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CAS No 140-57-8 , 1-(4-tert-butylphenoxy)propan-2-yl 2-chloroethyl sulfite

  • Name: 1-(4-tert-butylphenoxy)propan-2-yl 2-chloroethyl sulfite
  • Synonyms: Aracide; Ortho-Mite;1-(4-tert-butylphenoxy)propan-2-yl 2-chloroethyl sulfite;Niagaramite; Aratron; Aramit; Compound 88R; Acaracide; Aramiteararamite-15W; Aramite-15W;
  • CAS Registry Number:
  • Transport: UN 1208 3/PG 2
  • Melting Point: -31.7
  • Flash Point: 211.6°C
  • Boiling Point: 426.2°Cat760mmHg
  • Density: 1.195g/cm3
  • Refractive index: 1.533
  • Safety Statements: Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Experimental poison by intraperitoneal route. Moderately toxic to humans by ingestion. Moderately toxic experimentally by ingestion. Experimental reproductive effects. A pesticide. When heated to decomposition it emits toxic fumes of Cl− and SOx. See also ESTERS and SULFUROUS ACID.
  • Hazard Symbols: F: Flammable;Xn: Harmful;
  • Flash Point: 211.6°C
  • Molecular Weight: 334.85872
  • InchiKey: YKFRAOGHWKADFJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H23ClO4S/c1-12(20-21(17)19-10-9-16)11-18-14-7-5-13(6-8-14)15
    (2,3)4/h5-8,12H,9-11H2,1-4H3
  • Risk Statements: 11-36/37/38-48/20-62-40
  • Molecular Formula: C15H23ClO4S
  • Molecular Structure:CAS No:140-57-8 1-(4-tert-butylphenoxy)propan-2-yl 2-chloroethyl sulfite

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References of 1-(4-tert-butylphenoxy)propan-2-yl 2-chloroethyl sulfite
Title: Aramite? (Uniroyal)
CAS Registry Number: 140-57-8
CAS Name: Sulfurous acid 2-chloroethyl 2-[4-(1,1-dimethylethyl)phenoxy]-1-methylethyl ester
Synonyms: sulfurous acid 2-(p-tert-butylphenoxy)-1-methylethyl 2-chloroethyl ester; 2-chloroethyl 1-methyl-2-(p-tert-butylphenoxy)ethyl sulfite; 2-(p-tert-butylphenoxy)isopropyl 2-chloroethyl sulfite; b-chloroethyl b-(p-tert-butylphenoxy)-a-methylethyl sulfite
Manufacturers' Codes: compd 88R; ENT-16519
Trademarks: Niagaramite (FMC)
Molecular Formula: C15H23ClO4S
Molecular Weight: 334.86
Percent Composition: C 53.80%, H 6.92%, Cl 10.59%, O 19.11%, S 9.58%
Literature References: Prepn: Harris et al., US 2529494 (1950 to U.S. Rubber). Toxicology: B. L. Oser, M. Oser, Toxicol. Appl. Pharmacol. 2, 441 (1960). Carcinogenicity studies: eidem, ibid. 4, 70 (1962); Truhaut et al., C.R. Seances Acad. Sci. Ser. D 281, 599 (1975).
Properties: Liquid. d 1.1450 to 1.1620. mp -31.7°. bp0.1 175°; bp7.0 200-210°. Vapor tension at 25°: <10 mm. nD20 1.5100 to 1.5118; nD27 1.5075. Practically insol in water. Misc with many organic solvents. Soly in petroleum oils decreases rapidly with decreasing temperatures. LD50 orally in rats: 3.90±0.28 g/kg (Oser, Oser).
Melting point: mp -31.7°
Boiling point: bp0.1 175°; bp7.0 200-210°
Index of refraction: nD20 1.5100 to 1.5118; nD27 1.5075
Density: d 1.1450 to 1.1620
Toxicity data: LD50 orally in rats: 3.90±0.28 g/kg (Oser, Oser)
CAUTION: Direct contact with undiluted form or concentrated solutions may cause irritation of skin and conjunctiva. See: Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) Section II, p 289. This substance has been listed as reasonably anticipated to be a carcinogen: Fourth Annual Report on Carcinogens (NTP 85-002, 1985) p 26; delisted because no U.S. residents exposed: Fifth Annual Report on Carcinogens (NTP 89-239, 1989) p 340.
Use: Miticide.
 
 
Status: This monograph has been retired and is no longer subject to revision or update.