UV absorber UV-2908

ChemicalBook > CAS DataBase List > UV absorber UV-2908

Product Name: UV absorber UV-2908
CAS No.: 67845-93-6
Chemical Name: UV absorber UV-2908
Synonyms: UV-2908;HRsorb-2908;Cyasorb 2908;DXSORB? 2908;JADEWIN UV2908;UV Absorber 2908;EINECS 267-342-2;Sinosorb? UV-2908;UV absorber UV-2908;light stabilizer 2908
CBNumber: CB9136391
Molecular Formula: C31H54O3
Formula Weight: 474.76
MOL File: 67845-93-6.mol

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UV absorber UV-2908 Property

Melting point:: 59-61 °C(lit.)
Boiling point:: 539.2±50.0 °C(Predicted)
Density: 0.936±0.06 g/cm3(Predicted)
vapor pressure: 0.005Pa at 20℃
storage temp.: Inert atmosphere,Room Temperature
solubility: DMSO (Slightly), Ethyl Acetate (Slightly)
form: Solid
pka: 9.07±0.40(Predicted)
color: Off-White
Water Solubility: 10μg/L at 20℃
LogP: 12.332
CAS DataBase Reference: 67845-93-6(CAS DataBase Reference)
EPA Substance Registry System: Benzoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, hexadecyl ester (67845-93-6)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
RTECS: DG4436220
HS Code: 2916399090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H413May cause long lasting harmful effects to aquatic life

Precautionary statements

P273Avoid release to the environment.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical

Product number: H1709
Product name: Hexadecyl 3,5-Di-tert-butyl-4-hydroxybenzoate
Packaging: 5G
Price: $19
Updated: 2024/03/01

TCI Chemical

Product number: H1709
Product name: Hexadecyl 3,5-Di-tert-butyl-4-hydroxybenzoate
Packaging: 25G
Price: $51
Updated: 2024/03/01

TRC

Product number: D493733
Product name: 3,5-Di-tert-butyl-4-hydroxybenzoicacidhexadecylester
Packaging: 100mg
Price: $50
Updated: 2021/12/16

SynQuest Laboratories

Product number: 2729-1-67
Product name: Hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate
Purity: 98%
Packaging: 25g
Price: $37
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD150052
Product name: 3,5-Di-tert-butyl-4-hydroxybenzoic acid hexadecylester
Packaging: 100mg
Price: $101
Updated: 2021/12/16

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UV absorber UV-2908 Chemical Properties,Usage,Production

Physical properties

Hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate (UV Absorber 2908) is white to faint yellow powder. The specific gravity is 1.07 at 25℃. It is easy soluble in toluene, chloroform, hexane, soluble in acetone etc.

Uses

DXSORB 2908 (Hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate; UV Absorber 2908) is an excellent light stabilizer, low volatility, small coloring, good chemical stability, acid and alkali resistance. Suitable for PP and PE and other polyolefin plastics, the general dosage of 0.25 ~ 0.1%. This product can be used alone or in combination with benzophenone ultraviolet stabilizer or phosphite antioxidant, showing good synergistic effect.

Uses

The product belongs to the class of hindered hydroxybenzoate light stabilizer. UV-2908 is most suitable for the protection of polyolefins, polycarbonate and the systems containing flame retardants and thioesters. It can be used alone or in combination with benzophenone UV stabilizer or phosphite antioxidant, showing good synergistic effect.The dosage of UV-2908 ranges between 0.25% and 1% are recommended for protection. It depends on the substrate and performance requirement of the final application.

benefits

Low volatility, minimal color contribution, good chemical stability, acid and alkali resistant, excellent compatibilty with UV absorbers, HALS, and thioesters, FDA sanctioned to 0.5% in polyolefins

Flammability and Explosibility

Not classified

Safety

In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. UV Absorber 2908 is used only with adequate ventilation. Avoid dust formation and ignition sources.

Synthesis

1.Add 3,5-di-tert-butyl-4-hydroxybenzoic acid (3.03 g), 1-hexadecanol (4.42 g), toluene (30 ml) and dried ion-exchange resin (1.49 g, 20 wt%) into a two-necked round flask equipped with a magnetic stirrer for 11.5 hours.2.High performance liquid chromatography is adopted to monitor the reaction and determine the component of the reaction mixture.

UV absorber UV-2908 Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from UV absorber UV-2908 manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd

Product: UV Absorber 2908 67845-93-6
Price: US $79.00-38.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-11-15

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate 67845-93-6
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98.0%
Supply Ability: 500kg/month
Release date: 2021-07-16

Qingdao Truelight functional Material Technology Co., Ltd.

Product: UV STABILIZER TRUELICHT UV 2908 67845-93-6
Price: US $0.00/KG
Min. Order: 1drums
Purity: 98.0%
Supply Ability: 20 tons
Release date: 2021-11-22

67845-93-6, UV absorber UV-2908Related Search:

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UV Absorber 2908

HRsorb-2908

3,5-bis(1,1-dimethylethyl)-4-hydroxy-benzoicacihexadecylester

Benzoicacid,3,5-bis(1,1-dimethylethyl)-4-hydroxy-,hexadecylester

Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate

HEXADECYL 3,5-DI-TERT-BUTYL-4-HYDROXYBENZOATE

3,5-Bis[1,1-dimethylethyl]-4-hydroxybenzoic acid hexadecyl ester

3,5-DI-TERT-BUTYL-4-HYDROXYBENZOIC ACID HEXADECYL ESTER

HEXADECYL 3 5-DI-TERT-BUTYL-4-HYDROXY- &

EINECS 267-342-2

Cyasorb 2908

n-Hexadecyl-3,5-di-tert-butyl-4-hydroxybenzoate

UV-2908

Palmityl 3,5-DI-tert-butyl-4-hydroxybenzoate

3,5-Di-(t-Butyl)-4-hydroxy benzoic acid, hexadecyl ester

Light Stabilizer UV-2908

light stabilizer 2908

Hexadecyl 3,5-di-t-butyl-4-hydroxy benzoate

UV STABILIZER TRUELICHT UV 2908

DXSORB? 2908

JADEWIN UV2908

High purity CAS 67845-93-6 Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate in stock

Sinosorb? UV-2908

UV absorber UV-2908

67845-93-6

HOC6H2CCH332CO2CH215CH3

C30H54O3

C31H54O3