Factory Price, Premium Hmds Hexamethyldisilazane 99% Purity, Fast Delivery, ISO Certified CAS 999-97-3

• CAS No.: 999-97-3
• Formula: C6h19nsi2
• EINECS: 213-668-5
• Appearance: Liquid
• Usage: Surfactants
• Color: Colorless
• Model NO.: HMDS
• Purity: ≧99.5%
• Density: 0.774G/Ml
• Odor: Ammonia Odor
• Storage Temp.: Below 30ºC
• Transport Package: 150kg/Drum
• Specification: Hexamethyldisilazane
• Trademark: Chenghexin
• Origin: China
• HS Code: 2931000001
• Production Capacity: Over 500 Tons/Year

Product Description

Description

Hexamethyldisilazane is a bulk organo silicon compound, being a quite useful silanizing agent. It is a reagent for the preparation of trimethylsilyl derivatives. It can also be used to dehydrate cells of biomaterials for scanning electron microscopy (SEM). Moreover, it is an adhesion promoter for photoresist in photolithography, and is also useful in the pyrolysis-gas chromatography-mass spectrometry to enhance the detectability of compounds with polar functional groups. Hexamethyldisilazane appears as a liquid. May be toxic by ingestion. Irritates skin and eyes. Vapors are heavier than air. May emit highly toxic nitrogen oxide fumes when heated to decomposition. Used to deactivate chromatography support materials and to promote adhesion of photoresists in the electronics industry.

 

Melting point	-78 °C
Boiling point	125 °C (lit.)
density	0.774 g/mL at 25 °C(lit.)
vapor density	4.6 (vs air)
vapor pressure	20 hPa (20 °C)
refractive index	n20/D 1.407(lit.)
Fp	57.2 °F
storage temp.	Store below +30°C.
solubility	Miscible with acetone, benzene, ethyl ether, heptane and perchloroethylene.
pka	30(at 25ºC)
form	Liquid
color	Colorless
Specific Gravity	0.774
Odor	Ammonia odour
PH Range	8.5
explosive limit	0.8-25.9%(V)
Water Solubility	REACTS
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Merck	14,4689
BRN	635752
InChIKey	FFUAGWLWBBFQJT-UHFFFAOYSA-N
LogP	0.23-1.19 at 20-25ºC
CAS DataBase Reference	999-97-3(CAS DataBase Reference)
NIST Chemistry Reference	Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-(999-97-3)
EPA Substance Registry System	Hexamethyldisilazane (999-97-3)

 

Safety Information

 

Hazard Codes	F,C,Xn
Risk Statements	11-20/21/22-34-52/53
Safety Statements	16-26-36/37/39-45-61
RIDADR	UN 3286 3/PG 2
WGK Germany	2
RTECS	JM9230000
F	21
Autoignition Temperature	325 °C
Hazard Note	Flammable
TSCA	Yes
HS Code	2931 90 00
HazardClass	3
PackingGroup	II
Hazardous Substances Data	999-97-3(Hazardous Substances Data)
Toxicity	LDLO i.p. in mice: 650 mg/kg (Petrarch Systems Inc. Product Information Sheets)

 

Uses

Hexamethyldisilazane mainly used as methyl silane alkylation (such as amikacin, penicillin, cephalosporins and kinds of penicillin derivatives), hydroxyl protectants of antibiotics. It is used as surface treatment agent of diatomite, white carbon black, titanium and blond additives of photoresist in the semiconductor industry. It is used as treatment agent of tearing strength resistance. It is used as a solvent in organic synthesis and organometallic chemistry. It is used as an adhesion promoter for photoresist in photolithography. it is used for the preparation of trimethylsilyl ethers from hydroxy compounds. It is used as an alternative to critical point drying during sample preparation in electron microscopy. It is added to analyte to get silylated diagnostic products during pyrolysis in gas chromatography- mass spectrometry.
 

Our Advantages

 

Product Quality Advantages
 

Vast Production Capacity   With an annual production capacity of 5,000 tons, we guarantee a long-term and stable supply to meet your needs.

Innovative Separation Technology   Our research and development team, consisting of 28 highly skilled professionals, pioneers in separation technology, ensures our leading edge in product innovation and development.

Unmatched Product Purity for Hexamethyldisilazane   Our Hexamethyldisilazane achieves an extraordinary level of purity, over 99.5%, establishing a new industry standard for excellence. Furthermore, our stringent control over moisture content minimizes the risk associated with boiling point shifts and ensures the stability of Hexamethyldisilazane under various conditions, preventing its decomposition at critical temperatures.
 

 

FAQ

1. Can I get samples?
Yes, free samples are available. 
Samples will usually be sent out within 1-3 working days.

2. Do you accept customized orders?
Yes, both product and package can be customized.
 
3. What is the payment terms?
TT, LC, DP are available.
Please note that OME orders require payment prior to shipment.

4. What is the lead time for mass production?
Delivery time depends on product type and quantity.
Our company has a digital ordering system to ensure scientific and reasonable scheduling of orders, please consult the sales staff you contacted.

5. How to guarantee the product quality?
We have a complete raw material inspection, quality control and pre-factory inspection system to ensure that the order delivered to you is in line with the contract.
In addition, it also supports third-party inspection before shipment. If the inspection fails, the customer's payment will be refunded, and the loss caused by the breach of contract will be compensated.

6. How to check the order status after payment?
After the order is confirmed, the merchandiser will follow up every week and update the order status to you by email.

7. How to deal with after-sales problems?
The after-sales service implements the order responsibility system, and the salesman is the first responsible person for the order. The after-sales service department will set up a service team after receiving the complaint. They will complete the incident investigation and provide you with a resolution within 72 hours.

Why Choose Us

Why Choose Us: Enhanced Value and Unwavering Support
With over 22 years as a chemicals supplier, we offer unparalleled experience, continuous service, and a commitment to quality and innovation that sets us apart. Our dedication to solving problems and supporting our clients' success makes us the ideal partner in your chemical supply chain.

Stable and Preferential Factory Prices 
Our competitive pricing model is designed to offer you significant savings. By maintaining stable and preferential factory prices, we ensure that your procurement costs are minimized, allowing you to allocate resources more effectively across your operations.

Reliability in Supply
We understand the critical importance of reliability in your production and business development plans. Our robust supply chain infrastructure guarantees a consistent and uninterrupted supply of chemicals, ensuring that your operations proceed without delay or disruption.

Unmatched After-Sales Support
Our dedication to the chemical industry is not just a business stance but a lifelong commitment. Aspiring to be the highest quality service provider, we offer comprehensive after-sales support tailored to the unique needs of our customers. Our team is not just knowledgeable about our products but deeply understands the broader industry context, enabling us to provide solutions and support that truly make a difference.

Choosing us means partnering with a provider that prioritizes your cost-efficiency, supports your growth with a reliable supply chain, and stands by you with unparalleled after-sales service. We are more than just a supplier; we are your trusted partner in navigating the complexities of the chemical industry.

 

Company Profile

 

Sincere Chemical Co., Ltd., established in 2021, is located in the Huarun Mansion, Longhua District, Haikou City, Hainan Province, boasting a brand-new, ultra 5A-level office environment. Based on the profound corporate culture of Shijiazhuang Chenghexin Chemical, which has more than 20 years of experience, the company fully supports the development of import and export-related businesses for its Hainan branch. The company has a harmonious atmosphere, generous benefits, and offers substantial room for growth.

Since its inception, the company has always adhered to the development philosophy of "integrity, stability, innovation, and precision". It continuously explores and innovates, enhancing the R&D and production capabilities of new products. The company's products are constantly optimized and perfected, and it maintains long-term stable cooperation with domestically powerful factories as well as national and provincial scientific research institutes. This ensures that the products' technology is advanced, quality is stable, and prices are competitive, now forming a professional chemical raw material supply enterprise that combines science, industry, and trade with both domestic and international trade.

In recent years, the company has won several national and provincial awards and titles for being a trustworthy enterprise and has been recognized as a quality and efficiency-oriented enterprise. It has also received accolades and recommendations from internet companies like Alibaba, Baidu, and HC.com; particularly, it has been featured in a special interview and promotion by the CCTV Securities Information Channel's "Brand Power" program.

After more than 20 years of efforts, the company has continued to grow and expand. Its client base includes highly influential local enterprises, listed companies, and Fortune 500 companies, earning long-term trust and support from both new and old customers. With a bright future ahead, all employees are confident in the company's development.