disodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)

• ChemBase编号: 110103
• 分子式: C20H6I4Na2O5
• 平均质量: 879.85606
• 单一同位素质量: 879.61895385
• SMILES: [Na+].[Na+].[O-]c1c(I)c2c(cc1I)C1(OC(=O)c3c1cccc3)c1c(O2)c(I)c([O-])c(I)c1
• Canonical SMILES: O=C1OC2(c3c1cccc3)c1cc(I)c(c(c1Oc1c2cc(I)c(c1I)[O-])I)[O-].[Na+].[Na+]
• InChI: InChI=1S/C20H8I4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;/q;2*+1/p-2
• InChIKey: RAGZEDHHTPQLAI-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: disodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)
• IUPAC传统名: disodium 2',4',5',7'-tetraiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate); dipotassium 2',4',5',7'-tetraiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)
• 别名: EOSIN IODO; Sodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate); 2′,4′,5′,7′-Tetraiodofluorescein disodium salt; Acid Red 51; Iodoeosin; Erythrosin extra bluish; TETRAIODOFLUORESCEIN, NA SALT; Erythrosin extra bluish; Erythrosin B

登记号

• CAS号: 16423-68-0
• EC号: 240-474-8
• MDL号: MFCD00144257
• Beilstein号: 1443945
• PubChem SID: 24894685; 24851871; 162095747
• PubChem CID: 12961638
• Color Index Number: 45430
• E编码: E127

理论计算性质

• Acid pKa: 6.4986806
• 质子受体: 3
• 质子供体: 0
• LogD (pH = 5.5): 7.5539722
• LogD (pH = 7.4): 6.229109
• Log P: 7.596121
• 摩尔折射率: 165.7707 cm^3
• 极化性: 55.3909 Å^3
• 极化表面积: 81.65 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: false

分子性质

理化性质

• 紫外吸收波长: λmax 525 nm

安全信息

• RTECS编号: LM5950000
• 欧盟危险性物质标志: 有害性(Harmful) (Xn)
• 德国WGK号: 3
• 危险公开号: 22; R:22
• 安全公开号: 36; S:36/37/39
• GHS危险品标识: GHS07
• GHS警示词: Warning
• GHS危险声明: H302-H413
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves

产品相关信息

• 纯度: ≥98.0% (HPLC); 95+%
• 级别: analytical standard; certified by the Biological Stain Commission
• 主要成分: Dye content, ≥80%; Dye content, 90%
• Empirical Formula (Hill Notation): C20H6I4Na2O5

详细说明

MP Biomedicals - 05222065

MP Biomedicals Rare Chemical collection

MP Biomedicals - 05213757

MP Biomedicals Rare Chemical collection

Sigma Aldrich - E8886

Suitability
Certified for use in the Jackson stain for plant anatomy; counterstain for alum hematoxylin; Kreyberg′s method for keratin and mucus.

Sigma Aldrich - 198269

包装
25 g in glass bottle
Suitability
Counterstain to alum-hematoxylin.