13418-M
无水碳酸钠
puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)
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
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
207-838-8
Beilstein/REAXYS Number:
4154566
MDL number:
Assay:
99.5-100.5% (calc. to the dried substance)
Form:
powder
InChI key
CDBYLPFSWZWCQE-UHFFFAOYSA-L
InChI
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
SMILES string
O=C(O[Na])O[Na]
grade
puriss.
assay
99.5-100.5% (calc. to the dried substance)
form
powder
quality
meets analytical specification of Ph. Eur., BP, NF, FCC, E500
impurities
alkali hydroxides and bicarbonates, complies, residual solvents, complies, ≤5 ppm heavy metals (as Pb)
loss
≤0.5% loss on drying, 300 °C, <0.5% loss on drying, 105°C, 4hrs
pH
12 (25 °C, 106 g/L)
mp
851 °C (lit.)
anion traces
chloride (Cl-): ≤100 ppm, sulfate (SO42-): ≤50 ppm
cation traces
As: ≤0.0002%, Cu: ≤0.002%, Fe: ≤0.001%, Hg: ≤0.0001%, Pb: ≤0.0002%, Zn: ≤0.002%
suitability
complies for appearance of solution
Quality Level
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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
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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