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Reagent grade
Analytical Grade (AR/LR Certified)
Concentration: 36.5% - 38.0%
Appearance: Clear, colorless fuming liquid
Key Specifications:
Non-volatile matter: ≤ 0.001%
Free chlorine (Cl): ≤ 0.0002%
Sulphate (SO4): ≤ 0.0005%
Iron (Fe): ≤ 0.00004%
Arsenic (As): ≤ 0.000002%
Ideal for high-precision laboratory and industrial applications.
Hydrochloric Acid Analytical Reagent (AR)
CAS Number: 7647-01-0
Molecular Formula: HCl
Molecular Weight: 36.458 gm/mol
Specifications
Test | Specification |
---|---|
Appearance & Colour | Clear Colourless fuming liquid |
Assay (acidimetric) | 36.5% – 38.0% |
Non-volatile matter | Max 0.001% |
Free chlorine (Cl) | Max 0.0002% |
Sulphate (SO₄) | Max 0.0005% |
Sulphite (as SO₃) | Max 0.0001% |
Aluminium (Al) | Max 0.00005% |
Ammonium (NH₄) | Max 0.0003% |
Arsenic (As) | Max 0.000002% |
Copper (Cu) | Max 0.00001% |
Iron (Fe) | Max 0.00004% |
Lead (Pb) | Max 0.00005% |
Laboratory Grade (LR Certified)
Concentration: 35.0% - 38.0%
Appearance: Colorless liquid
Key Specifications:
Specific gravity: 1.18-1.20
Residue on evaporation: ≤ 0.01%
Heavy metal (as Pb): ≤ 0.0005%
Free chlorine: ≤ 0.0005%
Sulfate (SO4): ≤ 0.02%
Used in routine laboratory and chemical applications.
Hydrochloric Acid Laboratory Reagent (LR), 35-38%
CAS Number: 7647-01-0
Molecular Formula: HCl
Molecular Weight: 36.458 gm/mol
Specifications
Test | Specification |
---|---|
Appearance (Colour) | Colourless |
Appearance (Form) | Liquid |
Assay (Acidimetric) | 35.0 – 38.0% |
Specific gravity | 1.18 – 1.20 |
Residue on Evaporation | ≤ 0.01% |
Free Chlorine | ≤ 0.0005% |
Iron (Fe) | ≤ 0.0001% |
Heavy Metal (as Lead) | ≤ 0.0005% |
Sulfate (SO₄) | ≤ 0.02% |
Colour (APHA) | ≤ 10 |
Food Grade
Food Grade (FCC Certified)
Concentration: 36.0% - 38.0%
Appearance: Transparent liquid
Key Specifications:
Iron (Fe): ≤ 5 mg/kg
Lead (Pb): ≤ 1 mg/kg
Mercury: ≤ 0.10 mg/kg
Sulfate (SO4): ≤ 0.5%
Nonvolatile residue: ≤ 0.5%
Used in food processing for pH control, enzyme activation, and hydrolyzing starches.
Hydrochloric Acid, 37 percent, Food Chemical Codex (FCC)
CAS Number: 7647-01-0
Molecular Formula: HCl
Molecular Weight: 36.458 gm/mol
Specifications
Test | Min | Max |
---|---|---|
Assay | 36.0% | 38.0% |
Colour | To pass test | |
Specific gravity | To pass test | |
Iron (Fe) | 5 mg/kg | |
Lead (Pb) | 1 mg/kg | |
Mercury | 0.10 mg/kg | |
Nonvolatile residue | 0.5% | |
Organic compounds | To pass test | |
Oxidising substances (as Cl₂) | 0.003% | |
Reducing substances (as SO₃) | 0.007% | |
Sulfate | 0.5% | |
Identification | To pass test |

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