Formalin

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Formalin

Formalin — an aqueous solution of formaldehyde(methanal), stabilized with methanol.

Most common was the form that contains 40 % formaldehyde, 8 % methyl alcohol and 52 % water. The source of formaldehyde, disinfectant and deodorizing means, liquid for preservation of anatomical specimens and tanned skin. Irritant, toxic.

Technical conditions — odometery formaldehyde solution is a colorless transparent liquid. During storage allowed the formation of turbidity or a white precipitate, soluble at temperatures above 40 °C. This solution contains 37 % formaldehyde by mass and has a density of about 1.1 g/cm3, depending on the number of stabilizing methanol. Used in the production of: synthetic resins, synthetic rubber, surfactants, polyhydric alcohols, formals and other methylene derivatives.

Wide application is:

- in the paper industry to improve the strength and quality of paper;

- leather — for leather tanning;

- in textile for increasing the resilience of products to creasing and shrinkage;

- in agriculture — for treatment of seeds and root crops, disinfection soil and livestock premises;

- in medicine — as a disinfectant.

Formalin roll proteins and prevents their decomposition. So he applied to tanning of gelatin in the manufacture of artificial fiber, film, to save anatomical and Zoological wet preparations used in embalming, as a retainer in microscopy, and as antiseptic. Widely used for inactivation of bacteria and viruses in the production of inactivated vaccines. Used for the production of phenol-formaldehyde oligomers.

It finds application in the manufacture of synthetic resins, fibers, rubber, plastics, organic dyes. It is used in metallurgy, petroleum and petrochemical industry, in the leather and the fur industry, in agriculture and in the paper industry. Formaldehyde is widely used in the manufacture of plastics (such as phenolic plastics and laminoplasty), artificial fibers, it is obtained from pentaerythritol (raw material for the production of explosives, and plasticizers), trimethylolpropane. The main part of the formaldehyde is used to make wood-like materials where it is used to obtain a urea resin.

Formalin is included in the list of carcinogenic substances, has toxicity, negatively influences a genetic material, reproductive organs, respiratory tract, eyes, skin. Has a strong effect on the Central nervous system.

Packaging train and trucks with aluminum or stainless steel boilers plastic bottles, cans; aluminum, stainless or steel with coating barrels with a capacity of 200 dm3.

Transporterowych rail or road transport in covered vehicles in accordance with the rules of goods carriage, valid for this type transport.

Technical formalin is stored in heated tanks, made of materials ensure the quality of the product at a temperature of 10-25 °C. manufacturer's packing — in heated warehouse at a temperature of 10-25 °C.

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