Product

2,7-Dihydroxynaphthalene

CAS No

582-17-2

Batch no.

15060401

Quantity:

1.00kg

Date of manufacturing:

June,04,2015

Date of test:

June,04,2015

Parameters

Specification

Results

Appearance

off-white powder

Conformed

Purity

99%min

99.32%

Assay

98%

98.22%

Melting point

188℃min

188.5℃

2-naphthol

0.5%max

0.3%

Water

1%max

0.5%

Ash

1%max

0.3%

Storage

Room temperature with sealed well

Conclusion:

Comply to the enterprise standard