Occurrence Physical Properties Production
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SODIUM SULFATE DECAHYDRATE

Occurrence Physical Properties Production
Product Name
SODIUM SULFATE DECAHYDRATE
CAS No.
7727-73-3
Chemical Name
SODIUM SULFATE DECAHYDRATE
Synonyms
GLAUBER SALT;SODIUM SULPHATE DECAHYDRATE;SODIUM SULPHATE IOH2O;Mirabitite;GLAUBER'S SALT;fate decahydrate;Sodium sulfafe decah;SODIUM SULPHATE 10H2O;SodiumSulphate10H2OBp;SODIUM SULFATE 10 H2O
CBNumber
CB1247107
Molecular Formula
H20Na2O14S
Formula Weight
322.19
MOL File
7727-73-3.mol
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SODIUM SULFATE DECAHYDRATE Property

Melting point:
32-38°C
bulk density
700kg/m3
Density 
1.46 g/mL at 25 °C(lit.)
storage temp. 
Store at +15°C to +25°C.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Solid
Specific Gravity
1.46
color 
White
PH
5.2-8.0 (50g/l, H2O, 25℃)(anhydrous substance)
Water Solubility 
Soluble in water and glycerin. Insoluble in ethanol and methanol.
λmax
λ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.021
Merck 
14,8680
Stability:
Stable. Incompatible with strong acids, aluminium, magnesium.
InChIKey
RSIJVJUOQBWMIM-UHFFFAOYSA-L
LogP
-1.031 (est)
CAS DataBase Reference
7727-73-3(CAS DataBase Reference)
EPA Substance Registry System
Disodium sulfate decahydrate (7727-73-3)
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Safety

Safety Statements 
24/25
WGK Germany 
1
TSCA 
Yes
HS Code 
28331900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
403008
Product name
Sodium sulfate decahydrate
Purity
ACS reagent, ≥99.0%
Packaging
100g
Price
$73.6
Updated
2025/07/31
Sigma-Aldrich
Product number
246980
Product name
Sodium sulfate decahydrate
Purity
reagent grade, 97%
Packaging
500g
Price
$98.3
Updated
2025/07/31
Sigma-Aldrich
Product number
1.06648
Product name
Sodium sulfate decahydrate
Purity
for analysis EMSURE? ACS,Reag. Ph Eur
Packaging
1kg
Price
$149
Updated
2025/07/31
Sigma-Aldrich
Product number
1.06642
Product name
Sodium sulfate decahydrate
Purity
cryst. EMPROVE? ESSENTIAL Ph Eur,BP,JPE,USP
Packaging
2.5kg
Price
$361
Updated
2025/07/31
Sigma-Aldrich
Product number
1.06642
Product name
Sodium sulfate decahydrate
Purity
crystalline, EMPROVE? ESSENTIAL, Ph. Eur., BP, ChP, JPE, USP
Packaging
1KG
Price
$393
Updated
2025/07/31
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SODIUM SULFATE DECAHYDRATE Chemical Properties,Usage,Production

Occurrence

Sodium sulfate occurs in nature as the minerals mirabilite and thenardite. While thenardite is the anhydrous form of Na2SO4, mirabilite is a naturallyoccurring decahydrate, Na2SO4•10H2O.
Sodium sulfate is one of the most important sodium salts. The decahydrate,commonly known as the Glauber’s salt, was first prepared by Johann Glauber in the seventeenth century as a by-product in making hydrochloric acid from sulfuric acid and sodium chloride.

Physical Properties

Anhydrous sodium sulfate is a white crystalline powder; orthorhombic or hexagonal structure; hygroscopic; refractive index 1.468; hardness 2.8 Mohs; density 2.664 g/cm3; melts at 884°C; soluble in water, insoluble in ethanol.
The decahydrate consists of colorless monoclinic crystals; refractive index 1.394; hardness 1.8 Mohs; density 1.4 6g/cm3; decomposes at 32°C; soluble in water; insoluble in ethanol.

Production

Sodium sulfate is mined from its natural mineral deposits and subjected to purification. Sodium sulfate is synthesized by the Mannheim process or Hargreaves process. Manheim’s process is based on Glauber’s reaction between sulfuric acid and sodium chloride:
2NaCl + H2SO4 → Na2SO4 + 2HCl↑
The process was devised by Johann Glauber to produce hydrochloric acid. Sodium sulfate is isolated from the solution by fractional crystallization. Hargreaves’ process also was developed to produce hydrochloric acid. It is a variation of Mannheim’s method. In this method, sulfur dioxide is used instead of sulfuric acid. The reaction is as follows:
4NaCl + 2SO2 + O2 + 2H2O → 2Na2SO4 + 4HCl↑
Sodium sulfate also is obtained as a byproduct of manufacturing phenol by caustic fusion.

Chemical Properties

White or almost white, crystalline powder or colourless, transparent crystals.

Uses

Sodium sulfate decahydrate is used as a laboratory reagent to precipitate protein. It is largely used as filler in powdered home laundry detergents. It facilitates in leveling, reducing negative charges on fibers, thereby allows dye to penetrate evenly. It avoids the corrosion of stainless steel vessels used in dyeing. It is also used as a laxative and effectively replaces the drug paracetamol in the body.

Uses

Sodium sulfate decahydrate may be used to deepen the color while dyeing cotton fabrics.6

Uses

Sodium sulfate decahydrate is used in manufacturing paper pulp by the Kraft Process. Other uses are in manufacturing glass and ultramarine; in dyeing and printing textiles; as a filler in synthetic detergents; and for standardizing dyes. A major use of anhydrous sodium sulfate is as an agent to remove water from organic solvents and their extracts for organic synthesis and instrumental analysis. Sodium sulfate decahydrate is a common laboratory reagent. Also, it is used to prepare other sodium salts.

Definition

ChEBI: Sodium sulfate decahydrate is a hydrate. It has a role as a cathartic. It contains a sodium sulfate.

General Description

Sodium sulfate decahydrate (Glauber′s salt, mirabilite, Na2SO4·10H2O) is the decahydrate salt of sodium sulfate. Its crystal structure has been investigated by single-crystal neutron diffraction studies. Its crystallization enthalpy has been evaluated. It can be synthesized by reacting MnSO4, thiophene-2,5-dicarboxylic acid and sodium glutamate.

Purification Methods

Crystallise sodium sulfate from water at 30o (1.1mL/g) by cooling to 0o. It becomes anhydrous at 32o.

SODIUM SULFATE DECAHYDRATE Preparation Products And Raw materials

Raw materials

Sodium sulfate Sodium chloride BITTERN Potassium chloride

Preparation Products

Tocopheryl acetate bloedite Strontium carbonate 2-Ethylpiperazine 2-AMINO-4,6-DIFLUOROBENZOIC ACID Tanning agent,chromic Calcium phosphate Sodium sulfide Sodium sulfate 2,6-Difluoro-4-hydroxybenzonitrile Sodium bisulfate monohydrate Sodium silicate Chromium sulfate,basic,solid Silk softener L Sodium carbonate Barium sulfate
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View Lastest Price from SODIUM SULFATE DECAHYDRATE manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Sodium sulfate Decahydrate 7727-73-3
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99.5%
Supply Ability
100kg
Release date
2025-05-16
Hebei Chuanghai Biotechnology Co., Ltd
Product
Sodium Sulfate Decahydrate 7727-73-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-28
Hebei Yanxi Chemical Co., Ltd.
Product
Sodium Sulfate Decahydrate 7727-73-3
Price
US $30.00-12.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-11-03

7727-73-3, SODIUM SULFATE DECAHYDRATERelated Search:

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  • 7727-73-3