Caustic Soda; Sodium Hydroxide; Sodium Hydrate; White Caustic NaOH CAS 1310-73-2

Caustic Soda; Sodium Hydroxide; Sodium Hydrate; White Caustic NaOH CAS 1310-73-2

Sodium hydroxide, also known as caustic soda, is an inorganic compound with the molecular formula of NaOH. Sodium hydroxide has strong alkalinity and strong corrosiveness.
Packing: 25kg/bag.
Grade: food and tech grade; purity: 98.5%
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Description
Technical Parameters
Introduction

 

Name: Sodium hydroxide

CAS No: 1310-73-2

Molecular Formula: NaOH

Synonyms: caustic soda

Sodium hydroxide can be used as acid neutralizer, masking agent, precipitant, precipitation masking agent, color developer, saponifying agent, peeling agent and detergent. It has a wide range of uses.

 

Specifications

 

Food grade

Item

Specification

NaOH %

≥ 98.5

NaCO3 %

≤ 2

As %

≤ 0.0003

Pb %

≤ 0.0005

Hg %

≤ 0.00001

 

Tech grade

Item

Specification

NaOH %

≥ 98.5

NaCO3 %

≤ 0.45

NaCl %

≤ 0.02

Fe2O3 %

≤ 0.004

Packing: 25kg/bag.

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Application

 

Sodium hydroxide is used in the chemical industry to produce borax, sodium cyanide, formic acid, oxalic acid, phenol, etc.

  1. Food-grade sodium hydroxide is used as an acid neutralizer in the food industry, as a peeling agent for oranges and peaches, as a detergent for empty bottles and cans, and as a decolorizer and deodorizer.
  2. Sodium hydroxide is used in the petroleum industry to refine petroleum products and in oil field drilling muds.
  3. In addition, sodium hydroxide is also used in the production of alumina, surface treatment of metal zinc and metal copper, as well as glass, enamel, leather, medicine, dyes, paper, pesticides, soap and cosmetics industries.

 

Chemical & physical properties

 

Molecular formula

NaOH

Molecular weight

40.00

CAS NO

1310-73-2

EINECS NO

215-185-5

E NO

E524

Density

2.13 g/cm³

Appearance

White, hard (when pure), opaque crystals

Melting point

318.4 ℃

Water Solubility

418 g/L (0℃)

1000 g/L (25℃)

3370 g/L (100℃)

 

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