Preferred name | phenyl butazone |
Trivial Name | Phenylbutazone |
Short Description | 4-butyl-1,2-diphenylpyrazolidine-3,5-dione |
Formula | C19 H20 N2 O2 |
CAS Number | 50-33-9 |
Deleted CAS Number | 4297-92-1 |
ECHA Number | 200-029-0 |
FDA UNII | GN5P7K3T8S |
Nikkaji Number | J792G |
Beilstein Number | 0290080 |
MDL | MFCD00005500 |
Bio Activity Summary | External link |
NMR Predictor | External link |
Synonyms |
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4-butyl-1,2-diphenylpyrazolidine-3,5-dione | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 50-33-9 |
Pubchem (cid): | 4781 |
Pubchem (sid): | 134971182 |
(IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
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(IUPAC): | Periodic Table of the Elements |
CHEBI: | View |
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KEGG (GenomeNet): | C07440 |
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Export Tariff Code: | 2933.19.4000 |
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Formulations/Preparations: •phenylbutazone tablets containing 100 mg and 1000 mg of active ingredient are available for oral administration to dogs and horses, respectively, for treatment of inflammation associated with the musculoskeletal system. phenylbutazone solution for intravenous injection contains 200 mgml of active ingredient and is indicated for the relief of inflammation associated with the musculoskeletal system of the horse. •grade: national formulary •oral capsules, 100 mg; phenylbutazone capsules, barr, cmc, interstate, major, rugby; tablets film-coated, 100 mg; phenylbutazone tablets, barr, cmc, interstate, major, rugby, united research. |
BOC Sciences | Glentham Life Sciences |
Santa Cruz Biotechnology | Sigma-Aldrich: Sigma |
Glentham Life Sciences Ltd |
Material listed in food chemical codex | No |
Molecular weight | 308.38079833984 |
Vapor Pressure | 6.38 mmHg @ 25 °C |
Flash Point TCC Value | 174.3 °C TCC |
logP (o/w) | 3.16 |
Solubility | |
water, 47.5 mg/L @ 30 °C (exp) | Yes |
water, 21.95 mg/L @ 25 °C (est) | Yes |
Preferred SDS: View | |
Hazards identification | |
Classification of the substance or mixture | |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
None found. | |
GHS Label elements, including precautionary statements | |
Pictogram | |
Hazard statement(s) | |
None found. | |
Precautionary statement(s) | |
None found. | |
Oral/Parenteral Toxicity: | |
intravenous-cat LD50 100 mg/kg Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 36, 1969. intravenous-dog LD50 121 mg/kg BEHAVIORAL: ANALGESIA Archives Internationales de Pharmacodynamie et de Therapie. Vol. 149, Pg. 571, 1964. oral-dog LD50 332 mg/kg BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Oyo Yakuri. Pharmacometrics. Vol. 20, Pg. 265, 1980. oral-guinea pig LD50 250 mg/kg Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 1207, 1969. oral-hamster LD50 1260 mg/kg Archives of Toxicology, Supplement. Vol. 7, Pg. 365, 1984. intraperitoneal-mammal (species unspecified) LD50 300 mg/kg BEHAVIORAL: ANALGESIA European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 21, Pg. 277, 1986. oral-mammal (species unspecified) LD50 700 mg/kg BEHAVIORAL: ANALGESIA European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 21, Pg. 277, 1986. oral-man TDLo 17500 ug/kg/3W KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)" KIDNEY, URETER, AND BLADDER: URINE VOLUME DECREASED Annals of Internal Medicine. Vol. 41, Pg. 1075, 1954. oral-man TDLo 2426 mg/kg/24H LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Annals of Emergency Medicine. Vol. 20, Pg. 204, 1991. unreported-man TDLo 200 mg/kg/5W-I KIDNEY, URETER, AND BLADDER: HEMATURIA KIDNEY, URETER, AND BLADDER: URINE VOLUME DECREASED VASCULAR: BP ELEVATION NOT CHARACTERIZED IN AUTONOMIC SECTION British Medical Journal. Vol. 282, Pg. 950, 1981. intramuscular-mouse LD50 430 mg/kg BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 97, 1977. intraperitoneal-mouse LD50 128 mg/kg Pharmaceutical Chemistry Journal Vol. 19, Pg. 33, 1985. intravenous-mouse LD50 90 mg/kg Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 36, 1969. oral-mouse LD50 238 mg/kg Pharmacological Research Communications. Vol. 18, Pg. 241, 1986. unreported-mouse LD50 128 mg/kg Farmatsevtichnii Zhurnal Vol. (5), Pg. 26, 1983. intravenous-rabbit LD50 146 mg/kg BEHAVIORAL: ATAXIA LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Arzneimittel-Forschung. Drug Research. Vol. 10, Pg. 129, 1960. oral-rabbit LD50 781 mg/kg BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA Oyo Yakuri. Pharmacometrics. Vol. 20, Pg. 265, 1980. intramuscular-rat LD50 220 mg/kg Arzneimittel-Forschung. Drug Research. Vol. 10, Pg. 665, 1960. intraperitoneal-rat LD50 142 mg/kg Farmaco, Edizione Scientifica. Vol. 14, Pg. 347, 1959. intravenous-rat LD50 100 mg/kg Arzneimittel-Forschung. Drug Research. Vol. 10, Pg. 665, 1960. oral-rat LD50 245 mg/kg BEHAVIORAL: ANALGESIA Archives Internationales de Pharmacodynamie et de Therapie. Vol. 123, Pg. 48, 1959. | |
Dermal Toxicity: | |
subcutaneous-mouse LD50 230 mg/kg Journal of Pharmacy and Pharmacology. Vol. 7, Pg. 1022, 1955. subcutaneous-rat LD50 230 mg/kg BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Oyo Yakuri. Pharmacometrics. Vol. 6, Pg. 1285, 1972. | |
Inhalation Toxicity: | |
Not determined |
Category: | |||
pharmaceuticals / chemical synthisis | |||
Recommendation for phenyl butazone usage levels up to: | |||
not for fragrance use. | |||
Recommendation for phenyl butazone flavor usage levels up to: | |||
not for flavor use. |
European Food Safety Authority (EFSA) reference(s): |
Joint Statement of EFSA and EMA on the presence of residues of phenylbutazone in horse meat View page or View pdf |
EPI System: View |
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EPA Substance Registry Services (TSCA):50-33-9 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :4781 |
National Institute of Allergy and Infectious Diseases:Data |
WGK Germany:3 |
4-butyl-1,2-diphenylpyrazolidine-3,5-dione |
Chemidplus:0000050339 |
EPA/NOAA CAMEO:hazardous materials |
RTECS:UQ8225000 for cas# 50-33-9 |