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Product introduction
HNB是钙的金属指示剂,碱土金属离子、稀土金属离子、铀离子的比色试剂。HNB易溶于水和乙醇,HNB的水溶液在pH 7-12时呈蓝色,pH >13时呈红色,在pH 10且有钙离子存在时呈粉红色。碱土金属离子和稀土金属离子的检测范围分别为1-600 ppm和1-300 ppm。复合物的最大波长是650 nm。HNB也被用于UO2(II)的检测。据报道,HNB的质子解离常数为pKa4=6.44, pKa5=12.91 (μ=0.1,24℃)。
Chinese name
羟基萘酚蓝
English name
Hydroxynaphthol blue
Chinese alias
羟基萘酚三钠盐
English alias
Hydroxynaphthol blue | 63451-35-4 | HYDROXY NAPHTHOL BLUE | VG5SKF7S6C | Sodium 3-hydroxy-4-((2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonate | 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-hydroxy-4-sulfo-1-naphthalenyl)azo)-,
CAS number
63451-35-4
molecular formula
C20H11N2Na3O11S3
molecular weight
620.47 g/mol
Exact mass
≥80%
PSA
262.000 Ų
Logp
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Research chemical CAS 63451-35-4 ≥80%; 1g

Research chemical CAS 63451-35-4 ≥80%; 1g; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: ≥80%; 1g.

item number:V33518-1g
Product model:1g
level: ≥80%; 1g
Lead Time:30days
sold 736 Items
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