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365157

Sigma-Aldrich

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

96%

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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

Quality Level

100

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

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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.

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

WGK

WGK 3

Flash Point(F)

235.4 °F

Flash Point(C)

113 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Silazanes plus MCl4-substitution vs. rearrangement reactions
Lehnert C, et al.
Chemistry of Heterocyclic Compounds, 42(12), 1574-1584 (2006)
Convenient synthesis of phthalocyanines with disilazanes under mild conditions.
Uchida H, et al.
ARKIVOC (Gainesville, FL, United States), 11, 17-23 (2005)
Dorothee Eibler et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1046, 138-146 (2017-02-10)
Between 2008 and 2011, four polar bears (Ursus maritimus) from the Greenland population swam and/or drifted on ice to Iceland where they arrived in very poor body condition. Body fat resources in these animals were only between 0% and 10%

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