Sinosorb® UV-234

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Sinosorb® UV-234

Sinosorb® 紫外线吸收剂

SINOSORB® UV-234 has the advantages of good compatibility, low volatility, strong UV absorption, and excellent thermal stability. Suitable for polycarbonate, polyester, polyoxymethylene, polydilute amine, polyphenylene ether, thermoplastic polyurethane and polyurethane fiber, etc.

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SINOSORB® UV-234


  • Cas No.:70321-86-7

  • Chemical Name:2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol

  • Synonym:Eversorb 76;Milestab 234;THASORB UV-234;UV Absorber UV-234

  • Structure:


Spec :
AppearanceOff-white powder
Content≥99%(HPLC)
Melting point139.5-144℃
Ash≤0.1%
Volatile≤0.5%
Transmittance460nm≥95% 500nm≥97%


应用领域 :

Suitable for polycarbonate, polyvinyl chloride, polyoxymethylene, polyamide, polyester, etc.

Polyvinyl chloridePolycarbonatePolyester
0.25-0.5%0.3-0.5%0.3-0.5%


贮存 :

Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating for prevention of oxidation.
运输过程中防止泄漏、雨淋和曝晒。

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Sinosorb® BP-1( UV-0)

Sinosorb® 紫外线吸收剂

Sinosorb® BP-1 is a benzophenone ultraviolet absorber, mainly for ultraviolet rays in the 280nm-320nm band.

  • 化学名称:

    2,4-Dihydroxybenzophenone/ Benzophenone-1

  • Cas No.:

    131-56-6

  • 分子式:

    C13H10O3

  • 纯度:

    99.5% min

  • 包装:

    25kgs/carton

Sinosorb® UV-120

Sinosorb® 紫外线吸收剂

Sinosorb® UV120 is a substituted benzoate that absorbs ultraviolet radiation through a reversible chemical rearrangement.



  • Trivial name:

    UV Absorber UV-120

  • Cas No.:

    4221-80-1

  • 分子式:

    C29H42O3

  • 纯度:

    ≥99%

  • 包装:

    25kgs/carton or Drum

Sinosorb® UV-1577

Sinosorb® 紫外线吸收剂

SINOSORB® UV-1577 has the characteristics of high temperature resistance, low volatility, and not easy to precipitate when the dosage is high.


  • Trivial name:

    UV Absorber UV-1577

  • Cas No.:

    147315-50-2

  • 分子式:

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    25kgs/carton or Drum

Sinosorb® BP-3 (UV-9)

Sinosorb® 紫外线吸收剂

SINOSORB BP-3 (UV-9) effectively reduces the damage of UV radiation to the skin by absorbing UV-A and part of UV-B bands in ultraviolet rays.

  • Trivial name:

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Sinosorb® UV-2908

Sinosorb® 紫外线吸收剂

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  • Trivial name:

    UV Absorber UV-2908

  • Cas No.:

    67845-93-6

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    C31H54O3

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Sinosorb® UV-326

Sinosorb® 紫外线吸收剂

SINOSORB® UV-326 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-380 nanometers.

  • Trivial name:

    UV Absorber UV-326; Tinuvin-326

  • Cas No.:

    3896-11-5

  • 分子式:

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Sinosorb® UV-327

Sinosorb® 紫外线吸收剂

SINOSORB® UV-327 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-400 nanometers.

  • Trivial name:

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  • Cas No.:

    3864-99-1

  • 分子式:

    C20H24ClN3O

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Sinosorb® UV-328

Sinosorb® 紫外线吸收剂

SINOSORB® UV-328 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-340 nanometers.

  • Trivial name:

    UV Absorber UV-328

  • Cas No.:

    25973-55-1

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    C22H29N3O

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    ≥99%(HPLC)

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Sinosorb® UV-531

Sinosorb® 紫外线吸收剂

SINOSORB®UV-531 is an excellent ultraviolet absorber for colleges and universities, which can effectively absorbs ultraviolet light at 270-340nm.

  • Trivial name:

    UV Absorber UV-531; Benzophenone-12(BP-12)

  • Cas No.:

    1843-05-6

  • 分子式:

    C21H26O3

  • 纯度:

    ≥98.5%(HPLC)

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    25kgs/carton or Drum

Sinosorb® UV-329

Sinosorb® 紫外线吸收剂

SINOSORB® UV-329 is an excellent anti-aging agent for colleges and universities, which can effectively absorbs 270-380nm ultraviolet light.

  • Trivial name:

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    3147-75-9

  • 分子式:

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  • 纯度:

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    25kgs/carton or Drum

Sinosorb® UV-P

Sinosorb® 紫外线吸收剂

Benzotriazole UV absorber, excellent light stability.

  • 化学名称:

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Sinosorb® UV-400

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  • Trivial name:

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  • Cas No.:

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  • 分子式:

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  • 包装:

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Sinosorb® UV-1600

Ultraviolet absorber UV-1600

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  • Trivial name:

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  • Cas No.:

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  • 包装:

    25kgs/drum

Sinosorb® UV-1579

Sinosorb® 紫外线吸收剂

SINOSORB® UV-1579 is a triazine based ultraviolet absorber that strongly absorbs 250nm-350nm ultraviolet light, while not absorbing visible light. The maximum absorption peaks are at 272m and 337m. Triazine UV absorbers have good compatibility with polymers and other additives.


  • 化学名称:

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  • Cas No.:

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Sinosorb®EHS

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  • 化学名称:

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Sinosorb® BL 326-S ✨

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    25kgs/carton or Drum

Sinosorb® BP-1( UV-0)

Sinosorb® UV Absorber

Sinosorb® BP-1 is a benzophenone ultraviolet absorber, mainly for ultraviolet rays in the 280nm-320nm band.

  • 化学名称:

    2,4-Dihydroxybenzophenone/ Benzophenone-1

  • Cas No.:

    131-56-6

  • 分子式:

    C13H10O3

  • 纯度:

    99.5% min

  • 包装:

    25kgs/carton

Sinosorb® UV-234

Sinosorb® UV Absorber

SINOSORB® UV-234 has the advantages of good compatibility, low volatility, strong UV absorption, and excellent thermal stability. 

  • Trivial name:

    UV Absorber 234

  • Cas No.:

    70321-86-7

  • 分子式:

    C30H29N3O

  • 纯度:

    ≥99%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-327

Sinosorb® UV Absorber

SINOSORB® UV-327 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-400 nanometers.

  • Trivial name:

    UV Absorber UV-327; Tinuvin-327

  • Cas No.:

    3864-99-1

  • 分子式:

    C20H24ClN3O

  • 纯度:

    ≥99%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® BP-3 (UV-9)

Sinosorb® UV Absorber

SINOSORB BP-3 (UV-9) effectively reduces the damage of UV radiation to the skin by absorbing UV-A and part of UV-B bands in ultraviolet rays.

  • Trivial name:

    Benzophenone-3;Oxybenzone,2-hydroxy-4-methoxybenzophenone

  • Cas No.:

    131-57-7

  • 分子式:

    C14H12O3

  • 纯度:

    97%~102%

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-120

Sinosorb® UV Absorber

Sinosorb® UV120 is a substituted benzoate that absorbs ultraviolet radiation through a reversible chemical rearrangement.



  • Trivial name:

    UV Absorber UV-120

  • Cas No.:

    4221-80-1

  • 分子式:

    C29H42O3

  • 纯度:

    ≥99%

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-1577

Sinosorb® UV Absorber

SINOSORB® UV-1577 has the characteristics of high temperature resistance, low volatility, and not easy to precipitate when the dosage is high.


  • Trivial name:

    UV Absorber UV-1577

  • Cas No.:

    147315-50-2

  • 分子式:

    C27H27N3O2

  • 纯度:

    ≥98.5%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-326

Sinosorb® UV Absorber

SINOSORB® UV-326 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-380 nanometers.

  • Trivial name:

    UV Absorber UV-326; Tinuvin-326

  • Cas No.:

    3896-11-5

  • 分子式:

    C17H18ClN3O

  • 纯度:

    ≥99%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-2908

Sinosorb® UV Absorber

Sinosorb® UV 2908 is a substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement,

  • Trivial name:

    UV Absorber UV-2908

  • Cas No.:

    67845-93-6

  • 分子式:

    C31H54O3

  • 纯度:

    ≥99%

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-P

Sinosorb® UV Absorber

Benzotriazole UV absorber, excellent light stability.

  • 化学名称:

    Tinuvin P; 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole

  • Cas No.:

    2440-22-4

  • 分子式:

    C13H11N3O

  • 纯度:

    99.0% min

  • 包装:

    25kgs/carton

Sinosorb® UV-328

Sinosorb® UV Absorber

SINOSORB® UV-328 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-340 nanometers.

  • Trivial name:

    UV Absorber UV-328

  • Cas No.:

    25973-55-1

  • 分子式:

    C22H29N3O

  • 纯度:

    ≥99%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-329

Sinosorb® UV Absorber

SINOSORB® UV-329 is an excellent anti-aging agent for colleges and universities, which can effectively absorbs 270-380nm ultraviolet light.

  • Trivial name:

    UV Absorber UV-329

  • Cas No.:

    3147-75-9

  • 分子式:

    C20H25N3O

  • 纯度:

    ≥99%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-531

Sinosorb® UV Absorber

SINOSORB®UV-531 is an excellent ultraviolet absorber for colleges and universities, which can effectively absorbs ultraviolet light at 270-340nm.

  • Trivial name:

    UV Absorber UV-531; Benzophenone-12(BP-12)

  • Cas No.:

    1843-05-6

  • 分子式:

    C21H26O3

  • 纯度:

    ≥98.5%(HPLC)

  • 包装:

    25kgs/carton or 桶

Sinosorb® UV-400

Sinosorb® UV Absorber, UV-Cured Coating

SINOSORB® UV-400 is a triazine-based liquid UV absorber used in the coatings industry. It contains hydroxyl groups and exhibits low migration effects. It is typically used in combination with hindered amine light stabilizers and shows good compatibility with 溶剂型 and water based coating systems. 

  • Trivial name:

    UV Absorber UV-400

  • Cas No.:

    153519-44-9; 107-98-2

  • 分子式:

    C81H108N6O8

  • 包装:

    20kgs/桶; 200kgs/桶

Sinosorb® UV-1579

Sinosorb® UV Absorber

SINOSORB® UV-1579 is a triazine based ultraviolet absorber that strongly absorbs 250nm-350nm ultraviolet light, while not absorbing visible light. The maximum absorption peaks are at 272m and 337m. Triazine UV absorbers have good compatibility with polymers and other additives. 


  • 化学名称:

    2-(4,6-Diphenyl-1,3,5-triazin-2-yl)-5-methoxyphenol

  • Cas No.:

    106556-36-9

  • 分子式:

    C22H17N3O2

  • 分子量:

    355.39

  • 包装:

    25kgs/袋

Sinosorb® UV-312

Sinosorb® UV Absorber, UV-Cured Coating

Sinosorb® UV-312 is an oxalanilide UV absorber with outstanding UVB absorption efficiency. It can be able to absorb 280-320 nm ultraviolet light, with an absorption peak of 298 nm. It has the characteristics of good compatibility, low volatility, good thermal stability, and high absorption efficiency.

  • Trivial name:

    N-(2-ethoxyphenyl)-N'-(2-ethylphenyl)oxamide

  • Cas No.:

    23949-66-8

  • 分子式:

    C18H20N2O3

  • 包装:

    25kgs/桶

Sinosorb® UV-1600

Ultraviolet absorber UV-1600

The four outstanding characteristics of Sinosorb® UV-1600 are low volatility, strong absorption capacity, high temperature resistance and light color transparency. The protective effect: Compared with traditional enhanced absorbers, UV-UV1600 can provide polycarbonate, polyester, PMMA, etc. with better weather resistance and longer-lasting protection.


  • Trivial name:

    2-[4,6-Bis([1,1'-biphenyl]-4-yl)-1,3,5-triazin-2-yl]-5-[(2-ethylhexyl)oxy]phenol

  • Cas No.:

    204583-39-1

  • 分子式:

    C41H39N3O2

  • 包装:

    25kgs/桶

Sinosorb®EHS

UV Absorber 2-Ethylhexyl salicylate CAS 118-60-5

Sinosorb® EHS (2-Ethylhexyl salicylate, CAS 118-60-5) is a monofunctional aromatic ester UVB absorber. It offers high absorption efficiency in the UVB range (280–320 nm) and is widely used as a photostabilizer and sunscreen ingredient in personal care products. 


  • 化学名称:

    2-Ethylhexyl salicylate

  • Cas No.:

    118-60-5

  • 分子式:

    C15H22O3

  • 分子量:

    250.33

  • 包装:

    200kgs/桶

Sinosorb® BL 326-S ✨

benzotriazole UV absorber, CAS 1877301-52-4, HEV blue light blocker, high thermal stability

SINOSORB® BL 326-S (CAS 1877301-52-4) is a highly efficient, red-shifted benzotriazole light absorber derived from UV-326 with 5-position p-tolylthio modification, manufactured for optical lenses and display films providing sharp UV/HEV blue light cut-off (<390 nm) and high visible transparency. As an ISO certified supplier, we offer this low-volatility absorber for PC, PET, PMMA, and CR-39 systems.

  • 化学名称:

    2-(tert-Butyl)-4-methyl-6-(5-(p-tolylthio)-2H-benzo[d][1,2,3]triazol-2-yl)phenol

  • Cas No.:

    1877301-52-4

  • 分子式:

    C24H25N3OS

  • 纯度:

    98.5% min

  • 包装:

    25kgs/carton or 桶

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