2866-43-5

• 常用中文名：荧光增白剂EBF
• 常用英文名：2,2'-thiophene-2,5-diylbis(benzoxazole)
• CAS号：2866-43-5
• 分子式：C₁₈H₁₀N₂O₂S
• 分子量：318.34900
• 相关类别： 催化剂及助剂 荧光增白剂
• 发布时间：2018-07-23 01:19:08
• 更新时间：2025-08-25 10:23:53

名称

• 中文名: 荧光增白剂EBF
• 英文名: Fluorescent Brightener 185
• 中文别名: 2,5-双(2-苯并噁唑)噻吩; 荧光增白剂 PB
• 英文别名: 2,4-DICHLORO-5-FLUORO-3-NITROBENZOTRIFLUORIDE; 2,2'-thiodipropanol; 2,2'-sulfanediyldipropan-1-ol; 2,2'-sulfanediyl-bis-propan-1-ol; 2,2'-thiophene-2,5-diyl-bis-benzooxazole; 1-Propanol,2,2'-thiobis

物化性质

• 密度: 1.385
• 沸点: 466.4ºC at 760 mmHg
• 熔点: 216-220ºC
• 分子式: C₁₈H₁₀N₂O₂S
• 分子量: 318.34900
• 闪点: 235.9ºC
• 精确质量: 318.04600
• PSA: 80.30000
• LogP: 5.36450
• 外观性状: 亮黄色晶体粉末
• 折射率: 1.6000 (estimate)

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : DM4888166 CHEMICAL NAME : Benzoxazole, 2,2'-(2,5-thiophenediyl)bis- CAS REGISTRY NUMBER : 2866-43-5 LAST UPDATED : 199701 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C18-H10-N2-O2-S HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >30 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973

安全

• 海关编码: 2934999090

合成路线

4282-31-9 95-55-6 ~5% 2866-43-5

文献：MASSACHUSETTS INSTITUTE OF TECHNOLOGY; PRESIDENT AND FELLOWS OF HARVARD COLLEGE; GENZYME CORPORATION Patent: WO2009/137081 A2, 2009 ; Location in patent: Page/Page column 44-45 ; WO 2009/137081 A2

273-53-0 625-88-7 ~90% 2866-43-5

文献：Shibahara, Fumitoshi; Yamaguchi, Eiji; Murai, Toshiaki Chemical Communications, 2010 , vol. 46, # 14 p. 2471 - 2473

273-53-0 3141-27-3 ~50% 934329-17-6 2866-43-5

文献：Derridj, Fazia; Djebbar, Safia; Benali-Baitich, Ouassini; Doucet, Henri Journal of Organometallic Chemistry, 2008 , vol. 693, # 1 p. 135 - 144

273-53-0 3141-27-3 ~49% 2866-43-5

文献：Derridj, Fazia; Gottumukkala, Aditya L.; Djebbar, Safia; Doucet, Henri European Journal of Inorganic Chemistry, 2008 , # 16 p. 2550 - 2559

4282-31-9 ~% 2866-43-5

文献：Seha, Zdenek; Weis, Claus D Helvetica Chimica Acta, 1980 , vol. 63, # 2 p. 413 - 419

3857-36-1 ~% 2866-43-5

文献：Seha, Zdenek; Weis, Claus D Helvetica Chimica Acta, 1980 , vol. 63, # 2 p. 413 - 419

上下游产品

上游产品  6
4282-31-9 95-55-6 273-53-0 625-88-7
3141-27-3 3857-36-1
下游产品  0

海关

海关编码	2934999090
中文概述	2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%