You are in browse mode. You must login to use MEMORY

level: DYES (SLIDE 80)

Questions and Answers List

level questions: DYES (SLIDE 80)

Question	Answer
Methyl p- Hydroxybenzoate White crystalline powder Soluble in water and alcohol Slightly soluble in nonpolar organic solvents Used as safeguard against mold growth	METHYLPARABEN
Methyl p- Hydroxybenzoate White crystalline powder Soluble in water and alcohol Slightly soluble in nonpolar organic solvents Used as safeguard against mold growth	METHYLPARABEN
Methyl p- Hydroxybenzoate White crystalline powder Soluble in water and alcohol Slightly soluble in nonpolar organic solvents Used as safeguard against mold growth	METHYLPARABEN
Hexamethyl-p-rosaniline chloride, crystal violet, methyl violet, methylrosaniline chloride Green powder or green flakes with a metallic sheen Soluble in water (1:35), alcohol (1:10) Insoluble in nonpolar organic solvents	GENTIAN VIOLET
GENTIAN VIOLET 1 treatment of yeast infections 2 treatment of ringworm and yeast infections 3 Gential Violet Oral use is anthelmintic for __	1) Vaginal Suppositories 2) 1%-3% solutions 3) strongyloidiasis (threadworm) and oxyuriasis
Mixture of chlorides of rosaniline and p- rosaniline Green crystalline powder with metallic appearance Soluble in water, alcohol Insoluble in ether	BASIC FUCHSIN
topically for tx of fungal infections (ringworm and athlete’s foot)	Carbol-fuchsin sol ( Castellani’s paint):
3,7-bis(dimethylamino)-phenazat hionium chloride (Urised) Dark green crystalline powder Tx for cystitis and urethrisis Bacteriostatic Colors the urine and stool blue green	METHYLENE BLUE
1 Elemental mercury in ointments for localized infections and syphilis 2 impetigo, psoriasis, ringworm 3 treatment inflammation of eye but irrigating, cause hypersensitivity	1 MERCURY COMPOUNDS (MERCURIALS) 2 Ammoniated mercury [Hg(NH2)Cl] 3 Mercuric ion
1 ORGANOMERCURIALS2 classes 2 Organic moiety increase __ solubility facilitating penetration into microorganisms and host tissues	1 a) Compounds with at least one carbon-mercury bond that does not ionize readily b) Compounds with mercury bonded to heteroatoms (O, N, S) that ionize partially or completely- 2 lipid
3-(Hydroxymercuri)-4-nitro-o- resol inner salt BN: Metaphen Yellow powder Practically insoluble in water Sparingly soluble in alcohol and most organic solvents Nonirritating to mucous membrane, nonstaining Antiseptic for skin and ocular infections	NITROMEROSOL
[(o-Carboxyphenyl)-thio]ethylmercury sodium salt BN: Merthiolate Cream-colored, water-soluble powder nonstaining and nonirritating Weakly bacteriostatic antiseptic applied topically in ointments or aq solutions	THIMEROSAL
IDEAL PRESERVATIVES	1 Effective at low concentration against all possible microorganisms 2Nontoxic and compatible with other constituents 3 Stable for the shelf life of the preparation
Esters of p-hydroxybenzoic acid (parabens): antifungal properties Toxicity is low, undergo rapid hydrolysis> quickly conjugated and excreted Metyl esters: molds Propyl esters: yeasts more lipid soluble is preferred for drugs in oil or lipophilic bases	P-HYDROXYBENZOIC ACID DERIVATIVES
Methyl p- Hydroxybenzoate White crystalline powder Soluble in water and alcohol Slightly soluble in nonpolar organic solvents Used as safeguard against mold growth	METHYLPARABEN
Propyl p-hydroxybenzoate White crystalline powder Slighlty sol in water Soluble in most organic solvents Preservative against yeast growth Propylparaben Na: water soluble sodium salth of 4-phenol group, pH 10	PROPYLPARABEN
N-Butyl p-hydroxybenzoate White crystalline powder Sparingly soluble in water Very soluble in alcohols and nonpolar organic solvents	BUTYLPARABEN
Ethyl p-hydroxybenzoate white crystalline powder that is slightly soluble in water Soluble in alcohol and organic solvents	ETHYLPARABEN