CAS No.: 61790-48-5
Molecular Formula: RSO3Ba
Appearance: translucent, semi-solid or fluid
Chemical Name: VANPLAST 202; sulfonicacids,petroleum,bariumsalts; VANPLAST 202; VANPLAST PL; VANPLAST R; Sulfonic acids,petroleum, barium salts T701
Barium Petroleum Sulfonate CAS 61790-48-5
Barium petroleum sulfonate, with CAS number 61790-48-5 (T701), is a type of petroleum sulfonic acid. It is the most commonly used oil-soluble anti-rust additive in industry and is widely employed in anti-rust oils, lubricating greases, and metal processing fluid formulations.
Typical Properties
| Item | Specifications | |
| No.1 | No.2 | |
| Appearance | translucent, semi-solid or fluid | |
| Barium sulfonate% ≥ | 50 | 45 |
| Average MW ≥ | 1000 | |
| Volatile%≤ | 5 | |
| Chloride% | None | |
| Sulfuric acid% | None | |
| Moisture% ≤ | 0.15 | |
| Mechanical impurities%≤ | 0.1 | |
| pH | 7 | |
| Barium% ≥ | 7.0 | 6.0 |
| Oil soluble | Conform | |
| Rust prevention performance Damp heat test( 49±1℃ ≥95 % ) No.10 Steel piece ≤No.62 Brass piece | 72 hoursA1 | |
| Seawater impregnation( 25±1℃ 24h )≤No.10 Steel pieceNo.62 Brass piece | A1 | |
| Conclusion | The results conforms with Enterprise standards | |
Barium petroleum sulfonate Usage
Anti-rust lubricants: Replacement type anti-rust oil, inter-process anti-rust oil, long-term storage oil, anti-rust grease.
Lubrication and anti-rust dual-purpose oils: Hydraulic oil, gear oil, bearing oil, providing both lubrication and anti-rust functions.
Metal processing fluids: Cutting oil, rolling oil, drawing oil, providing anti-rust protection for processes.
Others: Engine oil detergent dispersant, metal anti-rust coating additive.
Specially used in the production of anti-rust grease as an indispensable anti-rust additive.
No. 2 petroleum sulfonate is a fluid, the content is more than 45%, 200 kg vat packaging.
No. 1 petroleum sulfonate is a solid with content of more than 50%, packed in 50 kg plastic drums.
Packaging and Shipping
Packing: Solid plastic bucket 25 kg/drum, fluid 200 kg/iron drum
