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线性分子式:
KHC8H4O4
化学文摘社编号:
分子量:
204.22
UNSPSC Code:
12352106
EC Index Number:
212-889-4
NACRES:
NA.21
MDL number:
Assay:
≥99.5% dry basis (perchloric acid titration)
Grade:
reagent grade
Form:
solid
Solubility:
water: soluble (93 g/l (86 °F / 30 °C))
Quality Segment
grade
reagent grade
agency
reag. Ph. Eur.
product line
EMSURE®
assay
≥99.5% dry basis (perchloric acid titration)
form
solid
potency
>3200 mg/kg LD50, oral (Rat)
impurities
≤0.005% In water insoluble matter
loss
≤0.2% loss on drying, 105°C
pH
4.0 (20 °C, 50 g/L in H2O)
mp
295-300 °C
solubility
water: soluble (93 g/l (86 °F / 30 °C))
density
1.636 g/cm3
bulk density
900 kg/m3
anion traces
chloride (Cl-): ≤0.002%, sulfur compounds (as SO42-): ≤0.005%
cation traces
Cu: ≤0.0002%, Fe: ≤0.0005%, Na: ≤0.01%, Pb: ≤0.0005%, heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
SMILES string
[K+].[O-]C(=O)c1c(cccc1)C(=O)[O-].[H+]
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
Application
- Coulometric method with titratable impurity analysis and mass balance method:本研究提供一种方法将邻苯二甲酸氢钾的酸量纯度转化为化学纯度,并使用定量核磁共振技术(qNMR)验证,以提升分析化学用标准品(Huang T et al., 2023)。
- Triplet states of the nonlinear optical chromophore DCM in single crystals:研究邻苯二甲酸氢钾单晶中非线性生色团DCM的三重激发态及其与单分子暗态的关系,对于开发光学材料有重要意义(Barbon A et al., 2009)。
Analysis Note
含量测定(高氯酸滴定,以干燥物质计算): ≥ 99.5 %
鉴别(红外光谱):通过测试
不溶于水的物质: ≤ 0.005 %
氯化物(Cl): ≤ 0.002 %
硫化合物(以SO₄计): ≤ 0.005 %
重金属(以铅计): ≤ 0.0005 %
Cu(铜): ≤ 0.0002 %
Fe(铁): ≤ 0.0005 %
Na(钠): ≤ 0.01 %
Pb(铅): ≤ 0.0005 %
干燥失重(105 °C): ≤ 0.2 %
符合Reag. Ph Eur
鉴别(红外光谱):通过测试
不溶于水的物质: ≤ 0.005 %
氯化物(Cl): ≤ 0.002 %
硫化合物(以SO₄计): ≤ 0.005 %
重金属(以铅计): ≤ 0.0005 %
Cu(铜): ≤ 0.0002 %
Fe(铁): ≤ 0.0005 %
Na(钠): ≤ 0.01 %
Pb(铅): ≤ 0.0005 %
干燥失重(105 °C): ≤ 0.2 %
符合Reag. Ph Eur
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
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存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
387.1 °F - Pensky-Martens closed cup
flash_point_c
197.3 °C - Pensky-Martens closed cup