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UV-531

Identification

Name

 

Octabenzone

Synonyms

 

2-Hydroxy-4-n-octoxybenzophenone; 2-Hydroxy-4-n-octyloxybenzophenone; 2'-Hydroxy-4'-n-octyloxybenzophenone; 2-Hydroxy-4-(octyloxy)benzophenone; [2-Hhydroxy-4-(octyloxy)phenyl]phenylmethanone

Chinese Names

 

紫外线吸收剂 UV-531; 2-羟基-4-正辛氧基二苯甲酮

 

Molecular Structure

 

Octabenzone, 2-Hydroxy-4-n-octoxybenzophenone, 2-Hydroxy-4-n-octyloxybenzophenone, 2'-Hydroxy-4'-n-octyloxybenzophenone, 2-Hydroxy-4-(octyloxy)benzophenone, [2-Hhydroxy-4-(octyloxy)phenyl]phenylmethanone CAS #: 1843-05-6

 

Molecular Formula

 

C21H26O3

Molecular Weight

 

326.43

CAS Registry Number

 

1843-05-6

EINECS

 

217-421-2

 

 

 

Properties

 

Appearance

 

Light yellow crystalline powder

Purity

 

99%

Melting point

 

47-49

Transmittance

 

450nm,90%

500nm,95%

Loss on drying

 

0.5%

Ash

 

0.1%

 

 

 

Safety Data

 

Hazard Symbols

 

symbol   Xi    Details

Risk Codes

 

R36/37/38    Details

Safety Description

 

S26;S36    Details

 

Application

 

Polypropylene

 

0.2-0.5wt% based on polymer weight

Rigid PVC

 

0.5wt% based on polymer weight

Plasticized PVC

 

0.5-2 wt% based on polymer weight

Polyethylene

 

0.2-0.5wt% based on polymer weight

 

 

 

 

 
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