LIME CHLORIDE, STATE STANDARD SPECIFICATION 1692-85 BLEACHING POWDER
Lime chloride, Bleaching powder- represents mix of dibasic salt of calcium hypochlorite, oxychloride, chloride and lime hydrate. It is applied as strong oxidizer in the textile and paper industry to whitening of fabrics and cellulose, in some chemical productions to receiving chloroform, chloropicrin, as vent and desinfectant, to disinfecting of the soil about granaries from granary wreckers.
Depending on way of receiving lime chloride is let out two brands: And yes B. Lime chloride of brand A is received chlorination of pushonka in fluidized bed, by brands B - chlorination of pushonka in Bakman's devices.
Chemical formula: mix Ca (ClO) 2, CaCl2 and Ca (OH) 2
Lime chloride not of goryuch, but, being strong oxidizer, at contact with organic products can cause their fire. Chlorine which is emitted from lime chloride belongs to substances of the 2nd class of danger.
Lime chloride is packed into plastic bags; in packages of razvesy 0,5-2,0 kg from polyethylene film or from vinyl film, or from the bag paper laminated by polyethylene; in the plastic bags enclosed in bags from chlorine fabric; in the steelpans with a capacity no more than 100 dm3 painted inside and outside by chemically resistant paint or in the uncolored drums from carbon steel supplied with inserts from polyethylene film. Lime chloride for long-term storage is packed into the steelpans painted inside and outside or into the plastic bags enclosed in bags from chlorine fabric.
Lime chloride is transported all means of transport (except air) in the covered vehicles. The product packed into plastic bags is transported only car sendings by rail or the motor transport.
The lime chloride packed into plastic bags has to be sustained in packaging in warehouse of manufacturer during 72 h on pallets. At the same time bags stack on pallets up to 1 m high with width of stack up to 2 m, pass between stacks - not less than 0,5 m.
Lime chloride is stored in not heated, darkened and well aired rooms closed warehouse. Floors have to be from asphalt, brick or concrete. Lime chloride in bags is stored in stacks up to 2,5 m high and up to 1,2 m wide, in drums, boxes and barrels - vertically, height to five tiers with perestily of boards between tiers or horizontally up to 4 m high. Between stacks leave pass not less than 1 m wide.
Storage in one room with lime chloride of explosive substances, flammable loads and cylinders with compressed gases is not allowed.
Warranty period of storage of product.
product of brand A of the 1st and 2nd grades - 3 years from the date of production, product of brand A of the 3rd grade and brand B - 1 year from the date of production.
|Name of indicator||Norm for brand and grade|
|The 1st||The 2nd||The 3rd||The 1st||The 2nd||The 3rd|
|1. Appearance||Powder of white color or slabookrashenny, with availability of lumps|
|2. Mass fraction of active chlorine, %, not less *||28||25||20||35||32||27|
|3. Heat stability coefficient, not less||0,90||0,90||0,80||0,75||0,70||0,60|
Safety requirements of lime chloride
|Main properties and types of danger|
|Main properties||Powder of white color or slabookrashenny, with availability of lumps.|
|Vzryvo-and fire danger||Lime chloride not of goryuch, but, being strong oxidizer, at contact with organic products can cause their fire. Blows up at interaction with oil products, at blow, friction. Tanks can blow up when heating. In case of warming up owing to decomposition it is necessary to apply urgent measures to rassredotochivaniye of lime chloride. Storages have to be supplied with fire extinguishing means: water, boxes with sand and carbon dioxide fire extinguishers.|
|Danger to the person||Dust of lime chloride and the emitted chlorine (the 2nd class of danger) render irritant action on mucous membranes of airways, and also on integuments. Dangerously at inhalation, proglatyvaniye, hit on skin and mucous. Irritation in throat, the complicated breath, asthma. Belly-ache, vomiting bile, yellowness of skin. Morbidity, hypostasis, skin ulceration. Lacrimation, spasm century.|
|Means of individual protection||Overalls, for protection of respiratory organs and sight - the filtering gas mask of brand of V or BKF. Respirator of RU-60 of m, RU-62. Protective suit.|
|Necessary actions in emergencies|
|General character||To remove strangers. To keep from windward side. To isolate dangerous zone in radius of 800 m. To enter zone of accident in protective suit and the respiratory device. To observe measures of fire safety. Not to smoke!|
|At leak, flood and scattering||To stop train service and maneuverable works in dangerous zone. To remove combustible substances from the scattered substance. Not to go on prosypanny substance. To ship the damaged packagings in the car and to take out on the nearest station with observance of precautionary measures. To collect Prosypanny substance in capacity and to remove together with the damaged packagings. To wash out the place of scattering large amount of water. In case of infection of water to report in SES.|
|At the fire||To put on full protection. To isolate dangerous zone in radius of 800 m. Not to approach the burning tanks. To extinguish fire sprayed water, chemical and air and mechanical foam. To cool tanks from the greatest possible distance.|
|Measures of first aid||Pre-medical. To provide fresh air, rest, heat and to call the doctor. To wash away from skin and mucous the substance remains. To drink milk. To hospitalize. At hit on integuments and in eyes they should be washed out water jet within 15-20 minutes.
Medical. Inhalations are 0,5%-nvm, soda, oil with novocaine, solution, Dimedrol, Prednisolonum of 30-60 mg. To wash out stomach through probe water; p / to papaverine of 2% 2,0, platifillin 0,2% 1,0, atropine of 0,1% 1,0, Dimedrol of 1% 1,0. At threat of hypostasis of lungs - in/in Prednisolonum of 120-200 mg, lazigs 60-100 mg.