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Sodium thiosulfate pentahydrate

Sodium thiosulfate pentahydrate
Sodium thiosulfate pentahydrate structure
CAS No.
10102-17-7
Chemical Name:
Sodium thiosulfate pentahydrate
Synonyms
1kg;16g;17g;18g;23g;26g;27g;FPV9;HYPO;4-MPH
CBNumber:
CB8108182
Molecular Formula:
H10Na2O8S2
Formula Weight:
248.18
MOL File:
10102-17-7.mol

Sodium thiosulfate pentahydrate Properties

Melting point:
48.5 °C
Boiling point:
100 C
Density 
1.01 g/mL at 25 °C
storage temp. 
Store at +5°C to +30°C.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Solid
color 
White tranparent
Specific Gravity
1.729
Odor
Odorless
PH Range
6 - 8.5
PH
6.0-7.5 (100g/l, H2O, 20℃)
Water Solubility 
680 g/L (20 ºC)
Merck 
14,8694
Stability:
Stable. Incompatible with strong acids, iodine, mercury.
InChIKey
AKHNMLFCWUSKQB-UHFFFAOYSA-L
Substances Added to Food (formerly EAFUS)
SODIUM THIOSULFATE
SCOGS (Select Committee on GRAS Substances)
Sodium thiosulfate
CAS DataBase Reference
10102-17-7(CAS DataBase Reference)
EPA Substance Registry System
Thiosulfuric acid (H2S2O3), disodium salt, pentahydrate (10102-17-7)
SAFETY
  • Risk and Safety Statements
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-37/39-36-26
WGK Germany  1
RTECS  WE6660000
10
TSCA  Yes
HS Code  28323000
Toxicity LD50 orally in Rabbit: > 5000 mg/kg
NFPA 704
0
1 0

Sodium thiosulfate pentahydrate price More Price(40)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.09147 Sodium thiosulfate solution c(Na?S?O? 5 H?O) = 0.1 mol/l (0.1 N) Titripur? Reag. Ph Eur,Reag. USP 10102-17-7 1 L $22.29 2021-03-22 Buy
Sigma-Aldrich 13479 Sodium thiosulfate pentahydrate puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5% 10102-17-7 500g-r $49.9 2020-08-18 Buy
Sigma-Aldrich HT1005 Sodium thiosulfate solution 2?g/dL in deionized water 10102-17-7 100 mL $55.4 2021-03-22 Buy
Sigma-Aldrich 1.06516 Sodium thiosulfate pentahydrate for analysis EMSURE? ACS,ISO,Reag. Ph Eur 10102-17-7 500 g $59.57 2021-03-22 Buy
Sigma-Aldrich 1.06514 Sodium thiosulfate pentahydrate cryst., EMPROVE? ESSENTIAL Ph Eur,BP,USP 10102-17-7 0.75 kg $37.1 2021-03-22 Buy

Sodium thiosulfate pentahydrate Chemical Properties,Uses,Production

Chemical Properties

translucent crystals or white powder

Chemical Properties

Sodium thiosulfate occurs as odorless and colorless crystals, a crystalline powder or granules. It is efflorescent in dry air and deliquescent in moist air.

Uses

Titrimetry.

Production Methods

On an industrial scale, sodium thiosulfate is produced chiefly from liquid waste products of sodium sulfide or sulfur dye manufacture. Small-scale synthesis is done by boiling an aqueous solution of sodium sulfite with sulfur.

brand name

Sulfactol (Sterling Winthrop).

Pharmaceutical Applications

Sodium thiosulfate is used as an antioxidant in pharmaceuticals (ophthalmic, intravenous, and oral preparations). It has also been used for its antifungal properties and as a reagent in analytical chemistry.

Safety

Sodium thiosulfate is used in ophthalmic, intravenous, and oral pharmaceutical preparations. Apart from osmotic disturbances, sodium thiosulfate is relatively nontoxic. It is moderately toxic by the subcutaneous route and mildly irritating to respiratory tract and skin. Large oral doses have a cathartic action.
LD50 (IP, mouse) 5.6 g/kg
LD50 (IV, mouse) 2.4 g/kg

storage

Sodium thiosulfate decomposes on heating. The bulk powder should be stored in a cool place, and the container should be kept tightly closed in a dry and well-ventilated place. It should not be stored near acids.

Purification Methods

Crystallise it from EtOH/H2O solutions or from water (0.3mL/g) below 60o by cooling to 0o, and dry it at 35o over P2O5 under vacuum. [Foerster & Mommsen Chem Ber 57 258 1924.] This salt is used as a secondary standard in volumetric analysis [Kilpatrick J Am Chem Soc 45 2132 1923], and is used as “Hypo” in photography [Hargreaves & Dunningham J Soc Chem Ind 42 147T 1923.]

Incompatibilities

Sodium thiosulfate is incompatible with iodine, with acids, and with lead, mercury, and silver salts. It may reduce the activity of some preservatives, including bronopol, phenylmercuric salts, and thimerosal.

Regulatory Status

GRAS listed. Included in the FDA Inactive Ingredients Database (IV solutions; ophthalmic solutions and suspensions; oral capsules, solutions, and tablets). Included in the Canadian List of Acceptable Non-medicinal Ingredients.

Sodium thiosulfate pentahydrate Preparation Products And Raw materials

Raw materials

Preparation Products


Sodium thiosulfate pentahydrate Suppliers

Global( 380)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan Tianfu Chemical Co.,Ltd.
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View Lastest Price from Sodium thiosulfate pentahydrate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-09-29 Sodium thiosulfate pentahydrate
10102-17-7
US $0.00 / Kg/Drum 25KG 99%-100.5%;USP 200 TONS WUHAN FORTUNA CHEMICAL CO., LTD
2021-08-26 Sodium Thiosulfate Pentahydrate
10102-17-7
US $10.00 / Kg/Drum 1KG 98% 10 ton Hebei Crovell Biotech Co Ltd
2021-08-25 Sodium thiosulfate pentahydrate
10102-17-7
US $1.00 / KG 1KG 98 100t Henan Xiangtong Chemical Co., Ltd.

Sodium thiosulfate pentahydrate Spectrum


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