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等级
for microscopy (Bact., Bot., Hist.)
indicator (pH 0.3-1.0)
质量水平
形式
powder or crystals
技术
titration: suitable
pH值（酸碱度）
10 (20 °C, 10 g/L)
溶解性
methanol: 0.01 g/10 mL, red
εmax
≥1000 at 525-535 nm in 50% ethanol
应用
diagnostic assay manufacturing
hematology
histology
microbiology
储存温度
room temp
SMILES字符串
[Cl-].Cc1cc2nc3cc(C)c(N)cc3[n+](-c4ccccc4)c2cc1N
InChI
1S/C20H18N4.ClH/c1-12-8-17-19(10-15(12)21)24(14-6-4-3-5-7-14)20-11-16(22)13(2)9-18(20)23-17;/h3-11H,1-2H3,(H3,21,22);1H
InChI key
OARRHUQTFTUEOS-UHFFFAOYSA-N
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一般描述
番红O，也称碱性红2，是一种碱性、阳离子和变色偶氮染料，用作生物染色剂。它特有的偶氮发色团包含吩嗪，这是一种平面三环二苯并吡嗪，由两个非平面苯环通过两个氮原子连接而成。发色团系统包括离域的正电荷、芳香和醌型结构的交替以及可重氮化的胺基。c-甲基化使该染料具有适中的整体尺寸。 番红的三甲基阳离子形式是亲脂性的，而二甲基形式是弱亲水性的。该染料市售形式为氯化物。
应用
- 番红 O被广泛用作微生物染色剂，特别是在革兰氏染色中 用作复染剂，以区分革兰氏阳性菌和革兰氏阴性菌， 并用于染色细菌孢子。
- 它用于显示人类和动物组织标本中的 糖胺聚糖和细胞核。
- 它是Benda复色染料的成分。
- 它是各种复色和木质素染色剂中用于植物染色应用的 成分。
- 它还已应用于细胞涂片制备中 肥大细胞的显示和外科冷冻切片的染色。
警示用语：
Danger
危险声明
危险分类
Eye Dam. 1
WGK
WGK 3
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
Conn's Biological Stains
Kiernan & Horobin
Conn?s Biological Stains (2002)
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