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Sodium Thiosulfate Pentahydrate Supplier
CAS: 10102-17-7; EINECS: 231-867-5; Molecular Weight: 248; Formula : Na2S2O3.5H2O
FInOrIC, etymologically derived from our business line of Fine Inorganic, Organic and Industrial Chemicals, is the internationally preferred source for Chemicals. With customers in 55 countries across 5 continents, we source and sell most chemicals. Backed by company owned & operated full-fledged chemical manufacturing facilities in Midland & Houston, Texas with associated manufacturing sites in India, Dubai and China we are a truly multi-national chemical manufacturer and distributor.
Most of our or our partner facilities are either FDA-cGMP certified, ISO-9001:2008 certified, Halal and/or Kosher certified, REACH pre-registered ISO-22000:2005 HACCP.
Sodium Thiosulfate Manufacturers BP USP FCC Food Grade
MSDS of Sodium Thiosulfate Pentahydrate Manufacturers
Sodium Thiosulfate Thiosulphate Anhydrous
Spanish Sodio tiosulfato pentahidrato anhidro
Sodium Thiosulfate Pentahydrate
Technical & Pure Sodium Thiosulphate Pentahydrate
Also BP USP FCC Food Grade
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”.
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 colorless 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.
Sodium Thiosulfate Pea Crystals, Pentahydrate Sodium Thiosulfate Manufacturers:
ITC-HSN Code: 2832 30 10
CAS: 10102-17-7 (7772-98-7 Anhydrous)
Formula : Na2S2O3.5H2O
Molecular Weight: 248
Appearance: White Crystalline
Sodium Thiosulfate Pure
Parameters Specifications Appearance White Uniform Crystals (10 mesh) pH of 10% Aqueous Solution 6.5 to 8 Assay 99% minimum Sulphites & Sulphates 0.2% max Heavy Metals Less than 5 ppm Iron Less than 10 ppm
Sodium Thio Sulfate Photographic P4 & P8
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
We can give both the grades Pentahydrate and Anhydrous. We can give the technical grade small crystals and large crystals too.
We also offer Sodium Thiosulfate BP, Ph. Eur. and Sodium Thiosulfate Extra Pure from a world class FDA approved, ISO-9001-2008, ISO-22000-2005 HACCP Certified facility with Kosher & Halal approval.
Sodium Thiosulfate Pentahydrate Manufacturers:
Houston, Midland & Pleasanton, Texas, USA.
Tel: 1-855-346-6742 (1-855-FINORIC)
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12 April, 2017