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| formaldehyde |
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| formaldehyde |
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| Mainly used as disinfector, also used as material for urotropin, phenolic resin, synthetic resin, synthetic fibre, neopentylene glycol and trimethylolpropane etc.. Appearance and properties: colorless, pungent, choky gas. Commodity is aqueous solution. |
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Index name Top-grade product First-grade product Qualified product Standard
Chroma（Pt-Co）, ≦
10 —
—
—
—
—
—
—
—
GB9009-88
Formaldehyde content，﹪
37.0-37.4 36.7-37.4 36.5-37.4 GB9009-88
Methanol content，﹪
≦
12 ≦
12 ≦
12 GB9009-88
Acidity（based on formic acid），﹪
≦
0.02 ≦
0.04 ≦
0.05 GB9009-88
Iron content，10-6 ≦
1 ≦
3 ≦
5 GB9009-88
Ash content，﹪
≦
0.005 ≦
0.005 ≦
0.005 GB9009-88
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