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Cas 1843-05-6 Chemical Auxiliary Agent

Product Name: Chemical Auxiliary Agent
Other Name: Ultraviolet absorber UV-531/BP-12
Appearance: Pale greenish yellow crystalline powder
CAS No.: 1843-05-6
HS Code:29145090
MOQ: 20'FCL
Package: 25kg carton or 25kg fiber drum or as your requirement

Description of UV 531

UV-531 is a high performance anti-aging agent, absorbs 240-340nm of ultraviolet light, Light color, non-toxic, good compatibility, small migration, easy processing and so on.

Classification:Chemical Auxiliary Agent

CAS No.:1843-05-6

Other Names:UV Absorber 531

MF: C21H26O3

EINECS No.:217-421-2

Purity: 99%

Place of Origin:China

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Technical date sheet of UV 531

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 of UV 531

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. 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. Usage: 0.1%-0.5% based on polymers weight.

Oxicity & Safety

This material is not intended for use in products for which prolonged contact with mucous membranes or abraded skin, or implantation within the human body is specially intended, unless the finished product has been tested in accordance with the Food and Drug Administration and/or other applicable safety testing requirements.

Package & Storage:

25kg carton or 25kg fiber drum or as your requirement

Avoid sunlight, high light, humidity, and light stabilizers containing sulfur or halogen elements. It needs to be stored under airtight, dry and light-proof conditions.

Handling

In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Protect skin. Prevent contamination of the environment. Avoid dust formation and ignition sources.

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