Materias primeras

Benzofenona-3

Cantidad : 500kg ~ 10   Precio : USD 21.50/Kg FOB Sha

Product Name: Benzophenone-3

Alias: UV-9; BP-3; Oxybenzone; cyasorbuv9; Escalol 567; Eusolex 4360; Cyasorb uv 9; UV absorber UV-9; 2-Benzoyl-5-methoxyphenol; Ultraviolet absorber UV-9; Ultraviolet absorbent UV-9; Cyasorb uv 9 light absorber; 4-Methoxy-2-hydroxybenzophenone; 2-Hydroxy-4-methoxybenzophenone; 2-Hydroxy-4-Methoxy Benzophenone; 2-Hydroxy-4-methoxy-benzotriazole; (2-hydroxy-4-methoxyphenyl)(phenyl)methanone

CAS No.: 131-57-7

EINECS No.: 205-031-5

Molecular Formula: C14H12O3

Molecular Weight: 228.24

Brief Introduction:

Ultraviolet absorber UV-9 is light yellow or white crystalline powder, also known as sunscreen No. 2, BP-3, suitable for a variety of plastics including polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate, unsaturated For polyester, ABS resin and cellulose resin, etc., the maximum absorption wavelength range is 280-340 nanometers, and the general dosage is 0.1-1.5%. It has good thermal stability and does not decompose at 200°C.

Specifications of our Benzophenone-3(UV-9):

Test Items Specifications
Appearance Yellow powder
Smell Slight
Assay(HPLC) 97.0% ~ 103.0%
Melting Point 62.5℃ ~ 64.0℃
Loss on Drying Not more than 0.5%
Heavy Metals Not more than 5.0ppm
Specific Extinction At 285nm: ≥630
At 325nm: ≥400
Solidification Point 62.0℃ ~ 72.0℃
Impurities(GLC and HPLC) Individual impurity: <0.1%
Sum of impurities: <1.0%
Methanol Not more than 1000ppm
Cyclohexane Not more than 3880ppm
IR, Identification /
The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay Corresponds
UV/VIS spectrum Identity USP/NF /
Flash Point >100℃
Ash Content <0.1%

Applications:
Benzophenone-3 (UV-9) is widely used in sunscreen cosmetics such as sunscreen, cream, honey, lotion, oil, etc., and can also be used as an anti-tarnish agent for products that are discolored due to photosensitivity.


Packaging:
25kg/Cardboard drum, 25kg/Cardboard box or according to the specific requirements from customers.

Storage Conditions:
Preserved in unopened original containers in a cool dry place before using; kept away from sunlight, heat and moisture.


Shelf Life:
36 months if stored under above conditions.

Ubicación : RM702, Unit 1, Building 21, Liuhe Road, Ganjingzi Dist, 116091 Dalian,
Persona a contactar : John Wang, +86 15840669648

Buen trato: comprar del vendedor

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