365157

1,1,3,3-Tetramethyl-1,3-diphenyldisilazane

96%

• Synonym(s): 1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS
• Linear Formula: [C₆H₅Si(CH₃)₂]₂NH
• CAS Number: 3449-26-1
• Molecular Weight: 285.53
• Beilstein: 2738118
• EC Number: 222-372-5
• MDL number: MFCD00042916
• UNSPSC Code: 12352103
• PubChem Substance ID: 24862485
• NACRES: NA.22

Properties

• Assay: 96%
• form: liquid
• refractive index: n20/D 1.538 (lit.)
• bp: 96-100 °C/0.1 mmHg (lit.)
• density: 0.985 g/mL at 25 °C (lit.)
• SMILES string: C[Si](C)(N[Si](C)(C)c1ccccc1)c2ccccc2
• InChI: 1S/C16H23NSi2/c1-18(2,15-11-7-5-8-12-15)17-19(3,4)16-13-9-6-10-14-16/h5-14,17H,1-4H3
• InChI key: HIMXYMYMHUAZLW-UHFFFAOYSA-N

Description

Application

1,1,3,3-Tetramethyl-1,3-diphenyldisilazane can be used:

• As a starting material for the synthesis of its substitution products with the tetrachlorides of silicon and tin.
• To prepare Cu-, Zn- and H₂-phthalocyanines using phthalimide.
• As a pre-column deactivation agent prior to the determination of the fatty acids by GC-MS.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves