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  • Famous Suppliers - N-Ethyl-2-Pyrrolidone – Y&R

    Famous Suppliers - N-Ethyl-2-Pyrrolidone – Y&R

    N-Ethyl-2-Pyrrolidone is a colorless to slightly yellowish liquid with a faint amine odor, as an aprotic and highly polar organic solvent is completely miscible with water . Key Technical Parameters: Appearance  Colorless to Slightly yellow liquid  Purity 99.5% min. Water 0.1% max. g-Butyrolactone 0.1% max. Amines 0.1% max. Colour(APHA) 50 max. Applications: Used as Intermediates for the synthesis of agrochemicals, pharmaceuticals, textile auxiliaries, plasticizers, polymer so...
  • China Factory - Poly(Methylvinylether/Maleic Acid)Mixed Salts – Y&R

    China Factory - Poly(Methylvinylether/Maleic Acid)Mixed Salts – Y&R

    The copolymer supplied in powder form, is slowly soluble in water resulting in amber-colored solutions with high viscosity and adhesivity. It is used as a bioadhesive in denture adhesives, and as mucoadhesive for drug delivery to mucous membranes.And the Calcium salt bridges enhance cohesive properties.It’s excellent Wet adhesive strength,Long-lasting Hold,Mucoadhesive that enables delivery to mucous membranes. Key Technical Paremeters: Appearance White to off-white powder Water ...
  • Best Quality - Kojic Acid – Y&R

    Best Quality - Kojic Acid – Y&R

    Kojic Acid is known as 5- hydroxyl -2- hydroxymethyl -1 and 4- piranone. It is a weak acidic organic compound made by fermentation of microorganisms.Fine tramperic acid is a white or yellowish needle like crystal; easily soluble in water, alcohol and acetone, slightly soluble in ether, ethyl acetate, chloroform and pyridine, insoluble in benzene; its molecular formula is C6H6O4,Molecular weight142.1,Melting point153~156℃. Key Technical Parameters Appearance White or off white crystal As...
  • Best Price - Carbomer 940 – Y&R

    Best Price - Carbomer 940 – Y&R

    Carbomer 940 is a cross-linked polyacrylate polymer. It is an extremely efficient rheology modifier capable of providing high viscosity and forms sparkling clear water or hydroalcoholic gels and creams.Carbomer 940 polymer short flow (non-drip) properties are ideal for applications such as clear gels, hydroalcoholic gels, creams.  Key Technical Parameters: Appearance White Powder,fluffy Odor Slightly Acetic Vicosity  0.2% Neutralized Solution 20,000~35,000 0.5% Neutralized Solution 4...
  • Best Quality - Sodium Ascorbyl Phosphate – Y&R

    Best Quality - Sodium Ascorbyl Phosphate – Y&R

    Sodium  Ascorbyl Phosphate derivative of vitamin C, vitamin C is based on modern science and technology for the processing of raw materials made using this product, whether orally or absorbed through the skin into the body, can rapidly digested by phosphatase to free vitamin C , vitamin C play unique physiological and biochemical functions.Sodium Phosphate Vitamin C Vitamin C has all the effectiveness of both. Vitamin C also overcome sensitive to light, heat and metal ions, easily oxidized sh...
  • China Factory - PEG-75 Lanolin – Y&R

    China Factory - PEG-75 Lanolin – Y&R

    PEG-75 Lanolin is a water soluble moisturiser and conditioner with a gentle cleansing action. It can be used as a skin and hair conditioner in a wide range of aqueous preparations such as bath foams, shampoos and conditioners, cleansing hand gels and washing up liquids. Key Technical Parameters Appearance Waxy Falkes Color Yellow to amber Odour Faint Characteristic Acid Value,mgKOH/g 5.0 max. Saponification Value,mgKOH/g 20.0 max. Water,% 0.5 max. pH(5% aqueous solution) 3.5~8....
  • Best-Selling - Polyquaternium-6 – Y&R

    Best-Selling - Polyquaternium-6 – Y&R

    Polyquaternium-6(PQ-6) is a homopolymer with high cationic activity,it provides excellent conditioning effect for hair care products.Polyquaternium-6 is clear to slight yellow,viscous liquid. Easy to dissolve in water, but not easy to combust. It has strong coagulate dint and good water solution stability.It’s not form gel and keep stable in the wide pH range. Anti-chlorine and high charge density. Key Technical Parameters: Appearance                             Colorless or yellowish tran...
  • Good Quality - DL-Panthenol 50% – Y&R

    Good Quality - DL-Panthenol 50% – Y&R

    DL-Panthenol 50% is a great humectants,it’s a colorless to pale yellow viscous liquid,soluble in water,alcohol,propylene glycol.DL-Panthenol is also known as Provitamin B5,which plays a key role in the human intermediary metabolism.Deficiency of Vitamin B5 can result in many dermatological disorders.DL-Panthenol is applied in almost all types of cosmetic preparations.DL-Panthenol cares hair,skin and nails.In skin,DL-Panthenol is a deep penetrative humectants.DL-Panthenol can stimulate the gro...
  • Famous Suppliers - PVP Iodine – Y&R

    Famous Suppliers - PVP Iodine – Y&R

    PVP Iodine,also called as PVP-I,Povidone Iodine.Exists as free flowing,redish brown powder,non-irritant with good stability,dissolve in water and alcohol,insoluble in diethylethe and chloroform. Broad spectrum biocide; Water soluble, also soluble in: ethyl alcohol, isopropyl alcohol, glycols, glycerin, acetone, polyethylene glycol; Film-forming; Stable complex; Less irritating to skin and mucosa; Non-selective germicidal action; No tendency for generating bacterial resistance. Key Technical P...
  • Good Quality - DL-Panthenol Powder – Y&R

    Good Quality - DL-Panthenol Powder – Y&R

    DL-Panthenol is a great humectants,with white powder form,soluble in water,alcohol,propylene glycol.DL-Panthenol is also known as Provitamin B5,which plays a key role in the human intermediary metabolism.Deficiency of Vitamin B5 can result in many dermatological disorders.DL-Panthenol is applied in almost all types of cosmetic preparations.DL-Panthenol cares hair,skin and nails.In skin,DL-Panthenol is a deep penetrative humectants.DL-Panthenol can stimulate the growth of epithelium and has an...
  • Professional China - Alpha-Arbutin – Y&R

    Professional China - Alpha-Arbutin – Y&R

    Alpha Arbutin exhibits impressive tyrosinase inhibition and is nine times more effective than Beta-Arbutin. Very low IC50 values indicates the power of  Alpha-Arbutin. The outstanding efficacy of Alphar-Arbutin is due to its perfect affinity to the active site of tyrosinase. Alpha-Arbutin is water soluble and easily incorporated into the water phase of cosmetic formulations. It is stable againsthydrolysis as tested in the pH range from 3.5 – 6.6. Suggested concentration: 0.2% when formu...
  • Best Quality - Poly(Methylvinylether/Maleic Anhydride)Copolymer – Y&R

    Best Quality - Poly(Methylvinylether/Maleic Anhydride)Copolymer – Y&R

    Insoluble in water , soluble in THF , Acetone , etc.Hydrolysis happens in water under proper condition.For production of di-acid products and half ester products. Key Technical Parameters: Types YR-VM/MA AP13 YR-VM/MA AP30 YR-VM/MA AP70 YR-VM/MA AP125 YR-VM/MA AP250 Appearance Whiter to off-white free flowing powder Specific Viscosity(1% in 2-Butanone) 0.1~0.5 0.5~1 1.0~1.5 1.5~2.5 2.5~4.0 Molecular Weight 130,000~200,000 200,000~500,000 500,000~1,000,0000 1,000,000~1,800,000 1,800...
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