Detail of "110-06-5"

MSDS Download
CAS Number:
110-06-5
Name:
Di-tert-butyl disulphide
Superlist Name:
tert-Butyl disulfide
Molecular Structure:
Formula:
C₈H₁₈S₂
Molecular Weight:
178.36
Synonyms:
t-butyl disulfide;2-methyl-2-tert-butyldisulfanyl-propane;Di-tert-Butyl Disulfide;Disulfide, bis(1,1-dimethylethyl);
EINECS:
203-734-1
Density:
0.945 g/cm³
Melting Point:
-5 °C
Boiling Point:
200.5 °C at 760 mmHg
Flash Point:
62.2 °C
Hazard Symbols:
Risk Codes:
51/53
Safety:
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Effect of organic sulfur compounds on cetane number: Effect of organic sulfur compounds on cetane number. Bowden, J. N.; Frame, E. A. (Army Fuels Lubr. Res. Lab., Southwest Res. Inst., San Antonio, TX 78284, USA). Prepr. - Am. Chem. Soc., Div. Pet. Chem., 30(2), 314-20 (English) 1985. CODEN: ACPCAT. ISSN: 0569-3799. DOCUMENT TYPE: Journal CA Section: 51 (Fossil Fuels, Derivatives, and Related Products) Of the org. S compds. investigated, only the disulfides and polysulfides increased the cetane no. of the base fuel. The other materials had no effect on cetane no. Addn. of tert-butyl disulfide (I) [110-06-5] to a diesel fuel, Jet A, and a low-cetane-no. blend in equal concns. increased the cetane nos. by ~4 for the diesel fuel and 6 for the other lighter fuels. The increase in cetane nos. produced by the different disulfides and the polysulfide was not proportional to the S concn. in the fuel, but was influenced by the mol. structure of the added compd. Thiophene should be considered as a possible substitute for I to raise the S concn. in test fuels. This material has no effect on cetane no., carbon residue or accelerated stability of the base fuel.

A study of various factors which affect air impurities by diesel motor emissions: A study of various factors which affect air impurities by diesel motor emissions. Czencz, Maria; Suto, Jozsef; Szebenyi, Imre; Szabo, Otto (Tech. Univ. Budapest, Budapest, Hung.). Period. Polytech., Chem. Eng., 21(1), 103-14 (German) 1977. CODEN: PDPTAE. DOCUMENT TYPE: Journal CA Section: 59 (Air Pollution and Industrial Hygiene) In lab. expts. with model fuels, the order of smoke formation by aroms., as characterized by the smoke point, was dodecylbenzene [123-01-3], PhMe [108-88-3], C6H6 [71-43-2], and a-methylnaphthalene [90-12-0]. The order among classes of compds. was paraffins, naphthenes, aroms. Among compds. of the same class, the tendency increased with increasing mol. wt. Among the several S compds. tested, only di-tert-Bu2S2 [110-06-5] increased the smoke tendency to a noticeable degree. The relation between the smoke point (SP), av. mol. wt. of fuel, and H content was given by the equation, SP = ao + a1M + a2H%, where ao, a1, and a2 are const. Fuels contg. naphthalene gave in an operating diesel motor, exhausts in which the soot increased with increasing the naphthalene content. The addn. of the smoke reducing aagent FINA SLD (a superbasic alkylbenzenesulfonate contg. 19% Ba) to the fuel reduced soot content and increased the polycyclic hydrocarbons level. Emitted Ba compds. are hazardous to the environment.