Preservatives - Hongding Chem Chemical Reagents Tue, 17 Jun 2025 06:47:16 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 246622208 Sodium Benzoate https://hongdingintl.com/products/sodium-benzoate/ Tue, 17 Jun 2025 06:09:53 +0000 http://www.hongdings.com/?post_type=product&p=3076 Sodium benzoate is white granules or crystalline powder. It is widely used as preservatives in food, pharmaceuticals, fine chemistry, feed additive, water treatment, and personal care industry.

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]]> Product Name: Sodium Benzoate
CAS No: 532-32-1
Einecs No: 208-534-8
HS Code: 2916310090
Formula: C7H5O2Na
Grade Standard: Tech Grade, Food Grade
Appearance: White granules or crystalline powder
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Food: Preservative for Beverages, jams and jellies, pickled foods, seasonings, baked foods…
Pharmaceuticals: Preservative for syrup, oral liquid, injection, eye drops…
Fine Chemistry: Anticorrosive agents, lubricant additives and rust inhibitors…
Feed Additive: Preservative, digestion improving
Water treatment: Corrosion inhibitor
Personal care: Preservative

Specification

Item Range Unit Standard
Sodium benzoate (on dry basis) ~ ω/% 99.0～100.5
Solution whiteness (Pt-Co color No.) ≤ Hazen 20
Clarity test of solutions – – Pass
Oxidizable – – Pass
Acidity & alkalinity – – Pass
Heavy metals (as Pb) ≤ mg/kg 10
Sulfate (as SO4) ≤ ω/% 0.1
Chloride (as Cl) ≤ ω/% 0.02
Phthalic acid ≤ ω/% 150
Loss on drying ≤ ω/% 1.5

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]]> 3076 Potassium Sorbate https://hongdingintl.com/products/potassium-sorbate/ Sat, 14 Jun 2025 02:11:07 +0000 http://www.hongdings.com/?post_type=product&p=3059 Potassium Sorbate is white crystalline powder. It is widely used as preservative in food, beverages and feed industry, also used in cosmetics, cigarettes, resins, spices and rubber industry.

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]]> Product Name: Potassium Sorbate
CAS No: 24634-61-5
Einecs No: 246-376-1
HS Code: 2916190090
Formula: C6H7KO2
Grade Standard: Food Grade
Appearance: White crystalline powder
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Widely used as preservative in food, beverages and feed industry, also used in cosmetics, cigarettes, resins, spices and rubber industry.

Specification

Item Range Unit Standard
Potassium sorbate (as C6H7KO2) Between ω/% 98.0～101.0
Loss on drying ≤ ω/% 1
Chloride (as Cl) ≤ ω/% 0.018
Sulfate (as SO4) ≤ ω/% 0.038
Aldehydes (as HCHO) ≤ ω/% 0.1
Heavy metals (as Pb) ≤ mg/kg 10
Arsenic (As) ≤ mg/kg 3
Lead (Pb) ≤ mg/kg 2
Clarity – – Pass
Free alkali – – Past

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