Isobutyl Paraben
■ Chemical Description
-- Isobutyl p-hydroxybenzoate, Isobutyl Paraben
■ CAS No. 4247-02-3
■ Molecular and Structural Formula C11H14O3
■ Characteristics
--Colorless tiny crystal or white crystalline powder;not smelly;
--Easily dissolved in the ethyl alcohol, the glacial acetic acid, the propylene glycol and the acetone;
■ Specification
No |
Tests |
Specification |
1 |
Content % |
≥99 |
2 |
Melting point oC |
75~77 |
3 |
The sulfate (counts by SO4) % |
≤0.024 |
4 |
Free acid (count by p-hydrobenzoic acid) % |
≤0.55 |
5 |
Residue % |
≤0.10 |
6 |
Heavy metal (count by Pb) μg/g |
≤10 |
7 |
The arsenic (As2O3 counts) μg/g |
≤4 |
8 |
Loss on Drying % |
≤0.5 |
■ Application
--Used as antiseptics and very few only uses .It is frequently used as the oil-in-water emulsifier after mixed with isopropyl p-hydroxybenzoate and butyl p-hydroxybenzoate;
■ Packaging and Storage
--Packed in 25, 50 kg fiber or plastic drum, inner lined with PE bags;
--Stored in dry place at room temperature;
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