Potassium dihydrogen phosphate anhydrous

SKU:
TC011M
CAS Number : 7778-77-0
Molecular Formula : KH₂PO₄
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Product Identifier

Product Code TC011M

Product Description

Molecular weight 136.09
Molecular formula KH2PO4
CAS No. 7778-77-0
Synonyms Monobasic Potassium phosphate

Technical Specification

Appearance (EP, BP) White or almost white crystalline powder or colourless crystals
Solubility (EP, ВР) Freely soluble in water, practically insoluble in ethanol (96%)
pH (c = 10% in water at 25°C) (ЕР, ВР) 4.20-4.50
Identification A (USP) Reactions for potassium
Identification A (EP, BP) 10% in water is faintly acid
Identification B (USP) Reactions for phosphate
Identification B (EP, BP) Reactions for phosphate
Identification C (EP, BP) Reactions for potassium
Appearance of solution (EP, BP) Solution is clear and colourless.
Insoluble substances (USP) <= 0.2%
Arsenic (USP) <= 0.0003%
Arsenic (EP, BP) <= 0.0002%
Chloride (EP, BP) <= 0.02%
Heavy metals (USP) <= 0.002%
Iron (EP, BP) <= 0.001%
Sulphate (EP, ВР) <= 0.03%
Fluoride (USP) <= 0.001%
Reducing substances (EP, BP) Passes test
Sodium (EP, BP) <= 0.10%
Lead (USP) <= 0.0005%
Loss on drying (at 105°, 4hr) (USP) <= 1.00%
Loss on drying (at 125 - 130°C) (EP, BP) <= 2.00%
Assay (NaOH T, on dry basis) (USP) 98.00 - 100.50%
Assay (NaOH T, on dry basis) (EP, BP) 98.00 - 100.50%

Storage Information

Storage Conditions Store below 30°C.
Shelf life 48 months.
Usage Instruction Use before expiry date given on the product label.
CAS Number : 7778-77-0
Molecular Formula : KH₂PO₄
More Information
Product Name Potassium dihydrogen phosphate anhydrous
SKU TC011M
CAS No 7778-77-0
EC No. 231-913-4
Molecular formula KH₂PO₄
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