Description
Sodium metabisulfite is an inorganic compound frequently used as a disinfectant, antioxidant and preservative agent. We are supplier and exporter of Sodium Metabisulfite in Mumbai, Kandla, Chennai, Visakhapatnam, Kolkata, Fujairah – Dubai.
Technical Bulletin
|
Molecular formula |
Na2S2O5, Na-O-(S=O)-O-(S=O)-O-Na |
|
Molar mass |
190.107 g/mol |
|
Appearance |
white powder |
|
Density |
1.48 g/cm3 |
|
Melting point |
>170 °C (begins at 150 °C) |
|
Solubility in water |
54 g/100 ml |
Label
Molecular Formula ……………………………………………………………………….. Na2S2O5
Molecular Weight …………………………………………………………………………. 190.10
White or Yellowish crystalline powder
LABEL PROPERTY
Physical state and appearance …………………………………………………………………… Solid. (Crystals solid or Powdered solid.)
Odor …………………………………………………………………………………………………….. odor of sulfur dioxide
Taste ……………………………………………………………………………………………………. Not available.
Molecular Weight ……………………………………………………………………………………. 190.13 g/mole
Color ……………………………………………………………………………………………………. White to yellowish.
pH ……………………………………………………………………………………………………….. (1% soln/water): 4.3 [Acidic.]
Boiling Point …………………………………………………………………………………………… Not available.
Melting Point ……………………………………………………………………………………………. Decomposition temperature: 150°C (302°F)
Critical Temperature …………………………………………………………………………………… Not available.
Specific Gravity …………………………………………………………………………………………. 1.4 (Water = 1)
Vapor Pressure …………………………………………………………………………………………. 1.4 (Water = 1)
Vapor Density ……………………………………………………………………………………………. Not available.
Volatility …………………………………………………………………………………………………… Not available.
Odor Threshold ………………………………………………………………………………………….. Not available.
Water/Oil Dist. Coeff …………………………………………………………………………………… Not available.
Ionicity (in Water) ………………………………………………………………………………………. Not available.
Dispersion Properties ………………………………………………………………………………….. See solubility in water.
Solubility ……………………………………………………………………………………………………. Easily soluble in cold water, hot water. Freely soluble in glycerol. Slightly soluble in alcohol. Moderately soluble in ethanol.
