Description
Properties:
Product name:sodium sulfide
CAS No.:********2
EINECS No.: ********5
H.S Code:*********0.
UN NO.:***9.
IMDG: 8.2.
Molecular Weight:*8.*4
Molecular Formula: Na2S
Appearance: Red or yellow, flakes or solid
Specifications:
Parameters *0PPM
*0PPM **0PPM
**0PPM ***0PPM
Na2S: *0% MIN *0%
MIN *0% MIN *0% MIN
*0% MIN
Na2CO3: 2.*0% MAX 2.*0%
MAX 2.*0% MAX 5.*0%
MAX 5.*0% MAX
Fe: 0.**3% MAX 0.**8%
MAX 0.**5% MAX 0.*3%
MAX 0.*5% MAX
Water insoluble: 0.*5% MAX
0.2%MAX 0.2% MAX 0.4%
MAX 0.4% MAX
Detailed Applications:
1. Dyeing industry: for the production of sulfur dye, green
vulcanization, blue vulcanization, reducing agent and mordant for
dye intermediates
2. Nonferrous metallurgy industry: as the flotation agent for
mineral
3. Leather industry: as the depilation agent for raw hide
4. Paper making industry: as the cooking agent for paper
5. Textile industry: for the reduction of synthetic fiber
denitration and nitration as well as the mordant for cotton fabric
dyeing
6. Pharmaceutical industry: for the production of febrifuge such as
phenacetin
7. Others: for the production of sodium thiosulfate, sodium
polysulfide and sodium bisulfide, ect
