4,5,6-trichloro-3H-1,3-benzoxazol-2-one

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Names

[ CAS No. ]:
50995-94-3

[ Name ]:
4,5,6-trichloro-3H-1,3-benzoxazol-2-one

[Synonym ]:
4,5,6-trichloro-3H-benzooxazol-2-one
4,5,6-trichlorobenzoxazolin-2-one
4,5,6-Trichlorobenzoxazolinone

Chemical & Physical Properties

[ Density]:
1.728g/cm3

[ Molecular Formula ]:
C₇H₂Cl₃NO₂

[ Molecular Weight ]:
238.45500

[ Exact Mass ]:
236.91500

[ PSA ]:
46.26000

[ LogP ]:
3.49360

[ Index of Refraction ]:
1.628

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM5289000

CHEMICAL NAME :: 2(3H)-Benzoxazolone, 4,5,6-trichloro-

CAS REGISTRY NUMBER :: 50995-94-3

LAST UPDATED :: 199612

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C7-H2-Cl3-N-O2

MOLECULAR WEIGHT :: 238.45

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 :: 1 gm/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(5),49,1988

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1805 mg/m3

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 51(1),73,1986

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1200 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 51(1),73,1986

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 230 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(5),49,1988

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 680 mg/m3/2H

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(5),49,1988

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 240 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 51(1),73,1986

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 460 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(5),49,1988

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 700 mg/m3/2H

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 32(5),49,1988

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 460 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 51(1),73,1986

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

(3aR,7aS)-3a,4,5,6,7,7a-hexahydro-3H-1,3-benzoxazol-2-one
5-(diethylamino)-6-(4,5,6,7-tetrahydro-3H-1,3-benzoxazol-2-ylidene)cyclohexa-2,4-dien-1-one
2(3H)-Benzoxazolone,4,5,7-trichloro-
6-(3H-1,3-benzoxazol-2-ylidene)-2,3,4,5-tetrafluorocyclohexa-2,4-dien-1-one
N-[(4E)-4-(5,6-dimethyl-3H-1,3-benzoxazol-2-ylidene)-3-oxocyclohexa-1,5-dien-1-yl]butanamide
3-ethyl-3a,4,5,6,7,7a-hexahydro-1,3-benzoxazol-2-one
(2S)-3-cyclopropyl-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2,3-trimethylbutanamido]propanoic acid
3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[methyl(2,3,3-trimethylbutyl)carbamoyl]propanoic acid
3-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanamido]-2,2-difluoropropanoic acid
2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(propan-2-yl)butanamido]-3-methoxy-2-methylpropanoic acid
(2S)-2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]hexanoic acid
2-(2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-iodophenyl]formamido}ethoxy)acetic acid
2-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}-2-methylpentanoic acid
(2S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4,4-trifluorobutanamido]-2-hydroxypropanoic acid
1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]piperidine-2-carboxylic acid
2-{1-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]pyrrolidin-2-yl}acetic acid

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