Sodium Metabisulfite (China)
Cosmetics
Code: 35276
antioxidants or antioxidants for maintaining the quality of ingredients in formulas
Sodium Metabisulfite antioxidants or antioxidants for maintaining the quality of ingredients in formulas
Use: For mixing any formulation to help maintain the quality of the ingredients.
Mixing method: Mix in the water part in the recipe.
Usage rate: 0.1-0.2% (recommended 0.2%)
Product characteristics: White powder - light color (off-white)
Solubility: can dissolve in water
Storage: can be stored at room temperature But close the lid of the bottle tightly. and protected from sunlight or heat, the product has a shelf life of at least 2 years
INCI Name : Sodium Metabisulfite (as preservative, usage up to 0.2%)
- 400Hour(s)
- low
- Room (25-40C)
- 24 Months from manufacturing or testing date.
- 0.10% - 0.50%
- 0.20%
- Add into water phase. Heat tolerant.
- Avoid heat above 80C
- 3.00 - 7.00
- Soluble in Water
- -
| Test Name | Specification |
|---|---|
| Appearance | White Crystalline Powder |
| Purity (Na₂S₂O₅) | 98.00% min. |
| Sulfur Dioxide (SO₂) | 65.00% min. |
| Water Insoluble | 0.05% max. |
| Iron (Fe) | 0.001% max. |
| Heavy Metal (Pb) | 0.0002% max. |
| Arsenic (As) | 0.0002% max. |
| pH | 4.00 – 4.80 |
| Sodium Sulfite (Na₂SO₃) | 2.00% max. |
| Sodium Sulfate (Na₂SO₄) | 1.00% max. |
| Selenium (Se) | 0.0005% max. |
| Lead (Pb) | 0.0001% max. |
| Thiosulfate | 0.10% max. |
| Mercury (Hg) | 0.0001% max. |
| Chloride (Cl) | 0.005% max. |
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