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HomeProduct name listManganese(II) sulfate monohydrate

Manganese(II) sulfate monohydrate

Synonym(s):Manganese(II) sulfate monohydrate;Manganous(II) sulfate hydrate

  • CAS NO.:10034-96-5
  • Empirical Formula: H2MnO5S
  • Molecular Weight: 169.02
  • MDL number: MFCD00149159
  • EINECS: 600-072-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-30 18:52:02
Manganese(II) sulfate monohydrate Structural

What is Manganese(II) sulfate monohydrate?

Chemical properties

Pale pink crystalline powder, slightly hygroscopic

The Uses of Manganese(II) sulfate monohydrate

Manganese sulfate monohydrate is used to produce manganese by an electrolytic process. The compound is used for dyeing textiles; for producing red glazes on porcelain; in varnish driers; in fertilizers; and in animal feeds to provide manganese as an essential trace element.

The Uses of Manganese(II) sulfate monohydrate

Manganese Sulfate is a source of manganese that functions as a nutrient and dietary supplement. It exists as a powder which is readily soluble in water.

The Uses of Manganese(II) sulfate monohydrate

Manganese(II) sulfate monohydrate is used as a colorant in dyes, fertilizers, animal feeds and red glazes on porcelain. Further, it is used in paints, ceramics, nutrient and dietary supplement. It is involved in the preparation of manganese dioxide. In addition, it serves as a precursor to manganese metal and other manganese compounds.

What are the applications of Application

Manganese(II) sulfate monohydrate is a preparation of manganese for investigations

Preparation

Manganese(II) sulfate is prepared by prolonged heating of any manganese salt with concentrated sulfuric acid. The compound is produced commercially from pyrolusite (MnO2) or rhodochrosite (MnCO3). Either mineral is dissolved in sulfuric acid and the solution evaporated:
MnO2 + H2SO4 → MnSO4 + H2O + ½ O2
Alternatively, manganese dioxide is heated strongly with dehydrated iron(II) sulfate:
2MnO2 + 2FeSO4 → 2MnSO4 + Fe2O3 + ½ O2
Manganese(II) sulfate, prepared by methods involving evaporation of manganese salt with sulfuric acid, is the tetrahydrate, MnSO4•4H2O. The tetrahydrate on gentle heating produces monohydrate, MnSO4•H2O.
Also, manganese(II) sulfate is a by-product in the manufacture of hydroquinone. The process involves reaction of aniline with manganese dioxide in sulfuric acid, followed by the removal of quinone by steam distillation under vacuum.
2C6H5NH2 (aniline) + 5H2SO4 + 4MnO2 → 2C6H4O2 + 4MnSO4 + 2C6H4O2 + 4MnSO4(quinone)
The unreacted acid is neutralized by lime, treated with water, and the solution filtered to separate any excess MnO2 and insoluble residues. Evaporation of the filtrate yields a crude product containing about 80% MnSO4 and 15% (NH4)2SO4.
Manganese(II) sulfate also may be produced by the action of sulfur dioxide with manganese dioxide:
MnO2 + SO2 → MnSO4

Definition

ChEBI: Manganese(II) sulfate monohydrate is a hydrate that is the monohydrate form of manganese(II) sulfate. It has a role as a nutraceutical. It is a hydrate, a manganese molecular entity and a metal sulfate. It contains a manganese(II) sulfate.

General Description

Odorless pale red slightly efflorescent crystals or light pink powder. pH (5% solution) 3.7.

Air & Water Reactions

Water soluble. Hygroscopic.

Reactivity Profile

Manganese(II) sulfate hydrate is incompatible with aluminum and magnesium.

Fire Hazard

Flash point data for Manganese(II) sulfate hydrate are not available; however, Manganese(II) sulfate hydrate is probably combustible.

Biochem/physiol Actions

Manganese sulfate has various industrial applications such as dyeing, porcelain glazing, and the manufacture of fertilizers and boiling oils. MnSO4 is used as a source of manganese ion in biological research, such as in culturing of Bacillus licheniformis and the induction of chromosomal abnormalities in plants. MnSO4 has been utilized to investigate the enzyme dependent glycosylation of endogenous glycoproteins in human skeletal muscle.

Purification Methods

Crystallise it from water (0.9mL/g) at 54-55o by evaporating about two-thirds of the water. It dehydrates above 400o.

Properties of Manganese(II) sulfate monohydrate

Melting point: 700 °C
Boiling point: 850 °C
Density  2.95
storage temp.  Store at +15°C to +25°C.
solubility  5-10 g/100 mL at 21°C
form  Solid
color  Pink
PH 3.0-3.5 (50g/l, H2O, 20℃)
Water Solubility  5-10 g/100 mL at 21 ºC
Sensitive  Hygroscopic
Merck  14,5739
Exposure limits ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3
OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
CAS DataBase Reference 10034-96-5(CAS DataBase Reference)
EPA Substance Registry System Manganese(II) sulfate monohydrate (10034-96-5)

Safety information for Manganese(II) sulfate monohydrate

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H318:Serious eye damage/eye irritation
H373:Specific target organ toxicity, repeated exposure
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P314:Get medical advice/attention if you feel unwell.
P391:Collect spillage. Hazardous to the aquatic environment
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Manganese(II) sulfate monohydrate

InChIKey ISPYRSDWRDQNSW-UHFFFAOYSA-L

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