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| CAS No.: | 1843-05-6 |
|---|---|
| Name: | Octabenzone |
| Article Data: | 28 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C21H26O3 |
| Molecular Weight: | 326.436 |
| Synonyms: | Benzophenone,2-hydroxy-4-(octyloxy)- (6CI,8CI);2-Hydroxy-4-(octyloxy)benzophenone;2-Hydroxy-4-octoxybenzophenone;4-(Octyloxy)-2-hydroxybenzophenone;ADKStab 1413;Adeka 1413;Advastab 46;Anti-UV P;Asahi 1413;Benzophenone 12;Chimassorb 81;Cyasorb UV531;Cyasorb UV 532;Lowilite 22;NSC 163400;Rhodialux P;Seesorb 102;Specta-Sorb UV 531;Sumisorb 130;UV 1;UV 531;Uvinul M 408;Viosorb 130;UV absorber-531; |
| EINECS: | 217-421-2 |
| Density: | 1.068 g/cm3 |
| Melting Point: | 47-49 °C(lit.) |
| Boiling Point: | 457.9 °C at 760 mmHg |
| Flash Point: | 155.1 °C |
| Solubility: | N/A |
| Appearance: | Light Yellow Crystal |
| Hazard Symbols: |
 Xi, N
|
| Risk Codes: | 36/37/38-50/53 |
| Safety: | 26-36-61-60 |
| Transport Information: | UN 3077 9/PG 3 |
| PSA: | 46.53000 |
| LogP: | 5.36250 |
| 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% |
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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.
