十水四硼酸钠

It is used in detergents, cosmetics, and enamel glazes. It is likewise employed to prepare buffer solutions in biochemistry, as a fire retardant, anti-fungal compound, in the manufacture of fiberglass, as a flux in metallurgy, neutron-capture shields for radioactive sources, a texturing agent in cooking, and as a harbinger for other boron compounds. The molten borax bath is useful for carbide coating process on metals. It is applied as an efficient metal-free catalyst for Hetero-Michael reactions in an aqueous medium.

100?° -5H{2}O, 150?° -9H{2}O, 320?° -10H{2}O. Incompatible with strong oxidizing agents and strong acids.

MFCD00149193

215-540-4

B₄Na₂O₇?10H₂O

381.37 (201.22anhy)

75°

1.73

Ambient temperatures.

Powder

Soluble in water, glycerol and ethanol. Insoluble in acids

14,8590

60-61
May impair fertility.May cause harm to the unborn child.

Maximum level of impurities: Insoluble matter 0.005%, Cl 0.001%, PO₄ 0.001%, SO₄ 0.005%, Ca 0.005%, Heavy Metals (as Pb) 0.001%, Fe 5ppm, pH of a 0.01M solution 9.15-9.20 at 25?

53-45
Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

VZ2275000

是

 

H360
May damage fertility or the unborn child.

P201-P280-P202-P308+P313-P405-P501a
Obtain special instructions before use.Wear protective gloves/protective clothing/eye protection/face protection.Do not handle until all safety precautions have been read and understood.IF exposed or concerned: Get medical advice/attention.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.