Formaldehyde 40% - Aqueous Solution (Formalin)

Technical Specifications

• Chemical Composition: Formaldehyde (HCHO) in a concentration of 40% ±0.5%.
• Alternative Names: Methanal, Formaldehyde
• CAS Number: 50-00-0
• EC Number: 200-001-8
• Molar Mass: 30.03 g/mol
• Appearance: colorless, clear liquid with a sharp, irritating odor
• pH Value: approx. 2.0 (20°C)
• Melting Point: < -15°C
• Boiling Point: >96°C
• Autoignition Temperature: >300°C
• Flash Point: >61°C
• Explosive Limits: 7-73% Vol.
• Density: 1.09 g/cm³ (20°C)
• Vapor Pressure: no data available
• Solubility: readily soluble in water and in ethanol, ethyl ether, methanol, n-butanol, n-propanol
• Impurities (max.):
  • Organic acids (i.e. HCOOH): 0.05%.
  • Residue after roasting (as SO₄): 0.005%
  • Chlorides (Cl): 0.0005%
  • Sulfates (SO₄): 0.005%
  • Heavy metals (as Pb): 0.0005%
  • Iron (Fe): 0.0005%

Examples of Professional Applications in Various Industries

• Histological preparations and fixatives in biology and medical laboratories
• Preservation of biological materials and microscope slides
• Production of synthetic resins and plastics
• Disinfectant and sanitizer in industrial applications

Hazard Statements (H)

• H301 - Toxic if swallowed
• H311 - Toxic in contact with skin
• H315 - Causes skin irritation
• H317 - May cause an allergic skin reaction
• H319 - Causes serious eye irritation
• H331 - Toxic if inhaled
• H335 - May cause respiratory irritation
• H351 - Suspected of causing cancer

Precautionary Statements (P)

• P301+P330+P331 - IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
• P302+P352 - IF ON SKIN: Wash with plenty of soap and water.
• P305+P351+P338 - IF IN EYES: Rinse cautiously with water for several minutes.
• P309 - In case of exposure or feeling unwell: Seek medical advice
• P310 - Immediately call a POISON CENTER/doctor

Restrictions

This product is intended for laboratory and industrial use only. Not for food or medical purposes.

Recommended Storage Conditions

Store in a tightly closed container, in a cool, well-ventilated place, away from ignition sources and oxidizing agents.