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Name |
Diisobutyl disulfide |
EINECS | 216-177-4 |
CAS No. | 1518-72-5 | Density | 0,942 g/cm3 |
PSA | 50.60000 | LogP | 3.67980 |
Solubility | N/A | Melting Point |
-36.74°C (estimate) |
Formula | C8H18S2 | Boiling Point | 220.6 °C at 760 mmHg |
Molecular Weight | 178.363 | Flash Point | 67.2 °C |
Transport Information | N/A | Appearance | Colorless or light yellow liquid |
Safety | 26-36/37/39 | Risk Codes | 36/37/38 |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Isobutyldisulfide (6CI,7CI,8CI);2,7-Dimethyl-4,5-dithiaoctane;Di(2-methylpropyl)disulfide;Diisobutyl disulfide; |
Article Data | 34 |
The Disulfide,bis(2-methylpropyl) is an organic compound with the formula C8H18S2. The IUPAC name of this chemical is 2-Methyl-1-(2-methylpropyldisulfanyl)propane. With the CAS registry number 1518-72-5, it is also named as Isobutyl disulfide. Besides, it is off-white crystalline powder, which should be stored in a cool, sealed, dry, well-ventilated, lightproof place.
Physical properties about Disulfide,bis(2-methylpropyl) are: (1)ACD/LogP: 4.59; (2)ACD/LogD (pH 5.5): 4.59; (3)ACD/LogD (pH 7.4): 4.59; (4)ACD/BCF (pH 5.5): 1813.6; (5)ACD/BCF (pH 7.4): 1813.6; (6)ACD/KOC (pH 5.5): 7482.76; (7)ACD/KOC (pH 7.4): 7482.76; (8)#Freely Rotating Bonds: 5; (9)Polar Surface Area: 50.6 Å2; (10)Index of Refraction: 1.493; (11)Molar Refractivity: 55.02 cm3; (12)Molar Volume: 189.2 cm3; (13)Polarizability: 21.81×10-24 cm3; (14)Surface Tension: 30.9 dyne/cm; (15)Density: 0.942 g/cm3; (16)Flash Point: 67.2 °C; (17)Enthalpy of Vaporization: 43.85 kJ/mol; (18)Boiling Point: 220.6 °C at 760 mmHg; (19)Vapour Pressure: 0.166 mmHg at 25 °C.
Preparation: this chemical can be prepared by 2-Methyl-propane-1-thiol. This reaction will need reagent 2CrO4, solvent benzene. The reaction time is 8 hours. This reaciotn need heating. The yield is about 70%.
Uses of Disulfide,bis(2-methylpropyl): it can be used to produce Tetrathiophosphoric acid triisobutyl ester at temperature of 60 °C. This reaction is a kind of Thioalkylation. It will need reagent K2CO3 and solvent acetonitrile with reaction time of 1 hour. The yield is about 33%.
When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C8H18S2/c1-7(2)5-9-10-6-8(3)4/h7-8H,5-6H2,1-4H3
(2)InChIKey: ONJROLGQWMBXAP-UHFFFAOYAW
(3)Std. InChI: InChI=1S/C8H18S2/c1-7(2)5-9-10-6-8(3)4/h7-8H,5-6H2,1-4H3
(4)Std. InChIKey: ONJROLGQWMBXAP-UHFFFAOYSA-N