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4-hydroxycoumarin 1076-38-6
4-hydroxycoumarin 1076-38-6

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product name:4-hydroxycoumarin
appearance:light yellow to brown crystalline powder

Test  Item

Analysis  Specification

Result

Appearance

A white or almost crystalline power

white crystalline power

Assay

≥99.0%

99.57%

Sulfate residue

≤0.2%

0.06%

Loss on drying

≤0.5%

0.03%

Melting point

213~217°C

215.0~216°C

Conclusion

In accordance with the standard of enterprise.

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