ACIDS & BASES

• ACIDS •

LACTIC ACID

• Found in milk and other dairy substances
• Formula: C3H6O3

LACTIC ACID PROPERTIES

• Molecular Weight 90.07794 g/mol
• Aqueous crystalline solution, mild acidic taste.
• Melts at 16.8°C(62.24°F) & boils at 122°C(251.6°F)
• Acidity: 3.86
• Clear liquid

LACTIC ACID HAZARDS

• Corrosive
• Causes eye & skin burns and digestive & respiratory burns.
• Slightly flammable.

ACETIC ACID

• Found in products that contain vinegar, like condiments(ketchup) & pickled foods.
• Formula: C2H4O2
• Molecular weight: 60.05 g/mol

ACETIC ACID PROPERTIES

• Melting point at 16.7°C (61°F) & boiling point is 118°C (224°F)
• hygroscopic:meaning that it tends to absorb moisture.
• Concentrated acetic acid is corrosive & attacks many metals forming flammable or explosive gases.
• Miscible: capable of being mixed to form a homogenous mixture.
• Acidity of 4.76
• Colorless liquid with a pungent odor.

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ACETIC ACID HAZARDS

• Liquid form is highly corrosive to skin & eyes.
• Highly damaging to internal organs if ingested or vapor inhalation.
• Flammable, Keep away from flame/sparks.

• BASES •

Zirconium Hydroxide

• Formula: H4O4Zr or Zr(OH)4
• Molecular weight: 159.253 g/mol
• Used In pigments(cosmetic/paint/fabric), glass and dyes.

ZIRCONIUM HYDROXIDE

• The compound is a toxic, white powder.
• insoluble in water, but is soluble in weaker mineral acids.
• Melting point of 550°C (1,022°F).
• density: 3.25 g/mL

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ZIRCONIUM HYDROXIDE HAZARDS

• Exposure toxicity to organs
• Skin and eye irritation.
• Slightly flammability.

STRONTIUM HYDROXIDE

• Formula: Sr(OH)2
• Molecular weight:121.63 g/mol
• Used for refining beet sugar.

STRONTIUM HYDROXIDE PROPERTIES

• prismatic colourless crystals
• Melting point of 535°C (995°F) & Boiling Pt of 710°C (1310°F).
• synthesized by combining a strontium salt with a strong base.
• Basicity: -2.19
• Lowest energy state; stable.
• Density: 3.63 g/cm³

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STRONTIUM HYDROXIDE HAZARDS

• Acute toxicity
• Corrosive
• Causes eye, skin and respiratory system irritation.

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