Colorless to Light Yellow Liquid - CAS 1809-19-4 from Trusted China Suppliers & Factory
Product Description
| Chemical Name | Dibutyl phosphite | ||
| CAS Number | 1809-19-4 | ||
| Molecular Structure |
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| Product Form | Colorless to light yellow transparent liquid | ||
| Specifications | TEST | SPECIFICATION | |
| Phosphorus content (%) | 14.5 – 16.0 | ||
| Purity (%) | ≥ 94.0 | ||
| Acid value (mg KOH/g) | ≤ 15.0 | ||
| Specific gravity (25℃) | 0.980 – 1.010 | ||
| Application | EP-AW YIHOO AO04 is an eco-friendly phenol-free phosphite, specifically engineered as an extreme pressure anti-wear (EP-AW) agent for lubricating oils. This product delivers outstanding EP-AW performance and excellent compatibility with base oils and other additives. It is ideal for formulating a broad spectrum of lubricants, including industrial gear oils, automotive gear oils, cutting oils, and other metalworking fluids. The recommended dosage ranges from 0.3% to 1%. Additionally, it can be compounded with other single-functional additives to produce multifunctional lubricant additive packages. | ||
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Eco-Friendly & Phenol-Free: YIHOO AO04 is formulated without phenol, making it a safer and more environmentally responsible choice for modern lubricant formulations.
Frequently Asked Questions
Q
What is Dibutyl Phosphite (YIHOO AO04) used for?
YIHOO AO04 (Dibutyl Phosphite, CAS 1809-19-4) is primarily used as an extreme pressure anti-wear (EP-AW) additive in lubricating oils. It is suitable for industrial gear oils, automotive gear oils, cutting oils, and various metalworking fluids.
Q
What is the recommended dosage of YIHOO AO04 in lubricant formulations?
The recommended dosage of YIHOO AO04 ranges from 0.3% to 1% depending on the specific lubricant application and performance requirements.
Q
Is YIHOO AO04 compatible with other lubricant additives?
Yes. YIHOO AO04 offers excellent compatibility with base oils and a wide range of other lubricant additives. It can also be compounded with other single-functional additives to create multifunctional lubricant additive packages.
Q
Is Dibutyl Phosphite an eco-friendly product?
Yes. YIHOO AO04 is a phenol-free phosphite, making it an eco-friendly alternative compared to traditional phosphite additives that may contain phenolic compounds. It is designed to meet modern environmental standards in lubricant manufacturing.
Q
What are the key physical and chemical properties of YIHOO AO04?
YIHOO AO04 appears as a colorless to light yellow transparent liquid. Its key specifications include a phosphorus content of 14.5–16.0%, a purity of ≥94.0%, an acid value of ≤15.0 mg KOH/g, and a specific gravity of 0.980–1.010 at 25℃.
Q
Can YIHOO AO04 be used in both industrial and automotive gear oils?
Absolutely. YIHOO AO04 is engineered for a broad spectrum of lubricant applications, including both industrial gear oils and automotive gear oils, as well as cutting oils and other metalworking fluids, making it a highly versatile EP-AW additive.