221716
ACS reagent
<0.1 hPa ( 20 °C)
≥99%
99.0-101.0% (ACS specification)
crystalline powder
crystals or granules
≤0.005% insolubles
≤0.02%
6-7 (25 °C, 14.2 g/L)
133 °C (dec.) (lit.)
chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.002%
Fe: ≤2 ppm
heavy metals: ≤5 ppm (by ICP)
OC(C(O)=O)=O.N.O.N
1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2
MSMNVXKYCPHLLN-UHFFFAOYSA-N
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This Item | 379743 | 09898 | 32304 |
---|---|---|---|
grade ACS reagent | grade - | grade - | grade ACS reagent, puriss. p.a. |
vapor pressure <0.1 hPa ( 20 °C) | vapor pressure - | vapor pressure - | vapor pressure <0.1 hPa ( 20 °C) |
assay ≥99%, 99.0-101.0% (ACS specification) | assay ≥99.99% trace metals basis | assay ≥99.5% (RT) | assay 99.5-101.0% |
form crystalline powder, crystals or granules | form powder | form - | form crystalline |
impurities ≤0.005% insolubles | impurities ≤100.0 ppm Trace Metal Analysis | impurities insoluble matter, passes filter test | impurities ≤0.005% in water insoluble matters |
pH 6-7 (25 °C, 14.2 g/L) | pH - | pH 6.0-7.0 (25 °C, 0.1 M in H2O) | pH 6-7 (20 °C, 2.5%) |
Warning
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2
13 - Non Combustible Solids
WGK 1
Not applicable
Not applicable
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