Origin	China
Model Number	STPP
Brand Name	TL
CAS No.	7758-29-4
Purity	94% 96%
Grade	Technical Grade

1.Product Name Sodium Tripolyphosphate (STPP) Tech Grade  
H. S. Code 28353190 
CAS No. 7758-29-4 
Molecular Formula Na5P3O10 
Molecular wt 367.86  
Production standard GB/T9983-88  
2. Stpp Specification
Na5P3O10 content (purity) % ≥ 94.00
P2O5 content % ≥ 56
Fe Content ≤ 70 ppm
Water Insoluble % ≤ 0.10
Bulk Density g/ml 0.6 ~0.9
Phase I content % 5~40
Whiteness % 85 min
pH value (1% water solution) 9.2 ~10.0
Loss on drying (500C ) %
Residue on % 18 mesh 20 mesh 40 mesh 100 mesh  
Hydration speed (R. O. H) 1 min. \5 min.
Volatile matter (105 C) %  

3.Appearance white powder
Packing 25/1000/1100kg bags, PP bag with PE liner, 20~25mt/20FCL

 4.Contact : Skype : annie.wang86   

MSN/Email :  annie(at)tianleichem(dot)cn