Formaldehyde is a strong-smelling, Colorless gas used in making building materials and many household products. It is used in pressed-wood products, such as particleboard, plywood, and fiberboard; glues and adhesives, permanent-press fabrics, paper product coatings; and certain insulation materials.
Formalin is a 40% solution of formaldehyde in water.
When dissolved in water it is called formalin, which is commonly used as an industrial disinfectant, and as a preservative in funeral homes and medical labs. It can also be used as a preservative in some foods and in products, such as antiseptics, medicines, and cosmetics.
Pure Chemicals Co. - Offering Formaldehyde Solution 37-41% W/v Ar 500ml, 500 Ml .