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Shanghai Sunwise Chemical Co., Ltd.

UV 531, Light-Stability, CAS No. 1843-05-6 manufacturer / supplier in China, offering Light Stabilizer CAS No. 1843-05-6; UV 531, 5-Methyl-1h-Benzotriazole 99% Powder CAS: 136-85-6, Thiobencarb CAS No. 28249-77-6 and so on.

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Light Stabilizer CAS No. 1843-05-6; UV 531

FOB Price: US $1-100 / kg
Min. Order: 1 kg
Min. Order FOB Price
1 kg US $1-100/ kg
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Production Capacity: 20mts/Month
Transport Package: in 20 or 25kgs Net Carton or Cardboard Drum
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: The catalyst and chemical additives
  • Usage: Electronics Chemicals
  • Purity: 99.0% Min
  • Loss on Drying: 0.5% Max
  • Transmittance 450nm: 90.0% Min
  • Trademark: SWE
  • Appearance: Powder
  • Color: Yellow
  • Melting Point: 47.0 - 49.0 °c Min
  • Residue on Ignition: 0.1% Max
  • Transmittance 500nm: 95.0% Min
  • Origin: China
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

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

Appearance :     light yellow crystalline powder
Melting Range:  47-49 °C
Solubility :    soluble in organic solvents
Stability   :    stable under ordinary conditions
Appearancelight yellow crystalline powder or flakes
Purity 99.0% min
Melting point47.0 - 49.0 °C min
Loss on drying0.5% max
Residue on ignition0.1% max
Transmittance 450nm 90.0% min
Transmittance 500nm95.0% min
   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

Light Stabilizer CAS No. 1843-05-6; UV 531
Light Stabilizer CAS No. 1843-05-6; UV 531
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