Magnesium fluorideionic or covalent

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Fluorine is a Block P, Group 17, Period 2 element. Its electron configuration is [He]2s22p5. The fluorine atom has a covalent radius of 64 pm and its Van der Waals radius is 135 pm. In its elemental form, CAS 7782-41-4, fluorine gas has a pale yellow appearance. Fluorine was discovered by André-Marie Ampère in 1810. It was first isolated by Henri Moissan in 1886.

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magnesium+fluoridename

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R Winston · 1975 · 2 — The primary focusing concentrator can be a parabolic reflector, an array of Fresnel mirrors, a Fresnel lens or some other lens. Silicon solar cell grid ...

If you wear glasses for mild near- or far-sightedness, you generally won’t need them while looking through the scope –the microscope can defocus or overfocus the image as needed.  However, if you have astigmatism or a heavy prescription, you may find it necessary to wear glasses –just keep in mind that the oculars may scratch your lenses, particularly if they are plastic.

Safety Data Sheet according to Regulation (EC) No. 1907/2006 (REACH). The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. American Elements shall not be held liable for any damage resulting from handling or from contact with the above product. See reverse side of invoice or packing slip for additional terms and conditions of sale. COPYRIGHT 1997-2022 AMERICAN ELEMENTS. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY.

Magnesium fluorideuses

Information on basic physical and chemical propertiesAppearance:Form: Solid in various formsColor: Off-whiteOdor: OdorlessOdor threshold: No data available.pH: N/AMelting point/Melting range: 1261 °C (2302 °F)Boiling point/Boiling range: 2239 °C (4062 °F)Sublimation temperature / start: No data availableFlash point: N/AFlammability (solid, gas): No data available.Ignition temperature: No data availableDecomposition temperature: No data availableAutoignition: No data available.Danger of explosion: Product does not present an explosion hazard.Explosion limits:Lower: No data availableUpper: No data availableVapor pressure: N/ADensity: No data availableRelative density: No data available.Vapor density: N/AEvaporation rate: N/ASolubility in / Miscibility with Water at 18 °C (64 °F): 0.076 g/lPartition coefficient (n-octanol/water): No data available.Viscosity:Dynamic: N/AKinematic: N/AOther informationNo data available

Extinguishing mediaSuitable extinguishing agentsCO2, extinguishing powder or water spray.Fight larger fires with water spray.Special hazards arising from the substance or mixtureIf this product is involved in a fire, the following can be released:Hydrogen fluoride (HF)Advice for firefightersProtective equipment:Wear self-contained respirator.Wear fully protective impervious suit.

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Magnesium fluoridesolubility

GHS07Signal word: WarningHazard statementsH315 Causes skin irritation.H319 Causes serious eye irritation.H335 May cause respiratory irritation.Precautionary statementsP261 Avoid breathing dust/fume/gas/mist/vapors/spray.P280 Wear protective gloves/protective clothing/eye protection/face protection.P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P304+P340 IF INHALED: Remove person tofresh air and keep comfortable for breathing.P405 Store locked up.P501 Dispose of contents/container in accordance with local/regional/national/international regulations.WHMIS classificationD2B - Toxic material causing other toxic effectsClassification systemHMIS ratings (scale 0-4)(Hazardous Materials Identification System) HEALTH FIRE REACTIVITY20 0 Health (acute effects) = 2Flammability = 0Physical Hazard = 0Other hazardsResults of PBT and vPvB assessmentPBT: N/AvPvB: N/A

Information on toxicological effectsAcute toxicity: No effects known.LD/LC50 values that are relevant for classification:Oral LD50 2330 mg/kg (rat)Skin irritation or corrosion:Causes skin irritation.Eye irritation or corrosion: Causes serious eye irritation.Sensitization: No sensitizing effects known.Germ cell mutagenicity: No effects known.Carcinogenicity: No classification data on carcinogenic properties of this material is available from the EPA, IARC, NTP, OSHA or ACGIH.Reproductive toxicity: No effects known.Specific target organ system toxicity - repeated exposure: No effects known.Specific target organ system toxicity - single exposure: May cause respiratory irritation.Aspiration hazard: No effects known.Subacute to chronic toxicity:Fluorides may cause salivation, nausea, vomiting, diarrhea and abdominal pain, followed by weakness, tremors, shallow respiration, convulsions and coma. Maycause brain and kidney damage. Chronic fluoride poisoning can cause severe bone changes, loss of weight, anorexia, anemia and dental defects.Inhalation of magnesium compounds may cause metal fume fever.Metallic magnesium which perforates the skin may cause local lesions. Some magnesium salts have produced muscle weakness, cardiac arrhythmias, respiratory effects and changes in blood chemistry following ingestion.Subacute to chronic toxicity: No effects known.Additional toxicological information:To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.

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Additional information about design of technical systems:Properly operating chemical fume hood designed for hazardous chemicals andhaving an average face velocity of at least 100 feet per minute.Control parametersComponents with limit values that require monitoring at the workplace:Fluorides (as F) mg/m3ACGIH TLV 2.5Austria MAK 2.5Belgium TWA 2.5Finland TWA 2.5France TWA 2.5Germany MAK 2.5Hungary TWA 1; 2-STELNetherlands MAC-K 3.5Norway TWA 0.6Poland TWA 1; 3-STELSweden NGV 2Switzerland MAK-W 1.5; 3-KZG-WUnited Kingdom TWA 2.5Russia TWA 2Denmark TWA 2.5USA PEL 2.57783-40-6 Magnesium fluoride (100.0%)PEL (USA) Long-term value: 2.5 mg/m3 as FREL (USA) Long-term value: 2.5 mg/m3 as FTLV (USA) Long-term value: 2.5 mg/m3 as F, BEEL (Canada) Long-term value: 2.5 mg/m3 as FIngredients with biological limit values:7783-40-6 Magnesium fluoride (100.0%)BEI (USA) 2 mg/LMedium: urineTime: prior to shiftParameter: Fluoride (background, nonspecific)3 mg/LMedium: urineTime: end of shiftParameter: Fluoride (background, nonspecific)Additional information: No dataExposure controlsPersonal protective equipmentFollow typical protective and hygienic practices for handling chemicals.Keep away from foodstuffs, beverages and feed.Remove all soiled and contaminated clothing immediately.Wash hands before breaks and at the end of work.Avoid contact with the eyes and skin.Maintain an ergonomically appropriate working environment.Breathing equipment:Use suitable respirator when high concentrations are present.Protection of hands: Impervious glovesInspect gloves prior to use.Suitability of gloves should be determined both by material and quality, the latter of which may vary by manufacturer.Eye protection: Safety glassesBody protection: Protective work clothing

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Personal precautions, protective equipment and emergency proceduresUse personal protective equipment. Keep unprotected persons away.Ensure adequate ventilationEnvironmental precautions:Do not allow material to be released to the environment without official permits.Do not allow product to enter drains, sewage systems, or other water courses.Do not allow material to penetrate the ground or soil.Methods and materials for containment and cleanup:Ensure adequate ventilation.Prevention of secondary hazards:No special measures required.Reference to other sectionsSee Section 7 for information on safe handlingSee Section 8 for information on personal protection equipment.See Section 13 for disposal information.

Magnesium fluorideformula

Achromatic lenses are designed for infinite conjugate ratios but are ideal for finite conjugate applications when used in pairs. In finite conjugate ...

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HandlingPrecautions for safe handlingKeep container tightly sealed.Store in cool, dry place in tightly closed containers.Ensure good ventilation at the workplace.Information about protection against explosions and fires:No data availableConditions for safe storage, including any incompatibilitiesRequirements to be met by storerooms and receptacles:No special requirements.Information about storage in one common storage facility:No data availableFurther information about storage conditions:Keep container tightly sealed.Store in cool, dry conditions in well-sealed containers.Specific end use(s)No data available

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ReactivityNo data availableChemical stabilityStable under recommended storage conditions.Thermal decomposition / conditions to be avoided:Decomposition will not occur if used and stored according to specifications.Possibility of hazardous reactionsNo dangerous reactions knownConditions to avoidNo data availableIncompatible materials:Oxidizing agentsNo data availableHazardous decomposition products:Hydrogen fluorideMetal oxide fume

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Magnesium fluorideLewis Structure

Safety, health and environmental regulations/legislation specific for the substance or mixtureNational regulationsAll components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical substance Inventory.All components of this product are listed on the Canadian Domestic Substances List (DSL).SARA Section 313 (specific toxic chemical listings)Substance is not listed.California Proposition 65Prop 65 - Chemicals known to cause cancerSubstance is not listed.Prop 65 - Developmental toxicitySubstance is not listed.Prop 65 - Developmental toxicity, femaleSubstance is not listed.Prop 65 - Developmental toxicity, maleSubstance is not listed.Information about limitation of use:For use only by technically qualified individuals.Other regulations, limitations and prohibitive regulationsSubstance of Very High Concern (SVHC) according to the REACH Regulations (EC) No. 1907/2006.Substance is not listed.The conditions of restrictions according to Article 67 and Annex XVII of the Regulation (EC) No 1907/2006 (REACH) for the manufacturing, placing on the market and use must be observed. Substance is not listed.Annex XIV of the REACH Regulations (requiring Authorisation for use)Substance is not listed.REACH - Pre-registered substancesSubstance is listed.Chemical safety assessment:A Chemical Safety Assessment has not been carried out.

Magnesium fluoridesupplement

If you want to reserve a microscope and boxes with slides, please contact Dr. Michael Hortsch. You will need to sign a loan agreement to obtain a locker key and you will be responsible for the slide collection.  The slide boxes and the microscope may not be removed from the laboratory.  You will be charged $8 for any broken slide.

Waste treatment methodsRecommendationConsult official regulations to ensure proper disposal.Uncleaned packagings:Recommendation:Disposal must be made according to official regulations.

Description of first aid measuresIf inhaled:Supply patient with fresh air. If not breathing, provide artificial respiration. Keep patient warm.Seek immediate medical advice.In case of skin contact:Immediately wash with soap and water; rinse thoroughly.Seek immediate medical advice.In case of eye contact:Rinse opened eye for several minutes under running water. Consult a physician.If swallowed:Seek medical treatment.Information for doctorMost important symptoms and effects, both acute and delayedNo data availableIndication of any immediate medical attention and special treatment neededNo data available

Magnesium fluorideionic compound

See more Magnesium products. Magnesium (atomic symbol: Mg, atomic number: 12) is a Block S, Group 2, Period 3 element with an atomic mass of 24.3050. The number of electrons in each of Magnesium's shells is [2, 8, 2] and its electron configuration is [Ne] 3s2. The magnesium atom has a radius of 160 pm and a Van der Waals radius of 173 pm. Magnesium was discovered by Joseph Black in 1775 and first isolated by Sir Humphrey Davy in 1808. Magnesium is the eighth most abundant element in the earth's crust and the fourth most common element in the earth as a whole. In its elemental form, magnesium has a shiny grey metallic appearance and is an extremely reactive. It is can be found in minerals such as brucite, carnallite, dolomite, magnesite, olivine and talc. Commercially, magnesium is primarily used in the creation of strong and lightweight aluminum-magnesium alloys, which have numerous advantages in industrial applications. The name "Magnesium" originates from a Greek district in Thessaly called Magnesia.

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ToxicityAquatic toxicity: No data availablePersistence and degradabilityNo data availableBioaccumulative potentialNo data availableMobility in soilNo data availableAdditional ecological information:Do not allow material to be released to the environment without official permits.Do not allow undiluted product or large quantities to reach groundwater, water courses, or sewage systems.Avoid transfer into the environment.Results of PBT and vPvB assessmentPBT: N/AvPvB: N/AOther adverse effectsNo data available

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Classification of the substance or mixtureClassification according to Regulation (EC) No 1272/2008GHS07Skin Irrit. 2 H315 Causes skin irritation.Eye Irrit. 2A H319 Causes serious eye irritation.STOT SE 3 H335 May cause respiratory irritation.Classification according to Directive 67/548/EEC or Directive 1999/45/ECXi; IrritantR36/37/38: Irritating to eyes, respiratory system and skin.Information concerning particular hazards for human and environment:N/AHazards not otherwise classifiedNo data availableLabel elementsLabelling according to Regulation (EC) No 1272/2008The substance is classified and labeled according to the CLP regulation.Hazard pictograms

Not a hazardous material for transportation.UN-NumberDOT, IMDG, IATANoneUN proper shipping nameDOT, IMDG, IATANoneTransport hazard class(es)DOT, ADR, IMDG, IATAClassNonePacking groupDOT, IMDG, IATANoneEnvironmental hazards:N/ASpecial precautions for userN/ATransport in bulk according to Annex II of MARPOL73/78 and the IBC CodeN/ATransport/Additional information:Not dangerous according to the above specifications.DOTMarine Pollutant (DOT):No

Potentiometric chip-based multipumping flow system for the simultaneous determination of fluoride, chloride, pH, and redox potential in water samples.

This phenomenon is readily demonstrated by reflecting a linearly polarized beam from a flat piece of glass. If the glass is turned to present different angles ...

Access to the supplemental resources for this session is password-protected and restricted to University of Michigan students. If you are a University of Michigan student enrolled in a histology course at the University of Michigan, please click on the following link and use your Kerberos-password for access to download lecture handouts and the other resources.