MAGNESIUM SULFATE-1-HYDRATE
magnesium sulfate monohydrate
CAS: 14168-73-1
Molecular Formula: H2MgO5S
MAGNESIUM SULFATE-1-HYDRATE - Names and Identifiers
| Name | magnesium sulfate monohydrate |
| Synonyms | KIESERITE magnesiumsulfatemono MAGNESIUM SULFATE, HYDROUS MAGNESIUM SULPHATE HYDRATE MAGNESIUM SULFATE-1-HYDRATE Magnesium sulfate,monohydrate magnesium sulfate monohydrate MAGNESIUM SULFATE MONOHYDRATE SULFURIC ACID MAGNESIUM SALT HYDRATE |
| CAS | 14168-73-1 |
| EINECS | 604-246-5 |
| InChI | InChI=1/Mg.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;/p-2 |
MAGNESIUM SULFATE-1-HYDRATE - Physico-chemical Properties
| Molecular Formula | H2MgO5S |
| Molar Mass | 138.38 |
| Density | 2.57g/mLat 25°C(lit.) |
| Melting Point | 150°C (dec.)(lit.) |
| Water Solubility | H2O: 37.1% (67.5°C), 8% (170°C), 0.5% (240°C) [KIR81] |
| Appearance | colorless monoclinic crystals |
| Storage Condition | Room Temprature |
MAGNESIUM SULFATE-1-HYDRATE - Risk and Safety
| WGK Germany | 1 |
| RTECS | OM4500000 |
| FLUKA BRAND F CODES | 3 |
MAGNESIUM SULFATE-1-HYDRATE - Nature
Open Data Verified Data
MgS04-H20 is a colorless monoclinic prism crystal with deliquescence. Apparent density: cancellous 1008/m2, dense 1024/m2. Soluble in water, slightly soluble in glycerol and alcohol, insoluble in acetone and acetic acid. Anhydrous magnesium sulfate is produced by dehydration at 320~330 ℃. See magnesium sulfate heptahydrate for other properties.
Last Update：2024-01-02 23:10:35
MAGNESIUM SULFATE-1-HYDRATE - Preparation Method
Open Data Verified Data
magnesium sulfate monohydrate was obtained mainly by dehydration drying at 200 ° C. Or higher with crystals of magnesium sulfate heptahydrate. Can also be magnesium sulfate solution [80~90 ℃,1.370~1.384g/cm3 (39 ~ 400Be)], heat preservation and clarification, the clear liquid in the high temperature and high pressure crystallization kettle, rose to 180 ℃, insulation
Crystallization, exhaust, immediately after separation, preparation of magnesium sulfate monohydrate. In addition, the direct reaction of the bitter Earth powder with concentrated sulfuric acid can be used to prepare the fertilizer grade magnesium sulfate monohydrate.
Last Update：2022-01-01 11:01:52
MAGNESIUM SULFATE-1-HYDRATE - Use
Open Data Verified Data
see magnesium sulfate heptahydrate.
Last Update：2022-01-01 11:01:52
MAGNESIUM SULFATE-1-HYDRATE - Safety
Open Data Verified Data
see magnesium sulfate heptahydrate.
Last Update：2022-01-01 11:01:52
MAGNESIUM SULFATE-1-HYDRATE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | magnesium sulfate monohydrate is a white flowable powder, soluble in water, slightly soluble in alcohol, insoluble in acetone. Because magnesium is one of the main components of chlorophyll, people usually use magnesium sulfate monohydrate as a fertilizer and mineral water additive. The advantage of magnesium sulfate over other fertilizers is its higher solubility. |
| effect | magnesium sulfate fertilizer is a two-element fertilizer widely used in agriculture and forestry. Magnesium is the core element of chlorophyll. It can accelerate the synthesis of various substances, improve disease resistance, promote the activation of enzymes, promote the loosening of the compacted soil, make the plant's root system developed and fully absorbed, increase chlorophyll, promote growth, and shorten The growth cycle can significantly improve the brightness, color and taste of the fruit. Magnesium fertilizer can be well supplemented for crops and soil, especially in the early stages of plant growth. Adequate magnesium supply helps to establish a balanced and healthy root system to absorb water and other nutrients. Magnesium and sulfur have extensive influence on metabolic processes and are the key to high yield and high quality. Magnesium sulfate fertilizer is easy to absorb and does not damage the soil PH value. |
| apply | magnesium sulfate fertilizer can be used alone or as a component of compound fertilizer. Magnesium sulfide fertilizer can be directly used as base fertilizer, top dressing and foliar fertilizer; it can be used in traditional agriculture but also in high value-added fine agriculture, flowers and soilless cultivation. |
| application status | magnesium sulfate monohydrate is an important inorganic agricultural product, which is very popular in domestic feed and fertilizer industries. When manufacturing compound fertilizer, magnesium sulfate monohydrate is used as a drying additive, which is not only economical and practical, cheap and easy to obtain, but also obviously improves product performance. During storage and transportation, there will be no hardening into blocks, and the material flow of the production line will be increased. Increase product output. In addition, because magnesium sulfate monohydrate is rich in two medium elements, sulfur and magnesium, which are beneficial to crop growth, magnesium sulfate monohydrate is used as a special compound fertilizer drying additive, which not only solves the problem of product drying, but also improves the yield of compound fertilizer. The effect further increases the crop yield, and the benefit is very significant. |
| production method | the production principle of magnesium sulfate monohydrate is that concentrated sulfuric acid directly reacts with light burned powder (bitter soil powder) or crushed magnesite ore to obtain fertilizer grade magnesium sulfate monohydrate. The following detailed overview: first, sulfuric acid and magnesium oxide containing mineral powder (dolomite, chestnut, serpentine) or its calcined powder are measured in proportion; add water or washing water and mother liquor in the neutralization tank, slowly add mineral powder under stirring, then add sulfuric acid for neutralization reaction, control the slurry pH = 5, density at 1.370~1.384g/cm3; the neutralization liquid is kept at 80 degrees for a certain period of time, filtered by a blade filter, and the clear liquid is driven into the crystallizer. Cooling to below 30 degrees, centrifugal separation (which can be washed in a centrifuge), wet material is sent to a dewatering dryer, and magnesium sulfate monohydrate is prepared by dehydration and drying above 200 degrees. |
Last Update：2024-04-10 22:29:15
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