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Home > Inorganic Chemistry > Oxides and Peroxides > Selenium dioxide for Sale > Selenium dioxide CAS NO.: 7446-08-4 99% Dideu-1-73875 Dideu
Selenium dioxide CAS NO.: 7446-08-4 99%  Dideu-1-73875 Dideu buy - large image1
Selenium dioxide CAS NO.: 7446-08-4 99%  Dideu-1-73875 Dideu buy - image1

Selenium dioxide CAS NO.: 7446-08-4 99% Dideu-1-73875 Dideu

6 Inquiries

Unit Price: Get Latest Price
CAS No.:

7446-08-4

Grade:

Industrial Grade

Content:

99%

Brand:

Dideu

Packaging:

25kg/Cardboard Drum

Price valid (until):

2022-12-31

Company Type:
Manufactory
Location:
China
Qualification:
Main Products:

Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

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    Our Reference Specification, for more details, pls contact us for COA,MSDS and certification:
    Email & Skype: 1058@dideu.com Telephone:+86-29-89586680
    Mobile&Wechat&Whatsapp: +8618192503167

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    ItemsStandard
    Test Results

    Identification

    A.H-NMR:Comply with the structureComplies
    B.LC-MS:Comply with the structure
    Complies
    C.The IR spectrum of sample should be identical with that of reference standard.
    Complies
    D.HPLC-ESI-MS
    The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
    Complies
    Loss on drying %≤2.0
    0.19
    Heavy metals ppm≤10 
    <10
    Moisture %≤1.0
    0.1
    Sulphated ash %≤0.5 determined on 1.0 g.
    0.009
    Residue on ignition %≤0.1
    0.03

    Related Substances %

    Unspecified impurities: for each impurity≤0.10<0.10
    Total Impurity≤0.50.18
    Purity %≥99.0
    99.7
    Assay %99.0 ~101.0 (anhydrous substance).
    99.8
    StoragePreserve in well-closed, light-resistant and airtight containers.
    Complies


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    Our normal packaging is 25kgs/Drum
    The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.

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    a) Free sample can be supplied.
    b) Guide our clients by professional knowledge and teach them how to use our product after sales.
    c) Accept SGS,BV any other third-party inspection before loading.
    d) High quality best price Guaranteed.


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    Why do you choose Dideu Industries as your partner?


    A) High quality can be guaranteed. Dideu Industries since 1975 are reputed chemical manufacturer and are Certified by ISO 9001;2015 and have GMP certification.Free sample can be arranged before shipment and SGS,BV and other third party inspection company are accepted before loading.For regular customers, we accept L/C 180 Days, D/P,D/A payment term. If there is any quality problem after goods arrive. Dideu Industries will do fully payment refund.


    B) Best price can be guaranteed. As Dideu Industries are integrated pharmaceuticals and chemicals producer, the production cost can be controlled and price will be definitely more competitive than China trading companies.


    C) Professional enginners from Dideu Industries will give professional usage guide and services after sales.


    D)Dideu Industries work 7×24 hours and your request will be processed by our professional staff in different shift period.


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    Dideu Industries is one of the largest producer for general chemical, pharmaceutical, nutrition additive, natural extracts, agrochemical and Daily-Use Chemical in China and is headquartered in Shaanxi, China. The Dideu Group comprises subsidiaries and joint ventures in more than 10 countries and operates six integrated production sites and 21 other production sites in Europe, Asia, Australia, Americas and Africa.Its headquarters is located in Xi’An,China. Dideu has customers in over 200 countries and supplies products to a wide variety of industries.


    At the end of 2014, the company employed more than 13000 people. In 2014, Group Dideu posted sales of 30 billion and income from operations before special items of about 7.5 billion. The company is currently expanding its international activities with a particular focus on Asia countries. Between 1990 and 2005, the company invested 5.2 billion in Asia, for example in sites near Guangxi,Yunnan, Sichuan, Shaanxi China,Mangalore in India,Bangkok, Thailand,Hanoi, Vietnam etc.


    Dideu Industries Consist Of Five Industry Chains:

    I)Pharmaceutical Industries
    II)Nutrition Additive Industries
    III)Daily-Use Chemical Products Industries & Agrochemicals
    IV)Environmental Friendly Chemical And Chemurgy Industries
    V)Petrochemical Industries
    VI)General Chemical Industry


    At Dideu, we redefine chemistry to make the world better - and have been doing so for 75 years. As one of the world's leading chemical company, we combine economic success with environmental protection and social responsibility.Through science and innovation we enable our customers in nearly every industry to meet the current and future needs of society.


    At Dideu, we create chemistry for a sustainable future with science for a better life.Dideu is a Life Science company with a long and glorious history and core competencies in the areas of health care and agriculture. With our innovative products, we are contributing to finding solutions to some of the major challenges of our time. The growing and increasingly aging world population requires improved medical care and an adequate supply of food. Dideu is improving people's quality of life by preventing, alleviating and treating diseases. And we are helping to provide a reliable supply of high quality food, feed and plant based raw materials.We develop new molecules for use in innovative products and solutions to improve health. Our research and development activities are based on a profound understanding of the biochemical processes in living organisms.Our goal is to achieve and sustain leadership positions in our markets, thus creating value for our customers, stockholders and employees. To this end, our strategy is designed to help solve some of the most pressing challenges facing humankind, and by doing this exceptionally well we aim to strengthen the company's earning power.


    We are committed to operating sustainably and addressing our social and ethical responsibilities as a corporate citizen, while at the same time respecting the interests of all our stakeholders. Employees with a passion for innovation enjoy excellent development opportunities at Dideu.Exclusive Focus on the Life Science BusinessesFollowing the economic and legal independence of our former Material Science subgroup.Dideu has charted the course for its successful development as a Life Science company. Our Life Science businesses hold leading positions in innovation driven growth markets. Together they make up a strong, attractive and balanced portfolio that is resistant to fluctuations in demand and to potential risks.The previous structure comprising a strategic management holding company and operational subgroups has thus been replaced by an integrated organization under the umbrella of the strong Dideu brand. The company's operations are managed in three divisions Pharmaceuticals, Consumer Health and Crop Science and the Animal Health business unit.The business continues to be supported by the corporate functions, Dideu Business Services and the service company Currenta, while Technology Services is being integrated into Dideu Group, forming the Engineering and Technology function.

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    Basic Info
    Product Name:

    Selenium dioxide

    Other Name:

    Selenium oxide (SeO2);NSC 56753;Selenium(IV) oxide;Selenium dioxide;12397-00-1

    CAS No.:

    7446-08-4

    Molecular Formula:

    O2Se

    InChIKeys:

    InChIKey=JPJALAQPGMAKDF-UHFFFAOYSA-N

    Molecular Weight:

    110.96

    Exact Mass:

    110.96

    EC Number:

    231-957-4

    UNII:

    9N3UK29E57

    ICSC Number:

    0946

    NSC Number:

    56753

    UN Number:

    3283|2811

    DSSTox ID:

    DTXSID4021264

    Color/Form:

    Lustrous tetragonal needles; yellowish green vapor|White or yellowish-white to slightly reddish, lustrous, crystalline powder or needles.

    HScode:

    2811290090

    Categories:

    Oxides and Peroxides

    Characteristics
    PSA:

    34.1

    XLogP3:

    -0.61840

    Appearance:

    white powder

    Density:

    3.954 g/cm3 @ Temp: 15 °C

    Melting Point:

    340 °C

    Boiling Point:

    684.9 °C(lit.)

    Flash Point:

    315°C

    Refractive Index:

    Index of refraction: less than 1.76 at 20 °C/D

    Water Solubility:

    H2O: 38.4 g/100 mL (14 ºC)

    Storage Conditions:

    Store below +30°C.

    Vapor Pressure:

    1 mm Hg ( 157 °C)

    Toxicity:

    Oral-rat LD50: 68.1 mg/kg; Oral-Mouse LC50: 23.3 mg/kg

    Flammability characteristics:

    Non-combustible; produces toxic selenide fumes in the fire

    Odor:

    Vapor has a pungent sour smell

    Taste:

    Acidic taste; leaves a burning sensation.

    Experimental Properties:

    Dipole moment: 2.62 debye|Dissolves in water to form selenious acid|Electron affinity: 1.823 eV|Heat of formation: at 25 °C -238.5 kJ/mol|For more Other Experimental Properties (Complete) data for SELENIUM DIOXIDE (13 total), please visit the HSDB record page.

    Air and Water Reactions:

    In presence of water will corrode most metals (USCG, 1999). Readily soluble in water forming selenious (selenous) acid.

    Reactive Group:

    Oxidizing Agents, Strong

    Reactivity Alerts:

    Strong Oxidizing Agent

    Reactivity Profile:

    Inorganic oxidizing agents, such as SELENIUM DIOXIDE, react with reducing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. SELENIUM DIOXIDE reacts with water, particularly hot water, to give selenious (selenous) acid, a weak acid that is corrosive. Stable to light and heat. Rapidly absorbs dry hydrogen fluoride, hydrogen chloride, hydrogen bromide to form the corresponding selenium oxohalide. A good oxidizing agent. Reacts oxidatively with ammonia to form dinitrogen gas and selenium [Merck]. Oxidizes many organic substances.

    Corrosivity:

    In presence of water will corrode most metals|... Soluble in water forming selenic acid, a corrosive material. ...

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Skin corrosion, Sub-category 1B

    Serious eye damage, Category 1

    Acute toxicity - Category 2, Inhalation

    Specific target organ toxicity – repeated exposure, Category 2

    Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    H314 Causes severe skin burns and eye damage

    H330 Fatal 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)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P271 Use only outdoors or in a well-ventilated area.

    P284 [In case of inadequate ventilation] wear respiratory protection.

    P273 Avoid release to the environment.

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P330 Rinse mouth.

    P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

    P363 Wash contaminated clothing before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P316 Get emergency medical help immediately.

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P317 Get medical help.

    P320 Specific treatment is urgent (see ... on this label).

    P319 Get medical help if you feel unwell.

    P391 Collect spillage.

    Storage

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Separated from food and feedstuffs. Dry.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

    Location:

    https://www.dideu.com/en/

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    7

    Total Annual Revenue:

    Above $100 million

    Total Employees:

    Above 1000

    Year of Establishment:

    2016

    Certifications:

    ISO Certificate,REACH

    Company Profile
  • Inquiry History
    6 Inquiries
    Country Product Purchase Quantity Date Posted
    Morocco

    Selenium Dioxide

    2 KG Aug 15, 2023
    United States

    Selenium Dioxide

    Jul 29, 2025
    Pakistan

    Selenium Dioxide

    25 G Jul 26, 2024
    Russia

    Selenium dioxide

    25 KG Dec 25, 2023
    India

    Selenium dioxide

    500.00 KG Jun 22, 2026
    Czech

    Selenium dioxide powder 99.9%

    25 KG Feb 18, 2024
    Post an enquiry for this product
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