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41663

Sigma-Aldrich

1,3-Dimethyl-1,1,3,3-tetraphenyldisilazane

≥98.0% (NT)

Synonym(s):

1,1,3,3-Tetraphenyl-1,3-dimethyldisilazane, TPDMDS

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About This Item

Linear Formula:
[CH3Si(C6H5)2]2NH
CAS Number:
7453-26-1
Molecular Weight:
409.67
Beilstein:
2952534
EC Number:
231-227-5
MDL number:
MFCD00042831
UNSPSC Code:
12352103
PubChem Substance ID:
329756133
NACRES:
NA.22

Assay

≥98.0% (NT)

form

solid

mp

87-89 °C (lit.)
87-89 °C

SMILES string

C[Si](N[Si](C)(c1ccccc1)c2ccccc2)(c3ccccc3)c4ccccc4

InChI

1S/C26H27NSi2/c1-28(23-15-7-3-8-16-23,24-17-9-4-10-18-24)27-29(2,25-19-11-5-12-20-25)26-21-13-6-14-22-26/h3-22,27H,1-2H3

InChI key

YFONAHAKNVIHPT-UHFFFAOYSA-N

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General description

1,3-Dimethyl-1,1,3,3-tetraphenyldisilazane is a silylating reagent, used for the hydrophobization of glass or silica surfaces.

Other Notes

For the deactivation of glass capillary columns by persilylation

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BGBC1871V
BGBC0704V
1383636V
BCBD3090V
1424426

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Christopher A Girkin et al.
Investigative ophthalmology & visual science, 58(9), 3759-3769 (2017-07-25)
This study quantified the thickness and depth of the lamina cribrosa (LC) and peripapillary scleral thickness in high-resolution three-dimensional (3D) fluorescent reconstructions of the optic nerve head (ONH) in eyes from donors of African (AD) and European descent (ED). A
Silicon in Polymer Synthesis (2012)
Concentration modulation by thermal decomposition for multiplex gas chromatography.
J R Valentin et al.
HRC & CC. Journal of high resolution chromatography & chromatography communications, 6, 621-622 (1983-11-01)

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