Phenylmercuric Nitrate BP Ph Eur USP NF Grade Suppliers & Exporters, CAS 55-68-5 |
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SDS MSDS of Phenylmercuric Nitrate BP Ph Eur USP NF Grade Manufacturers
Phenylmercuric Nitrate
CAS Number 55-68-5, BP Ph Eur USP NF Grade & Pure
Phenylmercuric nitrate is an organomercury compound with powerful antiseptic and antifungal effects. It was once commonly used as a topical solution for disinfecting wounds. It is still used in low concentrations as a preservative in eye drops for ophthalmic use.
Specifications of Phenylmercuric Nitrate BP Ph Eur Grade
Ph Eur --- CAS 55-68-5
Action and use: Antiseptic; antimicrobial preservative.
DEFINITION
Mixture of phenylmercuric nitrate (C6H5HgNO3; Mr 339.7) and phenylmercuric hydroxide (C6H5HgOH; Mr 294.7).
Content: 62.5 per cent to 64.0 per cent of Hg (Ar 200.6) (dried substance).
CHARACTERS
Appearance: White or pale yellow powder.
Solubility: Very slightly soluble in water and in ethanol (96 per cent), slightly soluble in hot water. It dissolves in glycerol and in fatty oils.
IDENTIFICATION
A. To 5 ml of solution S add 8 ml of water and 0.1 ml of sodium sulphide solution. A white precipitate is formed that darkens slowly on heating.
B. To 1 ml of a saturated solution of the substance to be examined add 1 ml of dilute hydrochloric acid. A white, flocculent precipitate is formed.
C. To 5 ml of solution S add 1 ml of dilute hydrochloric acid, 2 ml of methylene chloride and 0.2 ml of dithizone solution. Shake. The lower layer is orange-yellow.
D. About 10 mg gives the reaction of nitrates.
TESTS
Solution S: To 0.1 g add 45 ml of water and heat to boiling with shaking. Cool, filter and dilute to 50 ml with water.
Appearance of solution: Solution S is colourless.
Inorganic mercuric compounds: Maximum 0.1 per cent.
Loss on drying: Maximum 1.0 per cent, determined on 1.000 g by drying in vacuo for 24 h.
Specifications of Phenylmercuric Nitrate USP NF Grade
Mercury, (nitrato-O)phenyl-.
Nitratophenylmercury --- CAS 55-68-5
Phenylmercuric Nitrate is a mixture of phenylmercuric nitrate and phenylmercuric hydroxide containing not less than 87.0 percent and not more than 87.9 percent of phenylmercuric ion (C6H5Hg+), and not less than 62.75 percent and not more than 63.50 percent of mercury (Hg).
Identification:
A: Add 3 mL of sulfuric acid to 0.1 g of it: the mixture becomes yellow, and the characteristic odor of nitrobenzene is evolved.
B: To 5 mL of a saturated solution of it add 1 mL of 3 N hydrochloric acid: a white precipitate is formed.
C: To 5 mL of a saturated solution of it add 5 mL of ammonium sulfide: there is no reaction in the cold, but upon heating in a boiling water bath for 10 minutes a black precipitate is formed.
Residue on ignition: not more than 0.1%.
Mercury ions: To 5 mL of a saturated solution add 5 mL of 1 N sodium hydroxide: no yellow precipitate is formed (mercuric ions) and the solution does not darken (mercurous ions).
Assay for phenylmercuric ions: To pass the test.
Assay for mercury: To pass the test.
Phenylmercuric Nitrate BP Ph Eur USP NF Grade Manufacturers:
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