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Heptamethyldisilazane, commonly abbreviated as HMDS or HMDSN, is an organosilicon compound and hexacoordinate silicon with the chemical formula [(CH3)3Si]2NH. It is a derivative of ammonia and is known for its role as a silylating reagent. This colorless liquid is widely recognized for its applications in various industries.

37074-17-2

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37074-17-2 Usage

Uses

Used in Semiconductor Device Fabrication:
Heptamethyldisilazane is used as an adhesion promoter in the photolithography process, which is crucial for the fabrication of semiconductor devices. Its ability to enhance the adhesion of photoresist to the silicon wafer surface ensures a more efficient and precise manufacturing process.
Used as an Organic Solvent:
In the semiconductor industry, Heptamethyldisilazane serves as an organic solvent, particularly for the removal of photoresist from semiconductor devices. This function is essential for cleaning and preparing the surface for subsequent processing steps.
Used in Surface Silylation:
Heptamethyldisilazane is used as a silylating agent for the silylation of surfaces. This process involves the reaction of the compound with the surface, leading to the formation of a silylated layer that can improve the surface properties, such as hydrophobicity or resistance to certain chemicals.
Used in Gas Chromatography:
Heptamethyldisilazane is used for modifying the surface of stationary phases in gas chromatography. The modification can enhance the separation efficiency and selectivity of the chromatographic process, which is vital for accurate analysis in various fields, including environmental monitoring, pharmaceuticals, and food analysis.

Check Digit Verification of cas no

The CAS Registry Mumber 37074-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,0,7 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 37074-17:
(7*3)+(6*7)+(5*0)+(4*7)+(3*4)+(2*1)+(1*7)=112
112 % 10 = 2
So 37074-17-2 is a valid CAS Registry Number.
InChI:InChI=1/C7H21NSi2/c1-9(2,3)7(8)10(4,5)6/h7H,8H2,1-6H3

37074-17-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name Heptamethyldisilazane

1.2 Other means of identification

Product number -
Other names N-Trimethylsilyl-trimethylsilylmethylamin

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:37074-17-2 SDS

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