Light Stabilizer CAS No. 1843-05-6; UV 531
| Price: |
US $ 1-100kg |
| Trade Terms: |
FOB,CIF |
| Min Order: |
1kg |
| Pay Type: |
L/C,T/T |
Product Specifications
| Prod Model: |
The catalyst and chemical additives |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Purity: |
99.0% Min |
| Melting Point: |
47.0 - 49.0 °c Min |
| Loss On Drying: |
0.5% Max |
| Residue On Ignition: |
0.1% Max |
| Transmittance 450nm: |
90.0% Min |
| Transmittance 500nm: |
95.0% Min |
| Appearance: |
Powder |
| Usage: |
Electronics Chemicals |
| Type: |
Adsorbent |
| Adsorbent Variety: |
Activated Carbon |
| Color: |
Yellow |
Product Description
UV 531 is an ultraviolet absorber with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic, good compatibility, small mobility, easy processing etc.
Product Name UV 531
Identification
Synonyms: 2-hydroxy-4-(octyloxy)benzophenone; BP12; Octabenzone
Molecular Formula :C21H26O3
Molecular Weight :326.43
CAS Number : 1843-05-6
EINECS/ELINCS : 217-421-2
Properties
Appearance : light yellow crystalline powder
Melting Range: 47-49 °C
Solubility : soluble in organic solvents
Stability : stable under ordinary conditions
| Item | Specification |
| Appearance | light yellow crystalline powder or flakes |
| Purity | 99.0% min |
| Melting point | 47.0 - 49.0 °C min |
| Loss on drying | 0.5% max |
| Residue on ignition | 0.1% max |
| Transmittance 450nm | 90.0% min |
| Transmittance 500nm | 95.0% min |
Application:
It can protect the polymer to its maximum extent, helps to reduce the color. It can also delay the yellowing and obstacle the loss of its physical function. It is widely applied to PE, PVC, PP, PS, PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability effect on drying phenol aldehyde, varnish of alcohol, polyurethane, acrylate and etc. Usage: 0.1%-0.5% based on polymers weight
Packing and Storage
Packing In 20 or 25kgs net carton or cardboard drum
Storage Keep tightly closed and store in cool and dry place
Safety Information
UN 3077 9/PG 3 
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