Caustic Soda · Sulfur · Urea
3D render — PETRO STELLAR product media library
PETRO STELLAR supplies high-quality industrial chemicals including Caustic Soda, Sulfur and Urea for a wide range of industrial, agricultural, water treatment and manufacturing applications. All products comply with international standards and are supplied with Product Data Sheet (PDS), Safety Data Sheet (SDS) and Certificate of Analysis (COA).
Consistent and stable quality, complying with international standards.
Wide range of industrial applications with competitive pricing.
Flexible packaging and delivery options with technical support.
| Property | Typical Value | Unit | Test Method |
|---|---|---|---|
| Sodium Hydroxide (NaOH) | Min. 98.5 | % | — |
| Sodium Carbonate (Na₂CO₃) | Max. 0.5 | % | — |
| Sodium Chloride (NaCl) | Max. 0.05 | % | — |
| Iron (Fe) | Max. 0.003 | % | — |
| Mercury (Hg) | Max. 0.0001 | % | — |
| Nickel (Ni) | Max. 0.001 | % | — |
| Appearance | White Flakes | — | Visual |
| NaOH (as 100%) — physical | Min. 99.0 | % | — |
| Melting Point — physical | 318 | °C | — |
| Density (at 20 °C) — physical | 2.13 | g/cm³ | — |
| Bulk Density — physical | 0.8 – 1.0 | g/cm³ | — |
| Solubility in Water (20 °C) — physical | 1110 | g/L | — |
| Property | Typical Value | Unit | Test Method |
|---|---|---|---|
| Total Sulfur (S) | Min. 99.5 | % | — |
| Ash | Max. 0.1 | % | — |
| Moisture | Max. 0.2 | % | — |
| Acid Insoluble Matter | Max. 0.05 | % | — |
| Organic Matter | Max. 0.1 | % | — |
| Melting Point | 112.8 – 114.5 | °C | — |
| Color (Gardner) | Max. 5 | — | — |
| Appearance | Yellow Lump / Powder | — | Visual |
| Molecular Weight — physical | 32.06 | g/mol | — |
| Density (at 20 °C) — physical | 2.07 | g/cm³ | — |
| Bulk Density (Lump) — physical | 800 – 1100 | kg/m³ | — |
| Bulk Density (Powder) — physical | 700 – 1000 | kg/m³ | — |
| Solubility in Water (20 °C) — physical | Insoluble | — | — |
| Property | Typical Value | Unit | Test Method |
|---|---|---|---|
| Total Nitrogen (N) | Min. 46.0 | % | — |
| Biuret | Max. 1.0 | % | — |
| Moisture | Max. 0.5 | % | — |
| Particle Size (1.0 – 4.0 mm) | Min. 90 | % | — |
| Formaldehyde | Max. 5 | mg/kg | — |
| Ash | Max. 0.3 | % | — |
| Appearance | White prills | — | Visual |
| Molecular Weight — physical | 60.06 | g/mol | — |
| Density (at 20 °C) — physical | 1.32 | g/cm³ | — |
| Bulk Density — physical | 750 – 850 | kg/m³ | — |
| Solubility in Water (20 °C) — physical | 1080 | g/L | — |
| pH (1% solution at 25 °C) — physical | 8.0 – 9.5 | — | — |
