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structure of 999-97-3

Bis(Trimethylsilyl)Amine(CAS 999-97-3)

CAS No.: 999-97-3 Brand: MolBest
M. Ft.: C6H19NSi2 Cat. No: G4235723
M. Wt.: 161.39 MDL: MFCD00008259
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2931900090 UN No.: UN 1992 3 /PG II
Purity Grade Package Stock Price Quantity
99%
Documents:COANMRSDS
RG 25ML In Stock 3 USD
99%
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RG 100ML In Stock 4 USD
99%
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RG 500ML In Stock 17 USD
99%
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RG 2.5L In Stock 83 USD
99%
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RG 25L In Stock 811 USD
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Applications of 999-97-3

Hexamethyldisilazane has diverse applications across various fields:

  • Surface Treatment: It is used in the photolithography process for treating silicon wafers, enhancing the adhesion of photoresists.
  • Gas Chromatography: The compound serves as a derivatization agent in gas chromatography mass spectrometry applications.
  • Silylation Reactions: Hexamethyldisilazane is employed for silylation in organic synthesis, particularly for protecting functional groups during reactions involving sensitive substrates.
  • Material Science: It plays a role in the preparation of nanosilicon films and other silicon-based materials.

Physical and chemical properties of 999-97-3

Acidity coefficient

30(at 25℃)

Boiling Point

125 °C

BRN

635752

Density

0.7741 g/cu cm at 25 °C

Exact Mass

161.105606

explosive limit

0.8-25.9%(V)

Flash Point

14 °C (closed cup) /from table/

Index of Refraction

Index of refraction = 1.4090 @ 20 °C

LogP

log Kow = 2.62 /Estimated/

Melting Point

-78 °C

Merck

14,4689

Molecular Formula

C6H19NSi2

Molecular Weight

161.393

Odor

Ammonia-like odor

pH Range

8.5

PSA

12.03000

Sensitivity

Moisture Sensitive

Solubility

In water, 392 mg/l @ 25 °C /Estimated/

Storage condition

Store below +30°C.

Vapour density

4.6 (vs air)

Vapour Pressure

13.8 mm Hg at 25 °C

Water Solubility

REACTS

Spectrums of 999-97-3

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 999-97-3

Retrosynthesis analysis of 999-97-3

  • Route#1

    Cas:16513-17-0
    Cas:2251-46-9
    Cas:999-97-3
  • Route#2

    Cas:2251-46-9
    Cas:5577-65-1
    Cas:999-97-3
  • Route#3

    Cas:999-97-3

Q&A for CAS 999-97-3

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

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Download SDS of 999-97-3

Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor
H302+H332 Harmful if swallowed or if inhaled
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
H332 Harmful if inhaled
H412 Harmful to aquatic life with long lasting effects

Safety Data Sheet

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Operate under the ISO 9001 system