Detail of "83-32-9"

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CAS Number:
83-32-9
Name:
Acenaphthene
Molecular Structure:
Formula:
C₁₂H₁₀
Molecular Weight:
154.21
Synonyms:
1,8-Ethylenenaphthalene;1,2-Dihydroacenaphthene;
EINECS:
201-469-6
Density:
1.043 g/cm³
Melting Point:
90-94 °C(lit.)
Boiling Point:
278.999 °C at 760 mmHg
Flash Point:
135.257 °C
Solubility:
0.000347 g/100 mL in water
Appearance:
white or pale yellow crystalline powder
Hazard Symbols:
Xi, N, T, F, Xn
Risk Codes:
36/37/38-50/53-39/23/24/25-23/24/25-11-52/53-67-65-38
Safety:
26-36/37/39-60-61-37/39-45-36/37-16-7-62-36 Details
Transport Information:
UN 3077 9/PG 3

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Reference

The relative effectiveness of aromatic solvents in the liquefaction of brown coal and bituminous coal: The relative effectiveness of aromatic solvents in the liquefaction of brown coal and bituminous coal. Kamiya, Y.; Nagae, S.; Yao, T. (Fac. Eng., Univ. Tokyo, Tokyo 113, Japan). Proc. - Int. Conf. Coal Sci., 184-7. Cent. Conf. Manage.: Pittsburgh, Pa. (English) 1983. CODEN: 53NIA5. DOCUMENT TYPE: Conference CA Section: 51 (Fossil Fuels, Derivatives, and Related Products) Section cross-reference(s): 25 The reactivities of H-donor solvents used in coal liquefaction were evaluated in ref. to Tetralin (I) [119-64-2], a std. donor solvent. The activity of strong H-donor solvents increased in the following order: I < 1,2,3,4,5,6,7,8-octahydroanthracene [1079-71-6] < 1,2,3,4-tetrahydro-6-naphthol [1125-78-6] < 1,2,3,4-tetrahydroquinoline [635-46-1] < n9,10-dihydrophenanthrene (II) [776-35-2] < 9,10-dihydroanthracene (III) [613-31-0]. Solvents weaker than I include acenaphthene [83-32-9], Decalin [91-17-8], 1-methylnaphthalene [90-12-0], pyrene [129-00-0], indan [496-11-7], and fluorene [86-73-7]. II and III were ~12 times as reactive as I in coal liquefaction but ~4 times as reactive toward free radicals (produced the in-situ thermal cracking of PhCH2OPh [946-80-5] and PhCH2CO2CH2Ph [102-16-9]).

Determination of the amount of free acenaphthene, phenol, formaldehyde, and water by a gas-chromatographic method: Determination of the amount of free acenaphthene, phenol, formaldehyde, and water by a gas-chromatographic method. Matveev, V. A.; Nevskii, V. M.; Gutsalyuk, V. G. (USSR). Plast. Massy, (12), 43 (Russian) 1984. CODEN: PLMSAI. ISSN: 0554-2901. DOCUMENT TYPE: Journal CA Section: 37 (Plastics Manufacture and Processing) Gas chromatog. was used for the detn. of acenaphthene (I) [83-32-9], PhOh [108-95-2], HCHO [50-00-0], and H2O of PhOH-HCHO resin [9003-35-4] and acenaphthene-PhOH-HCHO resin [27308-72-1] during prepn. in dioxane in the presence of acid catalysts. A thermal cond. detector was used for the detn. of H2O and HCHO, and a flame-ionization detector for the detn. of I and PhOH. The concn. ranges were 0.01-2 mol/L for PhOH, I, and HCHO and 0-3 mol/L for H2O. The method was used to det. the polycondensation kinetics at different conversion stages.

Detail of "83-32-9"

Acenaphthene

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