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در محل فروشنده،
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دی اکسید سلنیوم کد 800653 مرک Selenium dioxide 800653 Merck
سفارش آنلاین
ضمانت سلامت فیزیکی
ضمانت اصالت کالامحصولات مشابه
ویژگی ها
درجه استاندارد:
درجه شناساگر شیمیایی
نام تجاری:
Selenium dioxide
نام های دیگر:
Selenious anhydride, Selenium(IV) oxide
ظاهر:
پودر
خلوص:
99+
شماره مدل:
800653
نوع:
-
توضیحات
دی اکسید سلنیوم کد 800653 مرک
Selenium dioxide 800653 Merck
| CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass |
|---|---|---|---|---|
| 7446-08-4 | 231-194-7 | O₂Se | SeO₂ | 110.96 g/mol |
Pricing & Availability
| Catalogue Number | Availability | Packaging | Qty/Pack | Price | Quantity | |
|---|---|---|---|---|---|---|
| 8006530005 |
|
Glass bottle | 5 g |
|
|
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|
| 8006530050 |
|
Glass bottle | 50 g |
|
|
Add To Favorites
|
| 8006530250 |
|
Glass bottle | 250 g |
|
|
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|
| 8006531000 |
|
Glass bottle | 1 kg |
|
|
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|
| Description | |
|---|---|
| Catalogue Number | 800653 |
| Synonyms | Selenious anhydride, Selenium(IV) oxide |
| Product Information | |
|---|---|
| CAS number | 7446-08-4 |
| EC index number | 034-002-00-8 |
| EC number | 231-194-7 |
| Hill Formula | O₂Se |
| Chemical formula | SeO₂ |
| Molar Mass | 110.96 g/mol |
| HS Code | 2811 29 90 |
| Quality Level | MQ200 |
| Physicochemical Information | |
|---|---|
| Density | 3.95 g/cm3 (20 °C) |
| Melting Point | 340 °C |
| pH value | 2 (10 g/l, H₂O, 20 °C) |
| Vapor pressure | <1 Pa (20 °C) |
| Solubility | 1353 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 68.1 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |    |
| Hazard Statement(s) | H301 + H331: Toxic if swallowed or if inhaled. H373: May cause damage to organs through prolonged or repeated exposure. H410: Very toxic to aquatic life with long lasting effects. |
| Precautionary Statement(s) | P273: Avoid release to the environment. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P314: Get medical advice/ attention if you feel unwell. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. |
| Signal Word | Danger |
| RTECS | VS8575000 |
| Storage class | 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects |
| WGK | WGK 2 obviously hazardous to water |
| Disposal | 17 Inorganic selenium compounds are toxic and must be handled with caution. Container E. Elemental selenium can be recovered by first oxidizing the salts in aqueous solution with concentrated Nitric acid (Cat.No. 100443). The addition of Sodium hydrogen sulfite solution (Item No. 806356) then causes elemental selenium to precipitate out. Aqueous phase: Container D. |
| Safety Information | |
|---|---|
| Hazard Symbols |  Dangerous for the environment Toxic |
| Categories of danger | toxic, dangerous for the environment |
| R Phrase | R 23/25-33-50/53 Toxic by inhalation and if swallowed.Danger of cumulative effects.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| S Phrase | S 20/21-28-45-60-61 When using do not eat, drink or smoke.After contact with skin, wash immediately with plenty of soap and water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).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 below +30°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | UN 3283 , 6.1, III |
| Declaration (transport by air) IATA-DGR | UN 3283 , 6.1, III |
| Declaration (transport by sea) IMDG-Code | UN 3283 , 6.1, III |
| Specifications | |
|---|---|
| Assay (gravimetrically) | ≥ 98.0 % |
فایل های مرتبط
فروشنده: کیان پرتو تجهیز
عضو تایید شده 
سابقه عضویت ویژه: 9 سال
استان: تهران
تلفن: 021-66577984, 021-66577909, 021-66577951
ماهیت:
تامین کنندگان دیگر این محصول
حمید عباسی
سعیده معظمی
علی موید
جواد موید
حسین صالحی وزیری
علیرضا صدیقیان
مجتبی هوشمندی منش
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