CONTACT US
Company: Choice Chemicals Ltd.
Address: Centre of City, No.235 Wuyi Road, Furong District, Changsha, Hunan Province 410011, P.R.China
Fax: 0086 731 89878447
E-mail: info@choice-chem.com
Sodium thiosulfate pentahydrate
Information
Appearance |
Colorless Transparent crystal |
CAS No. |
10102-17-7 |
EINECS. |
231-867-5 |
H.S CODE |
2832300000 |
Molecular formula |
Na2S2O3.5H2O |
Quality Standard
TEST ITEMS |
SPECIFICATION |
RESULT OF TEST REPORT |
PURITY |
99.00%MAX |
99.05% |
WATER INSOLUBLES |
0.01%MAX |
0.006% |
SULPHIDES |
0.001%MAX |
0.0005% |
PH VALUE |
6.5-9.5 |
~ |
IRON |
0.001%MAX |
0.0007% |
SIZE |
<5MM |
1-3MM |
Application
- The photographic industry is used as a photographic fixer.
- The paper industry is used as a chlorine removal agent after pulp bleaching.
- The printing and dyeing industry is used as a dechlorination agent for bleaching of cotton fabrics
- Analytical chemistry is used as a reagent for chromatography and capacity analysis.
- Disinfectant
Packaging & Transportation
Packing: In polythene plastic bag with a polypropylene overbag.
Net weight: 25,50kilo grams per bag.