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9005-66-7

Tween40 CAS9005-66-7

Tween40
Tween40 CAS9005-66-7
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Polyoxyethylene sorbitan monopalmitat  Tween 40  CAS9005-66-7

1. General

Appearance: Yellow to amber cream

Chemical Name: Tween 40

Synonyms: Polyoxyethylene sorbitan monopalmitate.

Molecular Formula: C22H42O6(C2H4O)n

Molecular Structure:

CAS No.: 9005-66-7

2. Specification

Parameter

Unit

Specification

Test Method

Hydroxyl value

mgKOH/g

85~100

GB/T 7384

Saponification number

mgKOH/g

40~55

HG/T 3505

Acid value

mgKOH/g

≤2

GB/T 6365

Water content

% m/m

≤2.5

GB/T 7380