Buffer Cleaner
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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 | : | 1.78 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 : 1.785 g/mL (liquid)1.685 g/mL (75 % 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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General information |
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Appearance |
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Physical state |
Liquid. |
|
Color |
Clear. |
|
Odor |
Faint odor. |
| Important health, safety and environmental information | |
| pH | 7 |
| Boiling/condensation point | >85 C |
| Melting/freezing point | Not available. |
| Flash point | Closed cup: 229.4 C (444.9 F) |
| Flammable limits | Not available. |
| Auto-ignition temperature | Not available. |
| Vapor pressure | Not available. |
| Specific gravity | 1.01 |
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Partition coefficient: noctanol/ water (log Kow) |
Not available. |
| Viscosity | Kinematic: 1.75 cm2/s (175 cSt at 40 C) |
| Density | Not available. |
| Vapor density | >1 [Air = 1] |
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Evaporation rate (butyl acetate = 1) |
Not available. |
| Specification | Result |
| Appearance/nature | Clear liquid Colour |
| Colour | Colourless to pale yellow |
| pH (5 % aqueous solution) | 4 - 6 |
| Active matter, % by mass (Mol.wt. 360) | 29 - 31 |
| Chloride, % by mass as NaCl, maximum | 6 |
| Free amido amine, % by mass | 0.5 Max |
| Fatty Acid, % by mass, maximum | 0.5 |
| Solid Content (1050C, 2 hrs) % by mass, | 36 Min. |
| Specific Gravity (at 200C) | 1.045 – 1.065 |
| Microbial count, TVC, cfu/ml | < 10 |
| Microbial count, Y/M, cfu/ml | < 10 |
| Vapour pressure (mm Hg) | Similar to water |
| Vapour density (Air = 1) | Similar to water |
| Solubility | Soluble in water, ethanol and isopropanol. |
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
