CAS No.2362-10-9,1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	2362-10-9
Name:	1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane
Article Data:	39

Formula:	C₆H₁₆Cl₂OSi₂
Molecular Weight:	231.269
Synonyms:	1,3-Bis(chloromethyl)tetramethyldisiloxane;1,3-Di(chloromethyl)-1,1,3,3-tetramethyldisiloxane;NSC 103492;NSC 96793;Tetramethyl-1,3-bis(chloromethyl)disiloxane;
EINECS:	219-109-1
Density:	1.014 g/cm³
Melting Point:	-90 °C
Boiling Point:	204.7 °C at 760 mmHg
Flash Point:	63.3 °C
Solubility:	Not miscible or difficult to mix with water.
Hazard Symbols:	Xi
Risk Codes:	36/38-36/37/38
Safety:	26-36/37/39-36
Transport Information:	UN 1993
PSA:	9.23000
LogP:	3.80580

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Specification

The 1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane, with the cas registry number 2362-10-9 and EINECS registry number 219-109-1, has the IUPAC name of chloromethyl-[chloromethyl(dimethyl)silyl]oxy-dimethylsilane. It belongs to the following product categories: Pharmaceutical Intermediates; Si (Classes of Silicon Compounds); Siloxanes; Si-O Compounds; Organometallic Reagents; Organosilicon. And the molecular formula of the chemical is C₆H₁₆Cl₂OSi₂.

The characteristics of this chemical are as followings: (1)ACD/LogP: 4.67; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.67; (4)ACD/LogD (pH 7.4): 4.67; (5)ACD/BCF (pH 5.5): 2082.65; (6)ACD/BCF (pH 7.4): 2082.65; (7)ACD/KOC (pH 5.5): 8261.56; (8)ACD/KOC (pH 7.4): 8261.56; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 9.23 Å²; (13)Index of Refraction: 1.428; (14)Molar Refractivity: 58.72 cm³; (15)Molar Volume: 228.1 cm³; (16)Polarizability: 23.28×10^-24cm³; (17)Surface Tension: 20.5 dyne/cm; (18)Density: 1.013 g/cm3; (19)Flash Point: 63.3 °C; (20)Enthalpy of Vaporization: 42.3 kJ/mol; (21)Boiling Point: 204.7 °C at 760 mmHg; (22)Vapour Pressure: 0.371 mmHg at 25°C.

Preparation of 1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane: This chemical can be prepared by chloro-chloromethyl-dimethyl-silane. The reaction will need reagent H₂SO₄, and the menstruum cyclohexane. The reaction time is 0.5 hours with temperature of 80°C, and the yield is about 75%.

Uses of 1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane: It can react with thiocyanic acid sodium salt to produce 1,1,3,3-tetramethyl-1,3-bis-thiocyanatomethyl-disiloxane. This reaction will need reagent p-toluenesulfonic acid, and the menstruum methanol. The reaction time is 16 hours with temperature heating, and the yield is about 50%.

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: ClC[Si](O[Si](CCl)(C)C)(C)C
(2)InChI: InChI=1/C6H16Cl2OSi2/c1-10(2,5-7)9-11(3,4)6-8/h5-6H2,1-4H3
(3)InChIKey: NBGGEWGFZUDQKZ-UHFFFAOYAD