CAS
1746-23-2 Purity
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1746-23-2 Purity
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Octabenzone
CAS
1843-05-6
Catalog Number
ACM1843056
Category
Polymer/Macromolecule
Molecular Weight
326.43
Molecular Formula
C21H26O3
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Specification
Description
Octabenzone (Spectra-Sorb UV 531, MPI Milestab 81) is a UV absorber/screener. It is used to protect polymers (e.g., polyethylene, polypropylene, polyvinylchloride) against damage by UV light.
Synonyms
benzophenone-12,octabenzone;BP-12;(2-Hydroxy-4-(octyloxy)phenyl)(phenyl)methanone;4-n-octoxy-2-hydroxybenzophenone;UV-531
Melting Point
47-49ºC
Flash Point
155.1ºC
Density
1.160 g/cm³
Appearance
Light yellow crystal
EC Number
217-421-2
Hazard Codes
Xi
HS Code
2914509090
LogP
5.36250
MDL Number
MFCD00027327
PSA
46.53
Refractive Index
1.547
RIDADR
UN 3077 9/PG 3
Vapor Pressure
5.25E-09mmHg at 25°C
WGK Germany
1
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