Product Name:

Selenious acid disodium salt Selenase;Tetrasodium diphospate decahydrate Tetrasodium pyrophosphate TSPP

Molecular formula

Na4P2O7

Molecular weight

265.9

Appearance:

white crystalline powder

Application:

Used as washing agebt,bleaching agent,water treatment agent,

electrical coating,petroleum drilling,etc.

Package: 

25KG double inner plastic and outer knitting bag;

customer’s demand

Specification:

In conformity to HG/T2968-1999,customer’s demand.

Storage :

Into the receptacle tightly, store in a cool, dry place

Density (g/mL, 25 DHS C)

2.534

Melting pointºC):

880

Solubility:

Soluble in water, alkaline aqueous solution, insoluble

in alcohol.

sodium pyrophosphate:≥ %

97.5

Water content:≥%

0.20

PH (10 g/L):

9.9-10.07

Orthophosphate:

Pass the test

Safety Condition

Risk Statements:

R36/37/38:Irritating to eyes, respiratory system and skin.

Safety Statements:

S26:In case of contact with eyes, rinse immediately with 

plenty of water and seek medical advice.

S36:Wear suitable protective clothing.

Acute toxicity

LD50:4000 mg/kg irritating