CAS No.1518-72-5,DIISOBUTYL DISULFIDE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	1518-72-5
Name:	DIISOBUTYL DISULFIDE
Article Data:	34

Formula:	C₈H₁₈S₂
Molecular Weight:	178.363
Synonyms:	Isobutyldisulfide (6CI,7CI,8CI);2,7-Dimethyl-4,5-dithiaoctane;Di(2-methylpropyl)disulfide;Diisobutyl disulfide;
EINECS:	216-177-4
Density:	0,942 g/cm³
Melting Point:	-36.74°C (estimate)
Boiling Point:	220.6 °C at 760 mmHg
Flash Point:	67.2 °C
Appearance:	Colorless or light yellow liquid
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36/37/39
PSA:	50.60000
LogP:	3.67980

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- China (Mainland)(40)
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Specification

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