dichlorodimethylsilane

• ChemBase ID: 127090
• Molecular Formular: C2H6Cl2Si
• Molecular Mass: 129.06054
• Monoisotopic Mass: 127.96158208
• SMILES: C[Si](C)(Cl)Cl
• Canonical SMILES: C[Si](Cl)(Cl)C
• InChI: InChI=1S/C2H6Cl2Si/c1-5(2,3)4/h1-2H3
• InChIKey: LIKFHECYJZWXFJ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dichlorodimethylsilane
• IUPAC Traditional name: dimethyldichlorosilane
• Synonyms: Dichlorodimethylsilane; dichlorodimethylsilicoe; dimethylsilicon dichloride; dimethylsilane dichloride; DMDCS; Dimethyldichlorosilane; Silanization solution I; Silanization solution II; Dimethylsilyl dichloride; Silane M2; Dichlorodimethylsilane solution; Dimethyldichlorosilane solution; Dimethyldichlorosilane/o-Xylene 1/19 (v/v); Silanization solution V; Dimethyldichlorosilane; Dichlorodimethylsilane; dichlorodimethylsilane; 硅烷化溶液 I; 甲硅烷基化溶液 II; 硅烷 M2; 二氯二甲基硅烷 溶液; 二甲基二氯硅烷 溶液; 二甲基二氯硅烷/邻二甲苯 1/19 (v/v); 硅烷化溶液 V; Dow Corning® 产品 Z-1219; 二甲基二氯硅烷; 二氯二甲基硅烷

Database IDs

• CAS Number: 75-78-5
• EC Number: 200-901-0
• MDL Number: MFCD00000491
• Beilstein Number: 605287
• PubChem SID: 24887546; 24865020; 24888308; 24888309; 162221413; 24859830; 24865007; 24867582; 24888310; 24865011
• PubChem CID: 6398
• Chemspider ID: 6158
• Unique Ingredient Identifier: 8TSJ92JX69
• Wikipedia Title: Dimethyldichlorosilane

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.1894
• LogD (pH = 7.4): 1.1894
• Log P: 1.1894
• Molar Refractivity: 24.164 cm^3
• Polarizability: 11.097548 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Decomposes in water
• Apperance: clear liquid
• Melting Point: -76 °C(lit.); -76°C; -77 - -76°C; ca -76°C
• Boiling Point: 70 °C(lit.); 70°C; 70-71°C
• Flash Point: 23 °F; 24.8 °F; 39.2 °F; 4 °C; -4 °C; -5 °C; -5°C(23°F)
• Density: 1.064 g·cm^-3 (l); 1.068; 1.07 g/mL at 25 °C(lit.); 1.333 g/mL at 20 °C
• Refractive Index: 1.4045; n20/D 1.388; n20/D 1.404; n20/D 1.404(lit.); n20/D 1.437; n20/D 1.500
• Hydrophobicity(logP): 0.316

Safety Information

• Storage Warning: Moisture Sensitive
• RTECS: VV3150000
• European Hazard Symbols: Flammable (F); Nature polluting (N); Irritant (Xi); Harmful (Xn)
• UN Number: 1162; 1307; 2831; 2924; UN1162
• German water hazard class: 1; 2; 3
• Hazard Class: 3; 6.1
• Packing Group: 2; 3; II
• Risk Statements: 11-20/21-38; 11-36/37/38; 11-38-50/53-65-67; 20-59
• Safety Statements: 16-36/37; 16-61-62; 2; 59
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS07; GHS08; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H304-H315-H336-H410; H225-H312-H315-H332; H225-H315-H319-H335
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A; P210-P261-P273-P301 + P310-P331-P501; P210-P261-P305 + P351 + P338; P210-P280
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1162 3/PG 2; UN 1307 3/PG 2; UN 2831 6.1/PG 3; UN 2924 3/PG 2
• Storage Temperature: 2-8°C

Product Information

• Purity: ~5% (dimethyldichlorosilane in heptane); ≥98.0% (GC); ≥98.5% (GC); ≥99.0% (GC); ≥99.5%; 95%; 99%
• Concentration: ~2% dimethyldichlorosilane in 1,1,1-trichloroethane; ~5% (dimethyldichlorosilane in o-xylene)
• Grade: for GC derivatization; produced by Wacker; purum; Selectophore™
• Packaging: pkg of 100 mL
• Description: Silyl reagent
• Compatibility: technique used for deactivating glassware and chromatographic supports
• Linear Formula: (CH3)2SiCl2
• Empirical Formula (Hill Notation): C2H6Cl2Si

DETAILS

Sigma Aldrich - 440272

Application
Common reagent for synthesis of optically active ansa-mettallocene polymerization catalysts.
Used to prepare a resin bound siloxane with reactivity towards tertiary alcohols.1
Packaging
1 L in Sure/Seal™
100 mL in Sure/Seal™
View returnable container options.

Sigma Aldrich - 40140

Other Notes
Silylating agent for diols, diamines, etc.; the protection is very sensitive to hydrolysis 1,2,3,4
Packaging
25, 100, 500 mL in glass bottle

Sigma Aldrich - 80430

Other Notes
prices for bulk quantities on request

Sigma Aldrich - 85126

General description
Visit our Sensor Applications portal to learn more.
Other Notes
dimethyldichlorosilane/heptane 1/30 (v/v)
Ready-to-use solution for silanizing micro-electrodes1
Legal Information
Selectophore is a trademark of Sigma-Aldrich GmbH

Sigma Aldrich - 40136

General description
Visit our Sensor Applications portal to learn more.
Legal Information
Selectophore is a trademark of Sigma-Aldrich GmbH

Sigma Aldrich - 85127

General description
Visit our Sensor Applications portal to learn more.
Other Notes
dimethyldichlorosilane/1,1,1-trichloroethane 1/39 (v/v)
Ready-to-use solution for silanizing micro-electrodes1
Sales restrictions may apply

Sigma Aldrich - 85121

General description
Visit our Sensor Applications portal to learn more.
Other Notes
Ready-to-use solution for silanizing microelectrode pipettes by the dip-and-bake method1,2,3
Legal Information
Selectophore is a trademark of Sigma-Aldrich GmbH

REFERENCES

• Silicone intermediate and silylating agent, forming dimethylsilylene derivatives of diols. The main limitation of these is their extreme susceptibilty to hydrolysis. See Appendix 4.
• For use in combination with triflic acid to generate dimethyldisilyl triflate, and its use in synthesis, see N,N'-Diacetylhydrazine, A13393.