Ultraviolet Light Absorber Chimassorb 81

BenzophenoneUVAbsorberUV-531Other names:UV stabilizer BP-12 (Benzophenone-12); Chimassorb 81; UV531; UV 531;Lowilite 22; Eversorb12;3008; UV absorbent 531; Ultraviolet light absorber UVA 531; Benzotriazole UV absorber 531

Chemicalname:2-Hydroxy-4-n-octoxybenzophenoneIntroduction:UV-531isanultravioletlightabsorber(UVA)ofthebenzophenoneclass,impartinggoodlightstabilityforplasticsandotherorganicpolymers.DuetoitshighlyeffectivebroadUVabsorptionpropertiesandexcellentpolymercompatibility,UV-531offersmaximumpolymerprotectionandlowcolorcontribution,retardsyellowingandlossofphysicalproperties.CASNO:1843-05-6EmpiricalFormula:C21H26O3
PhysicalProperties

MolecularWeight:326

Appearance:lightyellowpowder or flakes

MeltingRange:47-49°C

Assay:99%Min.

VolatileMatter:<0.5%Max.

SpecificGravity(20°C):1.16g/cm3SolubilityAt20ºC(g/100mlsolvent)

Solvent

Solubility

Acetone

43%

Benzene

72%

Chloroform

61%

Ethanol

3.5%

EthylAcetate

44%

n-Hexane

12%

Methanol

1.7%

MEK

65%

MethyleneChloride

67%

Toluene

>50%

Water

<0.01%

UVAbsorption

AbsorptionSpectrum(10mg/l,Chloroform)Applications

1.Polypropylene:0.2-0.5wt%basedonpolymerweight

2.PVC:

RigidPVC:0.5wt%basedonpolymerweight

PlasticizedPVC:0.5-2wt%basedonpolymerweight

3.Polyethylene:0.2-0.5wt%basedonpolymerweightToxicity&Safety

Thismaterialisnotintendedforuseinproductsforwhichprolongedcontactwithmucousmembranesorabradedskin,orimplantationwithinthehumanbodyisspeciallyintended,unlessthefinishedproducthasbeentestedinaccordancewiththeFoodandDrugAdministrationand/orotherapplicablesafetytestingrequirements.

Storage

Theproductmaybestoreduptotwoyearsinasealedcontainer.Containersshouldbestoredinacool,dryarea.Extendedstorageatelevatedtemperaturesorexposuretodirectheatorsunlightcouldreduceproductlife.Keepcontainerssealedwhennoinuse.Handling

Inaccordancewithgoodindustrialpractice,handlewithcareandavoidunnecessarypersonalcontact.Protectskin.Preventcontaminationoftheenvironment.Avoiddustformationandignitionsources.

Packaging & Shipping

20kgcartonbox

Application

We have exact inventory plans to guarantee stable supply.

We have many years' experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.

Our laboratory takes strictly testing on every lot of goods according to customers' requirement. Meanwhile we has good relationship with the third party company SGS.

After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.

We expect to become good partners with our customers for long.
Company InformationNANJING LEPUZ CHEMICAL CO., LTD.is an ISO-certified modernized chemical enterprise concentrating on the production, sales and service for pesticide, plastic and coating additives, fine chemicals and intermediates.
Our products are widely used in agriculture, plastic and rubber industry, medical industry, paints, printing inks and etc.
Our company's headquarters is based in Nanjing city, Jiangsu Province, China.
Our factory is located in Touqiao Town, Hanjiang District, Yangzhou City, where is adjacent to Guangling Hi-tech Development Zone, mainly producing high quality plastic additives and intermediates such as optical brighteners and etc.
We have established long years' technical cooperation with Nanjing University, Nanjing Tech University, and make continuous innovation to fulfill the changing market's demand and trends.
Besides the professional R&D team, our factory has advanced production and testing equipments, which can be used for testing and reprocessing to ensure the high quality and meet customers' different requirement.
With profound chemistry knowledge and rich experience, our business team can offer professional customized technical supports and solution for customer's demand.
Till now our products have occupied a good market in China, and also exported to Europe, the United States, Japan and South Korea, Southeast Asia, the Middle East, Central and South America, Africa and etc.
Welcome to contact us. Hope we can have a good cooperation and bright future.

Q: Do you have any certificate for quality?

A: Yes, we have ISO9001:2008 quality system certificate and REACH.

Q: Can you customize products?

A: Yes, we can.

Q: Can you provide samples for quality checking before placing an order?

A: Samples are avaliable upon request, but the shipping cost should be paid by customer.

Q:How to get the price list?

A: Please inqire us by alibaba/email.

Q:What's your payment term?

A:TT/LC/DA/DP/Paypal