12602
碳酸氢钾
puriss., meets analytical specification of Ph. Eur., BP, USP, E501, 99.5-101.0% (acidimetric)
别名:
碳酸氢钾
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关于此项目
线性分子式:
KHCO3
化学文摘社编号:
分子量:
100.12
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
206-059-0
Beilstein/REAXYS Number:
4535309
MDL number:
Assay:
99.5-101.0% (acidimetric)
Form:
powder or crystals
Solubility:
water: soluble(lit.)
InChI key
TYJJADVDDVDEDZ-UHFFFAOYSA-M
InChI
1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
SMILES string
[K+].OC([O-])=O
grade
puriss.
assay
99.5-101.0% (acidimetric)
form
powder or crystals
quality
meets analytical specification of Ph. Eur., BP, USP, E501
impurities
organic volatile impurities, complies (GC), ≤0.0005% heavy metals (as Pb), ≤0.002% ammonium (NH4)
loss
≤0.1% loss on drying, 4 h (on silica gel)
pH
8.0-8.6 (20 °C, 5%)
solubility
water: soluble(lit.)
anion traces
carbonate (K2CO3): ≤2.5%, chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤1 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg, Na: ≤300 mg/kg, Pb: ≤5 mg/kg
suitability
complies for appearance of solution
Quality Level
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General description
Potassium bicarbonate (Potassium hydrogen carbonate) is an inexpensive, nontoxic base. It is used to regulate pH or as a reagent.
Application
Potassium bicarbonate is used:
- In the synthesis of cyclic ammonium cation N,N-dimethyl-3,5-dimethylpiperidinium (DMDMP).
- As a base in the preparation of glycerol carbonate and glycidol from 3-chloro-1,2-propanediol (HAL).
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
Relation between phosphate energy donors and incorporation of labeled amino acids into proteins.
P C ZAMECNIK et al.
The Journal of biological chemistry, 209(1), 337-354 (1954-07-01)
Bess Dawson-Hughes et al.
The Journal of clinical endocrinology and metabolism, 94(1), 96-102 (2008-10-23)
Bicarbonate has been implicated in bone health in older subjects on acid-producing diets in short-term studies. The objective of this study was to determine the effects of potassium bicarbonate and its components on changes in bone resorption and calcium excretion
Judith Buehlmeier et al.
The Journal of clinical endocrinology and metabolism, 97(12), 4789-4797 (2012-10-03)
High sodium chloride (NaCl) intake can induce low-grade metabolic acidosis (LGMA) and may thus influence bone and protein metabolism. We hypothesized that oral potassium bicarbonate (KHCO(3)) supplementation may compensate for NaCl-induced, LGMA-associated bone resorption and protein losses. Eight healthy male
Feng J He et al.
Hypertension (Dallas, Tex. : 1979), 55(3), 681-688 (2010-01-20)
To determine the effects of potassium supplementation on endothelial function, cardiovascular risk factors, and bone turnover and to compare potassium chloride with potassium bicarbonate, we carried out a 12-week randomized, double-blind, placebo-controlled crossover trial in 42 individuals with untreated mildly
Katrin Winkel et al.
Journal of the American Chemical Society, 129(45), 13863-13871 (2007-10-20)
Layers of glassy methanolic (aqueous) solutions of KHCO3 and HCl were deposited sequentially at 78 K on a CsI window, and their reaction on heating in vacuo in steps from 78 to 230 K was followed by Fourier transform infrared
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