UV Absorber UV-328 99%
25973-55-1
Industrial Grade
99%
SHANGHAI
25kg/2.5kg Fiber Drum
2019-03-31
UV absorbers,antioxidants,light stabilizer,UV Absorbers UV-531（BP-12),Benzophenone-3 UV-9,LIGHT STABILIZER UV-292 HALS,LIGHT STABILIZER UV770,ANTIOXIDANT 168
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Product Description
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Seller Information
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Description
UV ABSORBERS
UV-328
Chemical name： 2-(2'-Hydroxy-3',5'-di-tert-amylphenyl)benzotriazole
CAS NO.：25973-55-1
Molecular formula: C22H29N3O
Item
Index
Appearance
Light yellow powder
Assay
≥99%
Melting point
≥80℃
Ash
≤0.3%
Transmittance
460nm≥98%
500nm≥99%
Packing
25kg/drum
Basic Info-
Product Name:
UV 328
Other Name:Phenol,2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-;Phenol,2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentyl-;2-(2H-Benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)phenol;2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole;Tinuvin 328;2-(2-Hydroxy-3,5-di-tert-pentylphenyl)benzotriazole;2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol;2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazole;2-(3′,5′-Di-tert-amyl-2′-hydroxyphenyl)benzotriazole;2-(2-Hydroxy-3,5-di-tert-amylphenyl)-2H-benzotriazole;2-(3,5-Di-tert-amyl-2-hydroxyphenyl)-2H-benzotriazole;Sumisorb 350;Viosorb 591;Seesorb 704;2-(2′-Hydroxy-3′,5′-di-tert-amylphenyl)benzotriazole;Cyasorb UV 2337;2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)-2H-benzotriazole;Kemisorb 74;Tin 328;Lowilite 28;UV 328;2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)benzotriazole;Chisorb 328;UV 74;Eversorb 74;UV 2337;THUV 328;2-[2-Hydroxy-3,5-bis(1,1-dimethylpropyl)phenyl]-2H-benzotriazole;Light Stabilizer 328;Tinuvin PA 238;2-(Benzotriazol-2-yl)-4,6-bis-(2-methylbutan-2-yl)phenol;2-(Benzotriazol-2-yl)-4,6-bis-(1,1-dimethyl-propyl)phenol;EV 74;Hostavin 3310;BLS 99-2;2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol;2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol;3142-41-4;42558-99-6;51829-45-9;70419-42-0;98354-04-2;102257-30-7;104817-16-5;131242-53-0;134018-57-8;153613-73-1;186805-09-4;188025-36-7;189377-89-7;796971-88-5;850346-35-9;855281-45-7;909728-30-9;1244977-94-3;1391942-68-9;1449275-36-8;1492588-58-5;2098648-58-7;2135719-12-7
CAS No.:25973-55-1
Molecular Formula:C22H29N3O
InChIKeys:InChIKey=ZMWRRFHBXARRRT-UHFFFAOYSA-N
Molecular Weight:351.49
Exact Mass:351.49
EC Number:247-384-8
UNII:VN99CPK4TI
DSSTox ID:DTXSID2027886
Color/Form:White to yellow powder or crystals|Powder
HScode:2933990090
Categories:
Characteristics-
PSA:
50.94000
XLogP3:8.28
Appearance:DryPowder; Liquid; OtherSolid
Density:1.1±0.1 g/cm3
Melting Point:86.5-88.0 °C @ Solvent: Ethanol
Boiling Point:469.1±55.0 °C at 760 mmHg
Flash Point:237.5±31.5 °C
Refractive Index:1.575
Water Solubility:In water, 1.48X10-2 mg/L at 25 °C (est)
Storage Conditions:Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place.
Vapor Pressure:1.93X10-10 mm Hg at 25 °C (est)
Henrys Law Constant:Henry's Law constant = 6.52X10-13 atm-cu m/mol at 25 °C (est)
Experimental Properties:Hydroxyl radical reaction rate constant = 1.58X10-11 cu cm/molec-sec at 25 °C (est)
Hazard IdentificationClassification of the substance or mixture
Specific target organ toxicity â repeated exposure, Category 2
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 4
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H373 May cause damage to organs through prolonged or repeated exposure
H413 May cause long lasting harmful effects to aquatic life
Precautionary statement(s) Prevention P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
Response P319 Get medical help if you feel unwell.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
UV absorbers,antioxidants,light stabilizer,UV Absorbers UV-531（BP-12),Benzophenone-3 UV-9,LIGHT STABILIZER UV-292 HALS,LIGHT STABILIZER UV770,ANTIOXIDANT 168
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Location:
Zhangjiagang Free Trade Zone,Suzhou Province,Jiangsu,China
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Payment Terms:
TT against copy of documents,L/C
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Average lead Time:
60
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
51-100
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Year of Establishment:
1996
Zhangjiagang Free Trade Zone Younuo Chemical Auxiliary Co., Ltd. is a company that manufactures and sells plastic additives such as light stabilizers, ultraviolet absorbers, *** agents, anti-shrinkage agents, nucleating agents, formerly Yugang Chemical Co. Founded in 1996, the company has a complete and scientific quality management system with annual sales of 150 million yuan. In 2006, at the request of the local environmental protection department, the company's production department moved from southern Jiangsu to Yancheng, and the local sales department of southern Jiangsu was retained. After nearly ten years of development, the company's integrity, strength and product quality have been recognized by the industry. The company has now become a research, development, production and sales of *** chemical company, of which ultraviolet absorber series is the company's main products, with an annual production capacity of 1200 tons, the products are exported to Europe, America and Southeast Asia. Friends from all walks of life are welcome to visit, guide and negotiate business.
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