CREMOPHOR (R) A25 (68439-49-6)
1、 Basic Information
1. Chemical name: Cetearyl alcohol polyether-25
2. Chinese alias: Cetearyl alcohol polyether-25; Leveling agent O (flat addition O-25); C16-18 alcohol polyoxyethylene ether
3. English name: CREMOPHR (R) A25
4. Molecular formula: R - (OCH ₂ CH ₂) ₙ - OH (R is a cetearyl alkyl group, n ≈ 25）
5. Molecular weight: Approximately 1200-1600 (depending on degree of polymerization)
6. CAS number: 68439-49-6
7. EINECS number: Not applicable (belongs to polymer)
8. Appearance: White to light yellow paste like substance or waxy solid, with a slight characteristic odor, easily soluble in water and alcohols, forming a milky white colloidal solution.
2、 Technical parameters
project
Unit
Standard
Appearance
White flakes
acid value
mgKOH/g
≤5
hydroxyl value
mgKOH/g
35-45
PH value 25 ℃ (1% aqueous solution)
6.5-8
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
The standard packaging includes 25kg woven bags lined with plastic bags or 50kg plastic drums, or customized packaging forms according to customer needs.