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NaBrO3 or BrNaO3
SODIUM BROMATE is a white crystalline solid. May explode under prolonged exposure to heat or fire. Used in chemical analysis.
It forms very flammable mixtures with combustible materials and this mixture may be explosive if the combustible material is very finely divided. The mixture can be ignited by friction. Prolonged exposure to fire or heat by the material may result in an explosion.
Chemical Formula-PbO
Molecular Weight-223.20
Color-Reddish or Yellow crystalline Powder
Gravity-9.5 – 9.7 microns
Melting Point-888 - 897oC
Synonyms-Lead Oxide, Lead Monoxide, Lead Litharge PbO
Potassium Bifluoride
Name: Potassium bifluoride
Synonyms: Potassium hydrogen fluoride
CAS No.: 7789-29-9
Molecular Formula: KHF2
Molecular weight： 78.10
It is a colourless tetragonal or cubic crystal with slightly acidic smell and relative density of 2.37, mp 225°C. It is easy soluble in water, insoluble in alcohol. Its aqueous solution is acidity. It is stable in dry air, but decomposes to release hydrogen fluoride in humid air. It gives of HF when heated to 310°C, and the steam pressure of hydrogen fluoride could reach 0.10325Mpa(l atm) at 400°C. The activity of fused potassium bifluoride is greater than potassium fluoride. It is toxic and caustic.
Specification: 99%min
Appearance : White Crystalline powder
Boiling Point : Decomposes at >400 °C
Melting Point : 225 °C
Specific Gravity : 2.37
Product Test Specification :
| Parameters | Unit | Specification |
| Loss on dry | % Max |
0.02 |
| Purity as ‘KHF₂’ | % Min | 99.51 |
| Fluorine as ‘f ‘ | % Min | 48.71 |
| White Degree | % Min | 95 |
| Sulphate as ‘SO₄’ | % Max | 0.003 |
| Chlorides as ‘Cl’ | % Max | 0.003 |
| Potassium Fluorosilicate | % Max | 0.0045 |
| Heavy Metals as ’Pb’ | % Max | Nil |
| Iron as ‘Fe’ | % Max | 0.001 |
| Sodium as ‘ Na’ | % Max | 0.001% |
|
TECHNICAL SPECIFICATION |
|
|
DESCRIPTIONS |
SILICA GEL BLUE |
|
Assay (as SiO2) |
98 % |
|
pH |
6.8 - 7.2 |
| Melting point | 1610oC |
| Boiling Point | 2230oc |
|
Bulk Density gm/ltr |
0.600 – 0.700 |
| Density | 2.6 |
|
Loss on Drying % |
4 - 6 % |
|
Loss on Attrition |
2.5 % Max |
|
Adsorption Capacity at 100 % humidity |
35 - 40 % |
|
Friability |
99.5 |
|
Chloride (as Nacl) |
Max. 0.5% ppm |
|
Sulfates (as Na2SO4) |
Max 0.5 % ppm |
|
Cobalt Chloride (as CaCl2) |
0.5 – 0.7 % |
|
Ammonium Compound (as NH3) |
0 % |
|
Binder as CaSO4 |
0 % |
|
Dimethyl Fumrate (DMF) |
0 % |
|
Particle size |
4 - 6 |
Silica Gel Details
CAS No. : 112926-00-8
Chemical Name : Silica gel
CBNumber : CB1199389
Molecular Formula : O2Si
Formula Weight : 60.08
Specification Potassium Bicarbonate
|
Specifications Description |
Potassium Bicarbonate is a food grade product comprised of potassium bicarbonate USP and a small amount of magnesium oxide USP flow aid is included to maintain handling characteristics. |
|
Identification* |
Responds to the test for potassium. |
|
Assay-dry basis* |
98.75 – 101.0% (as KHCO3) |
|
Flow Aid |
0.5 – 0.75% (as MgO) |
*USP Method
|
General Properties (Not Specifications) Appearance |
White crystalline powder |
|
Taste* |
Slightly salty. |
|
Thermal Decomposition |
98.75 – 101.0% (as KHCO3) |
|
Bulk Density |
65 lb / ft.3 |
|
Solubility in water |
Complete except for flow aid |
|
Solubility in alcohol |
Insoluble |
|
Alkali Equivalent |
1 lb. Flow K® = 0.470 lb K2O |
|
Acid Equivalent |
1 lb. Flow K® = 0.365 lb HCl |
|
Carbon Dioxide Equivalent |
1 lb. Flow K® = 0.440 lb CO2 |
|
pH 1% aqueous soln at 77°F |
Approximately 8.3 |
Granulation (Typical):
|
Ro-Tap % Fraction Retained |
|||
|
Sieve Size (USS) |
Microns |
|
|
|
40 |
420 |
1 |
|
|
80 |
177 |
50 |
|
|
100 |
149 |
20 |
|
Sodium Benzoate aqueous solution is alkaline in nature with pH value 8 approximate. Sodium benzoate is combined with water, benzoic acid is produced. Benzoic acid is the active form of the preservative—the form that protects foods. Benzoic acid is also found naturally in some fruits, such as cranberries, plums, and apples.
Medicinal application of Sodium Benzoate to control Ammonia in URINE ?
Liver diseas problem generate excess of Ammonia in waste product and release ammonia via urine. Uses of sodium benzoate may help treat such things. The chemical reduces high blood levels of the waste product ammonia, such as in people with liver disease or inherited urea cycle disorders — conditions that limit the excretion of ammonia via urine.
|
Identification |
|
|
CAS number |
497-19-8 |
|
EC number |
207-838-8 |
|
Properties |
|
|
Molecular formula |
Na2CO3 |
|
Molar mass |
105.9784 g/mol |
|
Appearance |
White solid, hygroscopic |
|
Odor |
Odorless |
|
Density |
2.54 g/cm3 |
|
Melting point |
851 °C |
|
Boiling point |
1633 °C |
|
Solubility in water |
7 g/100 mL (0 °C) |
|
Solubility |
Insoluble in ethanol, acetone |
|
Basicity (pKb) |
4.67 |
|
Refractive index (nD) |
1.485 |
|
EU classification |
Irritant (Xi) |
|
R-phrases |
R36 |
|
S-phrases |
(S2), S22, S26 |
|
NFPA 704 |
0 1 1 |
|
Flash point |
Non-flammable |
|
LD50 |
4090 mg/kg (rat, oral) |
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Oman Chemical is leading one Largest Supplier, Manufacture a
Oman Chemical is leading one Largest Supplier, Manufacture a
