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天津圣美克进出口有限公司
Sunmeik Chemical Co., Ltd.
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Home >> Detergent Raw Materials >> Additives >> Sodium Tripoly Phosphate (STPP)
Sodium Tripoly Phosphate (STPP)


Product identification:

Molecular Formula: Na5P3O10

Molecular weight: 367.86

CAS No.: 7758-29-4

Technical specification:

Assay as tripolyphosphate

94% min

P2O5 content

57% min

Water insoluble matter

0.1% max

Loss of weight at 130℃

0.1% max

PH

9.2-10.0

Whiteness

90% min.

Phase I content

20-40%

Fe

100 ppm max