FLORISIL(R) PR NORMAL-PHASE ADSORBENT
Magnesium silicate
CAS: 1343-88-0
Molecular Formula: MgO3Si
FLORISIL(R) PR NORMAL-PHASE ADSORBENT - Names and Identifiers
| Name | Magnesium silicate |
| Synonyms | avibest Florisil bitesorb40 Florisil 60 FLORISIL(TM) Florisil (R) FLORISIL(R) TLC Magnesium silicate FLORISIL, -200 MESH FLORISIL ABSORBENT Magnesia-silica gel Magnesium silicates FLORISIL, 60-100 MESH Magnesium hexasilicate magnesium oxosilanediolate FLORISIL(R) PR, 60-100 MESH Silicic acid, magnesium salt FLORISIL(R) PR NORMAL-PHASE ADSORBENT |
| CAS | 1343-88-0 |
| EINECS | 215-681-1 |
| InChI | InChI=1/Mg.O3Si/c;1-4(2)3/q+2;-2 |
| InChIKey | FKHIFSZMMVMEQY-UHFFFAOYSA-N |
FLORISIL(R) PR NORMAL-PHASE ADSORBENT - Physico-chemical Properties
| Molecular Formula | MgO3Si |
| Molar Mass | 100.39 |
| Density | 3.21 |
| Melting Point | 1910°C |
| Water Solubility | Insoluble in water. |
| Appearance | White powder |
| Color | White to off-white |
| PH | 9.5 (100g/l, H2O, 20℃)(slurry) |
| Storage Condition | Store at room temperature. |
| MDL | MFCD00078249 |
| Physical and Chemical Properties | As-synthesized magnesium silicate, the composition may vary, but the molar ratio of magnesium oxide (MgO) to silicon dioxide (SiO2) is on average 2:5. White powder, odorless, tasteless, no gravel feeling. Slightly hygroscopic. Susceptible to decomposition of inorganic acids. The pH value of 10% suspension is 7.0~10.8. Insoluble in water and ethanol. |
| Use | Used for Polyether adsorbent, has the function of adsorption and Decolorization |
FLORISIL(R) PR NORMAL-PHASE ADSORBENT - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | - |
| RTECS | VV7340000 |
| TSCA | Yes |
| HS Code | 28399000 |
FLORISIL(R) PR NORMAL-PHASE ADSORBENT - Reference
| Reference Show more | 1. Jin Wenjin. Effects of Bagging on Appearance Quality and Pesticide Residues of Apple Fruits [J]. China Packaging Industry, 2014(12):94-95. 2. Yan Hongpeng, Zhang Caixia, Zhao Suqing, et al. Preliminary Study on Extraction and Purification Methods of Xueka Toxin [J]. Progress in Marine Science, 2012, 30(003):408-415. 3. [IF = 4.952] Yuan Zou et al."Physicochemical and emulsifying properties of protein isolated from Phlebopus portentosus." Lwt Food Sci Technol. 2021 May;142:111042 |
FLORISIL(R) PR NORMAL-PHASE ADSORBENT - Introduction
An activated silica-magnesium adsorbent, insoluble in water
Last Update：2022-10-16 17:13:29
FLORISIL(R) PR NORMAL-PHASE ADSORBENT - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| identification test | 500mg of sample is mixed with 10ml dilute hydrochloric acid test solution (TS-117), filtered, and neutralized with ammonia test solution (TS-13) until litmus paper is neutral. The magnesium test (IT-21) of the filtrate after neutralization was positive. Dip several grains of sodium ammonium phosphate crystals with a platinum wire ring, melt them into small balls on a colorless flame, dip the sample while it is hot, and then melt. Silicon dioxide floats on the surface of the small balls, is cooled, and is an opaque small ball with a network structure. This indicates that the silicon test is positive. Solubility is insoluble in water and ethanol (OT-42). It is easy to decompose in case of inorganic acid. The pH value of the 10% slurry is 7.0~10.8. |
| content analysis | analysis of magnesium oxide content accurately weigh about 1.5g of the sample, put it into a 250ml conical flask, add 50.0ml of 1mol/L sulfuric acid, and boil it in a steam bath for 1h. Cool to room temperature, add 1 drop of methyl orange test solution (TS-148), and titrate excess acid with 1mol/L sodium hydroxide solution. 1mol/L sulfuric acid per ml is equivalent to MgO 20.15mg. Analysis of silica content: take a sample of about 700mg, weigh it to 0.1mg, put it into a 150ml beaker, add 20ml of 1mol/L sulfuric acid, heat it on a steam bath for 1.5h, decant the supernatant, filter it out with ash-free filter paper, wash the residue in the beaker with hot water three times, and pass through the filter paper. The residue was impregnated with 25ml of water and boiled on a steam bath for 15min. Finally, the residue is removed from the filter paper and washed onto the filter paper with hot water. Move the filter paper and filter residue into the platinum crucible. Heat to dry and cauterize, burn intensively for 30min, cool and weigh. Moisten the residue with water. Add 6ml of hydrofluoric acid and 3 drops of sulfuric acid. Evaporate to dry, burn for 5min, cool and weigh. The weight lost by the sample is the weight of SiO2. |
| toxicity | ADI value is not specified (FAO/WHO,2001). GRAS(FDA,§ 182.2437,2000). |
| use limit | FAO/WHO(1984,g/kg): powdered dairy products (milk powder, cream powder, high-fat milk powder, semi-cream powder) 10 (used alone or in combination with other anti-caking agents, only applicable to vending machines); Sugar powder and glucose powder 15 are used for coating, but starch is not allowed. |
| use | anti-caking agent; Filter aid; Coating agent; Candy polishing glazing agent; Gum sugar powder; Rice coating agent; (medicine) acid making agent. According to GB 2760-90 listed as processing aids. FDA regulations can be used as table salt, limited to 2%. EEC is used for salt, powdered sugar, candy, rice and gum. for organochlorine residue analysis. Used for polyether adsorbent, with adsorption and decolorization effect Used for column chromatography, insecticide analysis Used as polyether adsorbent, with adsorption and decolorization effect |
| production method | is formed by the interaction of magnesium salt and soluble silicon. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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