Carbolic soap, sometimes referred to as red soap, is a mildly

antiseptic An antiseptic ( and ) is an antimicrobial substance or compound that is applied to living tissue to reduce the possibility of sepsis, infection, or putrefaction. Antiseptics are generally distinguished from ''antibiotics'' by the latter's abil ...

soap containing

carbolic acid Phenol (also known as carbolic acid, phenolic acid, or benzenol) is an aromatic organic compound with the molecular formula . It is a white crystalline solid that is volatile and can catch fire. The molecule consists of a phenyl group () bon ...

(phenol) and/or cresylic acid (cresol), both of which are

phenols In organic chemistry, phenols, sometimes called phenolics, are a class of chemical compounds consisting of one or more hydroxyl groups (− O H) bonded directly to an aromatic hydrocarbon group. The simplest is phenol, . Phenolic compounds ar ...

derived from either

coal tar Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. It is a type of creosote. It has both medical and industrial uses. Medicinally it is a topical medication applied to skin to treat psoria ...

petroleum Petroleum, also known as crude oil or simply oil, is a naturally occurring, yellowish-black liquid chemical mixture found in geological formations, consisting mainly of hydrocarbons. The term ''petroleum'' refers both to naturally occurring un ...

sources.

History

In 1834, German chemist Friedlieb Ferdinand Runge discovered a

phenol Phenol (also known as carbolic acid, phenolic acid, or benzenol) is an aromatic organic compound with the molecular formula . It is a white crystalline solid that is volatile and can catch fire. The molecule consists of a phenyl group () ...

, also known as carbolic acid, which he derived in an impure form from

. In August 1865, Joseph Lister applied a piece of lint dipped in carbolic acid solution to the wound of an eleven-year-old boy at Glasgow Royal Infirmary, who had sustained a compound fracture after a cart wheel had passed over his leg. After four days, he renewed the pad and discovered that no infection had developed, and after a total of six weeks he was amazed to discover that the boy's bones had fused back together, without the danger of suppuration. One of the earliest manufacturers of carbolic soap was F. C. Calvert and Company of

Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...

, England, established in 1859 and taken over by

Unilever Unilever PLC () is a British multinational consumer packaged goods company headquartered in London, England. It was founded on 2 September 1929 following the merger of Dutch margarine producer Margarine Unie with British soap maker Lever B ...

in 1965. In the United States, the licence for manufacturing carbolic soap was held by James Buchan and Company. In 1894, William Lever, 1st Viscount Leverhulme, introduced the Lifebuoy brand of carbolic soap to the market.

Features

One of the distinctive features of this soap is its deep pink to red colour, which was and still is added to the soap to designate it as carbolic soap. The addition of the red colour was deemed important as when carbolic soap was first introduced to the general public it was the only germicidal soap available. Carbolic acid is used in a wide range of industrial and consumer product applications and can be a skin irritant.

Uses

It is still distributed to disaster victims for routine hygiene by the

Red Cross The organized International Red Cross and Red Crescent Movement is a Humanitarianism, humanitarian movement with approximately 16million volunteering, volunteers, members, and staff worldwide. It was founded to protect human life and health, to ...

and other relief organisations.

References

{{Reflist Disinfectants Soaps

History

Features

Uses

See also

References