SX0593
Sodium hydroxide
pellets, low in carbonate, Meets ACS Specifications GR ACS
别名:
‘苛性钠’
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关于此项目
线性分子式:
NaOH
化学文摘社编号:
分子量:
40.00
UNSPSC Code:
12352305
EC Index Number:
215-185-5
MDL number:
Assay:
≥97% NaOH basis
Form:
pellets
Grade:
ACS reagent
产品名称
氢氧化钠, low in carbonate, Meets ACS Specifications GR ACS
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
grade
ACS reagent
vapor density
>1 (vs air)
vapor pressure
<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)
assay
≥97% NaOH basis
form
pellets
technique(s)
electrophoresis: suitable
impurities
≤0.001% Nitrogen compounds (as N), ≤0.5% Sodium carbonate
pH
>14 (20 °C, 100 g/L in H2O)
mp
318 °C (lit.)
solubility
1090 g/L
density
2.13 g/cm3 at 20 °C
anion traces
chloride (Cl-): ≤0.005%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.003%
cation traces
Ca: ≤0.005%, Fe: ≤0.001%, Hg: ≤0.1 ppm, K: ≤0.02%, Mg: ≤0.002%, Ni: ≤0.001%, heavy metals (as Ag): ≤0.002%
shipped in
ambient
storage temp.
room temp
Quality Level
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Analysis Note
Assay (NaOH): 97.0% min
Calcium (Ca): 0.005% max
Chloride (Cl): 0.005% max
Heavy metals (as Ag): 0.002% max
Iron (Fe): 0.001% max
Magnesium (Mg): 0.002% max
Mercury (Hg): 0.1ppm max
Nickel (Ni): 0.001% max
Nitrogen compounds (as N): 0.001% max
Phosphate (PO4): 0.001% max
Potassium (K): 0.02% max
Sodium carbonate: 0.5% max
Sulfate (SO4): 0.003% max
Calcium (Ca): 0.005% max
Chloride (Cl): 0.005% max
Heavy metals (as Ag): 0.002% max
Iron (Fe): 0.001% max
Magnesium (Mg): 0.002% max
Mercury (Hg): 0.1ppm max
Nickel (Ni): 0.001% max
Nitrogen compounds (as N): 0.001% max
Phosphate (PO4): 0.001% max
Potassium (K): 0.02% max
Sodium carbonate: 0.5% max
Sulfate (SO4): 0.003% max
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
存储类别
8B - Non-combustible corrosive hazardous materials
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