TSPP Tech Grade
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Post Date:
May 14,2014
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Expiry Date:
May 14,2015
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Detailed Description:
Cas No. :13472-36-1
Specs:96.5% Tech. Grade
Payment Method: L/C or T/T
Packing: 25kg woven bag
Volume/ 20’FCL: 22MT
Payment term : L/C at sight or
T/T (30% T/T in advance, 70%
against the copy of B/L).
Shipment Within 20 days
after receiving your L/C or 30%
deposite
Byname: Tetra Sodium pyrophosphate
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG/T2968-1999
(Technical Grade), GB8848-88(Food
Grade)
Properties:
White powder; Soluble in water
but insoluble in ethanol;
Relative density 2.45 and melting
point 890 ; Deliquescent in the
open air. Its aqueous solution
shows weak alkalinity and is
stable at 70 but will be
hydrolyzed into di-sodium
phosphate when boiled .
Uses:
Applied in industries of
detergents as detergent
auxiliary, paper production to
bleach and electroplating; In
food industry it is used as
buffering agent, emulsifier,
nutrition ingredients and quality
improver.
Packing and storage:
It must be stored in places well
ventilated and dry.
Specifications:
NO Specifications Industrial
Grade
1 Assay (as Na4P2O7 )%≥ 96.5
2 P2O5 %≥ 51.5
3 Ortho Phosphates Pass
4 PH Value 9.9-10.7
5 Water Insoluble matter % ≤0.20
6 Size (through 60mesh sieve)90%
Min.
7 L.O.I. % ≤ 0.50
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CAS Registry Number:
13472-36-1
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Synonyms:
;sodium pyrophosphate decahydrate;Diphosphoric acid, tetrasodium salt, decahydrate;Trisodium phosphate 12aq;tetrasodium diphosphate decahydrate;sodium phosphonato phosphate decahydrate;
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Molecular Formula:
H20NaO17P2
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Molecular Weight:
377.0875
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Molecular Structure:
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Hazard Symbols:
Xi:Irritant;
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Risk Codes:
R36/37/38:;
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Safety Description:
S26:;
S36:;
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