武威海伦新材料科技有限公司
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Alias: 4-Hydroxybenzaldehyde
Molecular formula: C7H6O2
Molecular weight: 122.1213
CAS: 123-08-0
Structural formula:
4-Hydroxybenzaldehyde (PHBA) is an important organic synthesis intermediate and fine chemical product. It has a very important position in medicine, perfume, pesticide and electroplating, and LCD industry. In medicine, it can be used to synthesize sulfa drugs, a broad-spectrum antimicrobial synergist TMP, ampicillin, semi-synthetic oral penicillin intermediates, p-hydroxyphenic acid and other intermediates; in the perfume industry, it is mainly used for raspberry ketones , Methyl, ethyl vanillin, anisaldehyde and nitrile fragrances; in pesticides, it is mainly used to synthesize new pesticides and herbicides, bromoxynil, hydroxy dichlornitrile; in the electroplating industry as a new type Cyanide-free electroplating brightener.
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Inspection items |
Index value |
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Appearance |
Boutique level |
Semi-premium |
Crude grade |
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White crystalline powder |
Light yellow crystalline powder |
Light yellow crystalline powder |
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Purity:% |
≥99.8 |
≥99.5 |
≥99 |
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Moisture:% |
≤0.3 |
≤0.5 |
≤0.5 |
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Melting point: ℃ |
115.5~118 |
115~118 |
114.5~116.5 |
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Chloride: PPm |
≤50 |
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/ |
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Heavy metal: PPm |
≤8 |
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/ |
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Insoluble matter% |
≤0.05 |
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/ |
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Solubility |
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Clear and transparent |
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Packing: 25kg plastic woven bag, 25kg cardboard drum or according to customer requirements
