Silanes High Purity Electronics Gas

• CAS No.: 7803-62-5
• Formula: Sih4
• EINECS: 232-263-4
• Model NO.: Sih4
• Constituent: Industrial Pure Air
• Grade Standard: Electronic Grade
• Purity: High Purity
• Appearance: Colorless Gas, with a Disgusting Smell of Garlic
• Molecular Weight: 32.117
• Density: 1.114 Kg/M³
• Transport Package: 20L, 40L, 280L and Customizable
• Specification: 99.9999%
• Trademark: Deo
• Origin: Suzhou
• HS Code: 28141000
• Production Capacity: 600tons/Year

Product Description

Product Description

Basic Info.

Model NO.	Sih4
Origin	Suzhou, China
Production Capacity	50000kg/Month

Transport Package

Cylinder

Trademark	Deo
HS Code	2812190091

Product Description

Product Descriptions:

Silane is an intriguing and powerful colorless gas, renowned for its highly reactive nature that instantly ignites upon exposure to air. This ignition creates a striking cloud of dense, white amorphous silica smoke. While visually captivating, it presents significant health risks with the potential for severe, life-threatening burns. In the event of flames or intense heat compromising the gas cylinder, the risk of a catastrophic explosion becomes very real. Rapid or high-pressure discharge of silane may also lead to a delayed explosive incident, highlighting the serious danger it poses. Any silane leak warrants immediate action, given its potential threat, even without visible combustion. Emergency teams should be equipped with fire-retardant gear when dealing with such risks. It is critical to maintain the gas supply active until any fire is fully extinguished.

Silane gas is known for its toxic and highly flammable nature, easily recognizable by its distinctive, sharp garlic-like odor, which serves as a warning of its presence.

Physical Properties

Project	Attribute
Character	Colorless and smells disgusting garlic
Gas density(g/mL,25°C)	1.44
Relative density of steam(g/mL,air=1)	1.1
Melting point(ºC)	-185
Boiling point(ºC, atmospheric pressure)	-111.9
Boiling point(ºC,760mmHg)	-112
Heat of evaporation(KJ/mol)	12.5
Heat of fusion(KJ/mol)	0.67
Generate heat(KJ/mol)	32.6
Specific heat capacity(KJ/(kg·K),25ºC)	1.335
Critical temperature(ºC)	-3.5
Critical pressure(MPa)	4.864

Typical Technical Data

Item	Impurities(ppm)
SiH4 purity(%) ≥99.9999
Ar	≤0.05
Chlorosilane	≤0.15
Si2H6	≤0.5
He	≤1
CO	≤0.05
O2	≤0.05
N2	≤1
H2	≤20
CO2	≤0.05
CH4	≤0.05
C	≤0.2
SiH2Cl2	≤0.5
CH3Si	≤0.5
Metals	≤0.03

Our high-caliber SiH4 gas emerges as a cornerstone within the electronics industry, playing an essential role in material production processes and extensively employed in solar cell manufacturing - a key pillar of modern technology.

 

Application
Silane and its derivatives are vital across a wide array of industrial and medical applications. As coupling agents, they significantly enhance composite material strength by bonding glass or carbon fibers to polymer matrices. Silane also improves adhesion in glass fiber coatings for polymers. In medical fields, it helps in forming bio-inert layers on titanium implants. Furthermore, silanes act as effective water repellents and protect masonry while assisting in graffiti control. In semiconductor production, silane is crucial for depositing polycrystalline silicon layers on wafers. By the late 1990s, the semiconductor sector was consuming nearly 300 metric tons of silane annually. The rising need for cost-efficient solar photovoltaic modules has further increased silane's role, particularly for depositing hydrogenated amorphous silicon on various substrates like glass, metal, and plastic. Despite the PECVD process wasting about 85% of silane, continuous recycling efforts aim to cut waste and lessen the environmental impact of a-Si:H-based solar cells.

In the domain of advanced propulsion systems, silane plays a pivotal role, especially in supersonic combustion ramjets, where it sparks fuel in compressed air streams. Its unique capability to combust with carbon dioxide shows potential as an engine fuel for Mars missions. However, the reaction's solid byproducts, such as silicon dioxide and carbon, limit its applications to specialized uses, including liquid-fuel rockets using liquid CO2, ramjets, or advanced reaction engines.

Company Information:
Since its establishment in 2016, Jiangsu Deo Gas Co., Ltd. has rapidly emerged as a leading innovator in manufacturing, earning a stellar reputation as a top global exporter. Our broad catalog of industrial, specialty, electronic, and medical gases provides essential services across numerous industries, including chemical manufacturing, shipbuilding, and electronics. Our offerings are vital to sectors such as optical fiber communications, machinery manufacturing, food and medical fields, solar photovoltaics, LED technology, aerospace, and extensive scientific research. We are proud to offer a comprehensive range of cylinder gases, electronic gases, and advanced systems, featuring the latest in cutting-edge gas tanks, panels, valves, and precision fittings. Our esteemed engineering services extend worldwide, and our steadfast mission is to build strong global partnerships by delivering innovative, reliable products, supported by expert services and tailored solutions.
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FAQ

Q: What's your product price?
A: Pricing for each gas is influenced by market supply and demand, quantity, and purity, making it difficult to set a fixed price. If you are interested in any specific gas, please provide your detailed requirements, and I would be happy to offer you a tailored quote.
Q: What is the minimum order quantity?
A: Minimum order quantities vary across different products. Please share your specific requirements with us, and we will provide the relevant details.
Q: What is the delivery time?
A: If the cylinder is in stock and only requires gas filling, delivery is approximately 7-10 days ex-works after receiving the deposit. Custom cylinder orders require about 15-35 days ex-works post-deposit, depending on the quantity.
Q: How do you ensure gas quality?
A: Our cylinders undergo a thorough treatment process, including cleaning, drying, vacuum pumping, and replacement before gas filling to ensure they are clear and dry. Each treated cylinder is tested for internal purity. After filling, all gases are tested once more. If the gas fails to meet standards, it is reprocessed. Finally, we provide a qualified gas test report.
Q: Are all cylinders recyclable?
A: Typically, seamless steel cylinders are recyclable. However, disposable cylinders are intended for single use only.
Q: Can we send back cylinders to China for refilling?
A: Yes, you can send back our cylinders for refilling. Inform us before exporting, and we will manage all necessary import customs clearance formalities.