Home Categories Inorganic chemistry Potassium pyrophospate
A6620412

Potassium pyrophospate , 97% , 7320-34-5

Synonym(s):
Potassium diphosphate tetrabasic;Tetrapotassium diphosphate

CAS NO.:7320-34-5

Empirical Formula: K4O7P2

Molecular Weight: 330.337

MDL number: MFCD00011393

EINECS: 230-785-7

Pack Size Price Stock Quantity
500G RMB31.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 1300 °C (lit.)
Density  2.33
vapor pressure  0Pa at 20℃
solubility  soluble in H
form  Powder
color  White
PH pH (40g/l, 25℃) : 10.0~11.0
Odor Odorless
PH Range 10
Water Solubility  SOLUBLE
Sensitive  Hygroscopic
Merck  14,7663
InChI InChI=1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4
InChIKey RYCLIXPGLDDLTM-UHFFFAOYSA-J
SMILES [K+].[K+].[K+].[K+].P(OP([O-])([O-])=O)([O-])([O-])=O

Description and Uses

Potassium pyrophosphate is mainly used as an emulsifier, quality improver and metal ion chelating agent. It can be found in herbicidal compositions as a spray adjuvant. It is also used as an anionic dispersant in water-based (latex) paints.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38-36
Safety Statements  26-36-22
WGK Germany  2
RTECS  JL6735000
TSCA  Yes
HS Code  28353990
Toxicity LD50 skin in rabbit: > 4640mg/kg

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