Name: Phosphine | PH3 | Ultra High Purity Gas 99.9999 % - Premier Supplier & Manufacture - China Isotope Development
SKU: WT-SG-048
Price: 100.00 CNY
Availability: InStock

Description

Product Name: Phosphine PH3 UHP Gas 99.9999 %

CAS :7803-51-2

Purity: 5N~6N

Product specifications: 4L/8L/10L/40L/47L/50L

Product form: Phosphine PH3 UHP Gas 99.9999 %

Main use: Phosphine (PH3) is used in semiconductor production and as a chemical intermediate.

Availability : In Stock

What is Phosphine Gas (PH3) ?

Phosphine Gas (PH3) is a colorless, flammable, highly toxic compound with the chemical formula PH3, classed as a pnictogen hydride. Pure phosphine is odorless, but technical grade samples have a highly unpleasant odor like rotting fish, due to the presence of substituted phosphine and diphosphane (P2H4)

Certificate of Analysis

Component	Unit	Specification
PH3	%	≥99.9999
O2 + Ar	ppbv	≤50
N2	ppbv	≤200
H2O *	ppbv	≤ 200
CO	ppbv	≤50
CO2	ppbv	≤50
CH4	ppbv	≤50
AsH3	ppbv	≤50
H2S	ppbv	≤50
C2H6	ppbv	≤50
SiH4	ppbv	≤50

NOTE : * H2O is a vital parameter and vary according to its final scenario, ranging from less 100 ppb to 200 ppb, contact tao.hu@asiaisotope.com for more technical details.

We are profressional to offer Phosphine Gas (PH3) gas to the market these years, gaining their trust ranging from its quality / price / delivery. We know each parameters of product, to solve their questions on site , and pursuit to continue serving clients better.

To conduct our commitment of being a reliable partner to offer solutions when you need specialty gases & Chemicals. Visit us www.asiaisotopeintl.com.

Phosphine | PH3

What are applications of Phosphine PH₃ Gas ?

Phosphine (PH₃) is a high‑purity electronic specialty gas that plays a vital role in modern semiconductor and optoelectronic manufacturing. Its exceptional reactivity and dopant characteristics make it indispensable in processes requiring precise control of electrical properties. The primary applications are concentrated in the following sectors:

Semiconductor Doping (N‑type) – Used as an n‑type dopant to introduce phosphorus atoms into silicon wafers, modifying conductivity for transistor fabrication.
Epitaxial Layer Growth – Applied in epitaxial silicon and compound semiconductor deposition to create high‑quality crystalline layers on substrates.
Ion Implantation – Serves as a dopant source in ion implantation systems, enabling precise depth and concentration control.
Chemical Vapor Deposition (CVD) – Employed in CVD and PECVD processes for thin‑film deposition, including polycrystalline silicon and dielectric layers.
Compound Semiconductors – Raw material for phosphorus‑based compounds such as gallium phosphide (GaP) and indium phosphide (InP), used in high‑frequency and optoelectronic devices.
LED and Optoelectronics – Critical for MOCVD processes in the production of LEDs, laser diodes, and photodetectors.
Solar Cells (Photovoltaics) – Used in doping steps for silicon solar cells, particularly in heterojunction (HJT) and high‑efficiency cell designs.
Display Panels – Applied in the manufacturing of flat‑panel displays, including thin‑film transistor (TFT) fabrication.
Phosphosilicate Glass (PSG) and Borophosphosilicate Glass (BPSG) Formation – Acts as a precursor for PSG and BPSG layers, which serve as insulating and passivation films in integrated circuits.
Metal Surface Treatment – Utilized for annealing and surface cleaning in certain metallurgical processes.
Chemical Synthesis and Pharmaceuticals – Serves as an intermediate or reducing agent in organic synthesis and pharmaceutical production.
Fumigation and Pest Control – Historically and still used as a fumigant for stored grain, agricultural products, and structural pest control.

Why Choose Our Phosphine Gas?

Qualified & Approved by Multinational Companies

We are already a trusted and audited supplier to global multinational corporations. Our Phosphine has passed their strict quality, performance, and reliability tests. New customers benefit from this proven track record.

Superior Purity & Stability

Consistent ultra-high purity Phosphine(99.9999%+ grades) that protects your process, equipment, and final product from contamination-related failures.

Reliable & Stable Supply

As a professional supplier, we offer better supply security and scalability compared to traders and middlemen who depend on others for stock.

Lower Total Cost of Ownership

Direct supply = competitive price + fewer rejections + less downtime + higher yield. You save money where it matters most — not just on the gas price.

Full Traceability & Compliance

Complete production traceability and international certifications that meet the demanding requirements of Semiconductor Doping (N‑type) and Chemical Vapor Deposition (CVD).

Technical Expertise

Real manufacturer knowledge to support your specific application — not just selling gas, but helping you use it optimally.

Packaging & Delivery Options

Cylinder Size	Water Capacity	Gas Volume (approx.)	Typical Use Case
4L / 8L	Small	2 Kgs	R&D / Lab
10L	Medium	4 Kgs	Pilot & Medical
40L – 50L	Large	20 Kgs	Industrial & Semiconductor

Frequently Asked Questions (FAQs)

Q1: What is the purity level of your Phosphine gas?

A: We produce ultra-high purity Phosphine gas up to 99.9999% (6N) and higher, depending on customer requirements. As the direct supplier, we maintain strict quality control for consistent purity with very low levels of impurities such as oxygen, moisture, and hydrocarbons.

Q2: Are you qualified by multinational companies?

A: Yes. We are an approved and qualified supplier to several global multinational corporations. Our Phosphine has successfully passed their rigorous audits, quality tests, and long-term performance evaluations.

Q3: What industries do you supply Phosphine gas to?

A: We supply ultra high-purity Phosphine for Semiconductor Doping (N‑type) ,Chemical Vapor Deposition (CVD).

Q4: Do you provide certifications and traceability?

A: Yes. Every batch comes with full traceability from production to delivery. We provide necessary certificates including Certificate of Analysis (COA), and comply with ISO 9001 and industry-specific standards.

Q5: Is your Phosphine more expensive than other suppliers?

A: While we focus on premium quality, our price is highly competitive. Customers usually achieve lower total cost of ownership due to fewer batch failures, higher process yield, and reduced downtime.

Q6: What packaging options do you offer?

A: We supply Phosphine in high-pressure cylinders in various sizes to suit small R&D needs to large industrial volumes.

Q7: How fast can you deliver?

A: Lead time depends on quantity and destination. We maintain strategic stock and have global logistics experience serving multinational customers worldwide.

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