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Other names:Sodium hyposulfite ,Hyposulphite of soda
Identifiers CAS number : 7772-98-7 Y, 10102-17-7 : (pentahydrate)
UNII :L0IYT1O31N Y
ChEMBL CHEMBL : 1201157 N
RTECS number :XN6476000
|
Molecular Formula |
Na2S2O3 |
|
Molar Mass |
158.11 g/mol |
|
Appearance |
Clear Liquid |
|
Odor |
odorless |
|
Boiling Point |
100 °C (pentahydrate, - 5H2O decomp) |
|
Solubility in Water |
100% |
IUPAC name :Sodium thiosulfate
Other names:Sodium hyposulfite ,Hyposulphite of soda
Identifiers
CAS number : 7772-98-7 Y,
10102-17-7 : (pentahydrate)
PubChem: 24477
ChemSpider :22885 Y
UNII :L0IYT1O31N Y
ChEMBL CHEMBL : 1201157 N
RTECS number :XN6476000
Keep away from heat as the potential for release of sulfur dioxide fumes exists. Liquid sodium thiosulfate has very low toxicity but routine safety precautions should be practiced. Rubber gloves, safety goggles and protective clothing is recommended.
Sodium Thiosulfate, wt%30 +/- 2%
Sulfite, wt%1.5 max.
pH 7.0 – 9.0
Physical Properties:
Specific Gravity @ 25o C 1.252 – 1.34
Density, lbs/gal @ 25o C 10.4 – 11.2
FeCl2.4H2O is 198.83 g/mol and FeCl2 is 126.75 g/mol - This means that 1g of FeCl2.4H2O is equivalent to 0.6375g of FeCl2.
|
Item |
Index |
|
|
Aluminum Sulfate |
15.8% |
17% |
|
A12O3 % ≥ |
15.8 |
17 |
|
Iron Fe content % ≤ |
0.50 |
0.005 |
|
Water insoluble matter % ≤ |
0.15 |
0.15 |
|
PH value 1% aqueous solution ≥ |
3.0 |
3.0 |
|
Heavy metals as Pb % ≤ |
0.002 |
0.002 |
|
AS % ≤ |
0.0005 |
0.0005 |
|
Granularity ≥ |
----- |
15 |
|
Item |
Index |
|
|
Aluminum Sulfate |
15.8% |
17% |
|
A12O3 % ≥ |
15.8 |
17 |
|
Iron Fe content % ≤ |
0.50 |
0.005 |
|
Water insoluble matter % ≤ |
0.15 |
0.15 |
|
PH value 1% aqueous solution ≥ |
3.0 |
3.0 |
|
Heavy metals as Pb % ≤ |
0.002 |
0.002 |
|
AS % ≤ |
0.0005 |
0.0005 |
|
Granularity ≥ |
----- |
15 |
|
Item |
Index |
|
|
Aluminum Sulfate |
15.8% |
17% |
|
A12O3 % ≥ |
15.8 |
17 |
|
Iron Fe content % ≤ |
0.50 |
0.005 |
|
Water insoluble matter % ≤ |
0.15 |
0.15 |
|
PH value 1% aqueous solution ≥ |
3.0 |
3.0 |
|
Heavy metals as Pb % ≤ |
0.002 |
0.002 |
|
AS % ≤ |
0.0005 |
0.0005 |
|
Granularity ≥ |
----- |
15 |
ALUMINIUM SULFATE Al2(SO4)3
Specification :
| Density | 1.67 g/cm3 (25 °C) |
| Melting Point | 154 °C |
| pH value | 2.5 - 3.5 (50 g/l, H₂O, 20 °C) |
| Vapor pressure | 0.054 Pa (50 °C) |
| Composition | Polydimethyl Silicone & biodegradable surfactants |
| Appearance | Off-white to Milky White emulsion Liquid |
| Viscosity by B5 Cps | 500-1500 |
| % Solid content | 62 - 66 |
| pH of neat | 6 - 8 |
| Specific Gravity | 0.97 – 0.99 |
| Solubility | Water soluble Dispersible |
| Ionic nature | Non-ionic |
| Compatibility | With most finishing agents & adjunct auxiliaries |
Silicone Fluid Emulsion 40 RXSOL is recommended as a mould releasing agent in rubber industries. It can be used as universal release agent in rubber processing. Furthermore, the emulsion is suitable best for the formulation of paint and vinyl conditioners. The active agent contained supports an easy polishing of the conditioner formulations and improves the brightness. It is a specially modified emulsion of poly dimethyl siloxane to give dry, crispy feel to the fabrics especially to synthetics.
| Molar Mass |
258.192 g/mol (anhydrous)
474.37 g/mol (dodecahydrate) |
| Density | 1.725 g/cm3 |
| Melting Point | 92 to 95 °C (198 to 203 °F; 365 to 368 K) |
| Boiling Point | 200 °C (392 °F; 473 K) |
| Test | Specification | Result |
| Appearance (Color) | White | White |
| Appearance (Form) | Powder | Powder |
| Solubility (Color) | Colorless | Colorless |
|
Solubility (Turbidity) 0.5M, H2O |
Clear to Slightly Hazy | Clear |
| Calcium (Ca) | _< 0.0005 % | < 0.0005 % |
| Copper (Cu) | _< 0.0005 % | < 0.0005 % |
| Iron (Fe) | _< 0.001 % | 0.001 % |
| Magnesium (Mg) | _< 0.005 % | < 0.005 % |
| Sodium (Na) | _< 0.02 % | < 0.02 % |
| Phosphorus (P) | _< 0.0005 % | < 0.0005 % |
| Lead (Pb) | _< 0.001 % | < 0.001 % |
| Zinc (Zn) | _< 0.0005 % | < 0.0005 % |
|
Chloride (Cl) < or = 0.0005% |
Pass | Pass |
| Insoluble Matter | _< 0.005 % | 0.002 % |
| Ammonia (NH4) | _< 0.005 % | 0.002 % |
|
Purity by Titration by EDTA |
_> 98.0 % | 99.8 % |
| Form | Liquid |
| Colour | Dark brown |
| Odour | Hydrocarbon-like. |
| Odor Threshold | No Information Available |
| pH | Not Applicable |
| Melting Point | < -40 °F (< -40 °C) |
| Boiling Point | 348.8 °F (176 °C) |
| Flash Point | 150.1 °F (65.6 °C) Pensky-Martens Closed Cup |
| Evaporation Rate | < 1 (Ether =1) |
| Flammability (solid, gas) | Not Applicable |
| Explosive limits Lower / Uper | Not Available |
| Vapour pressure | < 5 mm Hg @ 21°C |
| Vapour Density | > 1 (Air =1) |
| Secific Gravity | 1.42 |
| Decomposition Temperature | No information available |
| Partition coefficient | No data available |
| Autoignition Temperature | No data available |
| Solubility in Water | Not Soluble |
| Viscosity | < 400 cSt @ 60°F |
| Explosive properties |
We are marine chemical supplier since 1996.These Marine Chemicals include different sets of products such as Tank Cleaners, Maintenance Chemicals, Cooling Water Treatment Chemicals, Boiler Water Treatment Chemicals, Fuel Additives, etc.
Oman Chemical is leading one Largest Supplier, Manufacture a
Oman Chemical is leading one Largest Supplier, Manufacture a
