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  • Product Name: Roxarsone
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121-19-7

121-19-7 structure
121-19-7 structure
  • Name: Roxarsone
  • Chemical Name: Roxarsone
  • CAS Number: 121-19-7
  • Molecular Formula: C6H6AsNO6
  • Molecular Weight: 263.036
  • Catalog: Chemical reagent Organic reagent Nitro compound
  • Create Date: 2018-09-26 11:47:58
  • Modify Date: 2024-01-01 18:57:04
  • Roxarsone is an organoarsenic compound that is widely used in poultry production as a feed additive to increase weight gain and improve feed efficiency, and as a coccidiostat.

Name Roxarsone
Synonyms Ristat
EINECS 204-453-7
(4-hydroxy-3-nitrophenyl)arsonic acid
Ren-O-sal
4-Hydroxy-3-nitrophenylarsonic Acid
4-hydroxy-3-nitro-phenylarsonic acid
3N4hpa
3-Nitro-10
4-hydroxyl-3-nitrophenylarsenic acid
Aklomix-3
4-Hydroxy-3-nitrobenzenearsonic acid
3-Nitro
MFCD00007112
Description Roxarsone is an organoarsenic compound that is widely used in poultry production as a feed additive to increase weight gain and improve feed efficiency, and as a coccidiostat.
Related Catalog
Boiling Point 537.3±60.0 °C at 760 mmHg
Melting Point ≥300 °C(lit.)
Molecular Formula C6H6AsNO6
Molecular Weight 263.036
Flash Point 240.3±21.3 °C
Exact Mass 262.941101
PSA 123.58000
LogP -0.51
Vapour Pressure 0.0±1.5 mmHg at 25°C
Water Solubility <0.1 g/100 mL at 23 ºC

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CY5250000
CHEMICAL NAME :
Benzenearsonic acid, 4-hydroxy-3-nitro-
CAS REGISTRY NUMBER :
121-19-7
BEILSTEIN REFERENCE NO. :
1976533
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

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
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
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
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
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
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
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
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
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
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
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
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
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
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

MUTATION DATA

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)
Symbol GHS06 GHS09
GHS06, GHS09
Signal Word Danger
Hazard Statements H301 + H331-H410
Precautionary Statements P261-P273-P301 + P310-P311-P501
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T:Toxic;N:Dangerousfortheenvironment;
Risk Phrases R23/25;R50/53
Safety Phrases 20/21-28-45-60-61
RIDADR UN 3465 6.1/PG 2
WGK Germany 3
RTECS CY5250000
Packaging Group III
Hazard Class 6.1(b)
HS Code 2931900029
HS Code 2931900029
Summary 2931900029 (4-hydroxy-3-nitrophenyl)arsonic acid。supervision conditions:x(environment control release notice for poisonous chemicals)。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:6.5%。general tariff:30.0%