2-PYRROLIDONE
■ Chemical Description
--2-pyrrolidone (abbr. α-P)
■ CAS No. 616-45-5
■ Molecular and Structural Formula C4H7NO
■ Characteristics
-- A colorless to slightly yellow liquid, with a faint amine odor;
-- A high-polar solvent and it is miscible with water and conventional organic solvents;
■ Specification Ph Eur ,USP/NF,BP,JP
No |
Tests |
Specification |
1 |
Appearance |
Clear,yellowish liquid |
2 |
APHA |
≤100.(Pt-Co Color) |
3 |
Assay |
≥99.0% (by gas chromatography) |
4 |
γ-Butyrolactone |
≤0.2% (by gas chromatography) |
5 |
N-Vinylpyrrolidone |
≤0.2% (by gas chromatography) |
6 |
Water |
≤0.1% |
■ Application
--Produce synthetic resin, pesticide, polyvalent alcohol, printing inks and iodine;
--Produce the raw materials of production of polyvinyl pyrrolidone, poiyamide-4 fiber and piracetam, etc;
■ 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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