Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Orthophosphoric acid
SKU:
TC533M
CAS Number :
7664-38-2
Synonym :
phosphoric acid
Molecular Formula :
H₃PO₄
Availability: In stock
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Product Description
| Molecular weight | 98.0 |
|---|---|
| Molecular formula | H3PO4 |
| CAS No. | 7664-38-2 |
Quality Control
| Appearance (USP) | Colorless, odorless liquid of syrupy consistency |
|---|---|
| Appearance (EP, BP, IP) | A clear, colourless, syrupy liquid; corrosive. When kept at a low temperature it may solidify, producing a mass of colourless crystals which do not melt until the temperature reaches 28°C |
| Solubility (USP) | Miscible with water and with alcohol |
| Solubility (IP) | Miscible with water and with ethanol (95%) |
| Solubility (EP, BP) | Miscible with water and with ethanol (96%) |
| Identification A (EP, BP, IP) | The solution is strongly acid |
| Identification A : Phosphate (USP) | Meets the requirements |
| Identification B : Phosphate (EP, BP, IP) | 6.66% solution in water gives the reaction of phosphates |
| Appearance of solution (EP, BP, IP) | 6.66% solution in water is clear and colourless |
| Substances precipitated with ammonia (EP, ВР) | Any opalescence in the solution is not more intense than that in a mixture of 10 mL of solution S and 8 mL of water |
| Specific gravity (USP) | ~1.7 |
| Relative density (EP, BP) | ~1.7 |
| Arsenic (EP, BP, IP) | <= 0.0002% |
| Heavy metals (IP) | <= 0.0010% |
| Iron (EP, BP) | <= 0.0050% |
| Iron (IP) | <= 0.0060% |
| Chloride (EP, BP, IP) | <= 0.0050% |
| Sulphate (EP, BP, IP) | <= 0.01% |
| Limit of nitrate (USP) | The blue color is not discharged within 1 min. |
| Sulfate (USP) | No precipitate is formed immediately |
| Alkali phosphates (USP, IP) | No turbidity is produced |
| Aluminium & calcium (IP) | The solution remains clear |
| Phosphorous or hypophosphorous acid (USP) | The mixture does not become brownish |
| Hypophosphorous acid and phosphorous acid (EP, BP, IP) | The appearance of the solution does not change |
| Assay: NaOH Titration (EP, BP, IP) | 84.00-90.00% |
| Assay: NaOH Titration (USP) | 85.00 - 88.00% by weight |
Storage and Shelf Life
| Storage | Store below 30°C away from bright light. |
|---|---|
| Shelf life | 48 months. |
| Usage | Use before expiry date given on the product label. |
CAS Number :
7664-38-2
Synonym :
phosphoric acid
Molecular Formula :
H₃PO₄
| Product Name | Orthophosphoric acid |
|---|---|
| SKU | TC533M |
| CAS No | 7664-38-2 |
| EC No. | 231-633-2 |
| Molecular formula | H₃PO₄ |
| Synonym | phosphoric acid |
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