Documents
1.06336
Sodium dichromate dihydrate
for analysis EMSURE® ACS
Recommended Products
grade
ACS reagent
Quality Level
product line
EMSURE®
Assay
99.5-100.5% (iodometric)
form
solid
potency
50 mg/kg LD50, oral (Rat)
1000 mg/kg LD50, skin (Rabbit)
impurities
≤0.005% Insoluble matter
pH
3.5 (20 °C, 100 g/L in H2O)
bp
400 °C/1013 hPa (decomposition)
mp
356.7 °C (anhydrous substance)
density
2.35 g/cm3 at 20 °C
bulk density
1200 kg/m3
anion traces
chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.01%
cation traces
Al: ≤0.002%
Ca: ≤0.002%
Cu: ≤0.001%
Fe: ≤0.002%
K: ≤0.01%
Mg: ≤0.005%
Pb: ≤0.002%
storage temp.
2-30°C
InChI
1S/2Cr.2Na.2H2O.7O/h;;;;2*1H2;;;;;;;/q;;2*+1;;;;;;;;2*-1
InChI key
JYDRNIYTFCBIFC-UHFFFAOYSA-N
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This Item | 398063 | 1.04864 | 1.04865 |
|---|---|---|---|
| assay 99.5-100.5% (iodometric) | assay ≥99.5% | assay ≥99.9% dry basis (iodometric) | assay ≥99.9% (iodometric) |
| form solid | form crystals | form crystalline | form crystalline |
| impurities ≤0.005% Insoluble matter | impurities ≤0.005% NH4OH ppt., ≤0.005% insolubles | impurities ≤0.005% Insoluble matter | impurities ≤0.005% Insoluble matter |
| pH 3.5 (20 °C, 100 g/L in H2O) | pH 3.5 (20 °C, 100 g/L) | pH 3.6 (100 g/L in H2O) | pH 3.6 (100 g/L in H2O) |
| mp 356.7 °C (anhydrous substance) | mp 91 °C (lit.) | mp 398 °C | mp 398 °C |
Analysis Note
Identity: passes test
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.01 %
Al (Aluminium): ≤ 0.002 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.002 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.005 %
Pb (Lead): ≤ 0.002 %
Legal Information
Signal Word
Danger
Precautionary Statements
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation
Storage Class Code
5.1B - Oxidizing hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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