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Safety Information

697303

Sigma-Aldrich

Tris(tert-pentoxy)silanol

packaged for use in deposition systems

Synonym(s):

TPS

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About This Item

Linear Formula:
(CH3CH2C(CH3)2O)3SiOH
CAS Number:
17906-35-3
Molecular Weight:
306.51
MDL number:
MFCD03427135
UNSPSC Code:
12352103
PubChem Substance ID:
329761907
NACRES:
NA.23

Assay

≥99.0% (GC)
≥99.99% (trace metals analysis)

form

liquid

bp

96-99 °C/2-3 mmHg (lit.)

density

0.944 g/mL at 25 °C (lit.)

SMILES string

CCC(C)(C)O[Si](O)(OC(C)(C)CC)OC(C)(C)CC

InChI

1S/C15H34O4Si/c1-10-13(4,5)17-20(16,18-14(6,7)11-2)19-15(8,9)12-3/h16H,10-12H2,1-9H3

InChI key

ORJFXWYTRPGGRK-UHFFFAOYSA-N

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General description

Atomic number of base material: 14 Silicon

Application

Precursors Packaged for Depositions Systems

Hazard Statements

H413

Hazard Classifications

Aquatic Chronic 4

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

222.8 °F - closed cup

Flash Point(C)

106 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
73398MJ
08812CJ

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. Can the empty deposition cylinders be refilled?

    Yes, we are able to refill these cylinders through our SAFC Hitech group.  Please contact our Technical Service department by email at techserv@sial.com, and they will forward you to the appropriate SAFC Hitech representative for a quote.

  6. Could product 697303, Tris(tert-pentoxy)silanol (TPS), contain trace amounts of pyridine?

    Pyridine is used in the synthesis of Product 697303, Tris(tert-pentoxy)silanol (TPS), therefore trace amounts of pyridine (ppm levels) or by-products of pyridine may be present in the finished product. 

  7. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Hendrik Thoen et al.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 115(1), 16-21 (2015-03-31)
Neoadjuvant chemoradiotherapy is used prior to surgery in curative treatment of esophageal cancer (EC). We evaluated the in-field control of this multimodal treatment by extraction of radiation dose parameters and determination of the spatial relation between tumor recurrence location(s) and
Eduardo S Moura et al.
Medical physics, 42(4), 1566-1574 (2015-04-04)
This work presents the development of a phantom to verify the treatment planning system (TPS) algorithms used for high-dose-rate (HDR) brachytherapy. It is designed to measure the relative dose in a heterogeneous media. The experimental details used, simulation methods, and
Hao Jiang et al.
Oncology letters, 10(5), 2731-2738 (2016-01-02)
The aim of the present study was to retrospectively analyze the clinical efficacy and side-effects of two-dimensional conventional radiotherapy (2D-CRT) and intensity-modulated radiotherapy (IMRT) in 53 NPC patients with cervical spine involvement, without distant metastases. In total, 53 patients were
Luciana Batista Nogueira et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 97, 93-100 (2015-01-07)
The objective of this study was to compare and analyse the absorbed dose profiles from the conformal radiotherapy planning and experimental dosimetry taken in a breast anthropomorphic and anthropometric phantom. Conformal radiotherapy planning was elaborated in the Treatment Planning System
V E Bellinzona et al.
Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), 31(5), 484-492 (2015-06-03)
The accurate evaluation of the lateral dose profile is an important issue in the field of proton radiation therapy. The beam spread, due to Multiple Coulomb Scattering (MCS), is described by the Molière's theory. To take into account also the
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