Product Details
Specifications
- CAS Number: 99-96-7
- Purity: ≥ 99 % HPLC
- Grade: Industrial grade
- Molecular Formula: C7H6O3
- Molecular Weight: 138.12 g/mol
- Apperance: White powder crystals, tasteless, odorless, with a numbing sensation on the tongue when tasted.
- Application: Used as a preservative, dye, medicine and injection molding intermediate. It can be esterified with alcohols to produce parabens. It is also the main raw material for high molecular liquid crystal polymers and the raw material for pesticide intermediates.
Documentation
Production Manufacturer
Palkem India, based in Mumbai, India, is a prominent chemical company recognized for its reliable supply of high-quality chemicals across diverse industries. With a strong focus on customer satisfaction and continuous improvement, Palkem India has earned a reputation as a preferred supplier within the chemical sector. Offering an extensive product range, dependable delivery, and responsive customer service, Palkem India is well-positioned for ongoing growth and success.
Physicochemical properties
Physical Parameters
| Parameters | Value |
|---|---|
| Density | ~1.46 g/cm³ (solid) |
| Specific Gravity | ~1.46 (relative to water) |
| Solubility | Water: ~5 g/L (20 °C), Soluble in ethanol, ether, acetone, slightly in benzene |
| Refractive Index | ~1.54 (solid, estimated) |
| Vapor Pressure | Very low (sublimes instead of vaporizing) |
| Viscosity | Not applicable (solid at room temperature) |
| Phase | Solid at room temperature |
Chemical Parameters
| Parameters | Value |
|---|---|
| pH | ~4.5 (weakly acidic, 1% aqueous solution) |
| Chemical Stability | Stable under normal conditions, decomposes at high temperatures |
| Flash Point | >150 °C (non-flammable) |
| Oxidation State | Carbon: +3 (carboxyl), +2 (phenol) |
| Electronegativity (Pauling) | O: ~3.44, C: ~2.55, H: ~2.20 |
| Chemical Reactivity | Reacts with bases, undergoes esterification, decarboxylation at high T |
| Functional Groups | Carboxyl (–COOH), Phenolic hydroxyl (–OH) |
| Spectroscopic Data | IR: O–H (~3000 cm⁻¹), C=O (~1680 cm⁻¹); NMR (¹H): Aromatic (~6-8 ppm), –OH (~10-12 ppm) |
Product Grade Data |
||||
|---|---|---|---|---|
| Parameter | Industrial Grade (Qualified Product) | Industrial Grade (Superior Product) | Polymer Grade | Electronic Grade |
| Purity (mass %), ≥ | 99.0 | 99.9 | 99.6 | 99.9 |
| Melting Point (°C), ≥ | 212 | 214 | 214 | 215 |
| Odor | Odorless | Odorless | Odorless | Odorless |
| Solubility | Clear and transparent | Clear and transparent | Clear and transparent | Clear and transparent |
| Loss on Drying (mass %), ≤ | 0.5 | 0.3 | 0.2 | 0.2 |
| Color (APHA), ≤ | 35 | 25 | 10 | 8 |
| Ash Content (mass %), ≤ | 0.15 | 0.15 | 0.02 | 0.01 |
| Sulfate (as SO₄, mass %), ≤ | 0.05 | 0.04 | 0.01 | 0.01 |
| Chloride (as Cl, mass %), ≤ | 0.02 | 0.01 | 0.005 | 0.005 |
| Phenol Content (mass %), ≤ | 0.1 | <0.05 | 0.01 | <0.005 |
| Salicylic Acid Content (mass %), ≤ | 0.1 | <0.05 | 0.02 | <0.01 |
| 4-Hydroxyisophthalic Acid (mass %), ≤ | – | – | 0.05 | 0.03 |
| Potassium Ion (K⁺, mass %), ≤ | – | – | 0.0005 | 0.0003 |
| Sodium Ion (Na⁺, mass %), ≤ | – | – | 0.0005 | 0.0002 |
| Iron Ion (Fe³⁺, mass %), ≤ | – | – | 0.0005 | 0.0002 |
| Calcium + Magnesium Ions (mass %), ≤ | – | – | 0.001 | 0.0003 |
| Methanol-Insoluble Matter (mass %), ≤ | – | – | 0.005 | 0.002 |
| L-value Difference, ≤ | – | – | 5 | 3 |