3,3-二苯基-3H-萘并[2,1-b]吡喃 (CAS No.4222-20-2)
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- 中文别名
- 3,3-二苯基萘并吡喃；3,3-二苯基-3H-苯并[f]色烯
- 英文名称
- 3,3-Diphenyl-3H-naphtho[2,1-b]pyran
- 分子式
- C25H18O
- 所属类别
- 染料颜料
- 物化性质
- 白色至浅黄色结晶粉末，熔点约152-156℃，沸点约527.7℃（760 mmHg），闪点约271.6℃，不溶于水，易溶于丙酮、氯仿、甲苯等有机溶剂。在紫外光照射下发生可逆的光致变色，由无色或浅色变为黄色至橙色。
- 技术参数
- 纯度≥99%（HPLC） 分子式C25H18O，分子量334.41 外观为白色至浅黄色结晶粉末 熔点152-156℃ 紫外光照射下具有可逆光致变色性能，变色吸收波长约420-450nm
English description（英文原文，共 1179 字符）
Product Name:3,3-Diphenyl-3H-naphtho[2,1-b]pyran
English Name:3,3-Diphenyl-3H-naphtho[2,1-b]pyran
CAS No.:4222-20-2
Aliases:3,3-Diphenylnaphtho[2,1-b]pyran, 3,3-Diphenyl-3H-benzo[f]chromene
Molecular Formula:C25H18O
Physical Properties:White to light yellow crystalline powder, melting point approximately 152-156°C, boiling point approximately 527.7°C (760 mmHg), flash point approximately 271.6°C. Insoluble in water, soluble in common organic solvents such as acetone, chloroform, and toluene. It exhibits reversible photochromism under UV irradiation, changing from colorless or pale to yellow or orange.
Uses:Used as a photochromic material, mainly applied in optical films such as photochromic lenses, architectural glass films, and automotive mirror films; also used as a color-changing functional additive in textile dyeing, anti-counterfeiting inks, coatings, plastics, and other fields.
Technical Specifications:
Purity ≥99% (HPLC)
Molecular formula C25H18O, molecular weight 334.41
White to light yellow crystalline powder appearance
Melting point 152-156°C
Reversible photochromism under UV irradiation, with absorption wavelength approximately 420-450 nm
English Name:3,3-Diphenyl-3H-naphtho[2,1-b]pyran
CAS No.:4222-20-2
Aliases:3,3-Diphenylnaphtho[2,1-b]pyran, 3,3-Diphenyl-3H-benzo[f]chromene
Molecular Formula:C25H18O
Physical Properties:White to light yellow crystalline powder, melting point approximately 152-156°C, boiling point approximately 527.7°C (760 mmHg), flash point approximately 271.6°C. Insoluble in water, soluble in common organic solvents such as acetone, chloroform, and toluene. It exhibits reversible photochromism under UV irradiation, changing from colorless or pale to yellow or orange.
Uses:Used as a photochromic material, mainly applied in optical films such as photochromic lenses, architectural glass films, and automotive mirror films; also used as a color-changing functional additive in textile dyeing, anti-counterfeiting inks, coatings, plastics, and other fields.
Technical Specifications:
Purity ≥99% (HPLC)
Molecular formula C25H18O, molecular weight 334.41
White to light yellow crystalline powder appearance
Melting point 152-156°C
Reversible photochromism under UV irradiation, with absorption wavelength approximately 420-450 nm
共 1 家生产厂家、批发商，
1 条供应报价
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常见问题
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的 CAS 号是多少？
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的 CAS 号是 4222-20-2。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的分子式和分子量是什么？
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的分子式为 C25H18O。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的英文名称是什么？
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的英文名称为 3,3-Diphenyl-3H-naphtho[2,1-b]pyran。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃还有哪些别名？
- 3,3-二苯基-3H-萘并[2,1-b]吡喃又称 3,3-二苯基萘并吡喃、3,3-二苯基-3H-苯并[f]色烯。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条3,3-二苯基-3H-萘并[2,1-b]吡喃供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的供应商主要分布在哪些地区？
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的供应商主要分布在 上海市（1 条） 等地。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃有哪些级别可选？
- 平台上3,3-二苯基-3H-萘并[2,1-b]吡喃的供应级别包括 工业级。
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的报价单位是什么？
- 3,3-二苯基-3H-萘并[2,1-b]吡喃的报价单位主要有 千克。
- 哪里可以查到3,3-二苯基-3H-萘并[2,1-b]吡喃的价格？
- 掌上化工3,3-二苯基-3H-萘并[2,1-b]吡喃产品页汇总了各供应商的最新报价与规格，地址：/chemicals/4222-20-2/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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