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PRODUCT NAME | : | PHOSPHORIC ACID |
CAS number | : | 7664-38-2 |
UN number | : | 1805 |
Formula | : | H3PO4 |
Odour | : | Characteristic Odour |
Solubility in water | : | COMPLETE , ( 5.48 g/mL ) |
Density | : | 1.834 at deg C |
Boiling point | : | 213 deg C |
Melting point | : | 42 deg C |
Viscosity | : | 147 cP (100 %) |
Flashpoint | : | NA |
Explosive limits | : | NA |
Vapour pressure | : | 0 mbar at 20 deg C |
Skin absorption/irritation | : | YES |
TLV Country NL Year 1995 | : | ppm 1 mg/m3 |
Pollution category 1994 | : | D |
Properties :
- Molecular formula: H3PO4
- Molar mass : 98.00 g/mol
- Appearance : white solid or colourless, viscous liquid (>42 °C)
- Density : 1.885 g/mL (liquid)1.685 g/mL (85 % solution)2.030 g/mL (crystal at 25 °C)
- Acidity (pKa): 2.148, 7.198, 12.375
Pure phosphoric acid is colorless, odorless and has sour odor.
Phosphoric acid is Soluble in water and ethanol. Easily absorb moisture. Easy to be crystallized under cold condition for long time.
Phosphoric Acid is Corrosive. Should be stored in closed containers.
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Test Typical Value
Specific Gravity @ 15°C...………. 1.25
Approx. wt./litre…………………... 1.2 kg/l
Viscosity @ 40°C...………………. 6 cps
Form...……………………………... Liquid
Flash Point ...................................None
Water solubility .............................Complete
pH …………………………………...2
Appearance | White Powder, Granular, |
Chemical Name | Sodium Dichloroisocyanurate |
Formula | C3O3N3Cl2Na |
Chlorine | >62% |
Molecular Weight | 219.95 |
pH (1% solution) | 6.0 to 7.0 |
Moisture | 0.5 to 1.00% max |
Solubility @ 25°C | Completely soluble in water |
Density | Tap density = 0.974 g/mL |
The requirements for pool water testing in the application of dichlor based products should be indicated on the product label. The primary parameter to be tested is the level of FAC in the water. The choice of testing methods will vary depending on the type of pool (residential or commercial) and local regulations and standards. The product label should recommend that the pool water quality be properly balanced. This requires testing of the pool water balance parameters of pH, alkalinity, calcium hardness, and stabilizer (i.e. cyanuric acid).
Form | Liquid |
Colour | Colourless to slightly Yellow |
Odour | Sharp |
Flash Point | > 100C |
Density | 1.05-1.11 g/cm3 (25C) |
pH |
3 - 7 |
Non-Flammable
Safe Plant Handling
Low Odor
Provides corrosion protection in the liquid and the vapor phase
When used in hydrostatic testing the product provides protection in liquids below, above and at the liquid levels. Protection of recessed and hard to reach areas. Complicated valves and the interior surfaces of piping and equipment, which are often difficult or impossible to reach, are protected with true Vapor Corrosion Inhibitor action. Can be applied for hydrotest solution, metalworking fluids, coatings, adhesives and water treatment formulations.
Risk of serious damage to eyes. In case of contact with eyes, rinse immediately with plenty of water & seek medical advice. Wear suitable gloves and eye / face protection