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Safety Information

365157

Sigma-Aldrich

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

96%

Synonym(s):

1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS

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About This Item

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

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

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

365157-10G:
365157-BULK:
365157-1G:
365157-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB0796
BCBS5179V
BCBP3430V
BCBJ8324V
1093847V

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Chemistry of Heterocyclic Compounds, 42(12), 1574-1584 (2006)
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Triacylglycerols represent the major part (>90%) in most plant oils and have to be eliminated, when the minor compounds such as phytosterols or tocopherols should be analyzed. Here, we used an all liquid-liquid chromatographic technique, countercurrent chromatography (CCC), to fractionate

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