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品红 (化合物)

品红 (化合物)
固体碱性品红
碱性品红溶液
IUPAC名
4-[(4-Aminophenyl)-(4-imino-1-cyclohexa-2,5-dienylidene)methyl]aniline hydrochloride
别名 鹽酸玫瑰苯胺
识别
CAS号 632-99-5  checkY
ChemSpider 21106314
SMILES
 
  • Cl.[NH2+]=C\1/C=C\C(C=C/1)=C(\c2ccc(N)c(C)c2)c3ccc(N)cc3
InChI
 
  • 1/C20H19N3.ClH/c1-13-12-16(6-11-19(13)23)20(14-2-7-17(21)8-3-14)15-4-9-18(22)10-5-15;/h2-12,21H,22-23H2,1H3;1H/p+1/b20-14-,21-17?;
InChIKey NIKFYOSELWJIOF-ZTQQLSIABC
RTECS 8053-09-6
性质
化学式 C20H20N3·HCl
摩尔质量 337.86 (hydrochloride) g·mol⁻¹
熔点 200°C
溶解性 2650 mg/L (25°C)
log P 2.920
蒸氣壓 7.49E-10 mm Hg (25°C)
kH 2.28E-15 atm-m3/mole (25°C)
大气·OH反应速率常数 4.75E-10 cm3/molecule-sec (25°C)
危险性
主要危害 Ingestion, inhalation, skin and eye contact, combustible at high temperature, slightly explosive around open flames and sparks.
NFPA 704
1
2
0
 
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

品紅(英語:fuchsine,fuchsin)又稱複紅[1]苯胺紅基一品紅基鹼式一品紅鹽酸玫瑰苯胺(rosaniline hydrochloride),為一顏料,其溶入蒸餾水後通入二氧化硫所製得溶液稱為希夫試劑,可用來檢測醛類

名稱拼寫問題

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一般認為品紅的英語正規拼法是“fuchsine”,有代表胺類的字尾e,常用於印染工業文獻;但也接受變異拼法“fuchsin”[2][3],常見於與顯微鏡標本染色的相關文獻中。

特性

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溶於水時是紅色液態,固態是深綠色晶體。

用途

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品紅可用於染色細菌、染色紡織品、消毒劑等。

配製方法

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苯胺、鄰-甲苯胺、對-甲苯胺、及它們的氯化氫化合物等混合,和硝基苯進行氧化作用。或硝基苯及鄰-硝基甲苯,在氯化亞鐵氧化亞鐵氯化鋅共存下混合、行中和作用產生類而得。

歷史

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品紅由它的製造商 Renard frères et Franc 命名,其來源有兩種說法:一說是來自倒掛金鐘花的顏色,這種花是以植物學家莱昂哈特·福克斯命名的;另一說作為德語中將製造商的名稱「Renard」翻譯成「fuchs」,這個字同時有「狐狸」的意思,因此有雙關語的妙趣。1861年的一份文獻「Répertoire de Pharmacie」表示品紅是同時根據上述兩種理由命名的。

酸性品紅

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酸性品紅除了修改的磺酸基外,是一種鹼性品紅的同源混合物。擁有十二個可能的異構體,其性质略有不同。[來源請求]

參考

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  1. ^ https://terms.naer.edu.tw/detail/a009e9ef5467a8679e72c3546ec0dc32/
  2. ^ 存档副本. [2024-01-27]. (原始内容存档于2024-01-27). 
  3. ^ R. W. Sabnis. Handbook of Biological Dyes and Stains: Synthesis and Industrial Applications. John Wiley & Sons. 2010: 43 [2024-01-27]. ISBN 9780470407530. (原始内容存档于2024-01-27). 
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品红 (化合物)
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