紫外线328（CAS 25973-55-1）：分子式 C22H29N3O、分子量 351.5。
| CAS号 | 25973-55-1 |
|---|---|
| 分子式 | C22H29N3O |
| 分子量 | 351.5 |
| LogP | 7.4 |
| 应用领域 | Uses: Used to make paints-coatings-thinners、polymers、flexible and rigid foams、adhesives-sealants、and plastic products、[ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Working with Glues and Adhesives [Category: Other]、UV stabilizer in polyolefin films、outdoor furniture and clear coat automotive finishes.、Used as a UV absorber in plastics applications. Particularly recommended for polyolefins、polyurethanes、PVC、polyacrylate、epoxy、and elastomers. Offers strong intensity and broad UV absorption with a fairly sharp wavelength cutoff close to the visible region.、Use Classification: Plastics -> Light stabilisers、Industry Uses: Not Known or Reasonably Ascertainable、Stabilizing agent、Absorbent、Surface modifier、Antioxidant、UV stabilizer、Consumer Uses: UV stabilizer、Brightener、Not Known or Reasonably Ascertainable、Household Products: Information on 4 consumer products that contain 2-(2H-Benzotriazol-2-yl)-4、6-ditertpentylphenol in the following categories is provided:、• Auto Products、• Inside the Home、Formulations、Preparations: Trade names: Eversorb 74、UV-328、U.S. Production: 2023: 850、000 - <1、000、000 lb、2022: 1、000 - <2、500、2021: 1、2020: 1、Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Phenol、2-(2H-benzotriazol-2-yl)-4、6-bis(1、1-d imethylpropyl)-:、Table: National Aggregate Production Volume (pounds) [Table#8476]、General Manufacturing Information: Plastics Material and Resin Manufacturing、Paint and Coating Manufacturing、Adhesive Manufacturing、Synthetic Rubber Manufacturing、Plastics Product Manufacturing、Phenol、1-dimethylpropyl)-: ACTIVE |
登记用途：Uses: Used to make paints-coatings-thinners、polymers、flexible and rigid foams、adhesives-sealants、and plastic products、[ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Working with Glues and Adhesives [Category: Other]、UV stabilizer in polyolefin films、outdoor furniture and clear coat automotive finishes.、Used as a UV absorber in plastics applications. Particularly recommended for polyolefins、polyurethanes、PVC、polyacrylate、epoxy、and elastomers. Offers strong intensity and broad UV absorption with a fairly sharp wavelength cutoff close to the visible region.、Use Classification: Plastics -> Light stabilisers、Industry Uses: Not Known or Reasonably Ascertainable、Stabilizing agent、Absorbent、Surface modifier、Antioxidant、UV stabilizer、Consumer Uses: UV stabilizer、Brightener、Not Known or Reasonably Ascertainable、Household Products: Information on 4 consumer products that contain 2-(2H-Benzotriazol-2-yl)-4、6-ditertpentylphenol in the following categories is provided:、• Auto Products、• Inside the Home、Formulations、Preparations: Trade names: Eversorb 74、UV-328、U.S. Production: 2023: 850、000 - <1、000、000 lb、2022: 1、000 - <2、500、2021: 1、2020: 1、Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Phenol、2-(2H-benzotriazol-2-yl)-4、6-bis(1、1-d imethylpropyl)-:、Table: National Aggregate Production Volume (pounds) [Table#8476]、General Manufacturing Information: Plastics Material and Resin Manufacturing、Paint and Coating Manufacturing、Adhesive Manufacturing、Synthetic Rubber Manufacturing、Plastics Product Manufacturing、Phenol、1-dimethylpropyl)-: ACTIVE。
紫外线328 是一种化工化合物，登记 CAS 号为 25973-55-1，分子式 C22H29N3O（分子量 351.5）。
登记 CAS 号：25973-55-1
其分子式 C22H29N3O 由 22 个碳、29 个氢、3 个氮、1 个氧 组成。
别名/同义词：紫外线328 · UV-328
紫外线328 的 CAS 登记号为 25973-55-1。
分子式 C22H29N3O，分子量 351.5。
别名/同义词：紫外线328、UV-328。
登记用途：Uses: Used to make paints-coatings-thinners、polymers、flexible and rigid foams、adhesives-sealants、and plastic products、[ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Working with Glues and Adhesives [Category: Other]、UV stabilizer in polyolefin films、outdoor furniture and clear coat automotive finishes.、Used as a UV absorber in plastics applications. Particularly recommended for polyolefins、polyurethanes、PVC、polyacrylate、epoxy、and elastomers. Offers strong intensity and broad UV absorption with a fairly sharp wavelength cutoff close to the visible region.、Use Classification: Plastics -> Light stabilisers、Industry Uses: Not Known or Reasonably Ascertainable、Stabilizing agent、Absorbent、Surface modifier、Antioxidant、UV stabilizer、Consumer Uses: UV stabilizer、Brightener、Not Known or Reasonably Ascertainable、Household Products: Information on 4 consumer products that contain 2-(2H-Benzotriazol-2-yl)-4、6-ditertpentylphenol in the following categories is provided:、• Auto Products、• Inside the Home、Formulations、Preparations: Trade names: Eversorb 74、UV-328、U.S. Production: 2023: 850、000 - <1、000、000 lb、2022: 1、000 - <2、500、2021: 1、2020: 1、Non-confidential 2016 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Phenol、2-(2H-benzotriazol-2-yl)-4、6-bis(1、1-d imethylpropyl)-:、Table: National Aggregate Production Volume (pounds) [Table#8476]、General Manufacturing Information: Plastics Material and Resin Manufacturing、Paint and Coating Manufacturing、Adhesive Manufacturing、Synthetic Rubber Manufacturing、Plastics Product Manufacturing、Phenol、1-dimethylpropyl)-: ACTIVE。
紫外线328（CAS 25973-55-1）的独立参考数据，整理自公开化学数据库。
| CAS 号 | 25973-55-1 |
|---|---|
| PubChem CID | 33263 |
| 分子式 | C22H29N3O |
| IUPAC 名称 | 2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol |
| UNII（FDA） | VN99CPK4TI |
| Molecular Weight | 351.5 |
|---|---|
| XLogP3 | 7.4 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 5 |
| Exact Mass | 351.231062557 |
| Monoisotopic Mass | 351.231062557 |
| Topological Polar Surface Area | 50.9 |
| Heavy Atom Count | 26 |
25973-55-1; 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol; Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-; 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol; UV-328; Tinuvin 328; DTXSID2027886; VN99CPK4TI; 2-(2'-Hydroxy-3',5'-di-tert-amylphenyl)benzotriazole; Phenol, 2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentyl-; 2-(2-hydroxy-3,5-di-tert-pentylphenyl)benzotriazole; 247-384-8; UV328; RefChem:53386; UV 328; 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol (UV-328)
| 法规与食品接触 | FDA 21 CFR 中列出的食品接触物质清单：FCS |
|---|---|
| GHS 通报统计 | 4.5% (74 / 1647) |
| GHS 通报统计 | 4.5% (74 / 1647) |
|---|---|
| 已通报的危害声明 | H373 (85.7%), H413 (88.3%), H372, H410 |
紫外线吸收剂 UV-328 · CAS 25973-55-1 · C22H29N3O. UNII VN99CPK4TI.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: UV-328