2-Naphthol (135-19-3)
Basic Information
1. Chemical name: 2-Naphthol
2. Chinese alias: β - naphthol; 2-hydroxynaphthalene
3. English name: 2-Naphthol; β-Naphthol； 2-Hydroxynaphthalene
4. Molecular formula: C ₁₀ H ₈ O
5. Molecular weight: 144.17
6. CAS number: 135-19-3
7. EINECS number: 205-182-7
8. Appearance: White to light gray crystalline powder, may change color slightly over time
2、 Technical parameters
project
indicator
Premium product
First-class product
qualified product
Appearance
Gray white flakes or powder (allowed to turn dark yellow or dark red during storage)
2-Naphthol purity/%
≥99.50
≥99.00
≥98.50
Low boiling point content/%
≤0.05
≤0.05
≤0.10
Naphthalene content/%
≤0.02
≤0.10
≤0.20
1-Naphthol content/%
≤0.10
≤0.30
≤0.30
Thio-2-naphthol content/%
≤0.05
≤0.20
≤0.20
2,2 '- naphthol content/%
≤0.10
≤0.10
≤0.20
High boiling point content/%
≤0.20
≤0.30
≤0.50
Mass fraction of moisture/%
≤0.10
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
1. Standard packaging: 25kg plastic woven bag, cardboard drum or composite bag lined with double-layer plastic bag
2. Optional packaging: We can provide ton bags or other customized packaging according to customer needs