| ≥1 piece |
Sodium Methyl p-Hydroxybenzoate
product number: SX2008
Chemical name: Methyl 4-hydroxybenzoate sodium salt
Product name:Methyl 4-hydroxybenzoate,sodium salt
Molecular formula:C8H7O3Na
Molecular weight:174.1
CAS#:5026-62-0
Physical and chemical properties: white hygroscopic powder. Soluble in water.
Quality standard
| Item | Index | ||
| BP | USP | GB 30601-2014 | |
| Appearance | White crystalline powder | White crystalline powder | White or nearly white powder |
| Clarity and color of solution | The solution is clear | / | Qualified |
| Content (dry basis)% | 99.0-102.0 | 98.5-101.5 | 98.5-101.5 |
| pH | 9.5-10.5 | 9.5-10.5 | 9.5-10.5 |
| Sulfate ≤ | 300 ppm | 0.12 % | 0.030% |
| Related substances | Qualified | / | 4-Hydroxybenzoic acid≤4.0%, other single impurities≤0.5%, the sum of the other single impurities≤1.0% |
| Chloride %≤ | 0.035 | 0.035 | 0.035 |
| Organic volatile impurities | / | Qualified | / |
| Moisture % ≤ | 5.0 | 5.0 | 5.0 |
| Heavy metal ppm ≤ | 10 | / | (Pb≤2) |
Uses: This product is widely used in pharmaceutical, food, cosmetics, feed, manufactured goods for daily use, and other industries.
Packing: 20kg carton, 40×500g color plastic packaging; export product is packed by 25kg cardboard drum lined with composit ealuminum bag.
*Special requirements can be negotiated