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Salicylic acid (salicylic acid) – KOMPANІYa «HІMPOSTAChANNYa» | all.biz
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Salicylic acid (salicylic acid)

Salicylic acid (salicylic acid)

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Technical characteristics
  • Country of manufactureChina
Description
The minimum scope of supply from 25 kg. At the order of volume from 200 kg - 4,70$/kg the Name: salicylic kislotadrugy names: 2-hydroxybenzole acid, phenolic kislotaformula: S7n6o3gruppa: food additives and vitaminyvid: colourless crystals or easy crystal poroshokpostavshchik: LLC Company Plazma ®Упаковка: bag 25 kgproizvoditel: China Salicylic acid represents colourless crystals or light crystal powder, well soluble in ethanol, ethyl oxide and other polar organic solvents, badly rastvorima in water (1,8 g/l at 20 °C) and carbon sulfur. One of the most widespread oxybenzole acids is bibasic acid.

Density - 1,44 g/cm ³, temperature of melting is 159 °C, temperature of boiling is 211 °C.

In the nature meets in plants in the form of derivatives - mainly in the form of a glycoside of methyl air (in particular, salicylic acid was for the first time emitted from willow bark (Salix L.), from where there is a name), free salicylic acid along with salicylic aldehyde in small amounts contains in essential oil, some types of a spirea allocated from flowers.
The basic industrial the way of synthesis of salicylic acid and its derivatives is a carboxylation of dry phenolate of sodium (Kolbe-Schmitt's reaction) action of CO2 with a pressure of 0,6 MPas and temperature of 185 °C during 8-10 h.

Use of salicylic acid.
Salicylic acid and salycylates, and also its esters (methyl salicylate) and other synthetic derivatives of salicylic acid (for example, acetilsalicylic acid - aspirin), possess the expressed anti-inflammatory action.
Salicylic acid possesses weak antiseptic, irritating and keratolitichesky (in big concentration) properties and is applied in medicine outwardly in ointments and solutions at treatment of skin diseases; is a part of paste of Lassar, galmanin powder, the preparations "corn liquid" and "corn plaster".
Derivatives of salicylic acid are also applied in medicine (sodium salycylate), its amide (salitsilamid) and acetilsalicylic acid (aspirin) is used as febrifugal, antirheumatic, anti-inflammatory also by sedatives; salol - as antiseptics, para-aminosalicylic acid (structurally close to the para-aminobenzole acid necessary for tubercular mikobakteriya, and therefore metabolic competing with it) - as specific antitubercular means.

As antiseptics salicylic acid in the food industry is used at conservation of foodstuff.

Thanks to the keratolitichesky (peeling), anti-inflammatory and antibacterial action it is widely applied in the cosmetic industry to creation of various cosmetics for a softening and rejection of the become lifeless external layer of skin.

In analytical chemistry salicylic acid is applied as reagent to photometric definition of Fe and Xi, extraction separation of Th from other elements; acid and main luminescent indicator; the metallokhromny indicator for titrimetrichesky definition of Fe (III) and Ti(IV).

Depending on a scope technical salicylic acid is produced two brands: And yes B. The brand A is applied to production of medicines, brand B - to other purposes.

Safety requirements
Technical salicylic acid - combustible substance. Temperature of spontaneous ignition is 545 °C. Pylevozdushny mix is explosive. The lower concentration limit of ignition - 50 g/m ³.
At fire it is necessary to extinguish sprayed water, chemical and air and mechanical foam.
Technical salicylic acid - substance moderately dangerous (the 3rd class of danger in accordance with GOST 13.1.007). Affects nervous and respiratory systems, a liver and blood. Cumulative properties are expressed moderately. Possesses a strong irritant action on skin, mucous membranes of eyes and the top airways. Manifestation of allergenic action is possible.
Rooms where carry out works with a product, have to be equipped with all-exchange exhaust ventilation, places of possible dusting - local ventilating suctions.
During the work with salicylic acid it is necessary to apply individual means of protection.
At hit of a product on skin and mucous it should be deleted with water.

Packing, transportation and storage
Technical salicylic acid the FB 5-1 plywood reels with a polyethylene bag insert pack into the BKN III-36 cardboard navivny reels with a polyethylene bag insert, four - five-layer bags of the PM brand with a polyethylene bag insert or four - five-layer bags of the NANOMETER brand.
Transportation in the packaged look.
Technical salicylic acid is transported all means of transport according to the rules of transportation of goods existing this type of transport.
Store in packed form in the covered dry warehouse.
Warranty period of storage of wine acid - 1 year from the date of production.

LLC Company Plazma ® carries out deliveries of synthetic food additives from a warehouse in Kharkiv in terms and for reasonable prices, on conditions, favorable to you.

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