60357
邻苯二甲酸氢钾
reference material for titrimetry, certified by BAM, >99.5%
别名:
KHP, 苯二甲酸氢钾, 邻苯二甲酸 单钾盐, 酞酸氢钾
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关于此项目
线性分子式:
HOOCC6H4COOK
化学文摘社编号:
分子量:
204.22
Beilstein:
3637128
EC 号:
MDL编号:
UNSPSC代码:
41116107
PubChem化学物质编号:
NACRES:
NA.24
等级
reference material
质量水平
方案
>99.5%
质量
certified by BAM
技术
titration: suitable
pH值（酸碱度）
4
mp
295-300 °C (dec.) (lit.)
应用
environmental
包装形式
neat
SMILES字符串
[K+].OC(=O)c1ccccc1C([O-])=O
InChI
1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
InChI key
IWZKICVEHNUQTL-UHFFFAOYSA-M
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一般描述
邻苯二甲酸氢钾（KHP）是严格条件下以最高精度测量产生的容量标准物。标准物的含量采用容量酸碱滴定法测定。其认证值和不确定性度量满足 ISO 指南 35 的要求。
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
应用
其可作为标准物质，用于在碱量滴定中标定滴定溶液。
特点和优势
- 以坚固玻璃瓶装固体形式提供，确保开封前整个保质期内的稳定性。
- 高纯度材料，可追溯至 NIST SRM
- 高品质材料，可提供精准的滴定测定
- 随附分析证书（CoA）
分析说明
精确浓度、有效期以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
387.1 °F - Pensky-Martens closed cup
闪点(°C)
197.3 °C - Pensky-Martens closed cup
个人防护装备
Eyeshields, Gloves, type N95 (US)
Acid- Base Dissociation Constants of o-Phthalic Acid in Acetonitrile/Water Mixtures over the (15 to 50)? C Temperature Range and Related Thermodynamic Quantities
Gagliardi GL, et al.
Journal of Chemical and Engineering Data, 55(1), 85-91 (2010)
Purity of potassium hydrogen phthalate, determination with precision coulometric and volumetric titration--A comparison
Recknagel S, et al.
Analytica Chimica Acta, 599(2), 256-263 (2007)
Purity of potassium hydrogen phthalate, determination with precision coulometric and volumetric titration?A comparison
Recknagel S, et al.
Analytica Chimica Acta, 599, 256-263 (2007)
Martha M Téllez-Rojo et al.
The Science of the total environment, 461-462, 386-390 (2013-06-12)
Previous studies suggest that prenatal phthalate exposure affects neurodevelopment and behavior during the first years of life. To evaluate the effect of maternal urinary concentrations of phthalate metabolites during pregnancy on mental and psychomotor development in children 24-36 months of
Randi J Bertelsen et al.
Environmental health perspectives, 121(2), 251-256 (2012-11-21)
High-molecular-weight phthalates in indoor dust have been associated with asthma in children, but few studies have evaluated phthalate biomarkers in association with respiratory outcomes. We explored the association between urinary concentrations of phthalate metabolites and current asthma. In a cross-sectional
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