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1553-60-2

1553-60-2 structure

1553-60-2 structure

Name: Ibufenac
Chemical Name: ibufenac
CAS Number: 1553-60-2
Molecular Formula: C₁₂H₁₆O₂
Molecular Weight: 192.254
Create Date: 2018-02-21 08:00:00
Modify Date: 2026-07-01 14:00:49
Ibufenac (Dytransin), a non-steroidal anti-rheumatoid agent, can be used as an analgesic and anti-inflammatory agent[1].

Name	ibufenac
Synonyms	4-(2-methylpropyl)benzeneaceticacid [4-(2-methylpropyl)phenyl]acetic acid 4-(2-methylpropyl)-benzeneaceticaci (p-isobutylphenyl)-aceticaci (p-isobutylphenyl)aceticacid 4-(2-Methylpropyl)benzeneaceticAcid,Dytransin,Ibunac Benzeneacetic acid,4-(2-methylpropyl) Ibufenac [(p-isobutylphenyl)aceticacid] kyselinap-isobutylfenyloctova p-isobutyl-alpha-toluicacid isodilan 4-Isobutylphenylacetic acid 2-(4-Isobutylphenyl)acetic acid dytransin 2-[4-(2-methylpropyl)phenyl]acetic acid 2-[4-(2-Methylpropyl)phenyl]acetic acid 4-(2-Methylpropyl)phenylacetic Acid medirex ibunac 2-(4-Isobutylphenyl) (4-Isobutylphenyl)acetic acid 4-Isobutoxyphenylacetic Acid

Description	Ibufenac (Dytransin), a non-steroidal anti-rheumatoid agent, can be used as an analgesic and anti-inflammatory agent[1].
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Inflammation/Immunology
References	[1]. S S Adams, et al. Some aspects of the pharmacology of ibufenac, a non-steroidal anti-inflammatory agent. J Pharm Pharmacol. 1968 Apr;20(4):305-12.

Density	1.0±0.1 g/cm3
Boiling Point	312.2±11.0 °C at 760 mmHg
Melting Point	85-87ºC
Molecular Formula	C₁₂H₁₆O₂
Molecular Weight	192.254
Flash Point	209.3±14.4 °C
Exact Mass	192.115036
PSA	37.30000
LogP	3.38
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.525
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AI4200000

CHEMICAL NAME :: Acetic acid, (p-isobutylphenyl)-

CAS REGISTRY NUMBER :: 1553-60-2

LAST UPDATED :: 199801

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C12-H16-O2

MOLECULAR WEIGHT :: 192.28

WISWESSER LINE NOTATION :: QV1R D1Y1&1

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 :: 3 gm/kg

TOXIC EFFECTS :: Biochemical - Metabolism (Intermediary) - effect on inflammation or mediation of inflammation

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 8,481,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 860 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 2,22,1968

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NATUAS Nature. (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736) V.1- 1869- Volume(issue)/page/year: 200,271,1963

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 670 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 8,481,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1130 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 2,22,1968 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 29120 mg/kg/26W-I

TOXIC EFFECTS :: Gastrointestinal - other changes

REFERENCE :: NATUAS Nature. (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736) V.1- 1869- Volume(issue)/page/year: 200,271,1963

Hazard Codes	Xi
RIDADR	NONH for all modes of transport
RTECS	AI4200000
HS Code	2916399090

Precursor 10
60736-79-0 15649-02-2 110-91-8 38861-78-8
36039-35-7 58142-20-4 40150-98-9 4360-68-3
4654-39-1 99-90-1
DownStream 4
51146-56-6 15687-27-1 61566-33-4 38588-43-1

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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