UV Absorber UV 312 CAS NO 23949-66-8

UV Absorber UV 312 CAS NO 23949-66-8

Applications:
1.It can be used in solventborne coatings and general industrial coatings to provide standard UV stabilization performance.in particular,it's recommended for UV cured systems;
2.It can be used in polyamide and it has great synergism with special HALS such as Stabilizer S-EED.
3.It has good light stability in thermoplastic polyesters such as PET,PBT;
4.It has long term light stability in plasticized PVC and hard products as it has good compatibility with PVC resin and low volatility;

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Product Details

UV absorber UV 312 CAS NO 23949-66-8 

Non-discoloring oxanilide UV absorber for plastics and coatings.


It  is a non-discoloring oxanilide absorber for use in coatings and plastics for which is particularly effective include polyamides, PVC (rigid and flexible), polyesters (thermoplastic and thermoset), polyurethanes, adhesives, and sealants.


Product Name: 

UV absorber UV 312

UV absorber VSU P


Chemical name:

2-Ethyl, 2´-ethoxy-oxalanilide

CAS NO.: 23949-66-8 

Molecular Formula: C18H20N2O3

Molecular Weight: 312.363


Structure:

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Synonyms:

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

n-(2-ethoxyphenyl)-n'-(2-ethylphenyl)ethanediamide;

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

Ethanediamide, N-(2-ethoxyphenyl)-N'-(2-ethylphenyl)-;

Ethanediamide, N1-(2-ethoxyphenyl)-N2-(2-ethylphenyl)-;

N-(2-Ethoxyphenyl)-N'-(4-ethylphenyl)oxamide;

Oxanilide, 2'-ethoxy-2-ethyl-;


Specifications:


Item

Standard

Appearance

White crystalline powder

Melting point

124-128℃

TGA (10% mass loss,N2,10℃/min)

265℃

Solubility data ( 20°C,g/l)

Water

Insoluble

 

acetone

40

 

toluene

60

 

xylene

30

 

Ethyl acetate

40



Applications:

1.It  can be used in solventborne coatings and general industrial coatings to provide standard UV stabilization performance.in particular,it's recommended for UV cured systems;

2.It  can be used in polyamide and it has great synergism with special HALS such as Stabilizer S-EED.

3.It  has good light stability in thermoplastic polyesters such as PET,PBT;

4.It  has long term light stability in plasticized PVC and hard products as it has good compatibility with PVC resin and low volatility;

5.It  has good compatibility with formaldehyde.it can be used in POW outdoor goods;

6.It  has good light stability performance in acid-cured coating systems;To unsure optimal stabilization,clear coats require not only UV absorber but also HALS.it is recommend to use It  with other traditional HALS or non-basic HALS;


Features:

●very low self-color;

●resistance to extraction;

●excellent resistance to metal ions;

●good compatibility with polar resin;

●long term stability in polyamide, thermoplastic polyesters (e.g., PET, PBT), PVC , poly formaldehyde and the acid-cured coating systems;

●great synergism with special HALS such as Stabilizer S-EED.

●non-blooming;non-precipitation;non-discoloring when be used in copper salt stability system;

●non-adverse reactions with pigment systems;


Package:

25kgs/bag or as customer's request;


Storage:

Stock in dry,cool,well-ventilated shady place in original closed containers;stay away from fire source;


Transportation:

It  is not a dangerous goods according to transportation regulation;


Shelf life:

2 years at least if stock in above conditions;


Lead time: prompt


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