{"id":92168,"date":"2026-05-02T06:47:55","date_gmt":"2026-05-02T06:47:55","guid":{"rendered":"https:\/\/safetyboot4u.co.za\/?post_type=product&#038;p=92168"},"modified":"2026-05-02T06:48:06","modified_gmt":"2026-05-02T06:48:06","slug":"methyl-red-acs-reagent-crystalline","status":"publish","type":"product","link":"https:\/\/safetyboot4u.co.za\/?product=methyl-red-acs-reagent-crystalline","title":{"rendered":"Methyl Red (ACS Reagent Crystalline)"},"content":{"rendered":"<p><strong>Methyl Red \ufffd\ufffd\ufffd Identification of Product<\/strong><br \/> Chemical Code: M7600<br \/> Chemical Name: Methyl Red<br \/> Chemical Grade: ACS Reagent<br \/> Chemical Formula: C\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdH\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdN\ufffd\ufffd\ufffdO\ufffd\ufffd\ufffd<br \/> Chemical Weight: 269,30 g\/mol<br \/> CAS No: 493-52-7<br \/> Chemical Synonyms: Acid Red 2, O-Methyl Red.<\/p>\n<p><strong>Methyl Red \ufffd\ufffd\ufffd Hazards Identification<\/strong><br \/> REACH No: No Data Available<br \/> Signal Word:<br \/> Supplemental Hazard Information: Not a hazardous substance or mixture according to Regulation (EC) No. 1272\/2008.<br \/> Additional Hazard Information: This substance contains no components considered to be either persistent, bio-accumulative and toxic (PBT), or very persistent and very bio-accumulative (vPvB) at levels of 0.1% or higher.<\/p>\n<p><strong>Methyl Red \ufffd\ufffd\ufffd Composition of Chemical<\/strong><br \/> Chemical Formula: C\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdH\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdN\ufffd\ufffd\ufffdO\ufffd\ufffd\ufffd<br \/> EC No 1272\/2008: No Data Available<\/p>\n<p><strong>Methyl Red \ufffd\ufffd\ufffd First Aid Measures<\/strong><br \/> General Advice: Obtain medical advice if feeling unwell.<br \/> If: Inhaled: If breathed in, move person into fresh air. If not breathing, give artificial respiration.<br \/> If: Skin Contact: Wash off with soap and plenty of water.<br \/> If: Eye Contac: Flush eyes with water as a precaution.<br \/> If: Swallowed: Never give anything by mouth to an unconscious person. Rinse mouth with water.<br \/> Important Symptoms: No Data Available<br \/> Immediate Medical Attention: No Data Available<\/p>\n<p><strong>Methyl Red \ufffd\ufffd\ufffd Firefighting Measures<\/strong><br \/> Extinguishing Media: Use Water spray, Alcohol-resistant foam, Dry chemical or Carbon Dioxide.<br \/> Hazards Arising: Combustible.<br \/> Carbon Oxides, Nitrogen Oxides<br \/> Advice for Firefighters: Wear self-contained breathing apparatus for firefighting if necessary.<br \/> Info for Firefighting: No Data Available<\/p>\n<p><strong>Methyl Red \ufffd\ufffd\ufffd Accidental Release Measures<\/strong><br \/> Personal Precautions: Avoid dust formation.<br \/> Avoid breathing vapours, mist or gas.<br \/> Environmental Precautions: No special environmental precautions required.<br \/> Method for Containment: Sweep up and shovel.<br \/> Keep in suitable, closed containers for disposal.<\/p>\n<p><strong>Methyl Red \ufffd\ufffd\ufffd Handling and Storage<\/strong><br \/> Personal Precautions: Provide appropriate exhaust ventilation at places where dust is formed.<br \/> Environmental Precautions: Store in cool place.<br \/> Keep container tightly closed in a dry and well-ventilated place.<br \/> Exposure Controls | Personal Protection<br \/> Derived No Effect Level (DNEL)<br \/> Workers | Application Area | Exposure Routes | Health Effect | Value<br \/> No Data Available<br \/> Consumers | Application Area | Exposure Routes | Health Effect | Value<br \/> No Data Available<br \/> Predicted No Effect Concentration (PNEC)<br \/> No Data Available<br \/> Engineering Controls: General industrial hygiene practice.<br \/> Eye\/Face Protection: Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).<br \/> Skin Protection: Handle with gloves.<br \/> Gloves must be inspected prior to use.<br \/> Use proper glove removal technique (without touching gloves outer surface) to avoid skin contact with this product.<br \/> Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.<br \/> Wash and dry hands.<br \/> The selected protective gloves have to satisfy the specifications of EU Directive 89\/686\/EEC and the standard EN 374 derived from it.<br \/> Body Protection: Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place.<br \/> 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<p><strong>Physical and Chemical Properties<\/strong><br \/> Appearance: Dark Red powder or Violet crystals<br \/> Odour: No Data Available<br \/> Odour Threshold: No Data Available<br \/> pH: No Data Available<br \/> Melting Point: Melting point\/range: 179 \ufffd\ufffd\ufffd 182 \ufffd\ufffdC (lit).<br \/> Boiling Point: No Data Available<br \/> Flash Point: No Data Available<br \/> Evaporation: No Data Available<br \/> Flammability: No Data Available<br \/> Upper\/Lower Flammability or Explosive Limits: No Data Available<br \/> Vapour pressure: No Data Available<br \/> Vapour density: No Data Available<br \/> Relative density: 0,989 g\/cm3<br \/> Water solubility: Insoluble<br \/> Partition Coefficien: ca. Log Pow: 3,9<br \/> Auto-ignition Temperature: No Data Available<br \/> Decomposition Temperature: No Data Available<br \/> Viscosity: No Data Available<br \/> Explosive properties: No Data Available<br \/> Oxidizing properties: No Data Available<br \/> Other Safety Info: Bulk density ca.300 \ufffd\ufffd\ufffd 500 kg\/m3<\/p>\n<p><strong>Stability and Reactivity<\/strong><br \/> Reactivity: No Data Available<br \/> Chemical Stability: Stable under recommended storage conditions.<br \/> Possibility of hazardous reactions: No Data Available<br \/> Conditions to Avoid: No Data Available<br \/> Incompatible Materials: Strong oxidizing agents<br \/> Hazardous Decomposition Products: Hazardous decomposition products formed under fire conditions. \ufffd\ufffd\ufffd Carbon Oxides, Nitrogen Oxides<\/p>\n<p><strong>Toxicological Information<\/strong><br \/> Acute Toxicity: No Data Available<br \/> Skin Corrosion\/Irritation: No Data Available<br \/> Serious Eye damage | Eye Irritation: No Data Available<br \/> Cell Mutagenicity: Laboratory experiments have shown mutagenic effects.<br \/> Carcinogenicity: This product is or contains a component that is not classifiable as to its carcinogenicity based on its IARC, ACGIH, NTP, or EPA classification.<br \/> 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.<br \/> Reproductive toxicity: No Data Available<br \/> Specific Target Organ Toxicity \ufffd\ufffd\ufffd Single Exposure: No Data Available<br \/> Specific Target Organ Toxicity \ufffd\ufffd\ufffd Repeated Exposure: No Data Available<br \/> Aspiration Hazard: No Data Available<\/p>\n<p><strong>Ecological Information<\/strong><br \/> Ecological Toxicity: Toxicity to fish:<br \/> LC50 \ufffd\ufffd\ufffd Gambusia affinis (Mosquito fish) \ufffd\ufffd\ufffd 7 mg\/l \ufffd\ufffd\ufffd 96 h<br \/> Ecological Persistence and degradability: No Data Available<br \/> Bioaccumulative Potential: Due to the distribution coefficient n-octanol\/water, accumulation in organisms is not expected<br \/> Mobility in Soil: No Data Available<br \/> Results of PBT and vPvB Assessment: This substance contains no components considered to be either persistent, bio-accumulative and toxic (PBT), or very persistent and very bio-accumulative (vPvB) at levels of 0.1% or higher.<br \/> Other Adverse Effect: No Data Available<\/p>\n<p><strong>Disposal Considerations<\/strong><br \/> Waste Treatment Methods: Product \ufffd\ufffd\ufffd<br \/> Offer surplus and non-recyclable solutions to a licensed disposal company.<br \/> Contaminated packaging \ufffd\ufffd\ufffd Dispose of as unused product.<\/p>\n<p><strong>Transport Information<\/strong><br \/> UN Number: ADR\/RID: \ufffd\ufffd\ufffd<br \/> IMDG: \ufffd\ufffd\ufffd<br \/> IATA: \ufffd\ufffd\ufffd<br \/> UN Shipping Hazard: ADR\/RID: Not dangerous goods<br \/> IMDG: Not dangerous goods<br \/> IATA: Not dangerous goods<br \/> Transport Hazard Class: ADR\/RID: \ufffd\ufffd\ufffd<br \/> IMDG: \ufffd\ufffd\ufffd<br \/> IATA: \ufffd\ufffd\ufffd<br \/> Packaging Group: ADR\/RID: \ufffd\ufffd\ufffd<br \/> IMDG: \ufffd\ufffd\ufffd<br \/> IATA: \ufffd\ufffd\ufffd<br \/> Environmental Hazards: ADR\/RID: no<br \/> IMDG Marine pollutant: no<br \/> IATA: no<br \/> Special Precautions: No Data Available<\/p>\n<p><strong>Regulatory Information<\/strong><br \/> Safety, Health and environmental regulations: This safety datasheet complies with the requirements of Regulation (EC) No. 1907\/2006.<br \/> Chemical Safety Assessment: For this product a chemical safety assessment was not carried out.<br \/> Additional Info: RTECS: DG8960000<br \/> To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.<\/p>\n<p> Disclaimer<br \/> 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\ufffd\ufffd\ufffds<br \/> properties. RLS Chemicals and its Associates shall not be held accountable for any damage\ufffd\ufffd\ufffds consequent of handling the above product.<\/p>\n<p>Add to Wishlist<\/p>\n<p> Add to Wishlist<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Formula: C<\/b><b>15<\/b><b>H<\/b><b>15<\/b><b>N<\/b><b>3<\/b><b>O<\/b><b>2<\/b><\/p>\n<p><b>Molar mass: 269,3 g\/mol<\/b><\/p>\n<p><b>Solubility: soluble in ethanol<\/b><\/p>\n<p><b>Density: 791 kg\/m\ufffd\ufffd<\/b><\/p>\n<p><b>Melting point: 179\ufffd\ufffd\ufffd182 \ufffd\ufffdC<\/b><\/p>\n<p><b>Methyl Red <\/b>is a pH indicator dye that shifts color according to acidity levels. It appears red in acidic solutions (pH below 4.4) and yellow in basic solutions (pH above 6.2), featuring an orange transition in between. This dye is widely used in microbiology and chemical titrations to monitor pH changes.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"content-type":""},"product_brand":[],"product_cat":[33530],"product_tag":[33536],"class_list":["post-92168","product","type-product","status-publish","product_cat-powders-dyes","product_tag-methyl-red-acs-reagent-crystalline","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=\/wp\/v2\/product\/92168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92168"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=92168"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=92168"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/safetyboot4u.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=92168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}