• Zinc oxide

  • Grade: ACS,Reag. Ph Eur ; Hill Formula: CH₄N₂O ; Chemical formula: CO(NH₂)₂ ; Molar Mass: 60.06 g/mol ; Code:1088490500
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Physicochemical Information

Density

5.61 g/cm3 (20 °C)

Melting Point

1975 °C

pH value

7 (50 g/l, HO, 20 °C) (slurry)

Bulk density

200 - 700 kg/m3

Solubility

0.0016 g/l insoluble

Toxicological Information

LD 50 oral

LD50 Rat > 5000 mg/kg

Safety Information according to GHS

Hazard Pictogram(s)

Hazard Statement(s)

H410: Very toxic to aquatic life with long lasting effects.

Precautionary Statement(s)

P273: Avoid release to the environment.

Signal Word

Warning

RTECS

ZH4810000

Storage class

10 - 13 Other liquids and solids

WGK

WGK 2 obviously hazardous to water

Disposal

14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Safety Information

Hazard Symbols

Dangerous for the environment

Categories of danger

dangerous for the environment

R Phrase

R 50/53
Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

S Phrase

S 60-61
This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.

Storage and Shipping Information

Storage

Store at +5°C to +30°C.

Transport Information

Declaration (railroad and road) ADR, RID

UN 3077 , 9, III

Declaration (transport by air) IATA-DGR

UN 3077 , 9, III

Declaration (transport by sea) IMDG-Code

UN 3077 , 9, III, Marine Pollutant: P, Segregation Group: 7 (Heavy metals and their salts (including their organometallic compounds))

Specifications

Assay (complexometric, ZnO calculated on ignited substance)

99.0 - 100.5 %

Assay (complexometric, ZnO)

≥ 99.0 %

Identity

passes test

Carbonate and color of solution

passes test

Substances insoluble in diluted sulfuric acid

≤ 0.01 %

Free Alkali

passes test

Chloride (Cl)

≤ 0.001 %

Nitrate (NO)

≤ 0.003 %

Sulfur compounds (as SO)

≤ 0.01 %

Total nitrogen (N)

≤ 0.0005 %

As (Arsenic)

≤ 0.0001 %

Ca (Calcium)

≤ 0.001 %

Cd (Cadmium)

≤ 0.0005 %

Cu (Copper)

≤ 0.0005 %

Fe (Iron)

≤ 0.0005 %

K (Potassium)

≤ 0.01 %

Mg (Magnesium)

≤ 0.005 %

Mn (Manganese)

≤ 0.0005 %

Na (Sodium)

≤ 0.001 %

Pb (Lead)

≤ 0.002 %

Substances reducing potassium permanganate (as O)

≤ 0.001 %

Loss on ignition (500 °C)

≤ 1.0 %

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