S6139
无水碳酸钠
ACS reagent, ≥99.5% dry basis
别名:
碳酸二钠盐, 纯碱, 苏打灰：
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线性分子式:
Na2CO3
化学文摘社编号:
分子量:
105.99
EC Number:
207-838-8
UNSPSC Code:
12352300
MDL number:
Beilstein/REAXYS Number:
4154566
InChI
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI key
CDBYLPFSWZWCQE-UHFFFAOYSA-L
SMILES string
O=C(O[Na])O[Na]
grade
ACS reagent
assay
≥99.5% dry basis
impurities
≤0.001% Nitrogen compounds (as N), ≤0.005% Silica (SiO2), ≤0.01% Ammonium hydroxide precipitate, ≤0.01% Insoluble matter
loss
≤1.0% loss on heating, 285°C
mp
851 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfur compounds (as SO42-): ≤0.003%
cation traces
Ca: ≤0.03%, Ca and Mg precipitate: ≤0.01%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.005%, heavy metals (as Pb): ≤5 ppm
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Biochem/physiol Actions
缓冲液成分，可用于去除外周膜蛋白。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
法规信息
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