
Pure sodium hydroxide is a white solid, easily soluble in water, and the aqueous solution has astringency and a greasy feel. Sodium hydroxide easily absorbs water when exposed to the air, the surface is wet and gradually dissolves, and its relative density is 2.130. Melting point 318.4 ºC. Boiling point 1390 ºC. There are two kinds of solid and liquid: pure solid caustic soda is white, in block, flake, rod, granular, and brittle; pure liquid caustic soda is colorless and transparent liquid. Solid caustic soda has strong hygroscopicity. Easily soluble in water, exothermic when dissolving, the aqueous solution is alkaline and has a greasy feeling; soluble in ethanol and glycerol; insoluble in acetone and ether. It is extremely corrosive and has a corrosive effect on fibers, skin, glass, ceramics, etc. It reacts with metal aluminum and zinc, non-metallic boron and silicon to release hydrogen; it undergoes disproportionation reaction with halogens such as chlorine, bromine and iodine; it neutralizes with acids to generate salt and water.
sodium hydroxide (sodium hydrate)
Molecular Formula:NaOH
CAS No. : 1310-73-2
EINICS NO.: 215-185-5
HS: 2815110000
HAZARD CLASS: 8
Appearance: white crystals or colorless liquid
Grade Standard: industrial grade,food grade,reagent grade
Quality standard:
Standard: National standard
Can manufacture as per customer's special demand
Accept third part inspection
Item | Quality Index | Results |
Total alkali content | 99.2% min | 99.51% |
Chlorides (NaCl) | 0.7% max | 0.46% |
Sulphate(SO4) | 0.03% max | 0.015% |
Iron(Fe2O3) | 0.004% max | 0.001% |
Water insoluble matter | 0.04% max | 0.01% |
Result | First grade |
Caustic soda Solid | Caustic soda Liquid |
99%min,96%min | 50% |
When sodium hydroxide is used as a basic reagent, it can be used as a neutralizing agent, a masking agent, a precipitating agent, a precipitation masking agent, a small amount of carbon dioxide and water absorbent, a color developer for the determination of ketosterol by thin layer analysis, etc. It is widely used. It is used in the manufacture of various sodium salts, soaps, pulp, finishing cotton fabrics, silk, viscose fibers, regeneration of rubber products, metal cleaning, electroplating, bleaching, etc.
The company With complete hydrochloric acid (HCl), sulfuric acid (H2SO4), MEK export certificate and license, export volume is huge.The company's annual production capacity is formic acid, glacial acetic acid,sodium formate 600,000 tons, hydrochloric acid, sulfuric acid 300,000 tons.Products include hydrochloric acid (HCl), sulfuric acid (H2SO4), formic acid, sodium formate, formaldehyde/formalin,oxalic acid, sodium hydrogen sulfide, sodium hypochlorite and urea.
The company is willing to good reputation, excellent quality to cooperate with you hand in hand! We have independent laboratories and powerful research powder to help our customers, including research institutes, universities and pharmaceutical companies, to research synthetic intermediates and products that are still within the scope of proprietary technology. With modern equipment and experienced workers, our products sell well in more than 20 provinces in China and are exported to North America, Europe, Africa and Australia. The company sincerely hope to develop with your company, mutual benefit and create a better future!

1) Competitive price
2) Packing: Your label design according to your requirements ready in one day
3) Experience: 10 years OEM experience
4) Goods are sold with return or refund guarantee due to quality issue
5) Prompt shipment by reputed shipping line and professional documents
6) Cargo photos before and after loading into container after shipment
7) Quality control
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9) Payment term: Experienced in making D/P and L/C docs.
Applications: Sodium hydroxide is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.

Caustic soda Solid | Caustic soda Liquid |
25kg/bag for solid | IBC drum or 25L drum for liquid |
Or as your demand |


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