Propylparaben (94-13-3)
1、 Basic Information
1. Chemical name: Propylparaben
2. Chinese alias: Propylpropyl nipagin; Propyl hydroxybenzoate
3. English name: Propylparaben
4. Molecular formula: C10H12O3
5. Molecular weight: 180.2
6. CAS number: 94-13-3
7. EINECS number: 202-307-7
8. Appearance: White crystalline powder, odorless or with a slight special aroma, slightly bitter taste, and a burning sensation.
2、 Technical parameters
project
indicator
Mass fraction of propyl hydroxybenzoate (C10H12O3) (on a dry basis)/%
99.0～100.5
Melting point/℃
95~98
Mass fraction of free acid (calculated as hydroxybenzoic acid)/% ≤
zero point five five
Mass fraction of sulfate (calculated as SO4)/% ≤
zero point zero two four
Mass fraction of drying reduction/% ≤
zero point five zero
Mass fraction of burnt residue/% ≤
zero point zero five
Mass fraction of arsenic (As)/% ≤
zero point zero zero zero one
Mass fraction of heavy metals (calculated as Pb)/% ≤
zero point zero zero one
Note: The mass fraction of arsenic (As) and heavy metals (calculated as Pb) are mandatory requirements.
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
25kg bag