Factory price Sodium Thiosulfate pentahydrate 10102-17-7

Basic Info

Model No.: ELLEN-CAS 10102-17-7

Shelf Life: 2 Years

Form:: Powder

CoA: Available

Sample: Free

CAS: 10102-17-7

Name:: Sodium Thiosulfate Pentahydrate

Additional Info

Packaging:  25kg/Drum

Productivity: 10000kg

Brand: zhishang

Transportation: Ocean,Land,Air

Place of Origin: Shandong, China (Mainland)

Supply Ability: in stock

Certificate: ISO CE

Port: Shanghai,Tianjin,Qingdao

Product Description

Sodium thiosulfate /sodium thiosulfate pentahydrate

1.Another name: Sodium thiosulfate 
2. Molecular formula: Na2S2O2 .5H 2
3. Molecular weight: 248.17

4.Properties :monoclinic crystal, Melting point : 40 -45oC , Relative density :1.729( 17 oC  ). 

5.Use:used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush   preventive agent, and as a disinfectant. and decolor agent 

6.Packing:25kg , 50kg plastic woven bag, or following your demand.




Standard Specification                                                            Typical Data
Purity: 99 % Min 99.10%                              
Water Insoluble: 0.01 % Max 0.01%
Na2S: 0.001 % Max 0.00%
Iron Content 0.002 % Max 0.002
PH Value: 6.5-9.5     8.7


 Physical info:


Physical state: Solid
Odor: Odorless.
Taste: Saline
Color: White
pH (1% soln/water):                             PH of a 5% solution :6.0-8.4                            
Boiling Point: >100°C(212°F)
Melting Point: 48°C(118.4°F)
Specific Gravity:  1.7-1.75(Water=1)
Vapor Pressure Not applicable
Dispersion Properties See solubility in water
Instability Temperature Not available.
Conditions of Instability Incompatible materials,moisture


Eye Contact:  Check for and remove any contact lenses.  In case of contact, immediately flush eyes with plenty of water for at least 15 minutes.  Cold water may be used.  Get medical attention immediately.
Skin Contact: Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops. Cold water may be used.
Serious Inhalation: Not available
Inhalation: If inhaled, remove to fresh air.  If not breathing, give artificial respiration.  If breathing is difficult, give oxygen.  Get medical attention immediately.
Serious Inhalation: Not available
Ingestion: Do NOT induce vomiting unless directed to do so by medical personnel.  Never give anything by mouth to an unconscious person.  If large quantities of this material are swallowed, call a physician immediately. 
Emergency Call: Phone: +1-703-741-5500 (from anywhere in the world, except for USA,  Call 1-800-262-8200 )

1) Used in photographic and electroplate applications
2) For purifying soft water and tanning hides
3) As a reducing agent, fixers, blush preventive agent, deoxidizer, sulfur dyeing agent, anti-whiting agent, detergent, disinfectant and color faking agent

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