SULFOLANE (TETRAMETHYLENE SULFONE)

SULFOLANE
PRODUCT IDENTIFICATION
CAS NO.	126-33-0
EINECS NO.	204-783-1
FORMULA	C₄H₈O₂S
MOL WT.	120.17
H.S. CODE	2934.90
TOXICITY	Oral rat LD50: 1941 mg/kg
SYNONYMS	2,3,4,5-Tetrahydrothiophene-1,1-dioxide; Sulpholane;
Tetrahydrothiophene-1,1-dioxide; Tetramethylene sulfone; Cyclic tetramethylene sulfone; Cyclotetramethylene sulfone; Sulfolan; Tetrahydrothiophene dioxide; Thiacyclopentane dioxide; Thiophan sulfone; Thiophane dioxide; Dioxothiolan; 1,1-Dioxothiolan; Thiophene, Dihydrobutadiene sulfone; Sulfalone; 1,1-Dioxide tetrahydrothiofuran; Sulphoxaline; Thiocyclopentane-1,1-dioxide; Thiolane-1,1-dioxide; 1,1-Dioxidetetrahydrothiophene; Dihydrobutadiene sulphone; 1,1-Dióxido de tetrahidrotiofeno (Spanish); 1,1-dioxyde de tétrahydrothiophène (French);
SMILES
CLASSIFICATION
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE	Clear colourless liquid
MELTING POINT	27.5 C
BOILING POINT	285 C
SPECIFIC GRAVITY	1.261
SOLUBILITY IN WATER	Completely soluble
pH
AUTOIGNITION	528 C
NFPA RATINGS	Health: 2; Flammability: 1; Reactivity: 0
REFRACTIVE INDEX
FLASH POINT	165 C
STABILITY	Stable under ordinary conditions
APPLICATIONS
Sulfolane is used as a extraction as well as a reaction solvent. It is used to separate aromatic hydrocarbons (benzene, toluene and xylenes), It is used to separate n-propyl alcohol and sec-butyl alcohol. It is used to purify natural gas streams and for fractionation of fatty acids into saturated and unsaturated components. It is used as a reaction solvent for the preparation of aromatic sulfonic acids, pyridines, isocyanates and pharmaceuticals. It can also be involved in the halogen exchange process and polymerization process. It is used as a plasticizer and curing agent.
SALES SPECIFICATION
APPEARANCE	Clear colourless liquid
DISTILLATION RANGE	IBP : 282 C
	DP : 288 C
DENSITY	1.26 - 1.27
SULFUR	16.0 - 27.0%
WATER	3.0% max
ASH	0.1% max
TRANSPORTATION
PACKING	250kgs in Drum, Iso-Tank
HAZARD CLASS
UN NO.
OTHER INFORMATION
`Hazard Symbols: XN, Risk Phrases: 22, Safety Phrases: 23-25`
GENERAL APPLICATION OF ORGANOSULFUR COMPOUNDS
Organosulfur compounds are widely used in refineries, steamcrackers, aromatic extraction and petrochemical manufacturing as they acts as; Hydrotreating catalysts Initial catalyst improvers Sulfur sources Catalyst presulfiding Natural gas sulfur recovery Organosulfur compounds are also used in; Organic synthesis as organosulfur sources into target organic molecules for the manufacture of pharmaceuticals, adhesives biocides and agricultural products. Polymer production Lubricant and fuel additives for extreme pressure functionality Extraction and reaction solvent Metal treatment Fungicide