High Purity Fine Magnesium Hydroxide Powder CAS 1309-42-8

• CAS No.: 1309-48-4
• Formula: MGO
• EINECS: 215-171-9
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: yanxi-03
• Colour: White
• Psa: 17.07000
• Logp: -0.11880
• Melting Point: 2852 °c (Lit.)
• Boiling Point: 3600 °c
• Storage Condition: No Restrictions.
• Density: 3.58
• Refractive Index: 1.736
• Flash(Ing) Point: 3600°c
• Transport Package: Bag
• Specification: 25kg/drum
• Trademark: YANXI
• Origin: China
• HS Code: 29143990
• Production Capacity: 20metric Ton/Month

Product Description

Product Description

1. Chemical Name:  Magnesium oxide
2. Molecular Formula:  MgO
3. Molecular Weight:  40.30
4. CAS:  1309-48-4
5. EINECS:  215-171-9
6. Expiration: 24 months (used within the period of validity)
7. Character: It is white powder, soluble in dilute acids, practically insoluble in water, and insoluble in alcohol.
8. Usages: pH control; neutralizer; anti-caking agent; freeflowing agent; firming agent.
9. Product parameter

Test item	Standard
Identification	Passes test
Assay(MgO), after ignition                %	96.0-100.5
Acid insoluble substances                   ≤%	0.1
Alkalies (Free) and Soluble salts	Passes test
As                                                   ≤mg/kg	3.0
Calcium oxide                                ≤%	1.5
Lead(Pb)                                                       ≤mg/kg	4.0
Loss on ignition                                          ≤%	10.0

Application:

 It is excellent as a highly safe flame retardant, it can be compounded to high concentrations in EVA, EEA, PE, PP, EPDM, ect. It improves arc and tracking resistance, improves polypropylene's M.F.1,flexural modulus and impact strength, prevents corrosion of molding machines and mold dies. Heat capacity of endothermic decomposition per unit of weight is higher than ATH. It is superior to ATH in improving electrical properties and resistance to thermal aging(volume resistivity, dielectric constant, dielectric loss tangent of compounds). It has synergistic effects with red phosphorus. 

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