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)
Constance Alabert et al.
Cell reports, 30(4), 1223-1234 (2020-01-30)
Chromatin states must be maintained during cell proliferation to uphold cellular identity and genome integrity. Inheritance of histone modifications is central in this process. However, the histone modification landscape is challenged by incorporation of new unmodified histones during each cell
Daniel L Belavý et al.
Journal of applied physiology (Bethesda, Md. : 1985), 111(5), 1304-1314 (2011-07-30)
As part of the nutrition-countermeasures (NUC) study in Cologne, Germany in 2010, seven healthy male subjects underwent 21 days of head-down tilt bed rest and returned 153 days later to undergo a second bout of 21-day bed rest. As part
Lisa Ceglia et al.
The Journal of clinical endocrinology and metabolism, 94(2), 645-653 (2008-12-04)
Protein is an essential component of muscle and bone. However, the acidic byproducts of protein metabolism may have a negative impact on the musculoskeletal system, particularly in older individuals with declining renal function. We sought to determine whether adding an
Fj Wegehaupt et al.
Oral diseases, 17(5), 508-514 (2011-02-22)
The aim of this study was to evaluate the erosive/abrasive enamel wear after contact with orange juices modified with different dietary supplements. A total of 96 bovine enamel samples were prepared and allocated to eight groups (1-8; n = 12).
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