MagnesiuM bis
magnesium bis(hydrogen carbonate)
CAS: 2090-64-4
Molecular Formula: C2H2MgO6
MagnesiuM bis - Names and Identifiers
| Name | magnesium bis(hydrogen carbonate) |
| Synonyms | MagnesiuM bis Einecs 218-240-1 MAGNESIUMBICARBONATE Bis(carboxyoxy)magnesium Magnesium hydrogen carbonate magnesium bis(hydrogen carbonate) Magnesium bis(hydrogen carbonate) |
| CAS | 2090-64-4 |
| EINECS | 218-240-1 |
| InChI | InChI=1/2CH2O3.Mg/c2*2-1(3)4;/h2*(H2,2,3,4);/q;;+2/p-2 |
MagnesiuM bis - Physico-chemical Properties
| Molecular Formula | C2H2MgO6 |
| Molar Mass | 146.33868 |
| Boling Point | 333.6°C at 760 mmHg |
| Flash Point | 169.8°C |
| Vapor Presure | 2.58E-05mmHg at 25°C |
MagnesiuM bis - Nature
Open Data Verified Data
This product is hydrated basic magnesium carbonate, magnesium oxide content of 40.0% ~ 43.5%, white powder, non-toxic, odorless, almost tasteless. Stable in air, almost insoluble in water or ethanol, but can make water weakly alkaline. Dissolved in dilute acid by the evolution of carbon dioxide. Above 300 deg C decomposition, release water and carbon dioxide, magnesium oxide.
Last Update：2024-01-02 23:10:35
MagnesiuM bis - Preparation Method
Open Data Verified Data
- brine-soda ash method: first, the bitter brine and sodium carbonate solution are pretreated, and then the precipitation reaction is carried out, and the medicinal magnesium carbonate is prepared by filtration and washing, dehydration, drying, and crushing.
- magnesite metathesis method: Using ammonium sulfate solution and magnesite to carry out metathesis reaction to generate magnesium sulfate solution, and then the recovered ammonia is mixed into carbonized ammonia water, and Basic Magnesium carbonate is precipitated with magnesium sulfate solution, which is filtered and washed, dehydration, drying, grinding and other processes to prepare medicinal magnesium carbonate.
Last Update：2022-01-01 11:01:47
MagnesiuM bis - Standard
Authoritative Data Verified Data
This product is hydrated basic magnesium carbonate. The content is calculated as magnesium oxide (MgO) and should be 40.0% to 43.5%.
Last Update：2024-01-02 23:10:35
MagnesiuM bis - Trait
Authoritative Data Verified Data
- This product is white granular powder; Odorless.
- This product is almost insoluble in water or ethanol, but can make water weak alkaline; In dilute acid can bubble boiling solution.
Last Update：2022-01-01 13:42:43
MagnesiuM bis - Use
Open Data Verified Data
mainly used in the pharmaceutical industry, for the treatment of gastric and duodenal ulcer and other conditions.
Last Update：2022-01-01 11:01:46
MagnesiuM bis - Differential diagnosis
Authoritative Data Verified Data
take this product, add dilute hydrochloric acid to bubble boiling solution; Solution of magnesium salt identification reaction (General rule 0301).
Last Update：2022-01-01 13:42:43
MagnesiuM bis - Safety
Open Data Verified Data
with the lining of polyethylene plastic bag, plastic woven bag double layer packaging or plastic bag coated single layer packaging.
Last Update：2022-01-01 11:01:47
MagnesiuM bis - Exam
Authoritative Data Verified Data
acidic solution color
take this product l.Og, add glacial acetic acid solution (6-50)20ml, ultrasonic to dissolve, if necessary, filtering, the solution should be colorless; If color, with yellow green 2 = No. Standard Colorimetric solution (General rule 0901 first method) comparison, not deeper.
chloride
Take 5.0g of this product, add 20ml of water and 30ml of acetic acid to dissolve, boil for 2 minutes, let cool, filter, wash the filter residue with dilute acetic acid, combine the wash liquid and filtrate, dilute to 50ml with dilute acetic acid, as a test solution. Take 2ml, add water to make 25ml, check according to law (General rule 0801), compared with the standard sodium chloride solution 7.0ml made of the control solution, not more concentrated (0.035%).
sulfate
take 1 ml of the test solution under the item of chloride precisely, dilute it with water to make it 25ml, take 10ml of the solution, and check it according to law (General rule 0802), not more concentrated (0.5%) than the control solution made of standard potassium sulfate solution.
calcium oxide
take 5ml of the test solution under the item of chloride precisely, add 300ml of water, add 10ml of triethanolamine solution (3-10) and 10ml of 45% potassium hydroxide solution, place it for 5 minutes, add calcium red indicator 0.lg, with ethylenediamine tetraacetic acid disodium titration solution (0.Olmol/L) titration until the solution turned from magenta to blue and the results of the titration were corrected with a blank test. Each lml of ethylenediamine tetraacetic acid disodium titration solution (0.Olmol/L) is equivalent to 0.5608mg of CaO, this product containing calcium oxide shall not exceed 0.60%.
soluble salts
take this product l. After 50ml of water was added, the mixture was boiled for 5 minutes and filtered. The filtrate was evaporated to dryness on a water bath and dried at 105 ° C. For 1 hour.
insolubles in acid
take 5g of this product, add water 75ml, and then add a small amount of hydrochloric acid, with the addition of stirring until no longer dissolved, boiled for 5 minutes, filtered, filter residue washed with water until the washing solution no longer show chloride reaction, the residue should not exceed 2.5mg(0.05%).
Iron Salt
take 0.25g of this product, add 5ml of dilute nitric acid, boil for 1 minute, let it cool, dilute it with water to make 0807, and check it according to law (general rule), it should not be deeper (0.02%) than the control solution made from of standard iron solution.
Mercury
take about lg of this product for precision weighing, put it into 50ml measuring flask respectively, add 8% hydrochloric acid 30ml and 5% potassium permanganate solution 0.5ml in one part, shake well, 5% hydroxylamine hydrochloride solution was added dropwise until the purple color disappeared. The solution was diluted with 8% hydrochloric acid solution until the score was reached, and then the solution was shaken; another precision plus standard mercury solution [precise quantity of mercury single element standard solution appropriate amount, quantitative dilution with water made per 1 ml of mercury (Hg)0.lug solution] 5ml, operated in the same manner, as a control solution. According to Atomic Absorption Spectrophotometry (General rule 0406 second method), measured at the wavelength of 253.6nm, should comply with the regulations (0.00005%).
Heavy metals
take 5ml of the test solution under the chloride item, add 1 drop of phenolphthalein indicator solution and an appropriate amount of ammonia test solution to make the solution light red, and add acetate buffer (pH 3.5) the mixture is mixed with an appropriate amount of 0.5 and water, and then added with 0821g of ascorbic acid. After dissolving, the mixture is checked according to law (General rule method 1) and allowed to stand for 5 minutes for color comparison, and the content of heavy metals shall not exceed 30 parts per million.
arsenic salt
Take 10ml of the test solution under the item of chloride accurately, add 5ml of hydrochloric acid, add water to make 28ml, check according to law (General Principles 0822 first law), should comply with the regulations (0.0002%).
Last Update：2022-01-01 13:42:45
MagnesiuM bis - Content determination
Authoritative Data Verified Data
take about lg of this product, weigh it accurately, add 5ml of water to wet it, add 30ml of sulfuric acid titration solution (0.5mol/L) to dissolve it, add 1 drop of methyl orange indicator solution, titrate with sodium hydroxide titration solution (1 mol/L); Subtract the volume (ml) of mixed calcium oxide from the volume (ml) of consumption sulfuric acid titration solution (0.5mol/L), calculation. Each 1 ml of sulfuric acid titration solution (0.5mol/L) corresponds to 20.15mg of MgO or 28.04mg of CaO.
Last Update：2022-01-01 13:42:45
MagnesiuM bis - Category
Authoritative Data Verified Data
antacids.
Last Update：2022-01-01 13:42:46
MagnesiuM bis - Storage
Authoritative Data Verified Data
sealed storage.
Last Update：2022-01-01 13:42:46
MagnesiuM bis - Reference Information
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |
Last Update：2024-04-09 20:49:11
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Product Name: magnesium bis(hydrogen carbonate) Request for quotationCAS: 2090-64-4
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Product Name: magnesium bis(hydrogen carbonate) Request for quotation
CAS: 2090-64-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
CAS: 2090-64-4
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840
Wechat: 0086 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Product Name: magnesium bis(hydrogen carbonate) Request for quotation
CAS: 2090-64-4
Tel: 021-52210848
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QQ: 727190627Send QQ message
CAS: 2090-64-4
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