Conditions | Yield |
---|---|
With sodium carbonate; potassium carbonate at 98 - 120℃; Temperature; | 95.3% |
With sodium carbonate In N,N-dimethyl-formamide at 70℃; for 8h; Temperature; Reagent/catalyst; Solvent; | 95% |
Molecular structure of Octabenzone (CAS NO.1843-05-6) is:
Product Name: Octabenzone
CAS Registry Number: 1843-05-6
IUPAC Name: (2-hydroxy-4-octoxyphenyl)-phenylmethanone
Molecular Weight: 326.42934 [g/mol]
Molecular Formula: C21H26O3
XLogP3-AA: 6.8
H-Bond Donor: 1
H-Bond Acceptor: 3
EINECS: 217-421-2
Melting Point: 47-49 °C(lit.)
Surface Tension: 41.8 dyne/cm
Density: 1.068 g/cm3
Flash Point: 155.1 °C
Enthalpy of Vaporization: 74.57 kJ/mol
Boiling Point: 457.9 °C at 760 mmHg
Vapour Pressure: 5.25E-09 mmHg at 25°C
Product Categories: Industrial/Fine Chemicals;Additives for Plastic;Aromatic Benzophenones & Derivatives (substituted);Organics;Polymer Additives;Polymer Science;Stabilizers
Octabenzone (CAS NO.1843-05-6) can be used to protect polymers (e.g., polyethylene, polypropylene, polyvinylchloride) against damage by UV light.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | oral | 13gm/kg (13000mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 648, 1986. | |
rabbit | LD50 | skin | > 10gm/kg (10000mg/kg) | Food and Cosmetics Toxicology. Vol. 6, Pg. 199, 1968. | |
rat | LD50 | oral | > 10gm/kg (10000mg/kg) | Food and Cosmetics Toxicology. Vol. 6, Pg. 199, 1968. |
Hazard Codes: Xi, N
Risk Statements: 36/37/38-50/53
R36/37/38:Irritating to eyes, respiratory system and skin.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-36-61-60
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3077 9/PG 3
WGK Germany: 1
RTECS: DJ1595000
Octabenzone , its cas register number is 1843-05-6. It also can be called Ultraviolet Absorber UV-531 ; 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 .It is a is a UV absorber/screener.
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