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Merck
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440191

Sigma-Aldrich

Hexamethyldisilazane

reagent grade, ≥99%

동의어(들):

Bis(trimethylsilyl)amine, HMDS

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About This Item

Linear Formula:
(CH3)3SiNHSi(CH3)3
CAS Number:
999-97-3
Molecular Weight:
161.39
Beilstein:
635752
EC Number:
213-668-5
MDL number:
MFCD00008259
UNSPSC 코드:
12352103
PubChem Substance ID:
24867576
NACRES:
NA.23

Grade

reagent grade

Quality Level

300

분석

≥99%

양식

liquid

refractive index

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

InChI key

FFUAGWLWBBFQJT-UHFFFAOYSA-N

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관련 카테고리

일반 설명

Hexamethyldisilane (HMDS) is a stable and effectivereagent for trimethylsilylation of hydrogen-labile substrates such as alcohols,amines, and carboxylic acids. It is commonly used for the protection of sensitivefunctional groups during chemical synthesis. Owing to its low cost, high vapor pressure, and safety, itis widely used as a precursor in chemical vapor deposition(CVD) reactions.

애플리케이션

Hexamethyldisilane (HMDS) can be used:
  • As a silylating agent in the trimethylsilylation of alcohols under nearly neutral reaction conditions.
  • To control the molecular weights of polypeptides during ring-opening polymerization of α-amino acid N-carboxyanhydrides.
  • To fabricate silicon carbonitride thin films by plasma-enhanced CVD.
  • For specimen preparation for scanning electron microscopy and the preparation of trimethylsilyl ethers from hydroxy compounds.

특징 및 장점

  • High chemicalstability and low molecular weight
  • Nontoxic andcost-effective reagent
  • Ammonia is theonly byproduct generated during silylation
  • Silylationreaction using HDMS is nearly neutral and does not need any precaution

픽토그램

FlameSkull and crossbones
GHS02,GHS06

신호어

Danger

유해 및 위험 성명서

H225,H302 + H332,H311,H412

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point (°F)

52.5 °F - closed cup

Flash Point (°C)

11.4 °C - closed cup

개인 보호 장비

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

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시험 성적서(COA)

Lot/Batch Number
STBK6647
STBK4817
STBK4303
STBK3387
STBK2705

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특정 버전이 필요한 경우 로트 번호나 배치 번호로 특정 인증서를 찾을 수 있습니다.

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문서 라이브러리 방문

F Braet et al.
Journal of microscopy, 186(Pt 1), 84-87 (1997-04-01)
Critical point drying (CPD) is a common method of drying biological specimens for scanning electron microscopy (SEM). Drying by evaporation of hexamethyldisilazane (HMDS) has been described as a good alternative. This method, however, is infrequently used. Therefore, we reassessed HMDS
Rapid and highly efficient trimethylsilylation of alcohols and phenols
with hexamethyldisilazane (HMDS) catalysed by in situ generated I2
using OxoneR /KI or cerium ammonium nitrate (CAN)/KI systems
under mild conditions
Eskandar K, et al.
Journal of Chemical Sciences (Bangalore), 123(5), 703-708 (2011)
Svatopluk Civiš et al.
Scientific reports, 6, 23199-23199 (2016-03-17)
Recent synthetic efforts aimed at reconstructing the beginning of life on our planet point at the plausibility of scenarios fueled by extraterrestrial energy sources. In the current work we show that beyond nucleobases the sugar components of the first informational
Clyde Savio Pinto et al.
Scientific reports, 9(1), 12191-12191 (2019-08-23)
Apical projections are integral functional units of epithelial cells. Microvilli and stereocilia are cylindrical apical projections that are formed of bundled actin. Microridges on the other hand, extend laterally, forming labyrinthine patterns on surfaces of various kinds of squamous epithelial
Ashang Luwang Laiva et al.
International journal of pharmaceutics, 483(1-2), 115-123 (2015-02-15)
Electrospun hybrid nanofibrous scaffolds have gained much importance in the field of tissue engineering and drug delivery applications owing to its multifaceted properties. In this study, the properties of composite polycaprolactone (PCL)/silk fibroin (SF) nanofibrous scaffolds was investigated as a
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