Detail of "2168-93-6"

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CAS Number:
2168-93-6
Name:
Butane,1-(butylsulfinyl)-
Molecular Structure:
Formula:
C8H18 O S
Molecular Weight:
162.29
Synonyms:
Butane,1,1'-sulfinylbis- (9CI); Butyl sulfoxide (6CI,8CI); 1,1'-Sulfinylbis[butane];Di-n-butyl sulfoxide; Dibutyl sulfoxide; n-Butyl sulfoxide
Density:
0.832
Melting Point:
31-34 °C(lit.)
Boiling Point:
250 °C(lit.)
Flash Point:
121.4°C
Safety:
Safety Statements 24/25
WGK Germany 3

RTECS EK5700000

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Assay:98%

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Prevention of polymer deposition during suspension polymerization of vinyl chloride: Prevention of polymer deposition during suspension polymerization of vinyl chloride. Kawasumi, Haruo; Isobe, Yasuji; Hayashi, Hideo; Ito, Masaaki (Toa Gosei Chemical Industry Co., Ltd., Japan). Japan. Kokai JP 51151788 27 Dec 1976 Showa, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C08F014-06. APPLICATION: JP 75-75729 23 Jun 1975. DOCUMENT TYPE: Patent CA Section: 36 (Plastics Manufacture and Processing) Vinyl chloride (I) is suspension polymd. in a reactor coated with >0.0001 g/m2 sulfoxides or sulfones to prevent PVC [9002-86-2] deposition on the reactor during the polymn. Thus, the inside wall and the stirrer of a stainless steel reactor was coated with a mixt. of 100 parts MeOH and 5 parts Bu2SO [2168-93-6] and heated at 50.degree. to form a 0.001-0.01 g/m2 Bu2SO coating. When a mixt. of H2O 1000, partially sapond. poly(vinyl alc.) 0.4, dilauroyl peroxide 0.1, and I 400 kg was stirred 12 h at 67.degree. in the above coated reactor, no PVC was deposited on the reactor or stirrer, compared with 500 g/m2 deposition for a similar run without the Bu2SO coating.

Pyrolysis of hydrocarbons in the presence of sulfur-containing compounds: Pyrolysis of hydrocarbons in the presence of sulfur-containing compounds. Starshov, I. M.; Fakhriev, A. M. (Kazan. Khim.-Tekhnol. Inst., Kazan, USSR). Izv. Vyssh. Uchebn. Zaved., Neft Gaz, 20(8), 49-54 (Russian) 1977. CODEN: IVUNA2. DOCUMENT TYPE: Journal CA Section: 51 (Fossil Fuels, Derivatives, and Related Products) Addn. of 0.05-0.10 wt.% S as S or S-contg. compds. to the feedstock reduced coke formation and increased the yield of C2H4 [74-85-1] and propylene [115-07-1] in pyrolysis of n-heptane [142-82-5] or straight-run gasoline (b. 60-120°, d. 0.6840, contg. 0.006 wt.% S) at 800° or of a C3H8 [74-98-6] conc. (contg. CH4 0.42, C2H6 2.62, C3H8 93.07, n-butane 2.28, and isobutane 1.61 vol.%) at 830°. Thus, addn. of 0.20 wt.% S as Me2SO [67-68-5] reduced coke formation in the pyrolysis of the gasoline from 3.60 to 0.12 wt.%. The other S-contg. additives were Bu2SO [2168-93-6], Me2S2 [624-92-0], sulfides from diesel fuels, thiophene [110-02-1], elemental S, aq. Na2S, (NH4)2S, Na2S2O3, (NH4)2S2O8, KHS2O4, elemental S with H2O, and Me2SO with H2O.