GB/T 35501-2017 in English

VALID

Methyltrimethoxysilane for industrial use

Issued on:2017-12-29
Implemented on:2018-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 35501-2017
Document status:	VALID
Title in English:	Methyltrimethoxysilane for industrial use
Title in Chinese:	工业用甲基三甲氧基硅烷
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2017-12-29
Implemented on:	2018-07-01
ICS Classification:	71.080.99-Other organic chemicals
Chinese Classification:	G17-General organic chemicals
Professional Classification:	GB-National Standard
Related Topics:	Silsesquioxane Trimethyl m6A methylation Silane Standard Set of siloxane copper siloxane Trimethoxymethane Trimethylselenium methyl Inorganic methyl chloroform Engineered Silicone Engineered Silicone Nitromethyl methyl Methyl Oxidation Trimethylbenzene products for industrial use Methane Classification Trimethoxysilane Silicone test Alkyl tungsten Silicon+Methyl+Spectrum methyl methylene methine Alkyl tantalum Lao Methane Methyl neutral Silica peak methyl methylene methine GB/T 35501-2017 Silicone test top three methyl, methylene, methine methane peak time Copper siloxane gb/t+35501 Methyl neutral meth Alkyl bond Non-methane total Structural methyl Electric methane methane methane peak time Methyl peak shape total methane methylated h3 Trimethylsilylation Alkyl silylation Methylation Trimethylsilyl Tribromomethyl hydrolysis Zinc Oxide Methane trimethylsilylation method Octadecyltrisilane Bistrimethylsilylsilane Hexamethylcyclotrisiloxane peak methyl peak next to oxygen Simethylation Methylsilane methane colored Non-methane peak type methane anaerobic Silylating reagents submethylation+ h3 methylation Trimethylsilane+ Trisaminomethane liquid phase Silane volatilization Methylsilane Trimethylsilane Silylation Silicon methyl peak Methoxy protection Gem trimethyl Methyl how Methyl Oxidation Method UV methane methane identified Methylated gold indoor methane oxygen pool methane Infrared Methylmethine Methylmethine Alkoxy content Non-methane National Methane indoor methane methylation index methylated core Methane and non-methane analyzers Methane molecules are made of Siloxane Tertiary silane Secretomethylation Alkoxy is toxic Trimethylthallium methylation index Methane and non-methane meter 15 grams of methane artificial methane methane ozone layer Important uses of methane methane half peak methyl and water Hexamethylcyclotrisiloxane volatility Onycholysis Alkyl bond Methane Methane Analyzer Bromotrimethylsilane Methyl oxidation method n6 methylation Methylation use Silicon-based device GBT35501 GB/T 35501-2017 Silicon capacitor Tris(trimethylsilyl)phosphate Tris(trimethylsilyl)borate Tris(trimethylsilyl)phosphite Methoxy blank RNA methylationHIV MLL1 methylation SCI Dimethoxymethane Grignard reaction Can poly100% dimethylsiloxane and poly(5% diphenyl/95% methylsiloxane) be used interchangeably? Hexamethyldisiloxane Group silicone silicone Industrial methylcyclohexane Vinyl trimethoxysilane quality inspection Ethyltrimethoxysilane Tetramethylsilane analysis method Hexamethylcyclotrisiloxane test Dimethylsiloxane molecular weight detection Tetraalkoxysilane detection Hexamethyldisiloxane detection Medical polysiloxane Industrial Lithium Methate Methoxysilane Methyl aluminum testing company Methane analyzer industry Methyltrimethoxysilane Methane tuning Vinyltrimethoxysilane Industrial silicon related Methylmercury Industrial Soil Green Methane International Industrial silicon oxygen consumption Industrial methylcyclohexane Dimethylpolysiloxane International Trimethylchlorosilane company Methyltriethoxy detection Trimethylchlorosilane Chemical Industry What is the standard for methylsiloxane? Determination method of dimethoxymethane Methane full range Industrial Methyl Cyclohexane

《GB/T 35501-2017工业用甲基三甲氧基硅烷》由TC63（全国化学标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。

Introduction

GB/T 35501-2017 Interpretation of the Standard for Industrial Methyltrimethoxysilane

1. Background and Significance of Standard Formulation

Industrial methyltrimethoxysilane (MTMS) is an important chemical product, which is widely used in organic synthesis, electronic materials, coatings and other fields. In order to standardize product quality and technical requirements and ensure its safety and applicability, the national standard GB/T 35501-2017 came into being.

The standard was proposed by the China Petroleum and Chemical Industry Federation and managed by the Organic Chemical Industry Branch of the National Technical Committee for Chemical Standardization, which fully reflects the authority and representativeness of the industry.

2. Scope and applicability of the standard

This standard applies to methyltrimethoxysilane prepared from monomethyltrichlorosilane and methanol through alcoholysis, neutralization and distillation. Its structural formula is:

CH₃Si(OCH₃)₃

The relative molecular mass is 136.22, which meets the requirements of international standards.

Comparison of technical indicators of industrial methyltrimethoxysilane
Items	Superior products	First-class products	Qualified products
Items	Chroma/Hazen unit (platinum-cobalt color number)	≤10
Methyltrimethoxysilane, w/%	≥99.5	≥99.0	≥98.0
Methanol, w/%
pH value	3.8~7.0
Chloride (as Cl-)/(mg/kg)	≤50

3. Quality inspection methods and standard requirements

According to GB/T 35501-2017, the inspection indicators of industrial methyltrimethoxysilane include appearance, colorimetry, content analysis, etc. Among them:

3.1 Application of gas chromatography

Gas chromatograph (with hydrogen flame ionization detector) is used to separate and quantitatively analyze the samples. It is recommended to use a capillary column (dimethylpolysiloxane, 30m×0.32mm×1.0μm), and the typical operating conditions are as follows:

Vaporization chamber temperature: 250℃
Detector temperature: 260℃
Column box temperature: initial 50℃, heating to 180℃ at 20℃/min

During sample handling, care should be taken to avoid contact with air to ensure the accuracy of the analysis results. The mass fraction of each component is calculated by the area normalization method, and the relative deviation of parallel determinations should be controlled within the specified range.

4. Safety and Protection Recommendations

Methyltrimethoxysilane is dangerous to a certain extent. Its flash point is 11°C and its vapor and air can form an explosive mixture. Users should:

Keep away from open flames and high temperature areas
Wear protective equipment (such as gloves, goggles)
Ensure good ventilation and avoid prolonged contact

5. Implementation suggestions and precautions

To ensure that product quality meets the requirements of GB/T 35501-2017, manufacturers should:

Strictly control the quality of raw materials
Optimize production process
Perform regular type inspection (at least once every 6 months)
Strengthen employee training to ensure that operations comply with safety regulations

Conclusion:GB/T 35501-2017 provides a scientific basis for the quality control of industrial methyltrimethoxysilane. By strictly following the standard requirements and test methods, product quality can be effectively guaranteed and meet the needs of downstream application fields.

More samples: QC/T 942-2021 DL/T 368-2010 JC/T 2453-2018

Sample only — not a preview of GB/T 35501-2017

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