179922
邻苯二甲酸氢钾
ACS reagent grade, 99.95-100.05% dry basis, crystals, acidimetric standard
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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产品名称
邻苯二甲酸氢钾, ACS reagent, acidimetric standard
grade
ACS reagent
Quality Segment
assay
99.95-100.05% dry basis
form
crystals
quality
acidimetric standard
impurities
≤0.002% S compounds, ≤0.003% Cl compounds, ≤0.005% insolubles
pH
4.00-4.02 (25.0 °C±0.2 °C, 0.05 M)
mp
295-300 °C (dec.) (lit.)
solubility
water: soluble (93 g/l at 30 °C (86 °F))
anion traces
chlorine and bromine (as Cl-): ≤0.003%, sulfur compounds (as SO42-): ≤0.002%
cation traces
Fe: ≤5 ppm, Na: ≤0.005%, heavy metals: ≤5 ppm (by ICP)
functional group
carboxylic acid
SMILES string
[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
Application
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wgk
WGK 1
flash_point_f
387.1 °F - Pensky-Martens closed cup
flash_point_c
197.3 °C - Pensky-Martens closed cup
ppe
Eyeshields, Gloves, type N95 (US)
存储类别
11 - Combustible Solids