Molar Mass: 122.4404. [85] In 2019 EPA proposed a Maximum Contaminant Level of 0.056 mg/L for public water systems. Molecular Weight: 99.45 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) XLogP3-AA: 2.2: Computed by XLogP3 3.0 (PubChem release 2019.06.18) Hydrogen Bond Donor Count: 0: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Hydrogen Bond Acceptor Count: 4: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Rotatable Bond Count: 0 1. In February 2008, the U.S. Food and Drug Administration (FDA) reported that U.S. toddlers on average are being exposed to more than half of EPA's safe dose from food alone. Zinc (atomic symbol: Zn, atomic number: 30) is a Block D, Group 12, Period 4 element with an atomic weight of 65.38. It is a powerful oxidizer. Empirical Formula (Hill Notation): C20H20ClNO8. Perchlorate is a naturally occurring anion of oxyhalide salts that is frequently detected in the environment (Rajagopalan et al., 2006). The agency then calculated a "drinking water equivalent level" of 24.5 ppb by assuming a person weighs 70 kg (150 lb) and consumes 2 L (0.44 imp gal; 0.53 US gal) of drinking water per day over a lifetime. Other states, including Arizona, Maryland, Nevada, New Mexico, New York, and Texas have established non-enforceable, advisory levels for perchlorate. Find more information on this substance at: PubChem, PubMed. Convert grams Sodium Perchlorate to moles  or  moles Sodium Perchlorate to grams, Molecular weight calculation: From Wikipedia, the free encyclopedia Ammonium perchlorate ("AP") is an inorganic compound with the formula NH 4 ClO 4. Molar mass of NaClO4 = 122.44037 g/mol. Figure 1 shows the response of 1 ppb and 0.5 ppb perchlorate using Single Ion Recording (SIR) analysis at molecular weight 99. 138.55 . On February 11, 2011, EPA determined that perchlorate meets the Safe Drinking Water Act criteria for regulation as a contaminant. Sodium Perchlorate is NaClO4. This inorganic anion is produced naturally and through anthropogenic processes. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. ›› Silver Perchlorate molecular weight. [88], FDA approved perchlorate use in food packaging in 2005. The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Drinking water is a unique matrix varying in … This site explains how to find molar mass. Cadmium (atomic symbol: Cd, atomic number: 48) is a Block D, Group 12, Period 5 element with an atomic weight of 112.411. These salts, formed from perchlorates, act as antifreeze and substantially lower the freezing point of water. ›› Sodium Perchlorate molecular weight. "National Primary Drinking Water Regulations: Perchlorate." [70] Soon after the revised Blount Study was released, Robert Utiger, a doctor with the Harvard Institute of Medicine, testified before the US Congress and stated: "I continue to believe that that reference dose, 0.007 milligrams per kilo (24.5 ppb), which includes a factor of 10 to protect those who might be more vulnerable, is quite adequate. To complete this calculation, you have to know what substance you are trying to convert. Example Reactions: • NaOH + HClO4 = NaClO4 + H2O. of a chemical compound, More information on It is conjectured to exist as a mixture of 60% Ca(ClO 4) 2 and 40% Mg(ClO 4) 2. Na-Cl-O4. About Magnesium perchlorate Magnesium perchlorate weighs 2.21 gram per cubic centimeter or 2 210 kilogram per cubic meter, i.e. [citation needed], In 2008 EPA issued an interim drinking water health advisory for perchlorate and with it a guidance and analysis concerning the impacts on the environment and drinking water. Perchloric acid is made by treating NaClO 4 with HCl.. [75], In 1998, perchlorate was included in the EPA Contaminant Candidate List, primarily due to its detection in California drinking water. On December 31, 2005, the "Perchlorate Best Management Practices" were adopted and became operative on July 1, 2006. Potassium Perchlorate CAS RN: 7778-74-7 Molecular Weight. EPA prepared extensive responses to submitted public comments. [87] In September 2020 NRDC filed suit against EPA for its failure to regulate perchlorate, and stated that 26 million people may be affected by perchlorate in their drinking water. CS1 maint: multiple names: authors list (. These relative weights computed from the chemical equation are sometimes called equation weights. • NaClO4 + 8KI + 8HCl = NaCl + 8KCl + 4H2O + 4I2. Molecular Weight: 122.44. Chemical Formula. [citation needed]. The Chemical Abstracts Service (CAS) registry numbers and molecular formulas for common perchlorate salts are given in Table 1. The reason is that the molar mass of the substance affects the conversion. Molecular weight calculation: 22.98977 + 35.453 + 15.9994*4 ›› Percent composition by element Enter either chemical name or molecular formula and calculate molecular weight Find chemicals information perchlorate at guidechem, professional and easy to use. MOLECULAR WEIGHT: 117.49 to 138.55 g/mol. Studies have been performed on rabbits where perchlorate has been injected into the trachea. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). [80] California also issued guidance[when?] density of magnesium perchlorate is equal to 2 210 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure. Perchlorate (ClO 4 –) is a major ground water pollutant of public health concern.ClO 4 – reductase is the key enzyme in the pathway of ClO 4 – breakdown. 122. 4-). Of particular value is, Potassium perchlorate has, in the past, been used therapeutically to help manage, This page was last edited on 4 January 2021, at 22:16. [84][better source needed], In 2016 the Natural Resources Defense Council (NRDC) filed a lawsuit to accelerate EPA's regulation of perchlorate. d) by dividing this level by the standard intraspecies uncertainty factor of 10. Molecular Weight: 437.83. Convert grams Silver Perchlorate to moles or moles Silver Perchlorate to grams. Manufactured forms of perchlorate include perchloric acid and salts such as ammonium perchlorate, sodium perchlorate and potassium perchlorate (EPA … (1 u is equal to 1/12 the mass of one atom of carbon-12) [80][83] The agency found that perchlorate may have an adverse effect on the health of persons and is known to occur in public water systems with a frequency and at levels that it presents a public health concern. Formula: Al(ClO4)3. Browse the list of nov", "Detection of Perchlorate & the Soluble Chemistry of Martian Soil at the Phoenix Mars Lander Site", "Stability of perchlorate hydrates and their liquid solutions at the Phoenix landing site, Mars", Photooxidation of chloride to perchlorate in the presence of desert soils and titanium dioxide, Look What We Found on Mars - Curiosity Rover Serves Up Awesome Science, "Toxic Mars: Astronauts Must Deal with Perchlorate on the Red Planet", Mars covered in toxic chemicals that can wipe out living organisms, tests reveal, "NASA Confirms Evidence That Liquid Water Flows on Today's Mars", "NASA Says Signs of Liquid Water Flowing on Mars", "Video Highlight (02:58) - NASA News Conference - Evidence of Liquid Water on Today's Mars", "Video Complete (58:18) - NASA News Conference - Water Flowing on Present-Day Mars m", "A review of perchlorate occurrence in public drinking water systems", "Perchlorate, Source and Distribution in Groundwater at Massachusetts Military Reservation", "Inorganic Chemical Maximum Contaminant Levels, Monitoring Requirements and Analytical Methods", "Fireworks Displays Linked To Perchlorate Contamination In Lakes", "Perchlorate in the Pacific Southwest: California", Perchlorate found in breast milk across US, "Perchlorate levels in samples of sodium nitrate fertilizer derived from Chilean caliche", "Eliminating Water Contamination by Inorganic Disinfection Byproducts", "ARA Perchlorate Contamination Solutions", "The effect of perchlorate, thiocyanate, and nitrate on thyroid function in workers exposed to perchlorate long-term", "Health effect assessment for environmental perchlorate contamination: The dose response for inhibition of thyroidal radioiodide uptake in humans", "Urinary Perchlorate and Thyroid Hormone Levels in Adolescent and Adult Men and Women Living in the United States", "Perchlorate: Health and Environmental Impacts of Unregulated Exposure", "Perchlorate Levels in Pregnancy Linked to Low Childhood IQ", "Perchlorate in Drinking Water; Final Action", "EPA Sued For Not Regulating Rocket Fuel Chemical in Drinking Water", NAS Report: The Health Effects of Perchlorate Ingestion, Macho Moms: Perchlorate pollutant masculinizes fish: Science News Online, Aug. 12, 2006, New Scientist Space Blog: Phoenix discovery may be bad for Mars life, State Threatening To Sue Military Over Water Pollution, Health Effects Of Perchlorate From Spent Rocket, Dept of Defense, Dept of Energy, and US Environmental Protection Agency's Strategic Environmental Research and Development Program, Elimination of Perchlorate Oxidizers from Pyrotechnic Flare Compositions, 2009, https://en.wikipedia.org/w/index.php?title=Perchlorate&oldid=998329955, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Articles with unsourced statements from November 2017, All articles with vague or ambiguous time, Vague or ambiguous time from November 2017, All articles with specifically marked weasel-worded phrases, Articles with specifically marked weasel-worded phrases from November 2017, Wikipedia articles in need of updating from May 2017, All Wikipedia articles in need of updating, Articles with unsourced statements from December 2020, Articles with unsourced statements from May 2017, Articles lacking reliable references from November 2017, Creative Commons Attribution-ShareAlike License, The dominant use of perchlorates is as oxidizers in propellants for rockets, fireworks and highway flares. [68][needs update], In 2006, a study reported a statistical association between environmental levels of perchlorate and changes in thyroid hormones of women with low iodine. Table 1. The zinc atom has a radius of 134 pm and a Van der Waals radius of 210 pm. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. "Drinking Water: Regulatory Determination on Perchlorate." Kathleen Sellers, Katherine Weeks, William R. Alsop, Stephen R. Clough, Marilyn Hoyt, Barbara Pugh, Joseph Robb. Name: Sodium Perchlorate. We use the most common isotopes. Synonym: N-Methylcalifornine perchlorate, N-Methylcrychine perchlorate, N-Methylescholtzine perchlorate, Californine methoperchlorate, Crychine methoperchlorate, Escholtzine methoperchlorate. ammonium perchlorate composite propellant, Comprehensive Environmental Response, Compensation and Liability Act, "Perchlorate - PubChem Public Chemical Database", Draft Toxicological Profile for Perchlorates, Agency for Toxic Substances and Disease Registry, "Identifying Subpopulations Vulnerable to the Thyroid-Blocking Effects of Perchlorate and Thiocyanate", "Description of the novel perchlorate-reducing bacteria Dechlorobacter hydrogenophilus gen. nov., sp. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. Calculate the molecular weight The study authors were careful to point out that hormone levels in all the study subjects remained within normal ranges. 1. 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