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Chemical name: 2,2'-dihydroxy-4,4'-dimethoxybenzophenone

INCI name :BP-6; benzophenone-6;

2,2'-dihydroxy-4,4'-dimethoxybenzophenone

CAS-No:131-54-4

MolecularFormulaandweight :C15 H14O5/ 274 g.mol

Specification

Appearance: Light yellow crystalline powder

Melting point: 134.0-136.0degree

Moisture: 0.5% max

Color :4.0 max

K value: 49.0 min

UV Absorbance 300-400nm: 1.0% max 450-550nm 90.0% min

geliang

2,2',4,4'-tetrahydroxy Benzophenone(Benzophenone-2)

Molecular Formula: C13H10O5

Molecular Weight: 246.0

CAS No.: 131-55-5

Appearance: Light yellow crystalline powder

Assay: 99.0% Min

Loss on drying: 0.5%max

Melting point: 195.0degree Min

Color: 3.0 max

A1/1(345nm): 580 Min

Turbidity: 12 NTU

Packing: 25kg net Cardboard drum

geliang

Chemical name

2,2'-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol]

Introduction

UV-360 is a highly effective ultraviolet light absorber. It exhibits strong absorbance in the 300-400nm region and is compatible with various resins, Featured by its character of very low volatile,

UV-360 can be used in combination with HALS or antioxidant, it is particularly suitable for processing and aging conditions where high temperature, low volatility and good compatibility are required, such as complex molding, fibers, sheets, laminated or coextruded semi-finished parts.

Appearance : Slightly yellow powder

Assay :min 99%

Melting point : 195 °C

Loss on drying : max0.5%

Ash : max 0.1%

Transmittance: 440nm≥97% 500nm≥98%

geliang

-[2'-hydroxy-3',5'-di-t-butyl-phenyl]-benzotriazole

Introduction

UV-320 is a highly effective light stablizer for a variety of plastics and other organic substrates including unsaturated polyesters , PVC and PVC plastisol. Good results are also expected when UV-320 is used in polycarbonates. polyurethanes. polyamides. Synthetic fibers. particularly those with a polyester, epoxy resin base. UV-320 features strong UV absorption excellent compatibility in a variety of substrates and low volatility and protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering,

Appearance : Slightly yellow powder

Assay : min 99%

Melting point : 152-154 °C

Loss on drying : max 0.5%

Ash : max 0.1%

Transmittance: 440nm≥97%

500nm≥98%

geliang

Chemical name : Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate

Introduction : UV-770 is a hindered amine light stabilizer (HALS), is used for polypropylene (tapes, films, thick items), polyethlene (thin and thick items) styrenics (acrylonitrile butadienestyrene, polystyrene, high impact polysyrene), polyurethane, polyacetaL, polyamide.

Molecular Weight : 481

Appearance : white crystals

Melting Range : 81-85 °C

Flashpoint : >150 °C

pecific Gravity(20 °C ) : 1.05 g/cm3

geliang

Chemical nameBis(1,2,2,6,6-pentamethyl-4-piperidinyl)-sebacate and 1-(Methyl)-8-(1,2,2,6,6-pentamethyl-4-piperidinyl)-sebacate

Introduction

UV-292 liquid hindered amine light stabilizer which is widely used to improve the weatherability of a variety of polymers. UV-292 is a highly effective effective used for a wide range of polymers and applications including polyurethanes, sealants, adhesives, elastomers, unsaturated polyesters, acrylics, vinyl polymers(PVB,PVC).

Hindered amine light stabilizer,mainly used in paints and printing ink,especially developed for coating. It’s effciency provides significantly estended life time. It has cooperacive effects with UV absorbers of bebzotriazo.

Appearance : clear, slight yellow liquid

Assay : min 99%

Melting point :min 350 °C

Transmittance: 425nm≥97%

500nm≥98%

geliang

Chemical name : 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole

Introduction : UV-329 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-329 is an effective light stabilizer for a variety of plastics and other organic substrates.

Empirical Formula : C20H25N30

Molecular Weight : 323

Appearance : white powder

Melting Range : 103-105 °C

Flashpoint : 150 °C

Specific Gravity(20 °C ) : 1.18g/cm3

geliang

Chemical name : 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole

Introduction : UV-328 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-328 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.

Empirical Formula : C22H29N30

Molecular Weight : 351.5

Appearance : slight yellow powder

Melting Range : 80-88 °C

Flashpoint : 229 °C

Specific Gravity(20 °C ) : 1.17g/cm3

geliang

Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

Introduction : UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.

Molecular Weight : 357.9

Appearance : slight yellow powder

Melting Range : 154-157 °C

Flashpoint : 234 °C

Specific Gravity(20 °C) : 0.37g/cm3

geliang

Chemical name : 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzortriazole

Introduction : UV-326 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-326 is especially suited for polyolefins and cold cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.

Empirical Formula : C17H18N30Cl

Molecular Weight : 315.8

Appearance : slight yellow powder

Melting Range : 138-141 °C

Flashpoint : 229 °C

Specific Gravity(20 °C) : 0.37g/cm3

geliang

Chemical name : 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole

Introduction : UV-P is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-P protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of engineered plastics, elastomers, PVC, adhesives, and polyurethanes during outdoor weathering.

Molecular Weight : 225.3

Appearance : slight yellow powder

Melting Range : 128-132 °C

Flashpoint : 205 °C

Specific Gravity(20 °C ) : 1.38g/cm3

geliang

CAS:9067-32-7

Formula:Hyaluronic Acid Sodium Salt

Quantity:MSDS 95% 98% (drug/cosmetic/ food /grade)

Price:9067-32-7 MSDS CAS

Appearance White Powder White Powder

Glucuronic Acid 44.0min 47.20

Sodium hyaluronate(dry basis) 90.0-105.0% 99.57%

600nm (1-300 ) 0.01Max 0.005

260nm (1-300 ) 0.5Max 0.180

pH(0.1%Water Solution) 6.0-7.5 6.50

Transparency (0.1% Solution) 99%min 99.10%

,DaMolecular Weight,Da ACCORDING TO YOUR REQUEST 5000 dalton to 1.68*106

geliang

sucralose CAS 56038-13-2

Formula:C12H19Cl3O8

purity:99% CAS MSDS

Heavy Metal(Pb) mg/kg 10ppm Max 7ppm

Arsenic 3ppm Max 0ppm

Water(K.F) 2.0% Max 0.11%

Methanol 0.1% Max 0.020%

Chlorinated monosaccharide 0.1% Max 0.05%

Other chlorinated disaccharide 0.5% Max 0.23%

Total Aerobic Count max250 cfu/g 108cfu/g

geliang

Chemical name: 2,2'-dihydroxy-4,4'-dimethoxybenzophenone

INCI name :BP-6; benzophenone-6;

2,2'-dihydroxy-4,4'-dimethoxybenzophenone

CAS-No:131-54-4

MolecularFormulaandweight :C15 H14O5/ 274 g.mol

Specification

Appearance: Light yellow crystalline powder

Melting point: 134.0-136.0degree

Moisture: 0.5% max

Color :4.0 max

K value: 49.0 min

UV Absorbance 300-400nm: 1.0% max 450-550nm 90.0% min

geliang

2,2',4,4'-tetrahydroxy Benzophenone(Benzophenone-2)

Molecular Formula: C13H10O5

Molecular Weight: 246.0

CAS No.: 131-55-5

Appearance: Light yellow crystalline powder

Assay: 99.0% Min

Loss on drying: 0.5%max

Melting point: 195.0degree Min

Color: 3.0 max

A1/1(345nm): 580 Min

Turbidity: 12 NTU

Packing: 25kg net Cardboard drum

geliang

Chemical name: 2-Hydroxy-4-n-octoxy benzophenone

Commodity Name: benzophenone-12;BP-12;UV-531

Specifications: Appearance:Light Yellow Crystal

Purity: 99% min

Melting Point:47-49 Loss On Drying:0.5%max

Heavy Metals(ppm):5.0max

Transmittance: at 450nm.90%min

at 500nm.95%min

Specific Properties and Uses:

Ultraviolet Absorber Benzophenone-12 is a kind of excellent and highly effective aging-resisting auxiliary. It can absorb ultraviolet light in 240-340nm. It is light -colored, non-poisonous, highly-compatible and easily-processible. It can provide the most effective protection for polymers and be very helpful to reduce coloration while working yellowing and loss of the physical performance. It can be widely used for PE,PVC,PP,PS,PC,organic glass,polypropylene fibre and vinyl acetate and so on. In addition,it can provide very good light-stabilizing effect for dry novolaks and alkyd varnishes, polyamino esters, acrylic acids, epoxides,other air dry products, paints for automobile, powder dopes and rudder products,etc.

geliang

Chemical name: 2-Hydroxy-4-methoxy benzophenone-5-sulphonic Acid

Commodity Name: benzophenone-4;BP-4;UV-284

Specifications: Appearance:Off-white or Practically White Powder or Crystal

Purity: 99% min

Melting Point:107 minLoss On Drying: 5.0%max

Heavy Metals(ppm):20max

Specific Extinction:at 285nm.460min

at 325nm.290min

Specific Properties and Uses:

Ultraviolet Absorber Benzophenone-4 is a kind of excellent water-soluble ultraviolet absorber, which is generally used for water-soluble cosmetics to resist solarization and also as UV Absorbers for other water-soluble printing ink and dopes.

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geliang

Chemical name: 2-Hydroxy-4-methoxy benzophenone

Commodity Name: benzophenone-3;BP-3;UV-9

Specifications: Appearance:Light Yellow Crystal

Purity: 99% min

Melting Point: 62-64 Loss On Drying: 0.5%max

Heavy Metals(ppm):5.0max

Specific Extinction:at 285nm.630min

at 325nm.400min

Specific Properties and Uses:

Ultraviolet Absorber Benzophenone-3 can absorb ultraviolet light in 290-400nm but hardly visible light and is particularly suitable for light-colored transparent products. It is so stable in light and heat that it doesn't decompose at 200 .It can be used for paints and a variety of plastics, especially for PVC, Polyester, crylic acid, resin, polystyrene and so on .Particularly, it is good cosmetics additive.

geliang

Chemical name: 2,4-Dihydroxy benzophenone

Commodity Name: benzophenone-1;BP-1;UV-0

Specifications: Appearance:Light Yellow Crystal

Purity: 99% min

Melting Point: 143-146 Loss On Drying: 0.5%max

Lovibond Colour:5.0max

Heavy Metals(ppm):5.0max

Specific Extinction:at 290nm.630min

Specific Properties and Uses:

Ultraviolet Absorber Benzophenone-1 is generally used for synthetic materials to enhance their climate-proof function and prolong their use life, and usually used in synthetic materials in powder.

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