bischofite
Magnesium chloride
CAS: 7786-30-3;14989-29-8
Molecular Formula: Cl2Mg
bischofite - Names and Identifiers
bischofite - Physico-chemical Properties
| Molecular Formula | Cl2Mg |
| Molar Mass | 95.21 |
| Density | 2.32 g/mL at 25 °C (lit.) |
| Melting Point | 714 °C (lit.) |
| Boling Point | 1412 °C/1 atm (lit.) |
| Water Solubility | 400 G/L (20 ºC) |
| Solubility | Soluble in water (542 mg/ml at 20 °C), alcohol, methanol (15.5 g/100g at 0 °C), and |
| Appearance | White powder |
| Specific Gravity | 2.41 |
| Color | colorless |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.05', , 'λ: 280 nm Amax: 0.03'] |
| Merck | 14,5662 |
| PH | 5.0-7.5 (25℃, 1M in H2O) |
| Storage Condition | 2-8°C |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Refractive Index | n20/D 1.336 |
| MDL | MFCD00011106 |
| Physical and Chemical Properties | Melting Point: 714°C(lit.) Boiling Point: 1412°C density: 2.32g/mL at 25°C(lit.) refractive index: n20/D 1.336 storage condition: 2-8°C solubility: H2O: soluble form :powder sensitivity: hydrogen Merck :14,5662 pure product is colorless monoclinic crystal. Industrial products are usually yellow-brown in color. Bitter and salty taste. |
| Use | Used in the manufacture of metal magnesium, disinfectant, fire extinguishing agent, frozen salt water, ceramics, and for filling fabrics, paper making and other aspects; Curing agent; Nutrition enhancer; Flavor agent (with magnesium sulfate, salt, calcium hydrogen phosphate, combined use of calcium sulfate and the like; A leavening agent for Japanese sake and the like; A water removing agent (for fish cakes, in an amount of 0.05% to 0.1%); And a tissue improving agent (used in combination with a polyphosphate salt as an elasticity enhancing agent for surimi products). Because of the strong bitter taste, the usual dosage is less than 0.1%. |
bischofite - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. S39 - Wear eye / face protection. |
| WGK Germany | 1 |
| RTECS | OM2800000 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 28273100 |
| Toxicity | LD50 orally in Rabbit: 2800 mg/kg |
bischofite - Upstream Downstream Industry
| Raw Materials | Carnallite Octadecylamine Bromine Hydrochloric acid |
| Downstream Products | Carnallite Magnesium Carbonate magnesium D-gluconate hydrate Magnesium Stearate |
bischofite - Reference
| Reference Show more | 1. Dehai Li, Xiaoran Zhu, Lu Wang, et al. Salting-out assisted enzymatic extraction of Aralia saponin and its antioxidant activity [J]. Modern food science and technology, 2018, v.34;No.232(12):31 135-142. 2. Qian Weidong, Fu Yunfang, Hu Na. Study on fermentation conditions of lactase production by Klyveromyces lactis yeast [J]. Chinese agricultural bulletin, 2012. 3. Yang Yutong, Zhang Qingsuo, Fu Yunlin, Sun Jing. Composition, stability and anti-oxidation activity of the pigment from the heartwood of carthami [J]. Forestry Science, 2021,57(03):126-134. 4. Zheng, Li, et al. "Gel properties and structural characteristics of soy protein isolated treated with different salt ions before drying combined with dynamic high-pressure micro-fluidization." Food and Bioproducts Processing 125 (2021): 68-78.https:// 5. Liang Yan, Yongqi Ke, Yuhe Kan, Dao Lin, Jingkui Yang, Yujian He, Li Wu, New insight into enzymatic hydrolysis of peptides with site-specific amino acid d-isomerization, Bioorganic Chemistry, Volume 105, 2020, 104389, ISSN 0045-2068, https://doi.org/10.101 6. [IF=6.119] Peng Jin et al."Efficient bioconversion of high-concentration D-fructose into D-mannose by a novel N-acyl-D-glucosamine 2-epimerase from Thermobifida halotolerans."Catal Sci Technol. 2021 Mar;11(5):1922-1930 7. [IF=5.279] Xing Lv et al."The Enhancement of Antiviral Activity of Chloroinconazide by Aglinate-based Nanogel and Its Plant Growth Promotion Effect."J Agr Food Chem. 2021;69(17):4992-5002 8. [IF=5.275] Liang Yan et al."New insight into enzymatic hydrolysis of peptides with site-specific amino acid d-isomerization."Bioorg Chem. 2020 Dec;105:104389 9. [IF=5.275] Liang Yan et al."New insight into enzymatic hydrolysis of peptides with site-specific amino acid d-isomerization."Bioorg Chem. 2020 Dec;105:104389 10. [IF=4.821] Yixin Nie et al."Nitrogen-rich quantum dots-based fluorescence molecularly imprinted paper strip for p-nitroaniline detection."Microchem J. 2019 Jul;148:162 11. [IF=4.481] Li Zheng et al."Gel properties and structural characteristics of soy protein isolate treated with different salt ions before spray drying combined with dynamic high-pressure micro-fluidization."Food Bioprod Process. 2021 Jan;125:68 12. [IF=3.361] Xueyan Hao et al."Superior anti-infective potential of eugenol-casein nanoparticles combined with polyethylene glycol against Colletotrichum musae infections."Rsc Adv. 2021 Jan;11(8):4646-4653 13. [IF=7.514] Supan Cheng et al."Surface-anchored liquid crystal droplets for the semi-quantitative detection of Aflatoxin B1 in food samples."FOOD CHEMISTRY. 2022 Oct;390:133202 14. [IF=7.514] Shengnan Zhu et al."Enzymic catalyzing affinity to substrate affects inhibitor-enzyme binding interactions: Inhibition behaviors of EGCG against starch digestion by individual and co-existing α-amylase and amyloglucosidase."FOOD CHEMISTRY. 2022 Sep;388:133 |
bischofite - Nature
Open Data Verified Data
White Crystal, moisture absorption, easy deliquescence. He has bitter Wei taste. Containing magnesium chloride 45% ~ 50%. The relative density was 1569. Soluble in water and alcohol.
Last Update：2024-01-02 23:10:35
bischofite - Preparation Method
Open Data Verified Data
the mother liquor containing magnesium chloride was concentrated by evaporation, and then the concentrated liquor was cooled to crystallize and separated to obtain a final magnesium chloride product.
Last Update：2022-01-01 09:04:25
bischofite - Standard
Authoritative Data Verified Data
This product contains magnesium chloride (MgCl2 • 6H20) should be 98.0% ~ 101.0%.
Last Update：2024-01-02 23:10:35
bischofite - Trait
Authoritative Data Verified Data
- This product is colorless and transparent crystal or crystalline powder; Odorless, bitter taste; Easy deliquescence.
- This product is soluble in water or ethanol.
Last Update：2022-01-01 11:26:59
bischofite - Introduction
It tastes bitter. Very high moisture absorption. Easily soluble in water and ethanol, the aqueous solution is neutral.
Last Update：2022-10-16 17:28:48
bischofite - Use
Open Data Verified Data
medical dialysis solution.
Last Update：2022-01-01 09:04:25
bischofite - Differential diagnosis
Authoritative Data Verified Data
The product of the aqueous solution of magnesium salt and chloride identification reaction (General 0301).
Last Update：2022-01-01 11:27:00
bischofite - Safety
Open Data Verified Data
should be sealed and stored in a cool, dry place, during transport to prevent rain and sun exposure. When loading and unloading, handle with care to prevent packaging damage. When there is a fire, it can be suppressed by sand and various kinds of fire extinguisher.
Last Update：2022-01-01 09:04:26
bischofite - Exam
Authoritative Data Verified Data
acidity
take this product lg, add water 20ml, dissolve, according to the law (General 0631), pH value should be 4.5~7.0.
clarity and color of solution
take 0901G of this product, add 25ml of water to dissolve, check according to law (General rule 0902 and general rule), the solution should be clear and colorless.
chloride
take 2.og of this product, put it in a 100ml measuring flask, add water to dissolve and dilute to the scale, shake well, take 5ml accurately, put it in a 10ml colorimetric tube, add phenol red mixture [take ammonium sulfate 25mg, add 235ml of water, 105ml of 2mol/L sodium hydroxide solution and 135ml of 2mol/L acetic acid solution, shake well, add phenol red solution (33mg of phenol red, add 2mol/L sodium hydroxide solution 1 .5ml, add water to dissolve and dilute to 4.7 ml, shake well, then get) 25ml, shake well, if necessary, adjust the pH value to] 2.0ML and 0.01% chloramine-T solution (ready for new preparation) 1.0ML, mix immediately, place accurately for 2 minutes, add 0.1 mol/L sodium thiosulfate solution 0.15ml, diluted with water to the scale, shake, as a test solution; Another standard potassium bromide solution (precision weighing 105°C dry to constant weight potassium bromide 30mg, add water to dissolve into 100ml, shake well, take 5ml accurately, put it in a 100ml measuring flask, dilute it to the scale with water, and shake well to obtain it. Each 1 ml of solution corresponding to 10ug of Br)5.0ml was placed in a 10ml cuvette and prepared in the same manner as a control solution. Take the control solution and the test solution, according to ultraviolet-visible spectrophotometry (General rule 0401), with water as blank, measure absorbance at 590nm, the absorbance of the test solution shall not be greater than that of the control solution (0.05%).
sulfate
take 2.0g of this product and check it according to law (General rule 0802). Compared with the control solution made of 0.01% of standard potassium sulfate solution, it should not be more concentrated ().
moisture
take this product, according to the moisture determination method (General 0832 first method 1), the moisture content should be 51.0% ~ 55.0%.
aluminum salt (for the preparation of hemodialysis solution)
take 4.0g of this product, add 100ml of water to dissolve, and add 10ml of acetic acid-ammonium acetate buffer (pH6.0) as the test solution; take another aluminum standard solution (take an appropriate amount of aluminum single element standard solution with precise amount, and make a solution containing 2ug of aluminum per 1 ml by quantitative dilution with water) 2.0, add 98ml of water and acetic acid-ammonium acetate buffer (pH6.0) 10ml was used as a control solution; 10ml of an acetic acid-ammonium acetate buffer (pH 6.0) was added thereto, and 100ml of water was added as a blank solution. The above three kinds of solutions were transferred to the separatory funnel, and extracted three times (20, 20, 10ml) with 0.5% 8-hydroxyquinoline three methane solution, and the combined extracts were placed in a 50ml measuring flask, add chloroform to the scale, shake well, according to fluorescence analysis (General 0405) determination, at the excitation wavelength of 392mn, emission wavelength of 518nm, the fluorescence intensity of the test solution should not be greater than that of the control solution (parts per million).
barium salt
Take lg of this product, add 10ml of water, add lmol/ L of sulfuric acid solution lml, do not produce turbidity within 2 hours.
calcium salt
take 0.10g of this product, add 15ml of water to dissolve, add 1ml of acetic acid solution (2mol/L), and try 1ml of ammonium oxalate, shake well, place for 15 minutes, if it is turbid, with the standard calcium solution [precision weigh 2.5g of calcium carbonate dried to constant weight at 105-110°C, put it in a 1000ml measuring flask, add 12ml of acetic acid solution (6mol/L) to dissolve, dilute it with water to the scale, shake well; Before use, take lOml accurately, put it in another 1000ml measuring flask, dilute it with water until it is graduated, and shake well to obtain it, each 1ml is equivalent to 10ml of Ca of lOug. The control solution prepared by the same method should not be more concentrated (0.1%).
potassium salt
take 5g of this product, add 5ml of water, add 0.2ml of sodium hydrogen tartrate solution, and do not produce mud pool within 5 minutes.
Iron Salt
take 0807g of this product and check it according to law (General rule 0.001%). Compared with the control solution made of standard iron solution, it should not be deeper ().
Heavy metals
take this product l. After adding 20ml of water to dissolve, add 2ml of dilute acetic acid and an appropriate amount of water to make 25ml, and check according to law (General rule 0821, Law 1), containing no more than 10 parts per million of heavy metals.
arsenic salt
take l.Og of this product, add 23ml of water to dissolve, add 5ml of hydrochloric acid, check according to law (General rule 0822 first method), arsenic content shall not exceed 0.0002%.
Last Update：2022-01-01 11:27:01
bischofite - Content determination
Authoritative Data Verified Data
take about 0.3g of this product, weigh it accurately, add 50ml of water to dissolve, add 10ml of ammonia-ammonium chloride buffer solution (pH10.0), and a small amount of Chrome Black T indicator, with ethylenediamine tetraacetic acid disodium titration solution (0.05mol/U titration to solution from purple to pure blue, that is. Each 1 ml of disodium ethylenediaminetetraacetate titration solution (0.05mol/L) corresponds to 10.17mg of mgcl2.6hzo.
Last Update：2022-01-01 11:27:02
bischofite - Category
Authoritative Data Verified Data
pharmaceutical excipients, osmotic regulator, local analgesic, buffer.
Last Update：2022-01-01 11:27:02
bischofite - Storage
Authoritative Data Verified Data
sealed storage.
Last Update：2022-01-01 11:27:02
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Raw Materials for bischofite
Downstream Products for bischofite