5% v/v HYDROCHLORIC ACID
Technical grade
A 5% hydrochloric acid (HCl) solution is a relatively dilute form of HCl and is commonly used in various applications due to its effectiveness and manageable concentration. Here are some typical uses:
1. Cleaning and Descaling
- Application: Removal of mineral deposits, rust, and scale.
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Use: Used to clean metal surfaces, plumbing systems, boilers, and heat exchangers. It helps dissolve calcium carbonate and other scale deposits.
2. Textile Industry
- Application: Neutralization and cleaning agent.
- Use: Used in textile processing to neutralize alkaline residues from fabric and to clean and prepare fabrics for dyeing.
3. Water Treatment
- Application: pH adjustment.
- Use: Employed in water treatment plants to lower the pH of water and to neutralize alkaline substances.
4. Chemical Manufacturing
- Application: Reactant and intermediate in chemical synthesis.
- Use: Used in the production of organic and inorganic compounds, including fertilizers, dyes, and pharmaceuticals.
5. Household Cleaning
- Application: Cleaning agent for household surfaces.
- Use: Utilized to clean tiles, grout, and other surfaces in kitchens and bathrooms, effectively removing stains and deposits.
6. Metal Processing
- Application: Metal surface treatment.
- Use: Used in pickling processes to remove oxides and scales from metal surfaces before further processing like plating or coating.
7. Educational Use
- Application: Demonstrations and experiments.
- Use: Used in educational laboratories for teaching acid-base chemistry, reaction dynamics, and titration techniques.
Safety Considerations
While a 5% HCl solution is less concentrated than industrial-grade HCl, it is still corrosive and should be handled with care:
- Personal Protective Equipment (PPE): Use gloves, goggles, and protective clothing.
- Ventilation: Ensure good ventilation when using the solution to avoid inhaling fumes.
- Storage: Store in a properly labeled, corrosion-resistant container, away from incompatible materials such as bases and reactive metals.
In summary, a 5% hydrochloric acid solution is versatile and widely used in various industries for cleaning, pH adjustment, chemical synthesis, and laboratory applications due to its relatively safe concentration and effective properties.
PROPERTIES OF HYDROCHLORIC ACID 5%:
- Molecular Formula: HCl
- Molecular Weight: 36.46
- Specific Gravity: 1.025
- CAS No.: 7647-01-0
- EC No. 231-595-7
- UN No.: 1789
- % of Hydrogen chloride: 5%
- Appearance: Colourless or light yellow transparent liquid
- Iron (Fe): 0.003%
- Sulphate (based on SO4): 0.003%
- Arsenic (As): 0.0001%
- Ignition Residue: 0.04%
- Oxide (based on Cl): 0.003%
Physical Properties
(Information from wikipedia)
| Concentration | Density | Molarity | pH | Viscosity | Specific Heat | Vapor Pressure | Boiling Point | Melting Point | ||
|---|---|---|---|---|---|---|---|---|---|---|
| kg HCl/kg | kg HCl/m3 | Baum | kg/l | mol/dm3 | mPas | kJ/(kg/K) | Pa | oC | oC | |
| 10% | 149.00 | 6.6 | 1.048 | 2.87 | -0.5 | 1.16 | 3.47 | 0.527 | 103 | 18 |
| 20% | 219.60 | 13 | 1.098 | 6.02 | -0.8 | 1.37 | 2.99 | 27.3 | 108 | 59 |
| 30% | 344.70 | 19 | 1.149 | 9.45 | -1.0 | 1.70 | 2.60 | 1,410 | 90 | 52 |
| 32% | 370.88 | 20 | 1.159 | 10.17 | -1.0 | 1.80 | 2.55 | 3,130 | 84 | 43 |
| 34% | 397.46 | 21 | 1.169 | 10.90 | -1.0 | 1.90 | 2.50 | 6,733 | 71 | 36 |
| 36% | 424.44 | 22 | 1.179 | 11.64 | -1.1 | 1.99 | 2.46 | 14,100 | 61 | 30 |
| 38% | 451.82 | 23 | 1.189 | 12.39 | -1.1 | 2.10 | 2.43 | 28,000 | 48 | 26 |
The reference temperature and pressure for the above table are 20 oC and 1 atmosphere (101.325 kPa).
PLEASE NOTE: This product is not for human or animal consumption.
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Hydrochloric acid, Hydrochloride acid, HCl, hydrogen chloride