disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate

• ChemBase编号: 103621
• 分子式: C20H6Br4Na2O5
• 平均质量: 691.85418
• 单一同位素质量: 687.67440985
• SMILES: [Na+].[Na+].[O-]C(=O)c1c(cccc1)c1c2cc(Br)c(=O)c(Br)c2oc2c1cc(Br)c([O-])c2Br
• Canonical SMILES: [O-]C(=O)c1ccccc1c1c2cc(Br)c(c(c2oc2c1cc(Br)c(=O)c2Br)Br)[O-].[Na+].[Na+]
• InChI: InChI=1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
• InChIKey: SEACYXSIPDVVMV-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
• IUPAC传统名: dipotassium eosin YS(2-); dipotassium 2-(2,4,5,7-tetrabromo-3-oxido-6-oxo-6H-xanthen-9-yl)benzoate; disodium eosin YS(2-)
• 别名: 2′,4′,5′,7′-四溴荧光素 二钠盐; 四溴荧光黄; 曙红 Y; 曙红微黄; 酸性红 87; 醇溶伊红; 伊红 Y 二钠盐; 曙红微黄 溶液; 伊红 Y 溶液; 伊红 Y; 曙红 微黄; 2′,4′,5′,7′-Tetrabromofluorescein disodium salt; Bromo acid J. TS, XL, or XX; Eosin Yellowish; Acid Red 87; 2',4',5',7'-Tetrabromofluorescein disodium salt; Bromofluorescein; Bronze Bromo ES; EOSIN Y; Eosin Y disodium salt; Eosin yellowish solution; Eosin Y solution; Eosin Y; C.I. 45380; Eosin Yellowish

登记号

• CAS号: 17372-87-1
• EC号: 241-409-6
• MDL号: MFCD00133309; MFCD00005040
• Beilstein号: 3586809; 1443944
• 默克索引号: 143603
• PubChem SID: 24868695; 24894349; 24894551; 24858876; 24868692; 162102852
• PubChem CID: 11048
• Color Index Number: 45380

理论计算性质

• Acid pKa: 3.3859963
• 质子受体: 5
• 质子供体: 0
• LogD (pH = 5.5): 2.7443838
• LogD (pH = 7.4): 0.8024107
• Log P: 5.9925447
• 摩尔折射率: 155.2642 cm^3
• 极化性: 45.847355 Å^3
• 极化表面积: 89.49 Å^2
• 可自由旋转的化学键: 1
• 里宾斯基五规则: false

分子性质

理化性质

• 溶解度: H2O: soluble; H2O: soluble0.1 g/mL, dark red; Soluble in water, fairly soluble in alcohol, insoluble in ether
• 外观: S. No.: 881
• 密度: 1.015 g/mL at 25 °C
• 紫外吸收波长: λmax 517 nm; λmax 518 nm
• 荧光: λem 540 nm in H2O; λex 520 nm; λem 540 nm in H2O; λex 532 nm

安全信息

• 保存条件: Room Temperature (15-30°C)
• RTECS编号: LM5850000
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• 德国WGK号: 3
• 危险公开号: 36; R:36/37/38
• 安全公开号: 26; 26-60; S:20-25-26-37/39
• TSCA收录: 是
• GHS危险品标识: GHS07
• GHS警示词: Warning
• GHS危险声明: H319; H319-H303
• GHS警示性声明: P280-P264-P305+P351+P338-P312-P337+P313; P305 + P351 + P338
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves

产品相关信息

• 纯度: ≥85.0%
• 浓度: 5 wt. % in H2O
• 级别: adsorption and fluorescent indicator; certified by the Biological Stain Commission; for electrophoresis; for microscopy; for microscopy (Fl., Hist.); indicator grade; purum; SAJ special grade
• 主要成分: Dye content, ~85%; Dye content, ≥85%; Dye content, ≥90%; Dye content, 80%; Dye content, 90%
• 适用性: in accordance for electrophoresis test; passes test for suitability as indicator; passes test for suitability for microscopy; suitable for stain in acid uregel system
• Empirical Formula (Hill Notation): C20H6Br4Na2O5

详细说明

MP Biomedicals - 02152471

C.I 45380
Disodium Salt

MP Biomedicals - 05203346

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 45235

Other Notes
Reversible staining of peptides and proteins after PAGE, followed by recovery of proteins1

Sigma Aldrich - 216127

包装
100 g in glass bottle

Sigma Aldrich - 318906

包装
500 mL in glass bottle

Sigma Aldrich - 119830

包装
100 g in glass bottle

Sigma Aldrich - E4382

包装
25, 100 g in glass bottle
Suitability
Certified for use as a counterstain against hematoxylin; as a constituent of Wright stain; in modified Nocht′s stain; as a constituent in eosin-methylene blue medium.

Sigma Aldrich - E6003

包装
25, 100, 250 g in glass bottle

参考文献

• Adsorption and fluorescence indicator.