CAS NO. ：10102-17-7
EINECS NO.: 231-867-5
Synonyms：Sodium thiosulphate pentahydrate
Chemical formulate：Na2S2O3.5H20
Sodium thiosulfate（Sodium thiosulphate）is a common thiosulfate with the chemical formula Na2S2O3. It is the product of one oxygen atom being replaced by a sulfur atom in sodium sulfate, so the oxidation numbers of the two sulfur atoms are -2 and+6, respectively.
Mainly used as a fixative in the photography industry. Secondly, when tanning leather, it is used as a reducing agent for dichromate, a neutralizing agent for nitrogen-containing exhaust gas, a mordant, a bleaching agent for wheat straw and wool, and a dechlorination agent for pulp bleaching. It is also used in the manufacturing of tetraethyl lead, dye intermediates, and silver extraction from ores.
Used in photography, film, textile, chemical fiber, paper making, leather, pesticide industry
Packing: 25kg plastic woven bag
|
APPEARANCE |
COLORLESS TRANSPARENT CRYSTAL |
|
|
CONTENT |
99%MIN |
99.1% |
|
SULPHIDE |
0.001%MAX |
LESS THAN 0.001% |
|
WATER INSOLUBLE |
0.01%MAX |
LESS THAN 0.01% |
|
Fe |
0.002%MAX |
LESS THAN 0.002% |
|
PH |
6.5-9.5 |
6.9 |
EN
AR
BG
HR
CS
DA
NL
FI
FR
DE
EL
HI
IT
JA
KO
NO
PL
PT
RO
RU
ES
SV
TL
IW
ID
SK
VI
HU
TH
TR
MS
GA
UR
BN
GU
LA
MR
PA
TA
TE
