Sodium Trimetaphosphate(also called STMP) is a metaphosphate of sodium with a formula of Na3P3O9.
The CAS No. of sodium trimetaphosphate is 7785-84-4,while the EINECS No. is 232-088-3.
It is a colorless or white crystal that finds specialized applications in food and construction industries.
Sodium trimetaphosphate is also used as a raw material of detergent and drying bleach,etc.
CAS No.: 7785-84-4
Other Names: Trisodium Trimetaphosphate,STMP
MF: Na3P3O9
EINECS No.: 232-088-3
Grade Standard: Industrial Grade
Purity: 68% min
Appearance: White powder
Application:
Water Treatment,Detergent,food,Gypsum Board
P2O5: 68% min
As: 0.0003% max
Heavy Metal(As Pb): 0.001% max
Fluoride: 0.005% max
PH(1% solution): 6.0-9.0
Insoluble: 0.1% max
Molecular Weight: 305.89
CAS No.: 7785-84-4
Other Names: Sodium Trimetaphosphate STMP
MF: Na3P3O9
EINECS No.: 232-088-3
Grade Standard: Industrial Grade
Purity: 68% min
Appearance: White powder
Application:
Water Treatment,Detergent,food,Gypsum Board
P2O5: 68% min
As: 0.0003% max
Heavy Metal(As Pb): 0.001% max
Fluoride: 0.005% max
PH(1% solution): 6.0-9.0
Insoluble: 0.1% max
Molecular Weight: 305.89
"Type: Food Additives
Origin: China
CAS No.: 12124-56-8
AUCO No.: 361
Packing: 25kg bag"
Items Standard
Appearance white powder
P2O5 60-71%
Inactive phosphates as P2O5 7.5%max
Fe 0.05%max
Water insoluble 0.1%max
PH of 1% solution 3.0-9.0
Loss on ignition 1% max
As 1ppm max
Pb 1ppm max
Heavy Metals as Pb 10ppm max
Cd 1ppm max
Hg 1ppm max
Flurode as F: 10ppm max
The alkaline phosphates offer detergency activity in combination with the properties of sequestration, dispersion and buffering ability. STPP is used in water softening, industrial cleaners, food uses, detergent, emulsifier of oil and grease, peptizing agent, deflocculating agent in oil well, sequester in cotton boiling.
Sodium Tripolyphosphate Kosher/FCC (GUSTO M31)
WC Code: 19-053-01
Sales Specification
Appearance: White Odorless Powder -Very Hygroscopic, risk caking
pH (1% Sol) (%): 9.2 - 10.2
Phosphate as P2O5: 54.0 - 56.0
Fluoride as F (ppm): 10.0 Max
Arsenic as As (ppm): 1.0 Max.
Lead as Pb (ppm): 1.0 Max.
Cadmium as Cd (ppm): 1.0 Max.
Mercury as Hg (ppm): 1.0 Max.
Packing
"Type: Industry Grade/Food Grade
Origin: China
CAS No.: 7785-84-4
AUCO No.: 358
Packing: 25kg bag"
Items Standard
Sodium Trimetaphosphate as (NaPO3)3 99%
Sodium Trimetaphosphate as P2O5 69%
PH (10g/L water solution) 6.0~9.0
Heavy Metal (As Pb) 0.001%
Arsenic 0.0003%
Fluoride 0.001%
Water Insoluble 0.05%
Lead 0.0002%
Zinc 0.001%
Fe2O3 0.002%
Particle Size (Passing through 80 mesh) 97%
