[18][26] Thymol can also be used as a medical disinfectant and general purpose disinfectant. When used to reduce plaque and gingivitis, thymol has been found to be more effective when used in combination with chlorhexidine than when used purely by itself. Find patient medical information for Thymol (Bulk) on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 58–59. : FSHT185-100 Synonyms 2-Isopropyl-5-Methylphenol; 3-Hydroxy-P-Cymene; Thymic Acid Recommended Use Laboratory chemicals. Studies have shown that hydrocarbon monoterpenes and thymol in particular degrade rapidly (DT50 16 days in water, 5 days in soil[26]) in the environment and are, thus, low risks because of rapid dissipation and low bound residues,[26] supporting the use of thymol as a pesticide agent that offers a safe alternative to other more persistent chemical pesticides that can be dispersed in runoff and produce subsequent contamination. 4- 0.01 M EDTA solution. [17] In vitro studies have found thymol to be useful as an antifungal against food spoilage and bovine mastitis. Thymol Blue - 2 nd change: yellow: blue: 8.9: 8.0 - 9.6; Phenolphthalein: colourless: pink: 9.4: 8.2 - 10.0; A Universal Indicator is a mixture of indicators which give a gradual change in colour over a wide pH range - the pH of a solution can be approximately identified when a few drops of universal indicator are mixed with the solution. However, this cyclic structure could not be confirmed by X-ray crystallography. Beilstein/REAXYS Number 368036 . 100mL with de-ionised water. EC Number 200-973-3. [9] The ancient Greeks used it in their baths and burnt it as incense in their temples, believing it was a source of courage. Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)-, S,S-dioxide. For example, "universal indicator" contains thymol blue, methyl red, bromothymol blue, thymol blue, and phenolphthalein. [18] Thymol demonstrates in vitro post-antibacterial effect against the test strains E. coli and P. aeruginosa (gram negative), and Staphylococcus aureus and B. cereus (gram positive). [24] Thymol is also the active antiseptic ingredient in some toothpastes, such as Johnson & Johnson's Euthymol. Ltd. makes every effort to ensure that the information Indicators: Acid Colour: Range : Base Colour: Methyl Violet : yellow: 0.0 - 1.6: blue: Malachite green : yellow: 0.2 - 1.8: blue-green: Cresol red: red: 1.0 - 2.0: yellow [19] This antibacterial activity is caused by inhibiting growth and lactate production, and by decreasing cellular glucose uptake. [14] In 1853, the French chemist Alexandre Lallemand named thymol and determined its empirical formula. ... Thymol Blue Sodium Salt ... 1.2 to 2.8(yellow), (yellow)8.0 to 9.6(blue) Properties (reference) Safety & Regulations. Thymol (also known as 2-isopropyl-5-methylphenol, IPMP) is a natural monoterpenoid phenol derivative of p-Cymene, C10H14O, isomeric with carvacrol, found in oil of thyme, and extracted from Thymus vulgaris (common thyme), Ajwain and various other kinds of plants as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties. Pricing & More Info. Under most favorable conditions, it is processed by our deft professionals using excellent quality chemicals at our advanced processing unit. Molecular Formula C 27 H 30 O 5 S; Average mass 466.589 Da; Monoisotopic mass 466.181396 Da; ChemSpider ID 59008 American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British … Grade AR. Blackie Academic Professional; London, UK: 1995. pp. Similar Illustrations See All. Related Laws: Transport Information: H.S.code* 2914.79-000 *This code is applied to the products … Thymol blue. Account; Sign in; Account. complexed with Barium. Acid-base indicators are chemicals used to determine whether an … Thymol blue (thymolsulfonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator. GHS. Media related to Thymol at Wikimedia Commons, Chemical compound found in plants including thyme, InChI=1S/C10H14O/c1-7(2)9-5-4-8(3)6-10(9)11/h4-7,11H,1-3H3, InChI=1/C10H14O/c1-7(2)9-5-4-8(3)6-10(9)11/h4-7,11H,1-3H3, Except where otherwise noted, data are given for materials in their, Environmental breakdown and use as a pesticide, CAS Registry: Data obtained from SciFinder. [5] Thymol absorbs maximum UV radiation at 274 nm. LobaChemie Pvt. Nychas G.J.E. [27], In 2009, the U.S. Environmental Protection Agency (EPA) reviewed the research literature on the toxicology and environmental impact of thymol and concluded that "thymol has minimal potential toxicity and poses minimal risk".[41]. Thyme was also used as incense and placed on coffins during funerals, as it was supposed to assure passage into the next life. [20], Thyme essential oil is useful in preservation of food. COVID-19 is an emerging, rapidly evolving situation. (00025). Contact Us; Customer Service; Return Policy; About Us; … Sign Out. Prenatal exposure to ethanol is associated with a distinct pattern of congenital malformations that have collectively been termed the "fetal alcohol syndrome". Molecular Weight 466.59 . NACRES NA.47 PubChem Substance ID 24847181. Thymol Blue - 2 nd change: yellow: blue: 8.9: 8.0 - 9.6: Phenolphthalein: colourless: pink: 9.4: 8.2 - 10.0: A Universal Indicator is a mixture of indicators which give a gradual change in colour over a wide pH range - the pH of a solution can be approximately identified when a few drops of universal indicator are mixed with the solution. Acid-Base Indicators Key Takeaways . Disclaimer: Loba Chemie Pvt. They consist of three pH indicators (br-cresol purple, m-cresolsulfonphthalein, thymol blue), which were combined with two support materials: aluminium oxide (basic) and MCM-41 (slightly acid). Application: Thymol Blue is a useful pH indicator compound. Also, note some popular indicators display more than one color change as the weak acid or weak base dissociates more than once. Customer Service . GET A PRICE/QUOTE ASK A QUESTION Send Inquiry. The optoelectronic array for the analysis of the origin of blue cheeses was composed by five sensing materials (Table 1.1). BRN 0368036. MSDS Name: Thymol Blue Catalog Numbers: T416-5 Synonyms: Thymolsulfonephthalein Company Identification: Fisher Scientific 1 Reagent Lane Fair Lawn, NJ 07410 For information, call: 201-796-7100 Emergency Number: 201-796-7100 For CHEMTREC assistance, call: 800-424-9300 For International CHEMTREC assistance, call: 703-527-3887 Section 2 - Composition, Information on Ingredients CAS# … Thymol Blue ACS reagent Synonym: Thymolsulfonphthalein CAS Number 76-61-9. Thymol Blue: 2.9 (purple) - 4.6 (green) Methyl Orange - Xylene Cyanol: 3.0 (yellow) - 4.6 (blue) Bromophenol Blue: 3.0 (blue) - 5.0 (red) Congo Red: 3.0 (red) - 6.3 (yellow) Methyl Orange: 4.0 (red) - 5.6 (yellow) Alizarin Red S: ... 8.8 (colorless) - 10.5 (blue) Thymolthalein: 11.6 (blue) - 14.0 (yellow) Indigo Carmine: Customer Service. SENSITIVITY - A mixture of 0.1 ml of the solution and 100 ml of carbon dioxide-free water to which 0.2 ml of 0.02 M sodium hydroxide has been added is blue. Thymol Blue is used as indicator which is gray when it is free (H4ln ) and blue when. Thymol has been used to successfully control varroa mites and prevent fermentation and the growth of mold in bee colonies, methods developed by beekeeper R. O. Dissolve the following in 500 mL ethanol: 0.0250 g thymol blue, 0.0625g methyl red, 0.5 g phenolphthalein, 0.25 g bromothymol blue. A tisane made from them was also used to treat mouth and throat infections caused by dental caries and gingivitis. Found in many local supermarkets and drug stores as an herbal supplement, thymol can be taken for the treatment of minor health ailments or for the promotion of overall health. The estimation of the phenol constituent is a characteristic test for the oils of … Molecular Formula Molecular Weight H.S. Product Description. [12], The bee balms Monarda fistulosa and Monarda didyma, North American wildflowers, are natural sources of thymol. Epidemiology: Ethanol has been shown to produce fetotoxicity in the embryo or fetus of laboratory animals. [15] Thymol was first synthesized by the Swedish chemist Oskar Widman in 1882. [22], Thymol has been used in alcohol solutions and in dusting powders for the treatment of tinea or ringworm infections, and was used in the United States to treat hookworm infections. displayed on this web site is accurate and complete, however it is not liable for Adjust the pH of the solution to 12 … [10] In the European Middle Ages, the herb was placed beneath pillows to aid sleep and ward off nightmares. The Blackfoot Native Americans recognized these plants' strong antiseptic action, and used poultices of the plants for skin infections and minor wounds. Indicators are used in titration solutions to signal the completion of the acid-base … Methylthymol Blue is generally immediately available in most volumes. Example \(\PageIndex{1}\) Find an indicator for the titration of a 0.100 M solution of a weak acid \(\ce{HA}\) (\(K_a = 6.2 \times … is liable to change without any intimation or notice. 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