Name: Selenium dioxide (Sublimed) |
Grade: Laboratory |
Application: Synthesis, Redox |
Synonyms: Selenium oxide |
CAS Number: 7446-08-4 EC Number: 034-002-00-8 Molar Mass: 110.96 g/mol Chemical Formula: SeO2 |
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سنتز و واکنشهای شیمیایی، نمک ها
Categories: Laboratory en, New products, Oxidation Reduction, S, salts, synthesis and chemical reactions
- General information
- Specification
- Ordering code
- Hazard symbol
General information
General information
Chemical formula: SeO2 | Molar Mass: 110.96 g/mol |
Appearance: Almost white powder | Density: 3.95 g/cm3 |
Solub. in water: 384 g/l (14 °C) | Vapor pressure: 16hPa (70°C) |
Bulk density: 1500 kg/m3 | pH value: 2 (20 °C) |
Storage temp.: +15°C to +25°C | Cautions: toxic, dangerous for the environment |
R: 23/25-33-50/53 | S: 20/21-28-45-60-61 |
HS-No.: 2811 29 90 | EC index number: 034-002-00-8 |
Specification
Specification
Description | Conforms | ||
Solubility | Conforms | ||
Assay | ≥ | 98.0 | % |
Chloride (Cl) | ≤ | 0.05 | % |
Sulfate (SO4) | ≤ | 0.005 | % |
Iron (Fe) | ≤ | 0.005 | % |
Ordering code
Ordering code
Ordering code | 10 g | 25 g | 50 g | 100 g | 250g |
P.E. | |||||
Glass | 551.05.00050.01 |
Hazard symbol
Hazard symbol
Hazard Symbol |
محصولات مرتبط
Name: Di-Sodium tetraborate decahydrate |
Grade: Extra pure |
Application: Synthesis, pH adjustment |
Synonyms: Borax, Sodium biborate decahydrate, Sodium borate decahydrate |
CAS Number: 1303-96-4 EC Number: 005-011-01-1 Molar Mass: 381.37 g/mol Chemical Formula: Na2B4O7.10H2O |
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نمکها، تنظیم pH، سنتز
Name: Sodium hypochlorite solution |
Grade: Cleaning agent |
Application: Disinfection |
Synonyms: Bleach, Antiformin, Carrel-Dakin solution |
CAS Number: 7681-52-9 EC Number: 231-668-3 Molar Mass: 122.12 g/mol Chemical Formula: NaClO |
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ضد عفونی و گندزدایی – نمک ها – ضد عفونی کننده ها و گندزداها – اکسنده و کاهنده
Name: Edetate Disodium |
Grade: Extra pure |
Application: Synthesis, Titration |
Synonyms: Disodium ethylenediaminetetraacetate dihydrate |
CAS Number: 6381-92-6 EC Number: 205-358-3 Molar Mass: 372.24 g/mol Chemical Formula: C10H14N2Na2O8 . 2H2O Hill Formula: C10H14N2Na2O8 . 2H2O |
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نمکها، تیتراسیون، سنتز