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379212

Sigma-Aldrich

Hexamethyldisilazan

Hexamethyldisilazane

ReagentPlus®, 99.9%

Synonym(e):

1,1,1,3,3,3-Hexamethyldisilazan, HMDS

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About This Item

Lineare Formel:
(CH3)3SiNHSi(CH3)3
CAS-Nummer:
999-97-3
Molekulargewicht:
161.39
Beilstein:
635752
EG-Nummer:
213-668-5
MDL-Nummer:
MFCD00008259
UNSPSC-Code:
12352103
PubChem Substanz-ID:
24863226
NACRES:
NA.23
Preise und Verfügbarkeit sind derzeit nicht verfügbar.

Produktlinie

ReagentPlus®

Assay

99.9%

Form

liquid

Brechungsindex

n20/D 1.407 (lit.)

bp

125 °C (lit.)

SMILES String

C[Si](C)(C)N[Si](C)(C)C

InChI

1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3

InChIKey

FFUAGWLWBBFQJT-UHFFFAOYSA-N

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Allgemeine Beschreibung

Hexamethyldisilazan (HDMS) ist eine Organosilicon-Verbindung. HDMS ist eine farblose Flüssigkeit und wird als Reagenz und Vorstufe in organischen Synthesen und der metallorganischen Chemie verwendet. Es wird auch als Sol-Gel-Vorstufe zur Herstellung dünner Folien für Halbleitergeräte verwendet.[1] [2]

Anwendung

Anwendungsgebiete von Hexamethyldisilazan:
  • Als Vorstufe zur Herstellung mehrschichtiger Quantenpunkt- Leuchtdioden.[1]
  • Zur Modifizierung dielektrischer Oberflächen von organischen Dünnschicht- Transistoren.[3]
  • Zur Herstellung von superhydrophoben Beschichtungen auf Epoxid- Harzen.[4]
  • Für die Silylierung von Alkoholen und Phenolen.[2]

Rechtliche Hinweise

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Piktogramme

FlameSkull and crossbones
GHS02,GHS06

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 2

Flammpunkt (°F)

52.5 °F - closed cup

Flammpunkt (°C)

11.4 °C - closed cup

Persönliche Schutzausrüstung

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
SHBM6136
SHBJ6186
SHBH7587
SHBG6192V
SHBF8354V

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Chlorotrimethylsilan ≥98.0% (GC)

Sigma-Aldrich

92361

Chlorotrimethylsilan

Osmiumtetroxid -Lösung suitable for electron microscopy, 4% in H2O

Sigma-Aldrich

75632

Osmiumtetroxid -Lösung

Chlorotrimethylsilan for GC derivatization, LiChropur™, ≥99.0% (GC)

Supelco

89595

Chlorotrimethylsilan

I-Shuo Huang et al.
Biology, 9(8) (2020-07-28)
Aside from two samples collected nearly 50 years ago, little is known about the microbial composition of wind tidal flats in the hypersaline Laguna Madre, Texas. These mats account for ~42% of the lagoon's area. These microbial communities were sampled
A simple and efficient room temperature silylation of diverse functional groups with hexamethyldisilazane using CeO2 nanoparticles as solid catalysts
Nagaraj Anbu, et al
Molecular Catalysis, 474, 110357-110357 (2019)
G Chiavari et al.
Journal of chromatography. A, 922(1-2), 235-241 (2001-08-07)
Alpha-amino acids were pyrolysed at 600 degrees C in the presence of hexamethyldisilazane (HMDS) and the formed volatile products were analysed on line by gas chromatography-mass spectrometry (GC-MS). Glycine, alanine, valine, leucine, isoleucine, norleucine, methionine, phenylalanine yielded principally the trimethylsilyl
Joachim C Burbiel et al.
Beilstein journal of organic chemistry, 2, 20-20 (2006-10-28)
Poly-substituted xanthine derivatives are an important class of compounds in medicinal chemistry. Substitution at the 8-position of the purine ring is generally accessible by ring closure of a carboxamido-substituted uracil precursor. Although several procedures to accomplish this synthetic step have
High performance organic thin film transistors using chemically modified bottom contacts and dielectric surfaces
Organic Electronics, 15, 2073-2078 (2014)
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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