkey
DOSE/DURATION : 2019 mg/kg/36D-C
TOXIC EFFECTS :
Peripheral Nerve and Sensation - structural change in nerve or sheath
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Related to Chronic Data - death
REFERENCE :
RVTSA9 Research in Veterinary Science. (British Veterinary Assoc., 7
Mansfield St., London W1M OAT, UK) V.1- 1960- Volume(issue)/page/year:
16,336,1974

** TUMORIGENIC DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2920 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Gastrointestinal - tumors
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

** MUTATION DATA **

TYPE OF TEST : DNA damage
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 4 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 368,59,1996

TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 400 mg/L
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,1989

*** REVIEWS ***

TOXICOLOGY REVIEW
85DHAX "Medical and Biologic Effects of Environmental Pollutants Series,"
Washington, DC, National Academy of Sciences, 1972-77
Volume(issue)/page/year: As,-,1977

*** U.S. STANDARDS AND REGULATIONS ***

MSHA STANDARD-air:TWA 0.5 mg(As)/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: 3,16,1971

OSHA PEL (Gen Indu):8H TWA 0.5 mg(As)/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 0.5 mg(As)/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 0.5 mg(As)/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 0.5 mg(As)/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

*** OCCUPATIONAL EXPOSURE LIMITS ***

OEL-ARAB Republic of Egypt:TWA 0.2 mg(As)/m3 JAN 1993

OEL-AUSTRALIA:TWA 0.05 mg(As)/m3;Carcinogen JAN 1993

OEL-BELGIUM:TWA 0.2 mg(As)/m3 JAN 1993

OEL-DENMARK:TWA 0.05 mg(As)/m3 JAN 1993

OEL-FINLAND;Carcinogen JAN 1993

OEL-FRANCE:TWA 0.2 mg(As)/m3 JAN 1993

OEL-HUNGARY:STEL 0.5 mg(As)/m3;Carcinogen JAN 1993

OEL-INDIA:TWA 0.2 mg(As)/m3 JAN 1993

OEL-THE PHILIPPINES:TWA 0.5 mg(As)/m3 JAN 1993

OEL-POLAND:TWA 0.3 mg(As)/m3 JAN 1993

OEL-SWEDEN:TWA 0.03 mg(As)/m3;Carcinogen JAN 1993

OEL-SWITZERLAND:TWA 0.1 mg(As)/m3;Carcinogen JAN 1993

OEL-THAILAND:TWA 0.5 mg(As)/m3 JAN 1993

OEL-TURKEY:TWA 0.5 mg(As)/m3 JAN 1993

OEL-UNITED KINGDOM:TWA 0.2 mg(As)/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 OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - M0637
No. of Facilities: 21 (estimated)
No. of Industries: 1
No. of Occupations: 2
No. of Employees: 124 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - M0637
No. of Facilities: 210 (estimated)
No. of Industries: 1
No. of Occupations: 6
No. of Employees: 3230 (estimated)

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY

NTP Carcinogenesis Studies (feed);equivocal evidence;rat
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,89

NTP Carcinogenesis Studies (feed);no evidence;mouse
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-345,89


*** END OF RECORD ***
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