Foshan Huahao Chemical Co., Ltd. Electrochemical Factory

Huahao Chemical

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  • Sodium hydroxide

Sodium hydroxide

Chlor-alkali products

Product Description

National Food Safety Standard Food Additives  Sodium hydroxide(GB 1886.20-2016)
Sodium hydroxide liquid for industrial use(GB 209—2006)

 

Chemical name  Sodium hydroxide
     Molecular formula: NaOH
     Molecular weight: 39.997

Model specification   liquid, 30%

Properties   pure sodium hydroxide liquid is colorless liquid. Relative density (20℃) is 1.36g/cm3.

Quality standard

National Food Safety Standard Food Additives  Sodium hydroxide(GB 1886.20-2016)

Item

Technical index

Appearance

Clear or slightly turbid, colorless or slightly-colored liquid

Sodium hydroxide (NaOH), w/%

30.0~31.05

Sodium carbonate(Na2CO3), w/%

≤ 0.60

Arsenic (as As), /(mg/kg)

≤3.0

Heavy metal (Pb), /(mg/kg)

≤5

Insoluble matter and organic impurities

Completely clear, colorless or slightly colored

Mercury (Hg), /(mg/kg)

≤0.1

 

 

Sodium hydroxide liquid for industrial use(GB 209—2006)

Item

Technical index

Appearance

Thick liquid

Sodium hydroxide (NaOH), %

≥ 30.0

Sodium carbonate(Na2CO3), %

≤ 0.50

Sodium chloride, %

≤5.0

Ferric oxide, %

≤0.008

Uses   
1. Used as a saponification agent in soap making industry.
2. In printing and dyeing industry, it is used as dewaxing mercerizing agent for grey cloth and neutralizing agent for excess acid.
3. Used as causticizer in paper industry.
4. Used as soaking agent in leather industry.
5. Used as a neutralizer in the raw water treatment process of drinking water.
6. The product is used as refined fish oil, cottonseed oil, peanut oil, soybean oil and other items in the oil industry.
7. The product is a refined chemical preparation for petroleum fractionation in the petroleum industry.
8. Used as chemical raw materials to make other products.
9. Food additive sodium hydroxide is used as a processing aid in the food industry.

Packaging, transportation and storage  Sodium hydroxide is shipped in tankers or storage tanks to prevent collisions during transportation and acid contact during storage. The shelf life is one year at room temperature.

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