Ammonium thiosulfate NEW
| Price | Get Latest Price |
| Package | 25KG |
| Min. Order: | 1KG |
| Supply Ability: | 50000KG/month |
| Update Time: | 2023-09-26 |
Product Details
| Product Name: Ammonium thiosulfate | CAS No.: 7783-18-8 |
| EC-No.: 231-982-0 | Min. Order: 1KG |
| Purity: 99% | Supply Ability: 50000KG/month |
| Release date: 2023/09/26 |
| CAS: | 7783-18-8 |
| MF: | H8N2O3S2 |
| MW: | 148.21 |
| EINECS: | 231-982-0 |
| Product Categories: | Inorganics;AmmoniumMetal and Ceramic Science;Ammonium Salts;Inorganic Salts;Salts;Synthetic Reagents;Industrial/Fine Chemicals |
| Mol File: | 7783-18-8.mol |
 | |
| Ammonium thiosulfate Chemical Properties |
| Melting point | 150 °C (lit.) |
| density | 1.679 g/mL at 25 °C (lit.) |
| solubility | H2O: very soluble(lit.) |
| form | Crystalline Powder |
| color | White |
| Odor | Ammonical odour |
| Water Solubility | Soluble in water, slightly soluble in acetone. Insoluble in ethanol and diethyl ether. |
| Sensitive | Hygroscopic |
| Merck | 14,562 |
| Stability: | Stable. Hygroscopic. |
| InChI | InChI=1S/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4) |
| InChIKey | XYXNTHIYBIDHGM-UHFFFAOYSA-N |
| SMILES | S(=S)(=O)(O)O.N.N |
| LogP | -0.428 (est) |
| CAS DataBase Reference | 7783-18-8(CAS DataBase Reference) |
| EPA Substance Registry System | Ammonium thiosulfate (7783-18-8) |
| Ammonium thiosulfate Usage And Synthesis |
| Description | Ammonium thiosulfate is an inorganic compound. It is white crystalline solid with ammonia odor, readily soluble in water, slightly soluble in acetone and insoluble in ethanol and diethyl ether. And Ammonium thiosulfate is used in photographic fixer. It is a so-called rapid fixer, acting more quickly than sodium thiosulfate fixers. Fixation involves these chemical reactions (illustrated for silver bromide). Ammonium thiosulfate is also used for leaching of gold and silver. It works with presence of copper as a catalyst here. This process is a nontoxic alternative gold cyanidation. Ammonium thiosulfate can be used as a fertilizer. As suggested by some research studies it can be used as an additive to coal-waste mixtures to reduce formation of very dangerous dioxins and furans. Methods of Manufacturing Direct reaction of ammonium sulfite with sulfur. Besides，the ATS process, sulfur dioxide is absorbed from incinerated Claus tail gas in aqueous ammonia to produce ammonium sulfate and ammonium bisulfite in solution. The solution passes to a converter where it flows countercurrent to hydrogen sulfide. Ammonium thiosulfate forms /in solution and/ is concentrated to 60 wt%. |
| Toxicity | Ammonium thiosulfate exists as colorless, monoclinic or white crystals with ammonia like odor. It is very soluble in cold water; slightly soluble in acetone and insoluble in alcohol and ether. It is used to clean white metal; in lubricants for metal cold working, as an analytical reagent; fungicide, reducing agent; brightener in silver plating bath, and in hair waving preparations; fog screens, and cleaning compounds for zinc base die cast metals and it is used as a desiccant and defoliant in crop bearing plants. Inhalation of dust may irritate respiratory system. Contact with eyes or skin may cause irritation. Ingestion may be harmful. |
| References | 1.https://pubchem.ncbi.nlm.nih.gov/compound/ammonium_thiosulfate#section=FDA-Requirements 2. https://en.wikipedia.org/wiki/Ammonium_thiosulfate |
| Chemical Properties | white or colourless crystals |
| Chemical Properties | Ammonium thiosulfate is a white crystalline solid with an ammonia odor. |
| Physical properties | Colorless, monoclinic crystal; hygroscopic; decomposes on heating above 100°C; density 1.679 g/cm3; very soluble in water (64 g/100 g at 20°C), insoluble in alcohol, and slightly soluble in acetone. |
| Uses | Ammonium thiosulfate finds application for leaching of gold and silver since it forms strong complexes. It is widely utilized as a photographic fixing agent, which acts quicklier than sodium thiosulfate fixers. It serves as a fertilizer. It acts as an additive to coal-waste mixtures to inhibit the formation of dangerous dioxins and furans. It is used as an analytical reagent in laboratories. |
| Uses | To clean "white" metal; in photography; in lubricants for metal cold-working. |
| General Description | AMMONIUM THIOSULFATE is a white crystalline solid. AMMONIUM THIOSULFATE is very soluble in water. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. AMMONIUM THIOSULFATE is used in photography, in chemical analysis, and for many other uses. |
| Air & Water Reactions | Hygroscopic. Very soluble in water. |
| Reactivity Profile | AMMONIUM THIOSULFATE is sensitive to heat. AMMONIUM THIOSULFATE is incompatible with magnesium and aluminum powder. Mixtures with sodium chlorate can cause an exothermic reaction which can then decompose explosively. . Reacts with strong oxidizers such as chlorates, nitrates, and nitrites to release toxic ammonia, hydrogen sulfide, and sulfur trioxide gases. Will not polymerize. Ammonia, hydrogen sulfide, and oxides of nitrogen and oxides of sulfur may form in fires [USCG, 1999]. |
| Health Hazard | Inhalation of dust may irritate respiratory system. Ingestion could be harmful. Contact with eyes or skin may cause irritation. |
Packing &shipping&Payment
Packing:25kg/drum
Shipping:by sea or by air
Payment:T/T,western union,moneygram
Packaging Details drum
Port:Tianjin
Lead Time :
Shipping:by sea or by air
Payment:T/T,western union,moneygram
Packaging Details drum
Port:Tianjin
Lead Time :
| Quantity(Kilograms) | 1 - 10000 | >10000 |
| Est. Time(days) | 5 | To be negotiated |
Company information
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in 4'-Methylacetophenone,Levamisole hydrochloride ,N-Methylformamide and other chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.
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China- Since: 2017-12-08
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