潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Home > Offer to Sell > Catalyst_and_Auxiliary > UV absorber-P

UV absorber-P

Inquiry
  Post Date: Jul 05,2025
  Expiry Date: Jan 01,2026
  Detailed Description: Cas No. :2440-22-4

CAS No. [2440-22-4]
Chemical name: 2-(2-hydroxy-5-methylphenyl)benzotriazole
Molecular formula: C13H11N3O
Molecular weight: 225.3
Specification:
Appearance: white to light yellow powder
Assay: 99% min.
Melting point: 128.0-132.0癈
Loss on drying: 0.5% max.
Ash: 0.1% max.
Transmittance:
at 440nm: 97% min.
at 500nm: 98% min.
Packing: 20/25kg fiber drum
Usage:
As the ultraviolet absorption agent, it is available to polyester, epoxy, cellulose acetate, PVC, polystyrene, plexiglass and polyacrylonitrile resin etc. The maximum absorbing wavelength range is 270-380nm.

Molecular structure:


  CAS Registry Number:

2440-22-4

  Synonyms: ;2-(2-Benzotriazolyl)-p-cresol;UV-P;2-(2-Benzotriazolyl)-4-methylphenol;2-(2-Hydroxy-5-methyl-phenyl)benzotriazole;Drometrizole;Benazol P;Tinuvin P;PrimesorbP;Ultraviolet absorber UV-P;UV absorber-P;UV absorber UV-P;2H-benzotriazole;2-(2H-benzotriazol-2-yl)-4-methylphenol;4-methyl-2-(7,8,9-triazatricyclo[4.3.0.07,9]nona-1,3,5-trien-8-yl)phenol;2-(2H-Benzotriazol-2-yl)-p-cresol;Ultraviolet absorbent UV-P;UV P;Ultraviolet light absorber UV-P;UV Abosorber UV-P;
  Molecular Formula: C13H11N3O
  Molecular Weight: 225.2459
  Molecular Structure: 2440-22-4 2-(2'-Hydroxy-5'-methyl-phenyl)benzotriazole
  Safety Description: S22:;
S24/25:;

  Company: STAR CHEMICALS AND CATALYSTS CO,.LTD.     [ China ]          
  Contact:
  Tel: +86-571-88086639
  Fax: +86-571-88085659
  Email: info@star-chemicals.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.
主站蜘蛛池模板: 荥阳市| 轮台县| 穆棱市| 东乌| 孟津县| 北安市| 南通市| 福州市| 聊城市| 含山县| 政和县| 梅河口市| 隆安县| 万安县| 革吉县| 丹阳市| 绥滨县| 汤阴县| 伊金霍洛旗| 洛阳市| 鸡西市| 淳安县| 彰化县| 彩票| 长汀县| 山西省| 惠东县| 教育| 孙吴县| 宜州市| 蓝田县| 镇巴县| 贞丰县| 宁都县| 孝昌县| 通榆县| 武宣县| 拉孜县| 许昌县| 阳新县| 白水县|