{"id":94649,"date":"2026-04-06T19:54:58","date_gmt":"2026-04-06T17:54:58","guid":{"rendered":"https:\/\/medqmedicalsuppliers.co.za\/?post_type=product&p=94649"},"modified":"2026-04-06T19:55:16","modified_gmt":"2026-04-06T17:55:16","slug":"magnesium-oxide-ar-500g-2","status":"publish","type":"product","link":"https:\/\/medqmedicalsuppliers.co.za\/?product=magnesium-oxide-ar-500g-2","title":{"rendered":"Magnesium Oxide AR \u2013 500g"},"content":{"rendered":"

Magnesium Oxide AR \u2013 Identification of Product<\/strong>
Chemical Code: CHE-M3
Chemical Name: Magnesium Oxide Heavy
Chemical Grade: AR
Chemical Formula: MgO
Chemical Weight: 40,3 g\/mol
CAS No: 1309-48-4
Chemical Synonyms: Magnesii Oxidum Ponderosum<\/p>\n

Magnesium Oxide AR \u2013 Hazards Identification<\/strong>
REACH No: No Data Available
Signal Word:
Supplemental Hazard Information: Not a hazardous substance or mixture according to Regulation (EC) No. 1272\/2008. This substance is not classified as dangerous according to Directive 67\/548\/EEC.
Additional Hazard Information: The product does not need to be labelled in accordance with EC directives or respective national laws.<\/p>\n

Magnesium Oxide AR \u2013 Composition of Chemical<\/strong>
Chemical Formula: MgO
EC No 1272\/2008: No Data Available<\/p>\n

Magnesium Oxide AR \u2013 First Aid Measures<\/strong>
General Advice: No Data Available
If: Inhaled: If breathed in, move person into fresh air. If not breathing, give artificial respiration.
If: Skin Contact: Wash off with soap and plenty of water.
If: Eye Contac: Flush eyes with water as a precaution.
If: Swallowed: Never give anything by mouth to an unconscious person. Rinse mouth with water.
Important Symptoms: Ingestion or inhalation of a large quantity may cause a feverish reaction and leukocytosis. Diarrhoea
Immediate Medical Attention: No Data Available<\/p>\n

Magnesium Oxide AR \u2013 Firefighting Measures<\/strong>
Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Hazards Arising: Magnesium oxide.
Advice for Firefighters: Wear self contained breathing apparatus for fire fighting if necessary.
Info for Firefighting: No Data Available<\/p>\n

Accidental Release Measures<\/strong>
Personal Precautions: Avoid dust formation. Avoid breathing vapors, mist or gas.
Enviromental Precautions: Do not let product enter drains.
Method for Containment: Sweep up and shovel. Keep in suitable, closed containers for disposal.<\/p>\n

Handling and Storage<\/strong>
Personal Precautions: Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire protection.
Enviromental Precautions: Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Hygroscopic Air sensitive. Air and moisture sensitive.
Exposure Controls | Personal Protection
Derived No Effect Level (DNEL)
Workers | Application Area | Exposure Routes | Health Effect | Value
No Data Available
Consumers | Application Area | Exposure Routes | Health Effect | Value
No Data Available
Predicted No Effect Concentration (PNEC)
No Data Available
Engineering Controls: General industrial hygiene practice.
Eye\/Face Protection: Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin Protection: Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching gloves outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89\/686\/EEC and the standard EN 374 derived from it.<\/p>\n

Immersion protection<\/strong>
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: > 480 min
Material tested: Dermatril\u00ae (Size M)
Splash protection
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: > 30 min
Material tested: Dermatril\u00ae (Size M)
data source: KCL GmbH, D-36124 test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an Industrial Hygienist familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.
Body Protection: Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place., The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory Protection: Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).<\/p>\n

Physical and Chemical Properties<\/strong>
Appearance: White, fine powder
Odour: Odourless
Odour Threshold: No Data Available
pH: No Data Available
Melting Point: Melting Point\/Range: 2.852 \u00b0C \u2013 lit.
Boiling Point: 3.600 \u00b0C at 1.013 hPa
Flash Point: Not Applicable
Evaporation: No Data Available
Flammability: No Data Available
Upper\/Lower Flammability or Explosive Limits: No Data Available
Vapour pressure: No Data Available
Vapour density: No Data Available
Relative density: 3,580 g\/cm3
Water solubility: Insoluble
Partition Coefficien: No Data Available
Auto-ignition Temperature: No Data Available
Decomposition Temperature: No Data Available
Viscosity: No Data Available
Explosive properties: No Data Available
Oxidizing properties: No Data Available
Other Safety Info: No Data Available<\/p>\n

Stability and Reactivity<\/strong>
Reactivity: No Data Available
Chemical Stability: No Data Available
Possibility of hazardous reactions: No Data Available
Conditions to Avoid: Air sensitive.
Incompatible Materials: No Data Available
Hazardous Decomposition Products: No Data Available<\/p>\n

Toxicological Information<\/strong>
Acute Toxicity: No Data Available
Skin Corrosion\/Irritation: No Data Available
Serious Eye damage | Eye Irritation: No Data Available
Cell Mutagenicity: No Data Available
Carcinogenicity: Carcinogenicity \u2013 Hamster \u2013 Intratracheal
Tumorigenic:Equivocal tumorigenic agent by RTECS criteria. Sense Organs and Special Senses (Nose, Eye, Ear, and Taste):
Olfaction: Tumors. Lungs, Thorax, or Respiration:Tumors.
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity: No Data Available
Specific Target Organ Toxicity \u2013 Single Exposure: No Data Available
Specific Target Organ Toxicity \u2013 Repeated Exposure: No Data Available
Aspiration Hazard: No Data Available<\/p>\n

Ecological Information<\/strong>
Ecological Toxicity: No Data Available
Ecological Persistence and degradability: No Data Available
Bioaccumulative Potential: No Data Available
Mobility in Soil: No Data Available
Results of PBT and vPvB Assessment: No Data Available
Other Adverse Effect: No Data Available<\/p>\n

Disposal Considerations<\/strong>
Waste Treatment Methods: Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.<\/p>\n

Transport Information<\/strong>
UN Number: ADR\/RID: \u2013
IMDG: \u2013
IATA: \u2013
UN Shipping Hazard: ADR\/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport Hazard Class: ADR\/RID: \u2013
IMDG: \u2013
IATA: \u2013
Packaging Group: ADR\/RID: \u2013
IMDG: \u2013
IATA: \u2013
Enviromental Hazards: ADR\/RID: no
IMDG Marine pollutant: no
IATA: no
Special Precautions: No Data Available<\/p>\n

Regulatory Information<\/strong>
Safety, Health and environmental regulations: This safety datasheet complies with the requirements of Regulation (EC) No. 1907\/2006.
Chemical Safety Assessment: No Data Available
Additional Info: Potential health effects
Inhalation May be harmful if inhaled. May cause respiratory tract irritation.
Ingestion May be harmful if swallowed.
Skin May be harmful if absorbed through skin. May cause skin irritation.
Eyes May cause eye irritation.<\/p>\n

Signs and Symptoms of Exposure<\/strong>
Ingestion or inhalation of a large quantity may cause a feverish reaction and leukocytosis. Diarrhoea.
RTECS: OM3850000<\/p>\n

Disclaimer<\/strong>
The information stated above is considered to be correct, but does not claim to be inclusive and shall only be used as a guideline. The information provided by this document is
confirmed by our continuous updating of knowledge and adheres to the products appropriate safety precautions. It does not represent any guarantee of the product\u2019s
properties. RLS Chemicals and its Associates shall not be held accountable for any damage\u2019s consequent of handling the above product.<\/p>\n

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CAS Number:1309-48-4<\/strong><\/p>\n","protected":false},"featured_media":94685,"template":"","meta":{"content-type":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[8074],"product_tag":[11462],"class_list":{"0":"post-94649","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lab-chemicals","7":"product_tag-magnesium-oxide-ar-500g","8":"desktop-align-center","9":"tablet-align-center","10":"mobile-align-center","12":"first","13":"instock","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=\/wp\/v2\/product\/94649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=\/wp\/v2\/media\/94685"}],"wp:attachment":[{"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=94649"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=94649"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=94649"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medqmedicalsuppliers.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=94649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}