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Thiourea dioxide

Thiourea dioxide Suppliers list
Company Name: Mainchem Co., Ltd.
Tel: +86-0592-6210733
Email: sales@mainchem.com
Products Intro: Product Name:Thiourea dioxide
CAS:1758-73-2
Company Name: Hebei Guanlang Biotechnology Co., Ltd.
Tel: +86-0311-66562153 whatsapp +8615203118427
Email: sales@crovellbio.com
Products Intro: Product Name:Thiourea dioxide
CAS:1758-73-2
Purity:99% Package:25kg
Company Name: Capot Chemical Co.,Ltd.
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Products Intro: Product Name:Thiourea dioxide
CAS:1758-73-2
Purity:98%(Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg
Company Name: Henan DaKen Chemical CO.,LTD.
Tel: +86-371-55531817
Email: info@dakenchem.com
Products Intro: Product Name:Thiourea dioxide
CAS:1758-73-2
Purity:99% Package:100g,500g,1KG,10KG,100KG
Company Name: Dalian Richfortune Chemicals Co., Ltd
Tel: 86-411-84820922, 84821539
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Lastest Price from Thiourea dioxide manufacturers

  • Thiourea dioxide
  • US $7.00 / kg
  • 2018-12-18
  • CAS: 1758-73-2
  • Min. Order: 1kg
  • Purity: 99%
  • Supply Ability: 100KG
Thiourea dioxide Basic information
Product Name:Thiourea dioxide
Synonyms:aminoimino-methanesulfinicaci;HONGDA GROUP LIMITED LLC;Amino(imino);Aminoiminomethanesulfinic acid for synthesis;Methanesulfinicacid,aminoimino-;FAS PRIMER PAIR;FASTECH;FORMAMIDINESULFINIC ACID
CAS:1758-73-2
MF:CH4N2O2S
MW:108.12
EINECS:217-157-8
Product Categories:Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;INORGANIC & ORGANIC CHEMICALS;Inorganic Chemicals
Mol File:1758-73-2.mol
Thiourea dioxide Structure
Thiourea dioxide Chemical Properties
Melting point 124-127 °C (dec.)(lit.)
density 1.68
refractive index 1.6550 (estimate)
storage temp. 2-8°C
solubility 27g/l
form Crystalline Powder
color White
PH4 (10g/l, H2O, 20℃)
Water Solubility 30 g/L (20 ºC)
Sensitive Moisture Sensitive
BRN 506653
InChIKeyFYOWZTWVYZOZSI-UHFFFAOYSA-N
CAS DataBase Reference1758-73-2(CAS DataBase Reference)
EPA Substance Registry SystemMethanesulfinic acid, aminoimino-(1758-73-2)
Safety Information
Hazard Codes Xn,Xi
Risk Statements 5-22-36/37/38
Safety Statements 26-24/25-36
RIDADR UN 3341 4.2/PG 2
WGK Germany 1
RTECS PB0372500
TSCA Yes
HazardClass 4.2
PackingGroup II
HS Code 29309070
MSDS Information
ProviderLanguage
Thiourea dioxide English
ACROS English
SigmaAldrich English
ALFA English
Thiourea dioxide Usage And Synthesis
Chemical Propertieswhite crystalline powder
UsesConvenient reagent for the reduction of ketones to secondary alcohols.
General DescriptionA white or light-yellow odorless crystalline powder. Mp:126°C. Soluble in water (27 g / L at room temperature). 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. Extended exposure to temperatures above 50°C and moisture may cause visible decomposition. Irritating to skin and mucous membranes. Corrosive to eye tissue. Used in leather processing, the paper industry, photographic industry, and in textile processing as a bleaching agent.
Air & Water ReactionsSoluble in water
Reactivity ProfileThiourea dioxide is a reducing agent and a derivative of sulfinic acid (a weak inorganic acid). Decolorizes and bleaches materials by chemical reduction. Stable under normal temperatures and pressures. May decompose on exposure to moist air or water. Incompatible with strong oxidizing agents, strong bases. Aqueous solutions are acidic and corrosive.
Health HazardFire will produce irritating, corrosive and/or toxic gases. Inhalation of decomposition products may cause severe injury or death. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution.
Fire HazardFlammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated.
Purification MethodsDissolve it in five parts of aqueous 1:1% NaHSO3 at 60-63o (charcoal), then allow it to crystallise slowly, with agitation, at 10o. Filter and dry it immediately at 60o [Koniecki & Linch Anal Chem 30 1134 1958]. [Beilstein 3 I 36, 3 IV 145.]
Thiourea dioxide Preparation Products And Raw materials
Raw materialsHydrogen peroxide-->Thiocarbamide-->Ammonium bicarbonate-->Calcium cyanamide-->Ozone-->Ammonium sulfide
Preparation Products1,1-DIPHENYL-2-PICRYLHYDRAZYL
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