Under acidic conditions, dtc will breakdown and carbon disulfide will form. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy. Nphenylthiourea is a member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by a phenyl group. In rodents chronically exposed to ethylene thiourea. Thiourea 62566 2005435 612082000 formula ch4n2s molecular weight 76. Reference to national guidance documents for methods for the. Page 3 of 5 7 handling and storage precautions for safe handling. Most formulations also contain unreacted products of. Thiourea is an ingredient in some film development chemicals and silver polishes. Follow the osha respirator regulations found in 29 cfr 1910. Thiourea is a chaotropic agent or strong denaturant. If the services of a medical officer or medical doctor are readily available, the patient should be placed in hisher care and a copy of the.
The routes of potential human exposure to thiourea are inhalation and dermal contact hsdb 2009. Jacobsens research group has developed a range of chiral thioureas that are versatile and effective organocatalysts. Thiourea please note that the layout and pagination of this pdf file are not necessarily identical to those of the printed document first draft prepared by dr k. Decolorizes and bleaches materials by chemical reduction.
Chemtrec 8004249300 outside usa 7035273887 1216 6th ave n kent wa 98032 phone. Thiourea was first prepared by thermal rearrangement of ammonium thiocyanate at approximately 150 c. Chemical identity threshold planning quantity thiourea 500 lbs. Thiourea was added to pooled plasma oxalated, pooled serum, and to each of several lots of titrated plasma from single individuals. Incompatible with strong oxidizing agents, strong bases. Thiourea cas no 62566 material safety data sheet sds. Registered quality system iso 9001 material safety data sheet. Msds document numbern000 revision dated 03 sept 96 in an emergency, call chemtrec at 8004249300 us. If released to soil, thiourea may degrade by both chemical and microbial degradation, although elevated levels of thiourea may suppress microflora activity for extended periods of time. In each experi ment, a fresh lot of stock thiourea was made up, and. Wear appropriate protective clothing to prevent skin exposure. As this is an equilibrium reaction and separation of the two substances is quite difficult, better methods of preparation were investigated.
Your new online msds binder is a place for you to store the material safety data sheets. Thiourea is a free radical scavenger of the peroxide radical. It was previously used as a drug to treat excessive thyroid gland activity. We offer the highest purity grades available around the world. View or download the thiourea msds material safety data sheet or sds for 107978 from merck. Chemical product and company identification halocarbon r11 trichlorofluoromethane. Hydrolysis, volatilzation, absorption to sediments, and bioconcentration are not expected to be important aquatic fate processes. Clean water act section 311 hazardous substances 40 cfr 117.
Msds contains all the information required by the cpr. Material safety data sheet fore 80wp rainshield specialty fungicide emergency phone. Material safety data sheet thiourea msds section 1. Keep away from combustibles wood, paper, oils, etc. It is also known to be used in the treatment of hyperthyroidism. Thiourea appears to be generally resistant to aquatic biodegradation as demonstrated by various standard biodegradation tests.
Therefore, hydrolysis and photolysis of n,ndiethylthiourea, which is structurally similar to thiourea, may not be importantsrc. Measurement and correlation of solubility of thiourea in two solvent mixtures from t283. Thioureas are organosulfur compounds structurally similar to ureas, except the oxygen atom is replaced by a sulfur atom to constitute the scnh 2 2 moiety. It is similar to urea, except that the oxygen atom is replaced by a sulfur atom.
Chemtrec 8004249300 outside usa 7035273887 1216 6th ave n kent wa 98032. Precautionary statements p281 use personal protective equipment as required. No information is available on the acute shortterm or chronic longterm effects of ethylene thiourea in humans. Material safety data sheet thiourea section 1 chemical product and company identification msds name. Sara 3 tri reporting chemical identity reporting threshold for other users reporting threshold for manufacturing and processing thiourea 0 lbs 25000 lbs. Thiourea will react with hydroxyl radicals in sunlit natural waters with an estimated halflife of 171 days. Nitrogen msds material safety data sheet for nitrogen n2 reference. Sds of thiourea dioxide, safety data sheets, cas 1758732. Fisher scientific 1 reagent lane fair lawn, nj 07410 for information, call. The journal of chemical thermodynamics 2016, 94, 110118.
Degafas, degafas as, reducing agent f, depilortm, thiourea dioxide chemical formula. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed. Whmis hazard class not determined chemical name npri mancozeb x ethylene thiourea x 16. Bud dormancy in plants can be inhibited by thiourea.
Bud dormancy in plants can be inhibited by thiourea which is used as a growth stimulator. Chronic exposure to thiourea may cause tumors of the liver. It can be oxidized directly to the disulfide on a glassy carbon electrode. Depending on their genetic makeup, humans find it either very bitter. Identification of the substancemixture and of the companyundertaking 1. Thiourea is also used during the production of blueprint and photocopy paper, resins, dyes, drugs, cleaners, and other chemicals. A range of latent nucleophiles can be added to mostly iminetype electrophiles in excellent. Thiourea dioxide is a reducing agent and a derivative of sulfinic acid a weak inorganic acid. Material safety data sheet university of louisville. Production of thiourea is now carried out by treating technicalgrade calcium cyanamide with. Show this safety data sheet to the doctor in attendance. There is a small risk of consumer exposure to thiourea in silvertarnish removers, in which it is present at concentrations of up to 7% hpd 2009. The solubility of thiourea in water, methanol, and ethanol.
It can also be found in hydraulic fracturing fluid. Prepare stock standards by weighing 1020 mg of thiourea in 10ml volumetric. Osha, cma, ansi and canadian whmis standards part i what is the material and what do i. Cv notes thiourea thiourea is an important compound in the plating and rubber industries. The msds for thiourea dioxide is available from pro chemical as a pdf file here. The properties of urea and thiourea differ significantly because of the relative electronegativities of sulfur and oxygen. Other companies are charging thousands of dollars to set up accounts and give you access to their msds online database. Sara 3 tri reporting chemical identity reporting threshold for other users reporting threshold for manufacturing and processing thiourea. Special pricing on overstock material in our warehouse. Chemical product and company identification product name. Most formulations also contain unreacted products of carbon disulfide and dimethylamine. Some dithiocarbamates often contain thiourea which has been determined to be a carcinogen and teratogen in laboratory animals. Safety data sheet thiox thiourea dioxide date of revision. Other companies are charging thousands of dollars to set up accounts.
Based on an estimation method, the rate constant for the reaction of vaporphase n,ndiethylthiourea with hydroxyl radicals has been estimated to be 1. Nugeneration technologies msds material safety data sheets are available for download or browser viewing are available from this page or from each individual product page. It is structurally similar to urea, except that the oxygen atom is replaced by a sulfur atom, but the properties of urea and thiourea differ significantly. Thiourea is an organic compound of carbon, nitrogen, sulfur and hydrogen, with the formula csn2h4 or nh22cs. Thiourea msds material safety data sheet or sds, coa and coq, dossiers, brochures and other available documents. It has been used to solubilize membrane and organelle specific proteins for analysis by twodimensional gel electrophoresis. Safety data sheet thiox thiourea dioxide section 1. Material safety data sheet product name airgas inc. It was shown to inhibit lipid peroxidation and ultraviolet uvinduced crosslinking of collagen.
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