Product name: 2,5-Dimethoxy benzaldehyde    

Formula structure:C₉H₁₀O₃

Cas No.: 93-02-7

Batch No.: 20171201

Quantity: 500kg

MFG. Date: Dec.,2017

EXP. Date: Nov., 2020

Items

Specifications

Results

1. Description

Off white to yellowish crystalline powder

Conforms

2. Identification(HPLC)

Reservation time as reference standard

Conforms

3.Assay（HPLC）

≥98.5%

99.6%

4. Melting range

48.5-51.5℃

49.0-51.0℃

5. Residue on ignition

≤0.1%

0.02%

6. Water

≤1.0%

0.50%

Conclusion: conforms to the enterprise standard