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  • Boric acid
    Identifiers
    CAS number 10043-35-3 
    PubChem 7628
    ChemSpider 7346 
    UNII R57ZHV85D4 
    EC number 233-139-2
    KEGG D01089 
    ChEMBL CHEMBL42403 
  • Properties

  • Molecular formula H3BO3
    Molar mass 61.83 g mol−1
    Appearance White crystalline solid
    Density 1.435 g/cm3
    Melting point

    170.9 ¡ãC, 444 K, 340 ¡ãF

    Boiling point

    300 ¡ãC, 573 K, 572 ¡ãF

    Solubility in water 2.52 g/100 mL (0 ¡ãC)
    4.72 g/100 mL (20 ¡ãC)
    5.7 g/100 mL (25¡ãC)
    19.10 g/100 mL (80 ¡ãC)
    27.53 g/100 mL (100 ¡ãC)
    Solubility in other solvents Soluble in lower alcohols
    moderately soluble in pyridine
    very slightly soluble in acetone
    Acidity (pKa) 9.24 (see text)
    Structure
    Molecular shape Trigonal planar
    Dipole moment Zero
    Hazards
    MSDS External MSDS
    EU classification Harmful (Xn)
    Repr. Cat. 2
    R-phrases R60 R61
    S-phrases S53 S45
    NFPA 704
    NFPA 704.svg
    0
    1
    0
    Flash point Non-flammable.
    LD50 2660 mg/kg, oral (rat)
    Related compounds
    Related compounds Boron trioxide
    Borax
    Supplementary data page
    Structure and
    properties
    n, ¦År, etc.
    Thermodynamic
    data
    Phase behaviour
    Solid, liquid, gas
    Spectral data UV, IR, NMR, MS
     Packing:25kg in bag
     www.chinagerun.com

  • Company Information

    Tianjin Chengmai Import and Export Trading Co, Ltd is located in Tianjin city, China, near to Xin port. The main products include electrolytic copper, copper wire, copper rod, aluminum ingot, aluminum alloy bar, aluminum alloy ingot, lead ingot, tin ingot, zinc ingot, zinc alloy and rubber products. After years of research on the global market, we have established stable cooperation relationship with a lot of countries. Tianjin Chengmai owns workshops with annual production capacity of more than 100000 tons, the products have obtained ISO9002 quality system certification and CCC certification. The professional working team always provide customers excellent service.
    Our Services

    FAQ

    Q: Can I get product's sample before I sign the contract?
    A: For samples, 0.5 KG is available for quality check and market test, delivery time within 3 working days.

    Q:What is your terms of delivery?
    A:We accept FOB, CFR, CIF, etc. You can choose the most convenient way for you.

    Q: What about your payment term?
    A: Usually T/T 30% deposit and 70% against copy of bl or T/T 40% deposit and 60% L/C.

    Q: What about your delivery date in normal conditions?
    A: We send the cargo within 5 working days after receiving deposit, and usually within 50 days arrives to your appointment port.

    Q: what is your ability?
    A: For waste copper wire, annual output is 30000 tons. The annual output of aluminum ingot is 80000 tons. The annual output of zinc ingot is about 50000 tons.

    Q: how is your product packaging?
    A: usually according to the customer's requirements. Commonly used packaging information: small bundle, large bulk packaging, some sizes with plastic cover to protect both ends, seaworthy packaging.

    Q: what are your main markets and customers?
    A: we are an export company specializing in production and processing, capable of production and international trade. For all
    customers who are looking for high quality products all over the world.

    Q: if there is a quality problem with the product, what will you do?
    A: we will be responsible for all quality problems to the end.

    Q: how can I get an accurate price / quotation from you?
    A: please tell us your product demand and the product you are looking for. We will send you the the most cheap quotation as soon as possible.

    Dodecyl Benzene Sulfonate | sulfamic acid

     
     
     
    ABOUT US
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