vapor pressure
<0.1 hPa ( 20 °C)
assay
98.5-101.0%
form
crystals
impurities
≤0.001% Iron (Fe), ≤0.002% Ammonium (NH4), ≤0.002% Chloride (Cl), ≤0.002% Heavy metals (as Pb), ≤0.01% Insoluble matter, ≤0.01% Sulfate (SO4), ≤0.02% Sodium (Na)
color
white
pH
7.0-8.5 (20 °C, 50 g/L in H2O)
mp
>138 °C (decomposes before melting)
solubility
392 g/L (anhydrous substance)
storage temp.
room temp
Quality Level
Application
Meets ACS Specifications GR ACS
Analysis Note
Ammonium (NH4):0.002% max
Assay:98.5-101.0%
Chloride (Cl):0.002% max
Color:White
Form:Crystals
Heavy metals (as Pb):0.002% max
Insoluble matter:0.01% max
Iron (Fe):0.001% max
Neutrality:To pass test
Sodium (Na):0.02% max
Substances darkened by hot sulfuric acid:To pass test
Sulfate (SO4):0.01% max
Assay:98.5-101.0%
Chloride (Cl):0.002% max
Color:White
Form:Crystals
Heavy metals (as Pb):0.002% max
Insoluble matter:0.01% max
Iron (Fe):0.001% max
Neutrality:To pass test
Sodium (Na):0.02% max
Substances darkened by hot sulfuric acid:To pass test
Sulfate (SO4):0.01% max
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 1
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