The river is the main water supply for over 300,000 residents in 8 counties. Methanol safety data sheet according to federal register vol. It compiles information from several government agencies and organizations. Identification of the substancemixture and of the companyundertaking product information product name. Identification methylcyclohexane is a colorless liquid with a faint, benzenelike odor. Coma resulting from massive exposures may last as long as 2 4 days. Mchm is used in washing coal, helping separate the burnable fossil fuel from. Disposal considerations waste disposal methods chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. A 48,000gallon storage tank along the elk river is leaking a chemical called 4methylcyclohexane methanol. May 10, 2020 4methylcyclohexanemethanol mchm, systematic name 4 methylcyclohexylmethanol is an eastman chemical companys msds for crude unpurified mchm, as supplied by npr, reports an oral ld of mg kg and a dermal ld product name. Application of gas chromatography with mass spectrometric and human olfactory sniffer detectors reveals the nature of odorous chemicals from an industrial chemical spill. Jan 10, 2014 the west virginia chemical spill occurred when a compound called 4 methylcyclohexane methanol leaked from a hole in the bottom of a storage tank, thomas aluise, a wvaw spokesman told the new york.
The half lethal concentration lc 50 of methylcyclohexane is known to be 3,750 ppm 15. A433s200 casno 67561 synonyms methyl alcohol recommended use laboratory chemicals. Olfactory gas chromatography allows investigators to independently measure the odor of each chemical component in a mixture. How dangerous is the chemical spilled into west virginia. This may be accidental or intentional the condition is diagnosed based upon the clinical history, combination of signs and symptoms, and additional tests that may include, in some cases, radiological studies and laboratory tests. Jan 10, 2014 thats where 4 methylcyclohexane methanol, mchm for short, comes in. However, we make no warranty of merchantability or any other. Buy 4 methylcyclohexanemethanol cas 34885035, an ingredient of air fresheners. As you know a region of southern west virginia where upwards of 100,000 people live has been affected by a spill of this chemical. Ingestion or exposure to 4 mchm can lead to 4 methylcyclohexane methanol poisoning. A total of 65% of the dose was excreted in the urine, 15% was eliminated in the expired air 10% as unchanged methylcyclohexane and 5% as carbon dioxide, 0. How dangerous is the chemical spilled into west virginia waters. Buy 4methylcyclohexanemethanol cas 34885035, an ingredient of air fresheners. The information provided in this safety data sheet is correct to the best of our knowledge, information and belief at the date of its publication.
The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. Incompatible materials strong oxidizing agents, acid anhydrides, acid chlorides. Ingestion or exposure to 4mchm can lead to 4methylcyclohexane methanol poisoning. This may be accidental or intentional the condition is diagnosed based upon the clinical history, combination of signs and symptoms, and additional tests that may include, in. Jun 27, 2019 4 methylcyclohexane methanol msds pdf music june 27, 2019 4methylcyclohexanemethanol mchm, systematic name 4 methylcyclohexylmethanol is an eastman chemical companys msds for crude unpurified mchm, as supplied by npr, reports an oral ld of mg kg and a dermal ld product name. Adult chinchilla doe rabbits were administered an oral dose of 2.
Exposure may cause irritation of the skin, eyes, and respiratory system. Uses advised against not for food, drug, pesticide or biocidal product use details of the supplier of the safety data. The chemical that spilled, crude 4methyl methylcyclohexane methanol, was composed of several compounds of which cis and trans4methyl methylcyclohexane methanol were the major components. Methylcyclohexane is a flammable liquid and a dangerous fire hazard. Chemical product and company identification methanol. Methylcyclohexane is an organic compound with the molecular formula is ch 3 c 6 h 11. Hydrolysis, oxidation and adsorption to suspended particles and sediments and bioconcentration in. This chemical inventory is oshas premier onestop shop for occupational chemical information. As you know a region of southern west virginia where upwards. Thats where 4methylcyclohexane methanol, mchm for short, comes in. Both cis and trans isomers exist, depending on the relative positions of the methyl ch 3 and hydroxymethyl ch 2 oh groups on the cyclohexane ring. Finish cleaning the spill by rinsing any contaminated surfaces with copious amounts of water. Methylcyclohexane is also used in some correction fluids such as whiteout as a.
Leave a comment on 4 methylcyclohexane methanol msds pdf 4 methylcyclohexanemethanol mchm, systematic name 4 methylcyclohexylmethanol is an eastman chemical companys msds for crude unpurified mchm, as supplied by npr, reports an oral ld of mg kg and a dermal ld product name. It is currently obtained as a byproduct of 1,4cyclohexanedimethanol, which is made by hydrogenating dimethyl terephthalate. The chemical that spilled, crude 4methyl methylcyclohexane methanol, was composed of several compounds of which cis and trans 4 methyl methylcyclohexane methanol were the major components. Extreme high moderate low section 1 chemical product and company identification product name methylcyclohexane statement of hazardous nature considered a hazardous substance according to osha 29 cfr 1910. Osha occupational chemical database occupational safety. The aim of this study was to 1 explore how and when people obtained information about the water contamination and 2 understand how individual. Hello rchemistry, i live in the charleston, wv area, and currently, 8 counties are in a state or emergency due to a leak of 4methylcyclohexane methanol, a chemical used to clean mining equipment. In the body, the products formed by its oxidation are formaldehyde and formic acid, both of which are toxic. The west virginia chemical spill occurred when a compound called 4methylcyclohexane methanol leaked from a hole in the bottom of a storage tank, thomas aluise, a.
Hello rchemistry, i live in the charleston, wv area, and currently, 8 counties are in a state or emergency due to a leak of 4 methylcyclohexane methanol, a chemical used to clean mining equipment. Chemical identification and physical properties exposure limits sampling information. Once absorbed, methanol is only very slowly eliminated. If water is used for cooling, the solution will spread if not contained. Methanol revision date 18jan2018 precautionary statements prevention wash face, hands and any exposed skin thoroughly after handling do not eat, drink or smoke when using this product wear protective glovesprotective clothingeye protectionface protection use only outdoors or in a wellventilated area do not breathe dustfumegasmist. If the substance is covered by more than one clh entry e. Public response to the 2014 chemical spill in west. It is mainly converted in naphtha reformers to toluene. Reason for citation methylcyclohexane is on the hazardous substance list. Mchms primary use is in the process for washing coal removing impurities such as sulfur, rock, and soil by flotation. Methylcyclohexane may affect the liver and kidneys. Mchm is used in washing coal, helping separate the burnable fossil fuel from the unburnable rock and dirt and other impurities. Mixtures of methanol and water at concentrations greater than 20% methanol are still considered flammable. Chemical waste generators must also consult local, regional, and.
It is a colorless liquid that smells like mint or licorice. Classified as saturated hydrocarbon, it is a colourless liquid with a faint odor. Mchm was first prepared by reducing the corresponding diester. The 4methylcyclohexane methanol spill in west virginia.
Because of the slow elimination, methanol should be regarded as a cumulative poison. Crude 4 methylcyclohexane methanol 4 mchm spilled in a river and then contaminated drinking water and air for over 300,000 consumers living in west virginia. A a single, chiral compound b a mixture of diasteromeric ethers c a mixture of diasteromeric alcohols d a single, chiral alcohol e a single, chiral ether. On january 9 th 2014, a faulty storage tank leaked 10,000 gal of an industrial coal processing liquid into the elk river in west virginia wv, contaminating the drinking water of the nine counties collectively known as the kanawha valley. The transisomer eluted first and method detection limits were 0. Its often confused with other similarly named chemicals that can potentially be lethal.
It is used as a solvent and to manufacture organic chemicals. Keep away from open flames, hot surfaces and sources of ignition. A heated purgeandtrap gas chromatographymass spectrometry method was used to determine the cis and transisomers of 4 methylcyclohexylmethanol 4mchm, the reported major component of the crude mchmdowanol pph glycol ether material spilled into the elk river upriver from charleston, west virginia, on january 9, 2014. Predicted data is generated using the us environmental protection agencys episuite. Show this material safety data sheet to the doctor in attendance.
Classified as a saturated higher alicyclic primary alcohol. Buy 4methylcyclohexanemethanold3 cas 34885035 unlabeled, a biochemical for proteomics research, from santa cruz. Material safety data sheet risk phrases protective clothing. The estimated biodegradation halflives in groundwater, river water and lake water samples were 32 days, 8 days and 4. Toxicity of methylcyclohexane and its effect on the. The 4methylcyclohexane methanol spill in west virginia coal. It is toxic to animals and humans, if it is breathed, swallowed, or allowed to come into contact with skin. Consult federal, state, andor local authorities for assistance on disposal. Leave a comment on 4 methylcyclohexane methanol msds pdf 4methylcyclohexanemethanol mchm, systematic name 4 methylcyclohexylmethanol is an eastman chemical companys msds for crude unpurified mchm, as supplied by npr, reports an oral ld of mg kg and a dermal ld product name. Crude 4methylcyclohexane methanol 4mchm spilled in a river and then contaminated drinking water and air for over 300,000 consumers living in west virginia. Jan 10, 2014 a 48,000gallon storage tank along the elk river is leaking a chemical called 4 methylcyclohexane methanol. Jan 12, 2014 4 methylcyclohexane methanol is a chemical used to clean coal before it is burned. As you know a region of southern west virginia where upwards of 100,000 people live has been affected by a spill. Sep 30, 2011 the half lethal concentration lc 50 of methylcyclohexane is known to be 3,750 ppm 15.
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