Product Identification.:
Product name: Sodium benzoate
Synonyms: Benzoic acid sodium salt, Sodium salt of phenylcarboxylic acid, Sodium salt of benzenecarboxylic acid
Molecular Formula: C7H5O2Na
Molecular Weight: 144.11
CASE NO: 532-32-1
Product Grade: Food grade / Industrial grade / Pharma grade
Quality standard.: (see table)
The quality conforms to BP / USP / E211 / FCC / EP Standard.
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Sodium benzoate index
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Items
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Index
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Content (as dry product C7H5NaO2)
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99-100.5%
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Loss on drying
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≤1.5% after drying at 105 °C for four hours
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Melting point for benzoic acid
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121.5-123.5℃
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Acidity or alkalinity
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≤0.25 ml/N
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Arsenic
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≤3 ppm
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Halogenide (Fecl3)
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≤0.02%
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Heavy metal
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≤10 ppm
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Total Cl Content
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≤0.06%
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Lead
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≤5 ppm
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Mercury
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≤1 ppm
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Positive test of presence of benzoate and sodium
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Qualified with regulations
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Readily oxidizable substances
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Qualified with regulations
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Polycyclic acid
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Pass test
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Chloride
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≤200 ppm
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Chlorinated organic compounds
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<600 ppm
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Degree of acidity or alkalinity
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Qualified with regulations
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Dissoluble state
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Pass test
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Compound easy to be oxide
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Pass test
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Shelf life
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2 years
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