Caustic soda flake 99% min Caustic Soda Pearls
$780≥27Metric Ton
Payment Type: | L/C,T/T,D/P |
Incoterm: | FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDU |
Min. Order: | 27 Metric Ton |
Transportation: | Ocean,Land |
Port: | TIANJIN,QINGDAO,Wuhan |
$780≥27Metric Ton
Payment Type: | L/C,T/T,D/P |
Incoterm: | FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDU |
Min. Order: | 27 Metric Ton |
Transportation: | Ocean,Land |
Port: | TIANJIN,QINGDAO,Wuhan |
Model No.: 98%min.
Classification: Caustic Soda
Grade: Industrial Grade, Reagent Grade, Food Grade
Place Of Origin: China
Apperance: white solid
Purity: 98%min.
Na2CO3: 0.8%max.
NaCl: 0.008%max.
we know that Sodium Hydroxide or Caustic soda is a white, odorless, nonvolatile alkaline material marketed in solid form as pellets, flakes, clumps, or sticks. Its solubility in water is 111% by weight and a vapor pressure of 0mmHg (NIOSH, 1994). This product can react with tricholoethylene (TCE) to form flammable dichloroacetylene and with metals to form hydrogen gas (OEHHA, 1993). Its reactivity with metals should be considered in regards to storage units and containers.
1) Basic information for the Sodium Hydroxide
Product name: Sodium Hydroxide
Alias: Aetznatron; Augus hot rod;caustic flake;caustic soda ,bead; caustic soda,bead(dot) ;hydroxydede sodium (solide) ;hydroxydedesodium(solutions);
CAS No.: 1310-73-2
EINECS: 215-185-5
Molecular Formula (MF): NaOH
Molecular Weight (MW): 40.0
2) Physical and chemical properties
Appearance: white,orthogonal crystals; odorless;
Specific density: 2.13 g/ml;
Melting point: 318 Celsius degree;
Product specification: assay (as NaOH) 98% min.; sodium carbonate (Na2CO3) 0.8% max; sodium chloride (NaCl) 0.05% max.
Packing: 25kg or 50kg woven bag;
3) Notice on Safety information:
Danger Class: 8;
Risk Statements 36/38-35-34;
UN NO. Under IMDG: 1823/1824;
Packing Group: II
Toxicity: LD orally in rabbits: 500 mg/kg (10% soln) (Fazekas);
Storage: Sodium hydroxide should be stored in an airtight nonmetallic container in a cool, dry place. When exposed to air, sodium hydroxide rapidly absorbs moisture and liquefies, but subsequently becomes solid again owing to absorption of Carbon dioxide and formation of sodium carbonate.
4) Uses:
Sodium hydroxide is sold commercially as anhydrous flakes or pellets or as 30-50% aqueous solutions. It has countless industrial uses and is one of the top 10 chemical in terms of production and use on a global scale. Approximately 15 million tons of sodium hydroxide is used annually. Its largest use, consuming about half of its production, is as a base in producing other chemicals. It is used to control pH and neutralize acids in chemical processes. The paper industry makes extensive use of sodium hydoxide in the pulping process. Sodium hydroxide is used to separate fibers by dissolving the connecting lignin. It is used in a similar fashion in the production of rayon from cellulose. Sodium hydroxide is a key chemical in the soap industry.In the saponification process, triglycerides obtained from animal and plants are heated in abasic solution to give glycerol and soap:
Sodium hydroxide is used in the textile industry for bleaching and treating textiles to makethem dye more readily. The petroleum industry uses sodium hydroxide in drilling muds and asa bactericide. Sodium hypochlorite (NaOCl) is used extensively for cleaning and as a disinfectant .Common household bleach consists of about 5% sodium hypochlorite solution. Sodium hypochlorite is prepared by reacting chlorine with sodium hydroxide: Cl2(g) + 2NaOH(aq) →NaOCl(aq) + NaCl(aq) + H2O(l). Sodium hydroxide is used in the food industry for peeling fruits and vegetables. Sodium hydroxide is a minor ingredient in many common household products, but in a few it may constitute more than half of the product. Dranocrystals contain between 30% and 60% sodium hydroxide and some drain cleaners can consist of 100% sodium hydroxide.
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