Sodium Tripolyphosphate STPP GB/FCC/E 451 (I)

• CAS No.: 13573-18-7
• Formula: H5nao10p3
• EINECS: 237-004-9
• Resource: Chemosynthesis
• Transport Package: in 25kg Composite Plastic Woven/Paper Bag with PE
• Specification: powder
• Trademark: DT
• Origin: China
• HS Code: 28353110
• Production Capacity: 10000mt

Product Description

1,Chemical Name:Sodium Tripolyphosphate,Sodium Triphosphate
2,M. F:Na5P3O10
3,M.W:367.86
4,Physical properties: White crystal powder,melting point is 622ºC, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+,Mg2+, can soften hard water, change suspension into solution, alkalescent, without causticity.
5,Quality standard: (GB1886.335-2021,FCC-V,E 451 (i))

Name of index	GB1886.335-2021	FCC-V	E 451 (i)
Sodium Tripolyphosphate,≥%	85	85	85
P2O5 , ≥%	56.0-58.0	-	56.0-59.0
Identification	-	-	Positive tests for sodium and for phosphate
Fluoride (as F) ,≤%	0.002	0.005	0.001
Arsenic (As) ,≤%	0.0003	0.0003	0.0001
Heavy Metal (as Pb) , ≤%	0.001	-	-
Higher polyphosphates , ≤%	-	-	1
Water Insoluble , ≤%	0.1	0.1	0.1
pH (1% aqueous solution)	9.1-10.1	-	9.1-10.2
Pb , ≤%	0.0002	0.0002	0.0001
Loss on drying (105 °C, 1 hour), ≤%	-	-	0.7
Cadmium ,≤%	-	-	0.0001
Mercury , ≤%	-	-	0.0001

6,Usage: In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
7,Packing: In 25kg composite plastic woven/paper bag with PE liner.
8,Storage and transport: It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.