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Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA, Dubai and UAE. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards. We can supply the material in grams for your laboratory trial and in tons for your plant scale jobs.
Our manufacturing facility is FDA approved and cGMP, GLP (FDA) Approved, ISO-9001, ISO-14001, ISO/IEC 17025, ISO OHSAS 18000, ISO 22000-2005 HACCP, FSSAI, FSSC-22000, certified. Apart from good manufacturing practice, we also follow good laboratory practice. We are offering products manufactured as per Kosher and Halal approved certified method. We are pre-registered with "Reach" for export to European countries. We can give all solid chemical materials as per specified size or shape. We observe WHO Good manufacturing practice and Good laboratory practice.
Sodium Thiosulfate Anhydrous Pentahydrate SDS of Manufacturers
Sodium thiosulfate (Na2S2O3), also spelled Sodium thiosulphate, or thio sulphate is a colorless crystalline compound that is more familiar as the pentahydrate, Na2S2O3�5H2O. It is an efflorescent, monoclinic crystalline substance also called sodium hyposulfite or �hypo.�
Sodium Thiosulphate Pentahydrate or Sodium Thiosulfate or Sodium Hyposulfite Specifications:
ITC-HSN Code: 2832 30 10
CAS: 10102-17-7 (7772-98-7 Anhydrous)
Formula : Na2S2O3.5H2O
Molecular Weight: 248
Appearance: White Crystalline
Sodium Thiosulphate Commercial
Parameters Specifications Appearance Fine Crystalline pH of 10% Aqueous Solution 6.5 to 8 Assay 98% minimum Sulphites & Sulphates 1% max Heavy Metals Less than 5 ppm Iron Less than 10 ppm
Sodium Thio sulfate Pure
Parameters Specifications Appearance White Uniform Crystals (10 mesh)男吻我腿中间的那个位置 第648免费高清在线观看 男吻我腿中间的那个位置 第648免费高清在线观看 ,阿娇陈冠希无处理照 高清在线观看 完整视频大全 阿娇陈冠希无处理照 高清在线观看 完整视频大全 pH of 10% Aqueous Solution 6.5 to 8 Assay 99% minimum男吻我腿中间的那个位置 第648免费高清在线观看 男吻我腿中间的那个位置 第648免费高清在线观看 ,阿娇陈冠希无处理照 高清在线观看 完整视频大全 阿娇陈冠希无处理照 高清在线观看 完整视频大全 Sulphites & Sulphates 0.2% max Heavy Metals Less than 5 ppm Iron Less than 10 ppm
Sodium Thiosulfate Photographic P4 & P8 Pea Crystals
Parameters Specifications Appearance Cylindrical Pellets (5 mm to 10 mm for P4) & (2 mm to 5 mm for P8) pH of 10% Aqueous Solution 6.5 to 8 Assay 99.5% minimum Sulphites & Sulphates 0.2% max Heavy Metals Less than 3 ppm Iron Less than 5 ppm
Specifications of Sodium Thiosulfate Anhydrous surpassing IP BP USP and Reagent Grade Standards:
Description: It appears as white powder free from foreign particles.
Solubility 10% aqueous solution: Freely soluble in water.
(A)Reaction of Sodium
(B)Reaction of Thiosulphate
A solution responds to the test for Sodium and for Thiosulphate
Insoluble Matter: Not more than 0.25%
Calcium: Prescribed Test. No turbidity is produced.
pH: 6 to 8.4
Sulphites and Sulphates: Maximum 0.5%
Heavy Metals: Maximum 0.001%
Sodium Sulphite: Maximum 0.5%
Iron as Fe: Not more than 0.001%
Residual Solvent: To meet the requirement
Assay: Not less than 99% and not more than 100.5% of Na2S2O3 on anhydrous basis.
We can give both the grades Sodium Thiosulfate Pentahydrate and Anhydrous. We can give the technical grade small crystals and large crystals too.
We offer Sodium Thiosulphate BP IP, Sodium Thiosulfate USP, and Sodium Thiosulfate Extra Pure from our world class FDA approved, ISO-9001-2008, ISO-22000-2005 Certified facility.
Information on IP, BP, USP, Analytical Reagent, Food Grade is provided by manufacturer on Hypo USP Reagent AR BP IP Food Grade
The thiosulfate anion is tetrahedral in shape and is notionally derived by replacing one of the oxygen atoms by a sulfur atom in a sulfate anion. The S-S distance indicates a single bond, implying that the sulfur bears significant negative charge and the S-O interactions have more double bond character. The first protonation of thiosulphate occurs at sulfur.
Thiosulfate anion characteristically reacts with dilute acids to produce sulfur, sulfur dioxide and water
Na2S2O3 + 2HCl → 2NaCl + S + SO2 + H2O
This reaction is known as a clock reaction, because when the sulfur reaches a certain concentration the solution turns from colourless to a pale yellow. This reaction has been employed to generate colloidal sulfur. When the protonation is conducted at low temperatures, H2S2O3 (thiosulfuric acid) can be obtained. It is a strong acid pKa
In analytical chemistry, the most important use comes from the fact that the thiosulphate anion reacts stoichiometrically with iodine, reducing it to iodide as it is oxidized to tetrathionate:
2 S2O32−(aq) + I2(aq) → S4O62−(aq) + 2 I−(aq)
Due to the quantitative nature of this reaction, as well as the fact that Na2S2O3�5H2O has an excellent shelf-life, it is used as a titrant in iodometry. Na2S2O3�5H2O is also a component of iodine clock experiments.
This particular use can be set up to measure the oxygen content of water through a long series of reactions. It is also used in estimating volumetrically, the concentrations of certain compounds in solution (hydrogen peroxide, for instance), and in estimating the chlorine content in commercial bleaching powder and water.
Sodium thiosulphate is one component of an alternative lixiviant to cyanide for extraction of gold. It forms a strong complex with gold (I) ions, [Au(S2O3)2]3-. The advantage of this approach is that thiosulfate is essentially non-toxic and that ore types that are refractory to gold cyanidation (e.g. carbonaceous or Carlin type ores) can be leached by thiosulphate. Some problems with this alternative process include the high consumption of thiosulfate, and the lack of a suitable recovery technique, since [Au(S2O3)2]3- does not adsorb to activated carbon, which is the standard technique used in gold cyanidation to separate the gold complex from the ore slurry.
Sodium thiosulphate is also used in analytical chemistry. It can, when heated with a sample containing aluminum cation, produce a white precipitation:
2Al3+ + 3S2O32- + 3H2O → 3SO2 + 3S + 2Al(OH)3
It is used as an antidote to cyanide poisoning. Thiosulphate acts as a sulfur donor for the conversion for cyanide to thiocyanate (which can then be safely excreted in the urine), catalyzed by the enzyme rhodanase.
It has also been used as treatment of calciphylaxis in hem dialysis patients with end-stage renal disease.
Sodium thiosulfate is used as a component in hand warmers and other chemical heating pads that produce heat by exothermic crystallization of a super cooled solution.
Sodium thiosulphate is used in Bleach.
In pH testing of bleach substances.
To de-chlorinate tap water for aquariums or treat effluent from waste water treatments prior to release into rivers. The amount of Sodium thiosulphate required can vary with the pH of the water. A range of approximately 2 to 7 parts sodium thiosulfate to neutralize one part chlorine is generally suggested. To neutralize 1 liter of a 200 ppm chlorine solution, approximately 0.4 - 1.4 grams of sodium thiosulfate would be required.
It is used to lower chlorine levels in swimming pools and spas following super chlorination.
It is used to remove iodine stains, e.g. after the explosion of nitrogen triiodide.
Sodium thiosulphate is used in bacteriological water assessment.
It is used in the tanning of leather.
Melted sodium thiosulfate is very easy to overcool to room temperature and when crystallization is forced, the sudden temperature jump to 48.3�C can be experienced by touch. It is used in phase change material.
Sodium thiosulfate or Sodium thiosulphate is used in paper industry.
It is used in medicine and as disinfectant. A low amount can be found in natural hot springs water, but they do have trace sodium sulfide too, which is why it can used to treat skin problems and some bathe in it to relieve them of skin problems, rheumatism, although indirectly. It is systemically for cyanide or arsenic poisoning and topically as an anti�fungal.
It is used in electroplating.
As part of patina recipes for copper alloys.
Often used in pharmaceutical preparations as an anionic surfactant to aid in dispersion.
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Last updated 26-sep-20
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Fast Selling IP BP Ph Eur EP USP Analytical Reagent FCC Food Grades of Chemicals by Anmol Chemicals
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