4. It is used in light industry to produce potassium soap, alkaline battery, cosmetics (such as cold creamAlabasterAnd shampoo).
5. In the dye industry, it is used to produce vat dyes, such as vat blue RSN.
6. It is used as an absorbent for analytical reagent, saponification reagent, carbon dioxide and water.
7. In the textile industry, it is used for printing, dyeing, bleaching and mercerizing, and is largely used as the main raw material for manufacturing man-made fibers and polyester fibers, as well as for manufacturing melamine dyes.
8. It is also used in metallurgical heating agent and leather degreasing.
Content analysis
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Take 10g of this product, quickly and accurately weigh it, put it into a 250ml measuring bottle, add some newly boiled and cooled water to dissolve it, cool it to room temperature, dilute it with water to the scale, shake it up, precisely measure 50ml, put it into a 500ml conical flask with a stopper, add 95ml of newly boiled and cooled water and 5ml of 10% barium chloride solution, tightly plug it, shake it up, place it for 15 minutes, add 2 drops of phenolphthalein indicator solution, and use hydrochloric acid titrant (1mol/L)Titrate until the red color of the solution disappears, and record the volume of hydrochloric acid titrant consumed (1mol/L) (Vone）Add 10 drops of methyl red bromocresol green mixed indicator solution, continue to titrate with hydrochloric acid titrant (1mol L) until the solution turns from green to dark red, boil for 2 minutes, cool down, and titrate until the solution turns dark red.Record the volume of hydrochloric acid titrant consumed (1moL) (Vtwo)。According to the consumed volume (Vone）, calculate the content of KOH in the test article, and according to the volume consumed after adding methyl red bromocresol green mixed indicator solution (Vtwo-Vone）, calculate K in the test quantitytwoCOthreeContent of.Each 1ml hydrochloric acid titrant (1mol/L) is equivalent to 56.11mg KOH or 69.10mg KtwoCOthree。[5]
First aid measures
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Contact part
First aid measures
Skin contact
Take off contaminated clothes immediately and wash with plenty of flowing water for at least 15 minutes.Get medical attention.
Eye contact
Immediately lift the eyelid, and thoroughly flush it with a large amount of flowing water or physiological saline for at least 15 minutes.Get medical attention.
inhalation
Quickly leave the site to fresh air.Keep the respiratory tract unobstructed.If breathing is difficult, give oxygen.If breathing stops, perform artificial respiration immediately.Get medical attention.
Ingestion
Rinse with water and drink milk or egg white.Get medical attention.
Fire extinguishing method
Put out the fire with water and sand, but prevent articles from splashing in water and causing burns.
Leakage emergency treatment
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Isolate the leakage contaminated area and restrict access.It is recommended that emergency treatment personnel wear dust masks (full face masks) and acid and alkali resistant work clothes.Do not touch the leakage directly.
Small amount of leakage: collect it in a dry, clean and covered container with a clean shovel.A large amount of water can also be used for flushing, and the diluted washing water will be discharged into the waste water system.
Large amount of leakage: collect and recycle or transport to waste disposal site for disposal.
Packaging, storage and transportation
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Packing method: solids can be packed into 0.5mm thick steel drums and sealed tightly, with the net weight of each drum not exceeding 100kg;Full opening or middle opening steel drum outside the plastic bag or two-layer kraft paper bag;Screw mouth glass bottles, iron cap pressure mouth glass bottles, plastic bottles or ordinary wooden boxes outside metal barrels (cans);Threaded glass bottles, plastic bottles or tinned sheet steel barrels (cans) are covered with bottom plate lattice boxes, fiberboard boxes or plywood boxes;Tin plated steel drum (can), metal drum (can), plastic bottle or metal hose corrugated box.
Precautions for storage: store in a cool, dry and well ventilated warehouse.Keep away from kindling and heat sources.The humidity in the warehouse should be no more than 85%.The package must be sealed to prevent moisture.It shall be stored separately from combustibles and acids, and mixed storage is strictly prohibited.The storage area shall be equipped with appropriate materials to contain leakage.
Transportation precautions: during railway transportation, steel drum packing can be transported by gondola.The package shall be complete and the loading shall be stable when the goods are shipped.During transportation, the container shall not leak, collapse, fall or be damaged.It is strictly prohibited to mix with combustibles or combustibles, acids, edible chemicals, etc.The transport vehicle shall be equipped with leakage emergency treatment equipment during transportation.
Related terms
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Safety terminology
S7：Keep container tightly closed.
Store in a tightly closed container.
S16：Keep away from sources of ignition - No smoking.
Keep away from ignition sources and no smoking.
S26：In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
After eye contact, immediately flush with plenty of water and seek medical advice.
S36/37/39：Wear suitable protective clothing, gloves and eye/face protection.
Wear appropriate protective clothing, gloves and eye/face protection.
S45：In case of accident or if you feel unwell, seek medical advice immediately (show the lable where possible).
In case of an accident or feeling unwell, seek medical advice immediately (show the label if possible).
