Examples include recommended measures on fire-fighting, transport and recycling and disposal. One another note: I have a friend who does production dyeing. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Wash and dry hands. Web site owner: As a result, the dye is less fast to washing and crocking and is not likely to be even. Stable under normal temperatures and pressures. Thiourea dioxide is a reducing agent and a derivative of sulfinic acid (a weak inorganic acid). thiourea dioxide solutions are extremely important for distinct industries to serve a variety of multiple purposes. Thiourea dioxide has a shelf life but it’s longer than some things you read might indicate. Availability . It is also known to be used in the treatment of hyperthyroidism. including trade names and synonyms. Thiourea dioxide is not very toxic, but it is irritating to skin and mucous membranes. waste disposal service to dispose of this material. chemBlink provides samples of SDS, Safety Data Sheets, for Thiourea dioxide, CAS 1758-73-2 Evacuate personnel to safe areas. _____ Page 2 / 7 ... Thiourea -0.92 13. Disposal should be in accordance with applicable regional, national and local laws and regulations. Oxidation of thiourea with hydrogen peroxide produces thiourea dioxide. If the powder has a distinctive yellow look, it has probably oxidized to some degree and may no longer be effective. 6.1 Relevant Sciencemadness threads; Properties Chemical. Aqueous solutions are acidic and corrosive. Cool containers with water. Irritating to skin and mucous membranes. Date of Revision: 1/26/2015 THIOUREA DIOXIDE Section 1 - Chemical Product and Company Identification ... P501 Dispose of contents/ container to an approved waste disposal plant. Whether you want to use these products for any domestic, commercial or industrial purpose, all types of thiourea dioxide solutions are available at your disposal. CAS Number:1758-73-2 EINECS/ELINCs: 217-157-8 % weight: >99 2. 14. endobj Other Names: Thiourea dioxide, Spectralite TM, thiocarbamide, thiourea, thio-urea Dye Use: Color stripper, indigo reducer, twice as strong as, and much safer than, sodium dithionite Best On: Cotton, linen, hemp, ramie, etc. First-Aid Measures EYES: Immediately flush with water for at least 15 minutes, lifting the upper and lower eyelids intermittently. Assuming further that blueprint paper contains 0.5 g thiourea/m METHODS FOR CLEANING UP . Registration dossier . In closed bottles. 1758-73-2 Thiourea Dioxide Manufacturer CAS:1758-73-2. Potential Health Effects ... alcohol-resistant foam, dry chemical or carbon dioxide. Chemsrc provides thiourea dioxide(CAS#:4189-44-0) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Risk of fire and explosion on contact with acrolein. Continuing to use the chemicals in the vat is preferable to uncontrolled disposal. Thiourea is a free radical scavenger of the peroxide radical. First-aid measures 4.1 Description of necessary first-aid measures General advice. Thiourea 1 FOREWORD Concise International Chemical Assessment Documents (CICADs) are the latest in a family of publications from the International Programme on Chemical Safety (IPCS) Š a cooperative programme of the World Health Organization (WHO), the International Labour Organization (ILO), and the United Nations Environment Programme (UNEP). 2/Disposal Destroy the product by incineration (in accordance with local and national … Other applications Due to its property of being able to form formamidine sulphinic acid under alkaline conditions, it is used as a reducing agent in various industries such as leather, paper, textile, pulp and board, bleaching, and photography industries. not available not available <= 100 % For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16 SECTION 4: First aid measures 4.1 Description of first aid measures General advice Consult a physician. Acide aminoiminomethanesulfinique . Thiourea-doped titanate nanotubes calcined at 600 °C presented anatase structure, showing an increase in the degree of crystallinity compared with DI water and acid-washed titanate nanotubes. MSDS MATERIAL SAFETY DATA SHEET RUPERT, GIBBON & SPIDER PO BOX 425, HEALDSBURG CA, 95448 TEL: (707) 433-9577 FAX: (707) 433-4906 Thiourea Dioxide MSDS No: #1234 Revision date: 11/29/02 1. SEM and EDX results. CAS No. In one soil degradation study, thiourea persisted for periods in excess of 15 weeks. In case of skin contact. PERSONAL PROTECTION Avoid contact with skin, eyes and inhalation of dust. CAS No. 12.3. Extended exposure to temperatures above 50°C and moisture may cause visible decomposition. Use appropriate media for adjacent fire. not available H251-H302-H315-H319-H335 <= 100 % Hazardous ingredients according to Directive 1999/45/EC Component Classification Concentration Thiourea dioxide CAS-No. 10.3 Possibility of hazardous reactions. ETHYLENE THIOUREA CAS No 96-45-7 MATERIAL SAFETY DATA SHEET SDS/MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1 Product identifiers Product name : Ethylene Thiourea CAS-No. (ERG, 2016) To obtain more information about Thiourea Dioxide supply & inventory, please submit a quote request. thiourea dioxide 99 solutions are extremely important for distinct industries to serve a variety of multiple purposes. 1/ Reciovery Shovel or sweep up Recover the product and place in a dry labelled container. endobj Thiourea has an antithyroid effect and it is possible that fetal goiter might be produced by sufficient maternal exposure to this agent. May decompose on exposure to moist air or water. THIOUREA DIOXINE . THIOUREA SOLUTION Safety Data Sheet www.lobachemie.com 05/04/2019 6/10 THIOUREA AR (62-56-6) Persistence and degradability May cause long-term adverse effects in the environment. Decolorizes and bleaches materials by chemical reduction. Do not contaminate surface water. Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable, National Oceanic and Atmospheric Administration. Suitable Extinguishing MediaUse water spray, alcohol-resistant foam, dry chemical or carbon dioxide. 4 0 obj Safety Data Sheet WEGO CHEMICAL & MINERAL CORP 239 Great Neck Road Great Neck, NY 11021 Phone: (516) 487 3510; email: sales@wegochem.com Date of Revision: 1/26/2015 THIOUREA DIOXIDE Section 1 - Chemical Product and Company Identification DISPOSAL CONSIDERATIONS 13.1 Waste treatment methods Product Thiourea Mp:126°C. 10. … 4 - First Aid Measures AFTER INHALATION If inhaled, remove to fresh air. Storage. ... alcohol-resistant foam, dry chemical or carbon dioxide. 5.3 Disposal; 6 References. Safety Information. Thiourea is a colorless white solid, soluble in water. Thiourea Dioxide is also used as a replacement for NaClO and Sodium Hydrosulfide in mechanical paper and post-bleaching applications. May decompose on exposure to moist air or water. Details of the supplier of the safety data sheet Emergency Telephone Number For information US call: 001-800-ACROS-01 / Europe call: +32 14 57 52 11 Emergency Number US:001-201-796-7100 / Europe: +32 14 57 52 99 CHEMTREC Tel. Hazard Class 4.2 Thiourea dioxide (or formamidine sulphinic acid) is an odourless white to pale yellow crystalline powder. thiourea dioxide tdo activating sodium reduction Prior art date 1983-12-29 Legal status (The legal status is an assumption and is not a legal conclusion. W�V9���|@y3ڮD+T+G�[$�L�)ٵ|�P�t@'I����u��ћ�`eݫֈ�AF�� �� Heating it in a kiln/oven is another possibility, as the decomposition produces carbon dioxide, sulfur dioxide, nitrogen, ammonia. Thiourea dioxide 【Synonyms】 Aminoiminomethanesulfinic acid Formamidinesulfinic acid 【CAS】 1758-73-2 【Formula】 CH4N2O2S 【Molecular Weight】 108.12 【EINECS】 217-157-8 【RTECS】 PB0372500 【RTECS Class】 Other 【Beilstein/Gmelin】 506653 【Beilstein Reference】 4-03-00-00145 【EC Class】 harmful, irritant Dyers will often just do a quick 10-30 second dip in the vat to get light blues, but this doesn’t give the indigo time to penetrate the fiber. Trade names . Both sodium hydrosulfite and thiourea dioxide are sulfur based and will release hydrogen sulfide. National Oceanic and Atmospheric Administration. If breathed in, move person into fresh air. Corrosive to eye tissue. Toxic to aquatic life with long lasting effects. Please note: ... thiourea dioxide . 13. Physical Data Appearance and odor: White, granular solid, no odor. May decompose on exposure to moist air or water. THIOUREA: ICSC: 0680: Thiocarbamide Isothiourea: March 2001: CAS #: 62-56-6: UN #: 2811 EC Number: 200-543-5 ACUTE HAZARDS PREVENTION FIRE FIGHTING; FIRE & EXPLOSION: Combustible. Use lightly on wool, silk and rinse well. stream Thiourea dioxide CAS-No. Thionyl chloride is an inorganic compound with the chemical formula S O Cl 2.It is a moderately volatile colourless liquid with an unpleasant acrid odour. If released to the atmosphere, thiourea may be associated with particulate matter suggesting potential importance of wet and dry deposition. Chemsrc provides Thiourea dioxide(CAS#:1758-73-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Safety & Documentation. Thiourea is a free radical scavenger of the peroxide radical. 3.4.2. Registration dossier . Thiourea dioxide CAS-No. x��\�s�� ����x���}�L��6���^�$��V����o��[9�L��� b���X �f�u���֋'Ϸ������'�o��q��� It sublimes under vacuum between 150-160 °C. Stable under recommended storage conditions. Disposal. endobj Stability and reactivity 10.1 Reactivity. Decomposes exothermically at temperatures above 126°C with the emission of noxious gases (sulfur oxides, ammonia, carbon monoxide, nitrogen oxides and hydrogen sulfide) and carbon dioxide. Thiourea is a reagent in organic synthesis. Synonyms Aminoiminomethanesulfinic acid; Thiourea dioxide Recommended Use Laboratory chemicals. It is used in the paper and textile industry as a bleaching and reducing agent and is listed under UN No. A white or light-yellow odorless crystalline powder. Articles of thiourea dioxide are included as well. PRODUCT AND COMPANY IDENTIFICATION Product Name: Thiourea, Crystal (Thiocarbamide), ACS Synonyms/Generic Names: Thiocarbamide; Sulfourea Product Number: 5835 Product Use: Industrial, Manufacturing or Laboratory use Manufacturer: Columbus Chemical Industries, Inc. N4335 Temkin Rd. Thiourea 1. She uses an indigo vat reduced with thiourea dioxide but was having trouble achieving pale blue colors. Disposal considerations Waste Disposal Methods Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. <> Evaluation: Thiourea Dioxide (aka “Thiox” or “Spectralite”) The MSDS for Thiourea Dioxide is available from Pro Chemical as a PDF file here. It is odorless and has a taste, often described as bitter. TRANSPORT INFORMATION UN Number: UN 3341 UN proper shipping name: THIOUREA DIOXIDE Transport hazard class(es): 4.2 Packing group: III Heating it in a kiln/oven is another possibility, as the decomposition produces carbon dioxide, sulfur dioxide, nitrogen, ammonia. Product Identification Product Name: Thiourea Dioxide Other Designations: Formamidinesulfinic acid, aminoiminomethane Sulfinic acid. : 62-56-6 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, Industrial & for professional use only. This is what causes the bad smell and can affect human health when the gas is inhaled. Dye Recipe: Use as directed in indigo vat recipes. Cover with DRY earth, DRY sand or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain. Physical. Thiourea emissions may occur, especially from the disposal of waste paper. DISPOSAL CONSIDERATIONS Disposal Procedures: Dispose of material and containers in accordance with all local, state and federal regulations. It can be irritating to the nose, throat, and airways and potentially paralyzing to breathing if inhaled in large quantities. 13. ... P501 Dispose of contents/container in accordance with local regulations. Office of Response and Restoration, In closed bottles. thiourea dioxide manufacturer/supplier, China thiourea dioxide manufacturer & factory list, find qualified Chinese thiourea dioxide manufacturers, suppliers, factories, exporters & … and lungs. Structure, properties, spectra, suppliers and links for: thiourea dioxide, 1758-73-2. Thiourea was teratogenic in rats exposed to a 0.2% solution as drinking water. References Thiourea dioxide : Thiourea dioxide: 1758-73-2 : none : 100%: 4. Storage. ... commercial or industrial purpose, all types of thiourea dioxide solutions are available at your disposal. <>/Font<>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 18 0 R] /MediaBox[ 0 0 595.2 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> If inhaled If breathed in, move person into fresh air. Thionyl chloride is primarily used as a chlorinating reagent, with approximately 45,000 tonnes (50,000 short tons) per year being produced during the early 1990s. Thiourea Dioxide (Thiox) is one of the three most-frequently-used chemical compounds available to costume painters/dyers in the removal of dye from yardage or garments, the other two being sodium hydrosulfite (Rit Color Remover) and chlorine bleach (Clorox). If inhaled. Thiourea Dioxide. The world leading professional manufacturer and exporter of Thiourea Dioxide and bleaching agent FAS ! The thiourea dioxide can also find immense uses in some important sectors such as the pharmaceutical industry, fertilizer industry, animal feeding industry, food industry and many more. : 96-45-7 1.2 Relevant identified uses of the substance or mixture and uses advised against Thiourea dioxide can be strongly diluted with water and poured down the drain. no data available. Soluble in water. It was shown to inhibit lipid peroxidation and ultraviolet (UV)-induced crosslinking of collagen. ... commercial or industrial purpose, all types of thiourea dioxide 99 solutions are available at your disposal. Some dyers simply keep their vat, adding additional indigo and reduction chemicals as necessary. Hazardous Ingredients Hazardous Components: Thiourea Dioxide 3. Thiourea dioxide is a reducing agent and a derivative of sulfinic acid (a weak inorganic acid). 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