| Property | Typical Value(s) |
| Appearance | Dark brown to black, viscous liquid or paste |
| Odor | Characteristic petroleum odor |
| pH (1% solution in water at 25°C) | Typically between 6 and 8, can vary based on product grade |
| Active Matter (%) | Varies by grade; typically 40-70% |
| Density (g/cm³ at 25°C) | Approximately 1.05 - 1.20 |
| Solubility | Soluble in water, soluble in some organic solvents |
| HLB Value | Not typically reported, but sulfonates generally have a high HLB due to their hydrophilic nature |
| Viscosity (cP at 25°C) | Varies widely depending on concentration and temperature, often > 10,000 cP |
| Sulfonate Content (%) | Typically 30-60%, varies by grade |
| Flash Point (closed cup, °C) | > 93°C (200°F) |
| Cloud Point (°C) | Not typically applicable (due to high molecular weight and viscosity) |
| Storage Conditions | Store in a cool, dry place away from incompatible materials and direct sunlight. Keep containers tightly closed. |
| Shelf Life (under proper storage conditions) | Can be several years depending on the grade and storage conditions |



Q1: What is Petroleum Sulfonate and what are its primary uses?
Re: Petroleum sulfonates are anionic surfactants derived from the sulfonation of petroleum fractions. They are widely used in various industries due to their excellent wetting, dispersing, emulsifying, and solubilizing properties. Primary applications include drilling fluids in the oil industry, as components in metalworking fluids, additives in lubricants, ingredients in detergents and cleaners, and as dispersants in paints and coatings. Their ability to stabilize water-in-oil emulsions makes them particularly useful in enhanced oil recovery techniques.
Q2: How does Petroleum Sulfonate enhance the performance of formulations?
Re: Petroleum sulfonates enhance the performance of formulations by providing superior wetting and dispersing capabilities. In drilling fluids, they help reduce friction and improve the stability of the fluid, which can lead to more efficient drilling operations. In metalworking fluids, they provide excellent lubricity and cooling properties, reducing tool wear and improving the quality of machined parts. In detergents and cleaners, petroleum sulfonates contribute to effective soil removal and grease cutting, while also helping to keep surfaces clean and free of residue. Their emulsifying properties make them valuable for creating stable mixtures of otherwise immiscible liquids, such as oil and water.
Q3: Is Petroleum Sulfonate safe for use in industrial applications?
Re: Petroleum sulfonates are generally considered safe for use in industrial applications when handled properly and used within recommended guidelines. Regulatory bodies have reviewed their safety profiles and approved them for various uses. However, as with all chemicals, appropriate handling practices should be followed to minimize exposure and ensure worker safety. Detailed safety information, including potential hazards and handling instructions, can be found in the Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) provided by suppliers. Users should conduct risk assessments specific to their application and adhere to local regulations.
Q4: What environmental considerations should be noted regarding Petroleum Sulfonate?
Re: Environmental considerations for petroleum sulfonates include biodegradability, toxicity, and impact on aquatic life. The biodegradability of petroleum sulfonates can vary depending on their molecular structure and the environmental conditions. Responsible disposal practices and adherence to local regulations are important to minimize any potential environmental effects. Manufacturers should assess the potential for bioaccumulation and toxicity to aquatic organisms when evaluating the environmental footprint of products containing this ingredient.
Petroleum Sulfonate Properties |
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| Other Names | N/A | |
| CAS No. | 61789-85-3 | |
| Compound Formula | NA | |
| Molecular Weight | N/A | |
| Appearance | Tan viscous liquid | |
| Melting Point | N/A | |
| Boiling Point | N/A | |
| Density | N/A | |
| Solubility in H2O | N/A | |
| Exact Mass | N/A | |
Petroleum Sulfonate Health & Safety Information |
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| Signal Word | N/A | |
| Hazard Statements | N/A | |
| Hazard Codes | N/A | |
| Risk Codes | N/A | |
| Safety Statements | N/A | |
| Transport Information |
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