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White, crystalline, hygroscopic solid having a slight mercaptan-like odor. Its solutions have a pH of about 4. Freely soluble in water and in methanol; soluble in dehydrated alcohol; practically insoluble in other organic solvents.
White, amorphous powder.
White or practically white, crystalline powder, having not more than a slight odor. Very slightly soluble in water and in ether; slightly soluble in alcohol; sparingly soluble in chloroform; soluble in methanol.
White, crystalline granules or white, crystalline powder. Is odorless, is slightly hygroscopic, and has a faint, saline taste. Is stable in air. Freely soluble in water. NF category: Chelating agent; complexing agent.
White, crystalline powder. Soluble in water. NF category: Chelating agent; complexing agent.
White, crystalline powder. Melts above 220
, with decomposition. Soluble in solutions of alkali hydroxides; very slightly soluble in water. NF category: Chelating agent; complexing agent.
White, odorless, crystalline powder. Its solution (1 in 10) is practically colorless. Very soluble in water; freely soluble in alcohol; insoluble in chloroform and in ether.
White to faintly yellow, crystalline powder. Soluble in water.
White or very slightly yellowish, odorless, crystalline powder. Is affected by light. Freely soluble in water and in alcohol.
Off-white, crystalline powder. Melts at about 144. Practically insoluble in nonpolar organic solvents; slightly soluble in semipolar organic solvents; sparingly soluble in water; soluble in alcohol; freely soluble in methanol and in dimethylformamide.
White to nearly white, hygroscopic, crystalline powder. Sparingly soluble in methanol and in dimethylformamide; slightly soluble in water and in isopropyl alcohol; very slightly soluble in acetone, in alcohol, and in hexane; practically insoluble in acetonitrile and in chloroform.
Clear, colorless, stable, volatile liquid, having a mild, sweet odor. Is nonflammable. Slightly soluble in water. Miscible with organic solvents, with fats, and with oils.
Unctuous, practically colorless solid or white crystals or granules. Gradually decomposes on exposure to light. Melts between 33 and 40, the variability in the melting point being the result of differences in the moisture content, anhydrous Ephedrine having a lower melting point than the hemihydrate of Ephedrine. Its solutions are alkaline to litmus. Soluble in water, in alcohol, in chloroform, and in ether; moderately and slowly soluble in mineral oil, the solution becoming turbid if the Ephedrine contains more than about 1% of water.
Fine, white, odorless crystals or powder. Is affected by light. Freely soluble in water; soluble in alcohol; insoluble in ether.
Fine, white, odorless crystals or powder. Darkens on exposure to light. Freely soluble in water; sparingly soluble in alcohol.
Clear, colorless solution. Is neutral or slightly acid to litmus.
White to practically white, odorless, microcrystalline powder or granules, gradually darkening on exposure to light and air. With acids, it forms salts that are readily soluble in water, and the base may be recovered by the addition of ammonia water or alkali carbonates. Its solutions are alkaline to litmus. Very slightly soluble in water and in alcohol; insoluble in ether, in chloroform, and in fixed and volatile oils.
Practically colorless, slightly acid liquid. Gradually turns dark on exposure to light and air.
Practically colorless, slightly acid liquid. Gradually turns dark on exposure to light and air.
Nearly colorless, slightly acid liquid. Gradually turns dark on exposure to light and air.
Colorless to faint yellow solution. Gradually turns dark on exposure to light and air.
White, or grayish-white or light brownish- gray, odorless, crystalline powder. Slowly darkens on exposure to air and light. Its solutions are acid to litmus, having a pH of about 3.5. Freely soluble in water; slightly soluble in alcohol; practically insoluble in chloroform and in ether.
White to off-white solid.
Clear, pale yellow liquid, gradually darkening on exposure to light and air.
White, odorless crystals. Is affected by air and by light. Insoluble in water; soluble in alcohol, in chloroform, in ether, and in fatty oils.
Clear liquid having the characteristics of the solvent used in preparing the Solution.
White to off-white, microcrystalline or amorphous, practically odorless powder. Slightly soluble in water; soluble in methanol and in alcohol; sparingly soluble in acetone.
White to grayish-white or faintly yellow, odorless, microcrystalline powder. Darkens with age and on exposure to light. Sparingly soluble in water; slightly soluble in alcohol; insoluble in ether and in chloroform.
Colorless crystals or white to yellowish-white, crystalline powder. Is odorless. Melts at about 180, with decomposition. One g dissolves in about 3200 mL of water; in the presence of a slight excess of tartaric acid 1 g dissolves in about 500 mL of water. Slightly soluble in alcohol.
White or slightly yellow, crystalline powder. Is odorless or practically odorless. Slightly soluble in water; soluble in alcohol, in chloroform, and in ether.
White, crystalline powder. Is odorless or practically odorless, and is practically tasteless. Soluble in alcohol, in acetone, and in chloroform; practically insoluble in water.
White or slightly yellow crystalline powder. Is odorless or practically odorless, and is practically tasteless. Very slightly soluble in water; freely soluble in alcohol, in chloroform, and in polyethylene glycol 400.
Colorless to white crystals. Slightly hygroscopic. Freely soluble in water, in alcohol, in methanol, in dioxane, and in propylene glycol; slightly soluble in acetone and in chloroform; practically insoluble in ether, in carbon tetrachloride, in benzene, and in toluene.
White or slightly yellow crystals or powder, having a faint odor. Its solution (1 in 20) is neutral or slightly alkaline. Freely soluble in water, in alcohol, and in methanol; slightly soluble in acetone and in chloroform; practically insoluble in ether.
White or slightly yellow crystals or powder. Is odorless or may have a slight, earthy odor, and has a slightly bitter taste. Practically insoluble in water; soluble in alcohol, in chloroform, in methanol, and in ether.
White or creamy white, small crystals or crystalline powder. Is odorless, and is stable in air. Is hygroscopic. Practically insoluble in water; soluble in alcohol, in acetone, in dioxane, in chloroform, and in solutions of fixed alkali hydroxides; sparingly soluble in vegetable oils.
White to practically white, crystalline powder. Is odorless or has a slight odor. Insoluble in water; soluble in alcohol, in acetone, in chloroform, and in dioxane; sparingly soluble in vegetable oils.
White, crystalline powder. Is usually odorless but may have a faint, fatty odor. Practically insoluble in water; soluble in castor oil, in methanol, in benzyl benzoate, and in dioxane; sparingly soluble in sesame oil and in peanut oil.
White to practically white, odorless, crystalline powder. Melts at about 280. Insoluble in water; sparingly soluble in alcohol; soluble in acetone, in chloroform, in dioxane, in ether, and in vegetable oils.
Conjugated Estrogens obtained from natural sources is a buff-colored, amorphous powder, odorless or having a slight, characteristic odor. The synthetic form is a white to light buff, crystalline or amorphous powder, odorless or having a slight odor.
White or buff-colored, amorphous powder, odorless or having a slight, characteristic odor.
Small, white crystals or white to creamy white, crystalline powder. Is odorless, and is stable in air. Melts at about 260. Practically insoluble in water; soluble in alcohol, in acetone, in dioxane, and in vegetable oils; slightly soluble in solutions of fixed alkali hydroxides.
White to yellowish-white, fine, crystalline powder. Is odorless, or may have a slight odor. Melts at about 190 to a light brown, viscous liquid, which solidifies on further heating and finally melts at about 245, with decomposition. Very slightly soluble in water, in alcohol, in chloroform, and in ether; soluble in warm water.
White or practically white, odorless or practically odorless, crystalline powder. Very slightly soluble in water; freely soluble in alcohol, in chloroform, and in ether.
White, crystalline powder. Freely soluble in water; soluble in alcohol and in methanol; slightly soluble in ether and in chloroform.
Colorless to yellow, slightly viscous liquid, having a characteristic pungent odor. Darkens on exposure to light and air. Immiscible with water; miscible with most organic solvents.
Colorless, mobile, volatile liquid, having a characteristic sweet, pungent odor. Is slowly oxidized by the action of air and light, with the formation of peroxides. It boils at about 35. Soluble in water and in hydrochloric acid. Miscible with alcohol, with benzene, with chloroform, with solvent hexane, with methylene chloride, and with fixed and volatile oils.
White to creamy white, odorless, crystalline powder. Insoluble in water; soluble in alcohol, in chloroform, in ether, in vegetable oils, and in solutions of fixed alkali hydroxides.
Straw-colored to amber-colored, oily liquid. It may possess an alliaceous odor. Insoluble in water; soluble in acetone, in chloroform, in ether, and in solvent hexane.
Bright yellow powder, having a faint to moderate sulfide-like odor. Slightly soluble in water, in chloroform, and in ether; soluble in methanol; sparingly soluble in alcohol and in propylene glycol.
White to pinkish-white, odorless or practically odorless powder. Very slightly soluble in water; soluble in acetonitrile, in acetone, in dehydrated alcohol, and in methanol; sparingly soluble in isopropyl alcohol, in dioxane, in ethyl acetate, and in methylene chloride; slightly soluble in ether.
White to off-white, crystalline powder or waxy solid, having a characteristic odor. Freely soluble in water and in chloroform; very soluble in alcohol and in ether; very slightly soluble in solvent hexane.
White, crystalline powder. Insoluble in water; freely soluble in dehydrated alcohol and in chloroform; soluble in ether.
Transparent, colorless liquid, having a fragrant, refreshing, slightly acetous odor, and a peculiar, acetous, burning taste. Soluble in water. Miscible with alcohol, with ether, with fixed oils, and with volatile oils. NF category: Flavors and perfumes; solvent.
Colorless, mobile, very volatile liquid at low temperatures or under pressure, having a characteristic, ethereal odor. It boils between 12 and 13, and its specific gravity at 0 is about 0.921. When liberated at room temperature from its sealed container, it vaporizes immediately. It burns with a smoky, greenish flame, producing hydrogen chloride. Slightly soluble in water; freely soluble in alcohol and in ether.
Mobile, practically colorless liquid, having an agreeable taste. Insoluble in water. Miscible with vegetable oils, with mineral oil, with alcohol, and with most organic solvents. NF category: Vehicle (oleaginous).
Fine, white or slightly yellowish crystals. Its taste and odor are similar to the taste and odor of vanillin. Is affected by light. Its solutions are acid to litmus. Sparingly soluble in water at 50; freely soluble in alcohol, in chloroform, in ether, and in solutions of alkali hydroxides. NF category: Flavors and perfumes.
Free-flowing, white to light tan powder. It forms films that have a refractive index of about 1.47. Its aqueous suspensions are neutral to litmus. Insoluble in water, in glycerin, and in propylene glycol. Ethylcellulose containing less than 46.5% of ethoxy groups is freely soluble in tetrahydrofuran, in methyl acetate, in chloroform, and in mixtures of aromatic hydrocarbons with alcohol. Ethylcellulose containing not less than 46.5% of ethoxy groups is freely soluble in alcohol, in methanol, in toluene, in chloroform, and in ethyl acetate. NF category: Coating agent; tablet binder.
Clear, colorless or only slightly yellow liquid, having an ammonia-like odor and a strong alkaline reaction. Miscible with water and with alcohol.
White or almost white, waxy solid. Soluble in acetone and in hot alcohol; practically insoluble in water. NF category: Emulsifying and/or solubilizing agent.
Small, colorless crystals or white powder. Slightly soluble in water and in glycerin; freely soluble in acetone, in alcohol, in ether, and in propylene glycol. NF category: Antimicrobial preservative.
White, odorless, crystalline powder. Is stable in air. Insoluble in water; very soluble in chloroform; freely soluble in ether; soluble in alcohol; sparingly soluble in fixed oils.
White powder, which may contain lumps. Freely soluble in water; practically insoluble in alcohol.
Fine, white to off-white, crystalline powder. Very slightly soluble in water; slightly soluble in alcohol, in chloroform, in ethyl acetate, and in methylene chloride; sparingly soluble in methanol.
White, granular, odorless powder. Its solutions are neutral to litmus. Very soluble in water; freely soluble in alcohol and in chloroform; insoluble in ether.
Colorless or pale yellow liquid, having a strongly aromatic odor of clove and a pungent, spicy taste. Upon exposure to air, it darkens and thickens. Is optically inactive. Slightly soluble in water. Miscible with alcohol, with chloroform, with ether, and with fixed oils.