Product Description
Silane gas, also known as monosilane (SiH4), is a colorless, flammable gas that consists of one silicon atom bonded to four hydrogen atoms. It is the simplest and most common silane compound. Silane is highly reactive and is used in various industrial applications, including semiconductor manufacturing, solar cell production, and as a precursor for depositing thin films of silicon in the electronics industry.
Here are some key points about silane gas:
-
Production: Silane gas is primarily produced by the reaction of metallurgical-grade silicon with hydrogen gas at high temperatures. The process involves the reduction of silicon tetrachloride (SiCl4) or trichlorosilane (SiHCl3) with hydrogen.
-
Chemical Properties: Silane is pyrophoric, which means it can ignite spontaneously in the presence of air or oxygen. It reacts exothermically with oxygen to form silicon dioxide (SiO2) and water (H2O). Silane is also highly reactive with other compounds containing unsaturated carbon-carbon bonds.
-
Applications:
- Semiconductor Manufacturing: Silane is used as a precursor gas for depositing thin films of silicon in the production of microchips and other semiconductor devices.
- Solar Cell Production: Silane is a key material for manufacturing photovoltaic cells. It is used in the deposition of amorphous silicon and thin-film silicon solar panels.
- Chemical Vapor Deposition (CVD): Silane is employed in various CVD processes to deposit silicon-based films onto substrates, such as glass, ceramics, and metals.
- Silicon Wafer Cleaning: Silane is sometimes used in the cleaning and surface treatment of silicon wafers during semiconductor fabrication.
- Specialty Chemicals: Silane derivatives find use in the production of specialty chemicals, such as silanes with functional groups that can enhance adhesion, improve surface properties, or act as coupling agents.
-
Safety Considerations: Silane gas is highly flammable and can form explosive mixtures with air. It is also toxic and can cause respiratory irritation, eye damage, and skin burns. Proper handling, storage, and ventilation are crucial when working with silane gas.
Basic Info.
| Model NO. |
Sih4 |
Boiling Point |
-112 ºC |
| Density |
1.34 Kg/M³ |
Melting Point |
-185 ºC |
| Cylinder Pressure |
12.5MPa/15MPa/20MPa |
Transport Package |
47L/440L/ISO Tank |
| Specification |
47L/440L/ISO Tank |
Origin |
China |
| HS Code |
2931900090 |
Production Capacity |
20, 000tons/Year |
Specification:
CAS No.: 7803-62-5
EINECS No.: 232-263-4
UN No.: UN2203
Purity: 99.9999%
Dot Class: 2.1
Appearance: Colorless
Grade Standard: Electronic Grade
| Specification |
99.9999% |
| Carbon Monoxide |
≤ 0.05 ppm |
| Carbon Dioxide |
≤ 0.05 ppm |
| Total chloride |
≤ 0.1 ppm |
| Methane |
≤ 0.05 ppm |
| C2-C4 |
≤ 0.1 ppm |
| Nitrogen |
≤ 0.5 ppm |
| Oxygen |
≤ 0.05 ppm |
| Moisture |
≤ 0.1 ppm |
| Silyl Ether |
≤ 0.1 ppm |
| Methyl Silane |
≤ 0.1 ppm |
| Disilane |
≤ 0.3 ppm |
| Hydrogen |
≤ 20 ppm |
| Aluminum |
≤ 0.02 ppba |
| Antimony |
≤ 0.02 ppba |
| Arsenic |
≤ 0.02 ppba |
| Gallium |
≤ 0.02 ppba |
| Boron |
≤ 0.02 ppba |
| Phosphorus |
≤ 0.02 ppba |
| Iron + Chromium + Nickel + Copper + Zinc |
≤ 1 ppba |
Detailed Photos
Packaging & Shipping
| Cylinder Specifications |
Contents |
| Cylinder Capacity |
Valve |
Weight |
| 47L |
DISS632 |
10 kgs |
| 440L |
DISS632 |
120 kg |
Company Profile
Shanghai Kemike Chemical Co., Ltd is staffed by trained personnel, combine many years experience in Gas industry .We supply cylinder gas, electronic gas, etc ., and the gas holder, panel, valves and fittings and other equipment, parts and engineering services to our customers in China and worldwide; The products are involved in various industrial fields, such as semiconductor chip, solar cell, LED, TFT-LCD, optical fiber, glass, laser, medicine , etc., Our mission is to partner with our global customers to provide support, solutions and quality products that are innovative,reliable, and safe.
Our products mainly include: H2, O2, N2, Ar, CO2, propane, acetylene, helium, laser mixed gas, SiH4, Sih2cl2, SiHCL3, SiCL4, NH3, CF4, NF3, SF6, HCL, N2O, doping mixed gas (TMB, PH3, B2H6) and other electronic gases.
Our Advantages
1. Fast delivery;
2. Stable raw material source;
3. On-line analysis system for quality control in every step;
4. High requirement and meticulous process for handling cylinder before filling;
Our carbon monoxide have been exported to many countries like India, Pakistan, Malaysia, Indonesia, Australia, Singapore, Maldives and Ecuador.
Since the establishment of our company, it has received universal praise by virtue of good reputation, high quality and perfect after service.
FAQ
1. Q: Are you a factory or a trading company?
A: We are a manufacture and trade integration company. Expert R&D department and sophisticated supply chain is our key of success.
2. Q: Are bulk orders and multiple product orders available?
A: Yes, we have a strong production supply system to make sure all of your requirements satisfied. One station product solution is our aim of service.
3. Q: What if I never imported this product before, how do I do it?
A: Don't worry. We have import and export experience with over 50 countries over the world, our fulfillment department will guide you every step of the process.
4.Q: What is the MOQ?
Different products have different min order. It's depends on the kind the gas and the cylinder specifications. Please feel free to contact with me directly for your requirement.
5. Q: Why choice us Kemike Gas ?
A: Stable Supply, Professional Solution, Reasonable Price, and Safety Business with our Taiyu.
6. Q: How does your factory do the quality control?
A: We have standard quality control procedure.
a> In production, we have quality analysis system to make sure each step is qualified.
b> Before filling, we do the pre-treatment for the cylinders to clean well.
c> After filling, we will do 100% inspection analyze before delivery.
7. Q:Is it possible to ship by air?
A:Gases are classified into class 2.1, class 2.2 and class 2.3 which are inflammable gas, non-flammable gas and poisonous gas. According to regulation, inflammable gas and poisonous gas cannot be shipped by air, and only non-flammable gas can be transported by air. If the amount purchased is large, sea transportation is better.
8. Q:Can I customize the package?
A:Yes of course! The most regular package is cylinder. Its size, color, valve, design and other requirements can all be met.
9. Q: What is the package & storage details?
A:Seamless steel cylinder with different valves, or as to your requirement.
Stored in shady, cool, dry, ventilated warehouse, and keep away from sunlight and ramming.
10. More question......
Feel free to contact us, you will get immediately reply.
Audited Supplier 
){kind=link}
){kind=link}