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wholesale Hydroquinone （99% Photo Grade）
FOB Price:USD50.00/kg
Quantity:  kg
Minimum Order Quantity: 25kg
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Specification Supplier Information
CAS Number: 123-31-9
Purity: 99%
Molecular Formula: C6H6O2
Molecular Weight: 110.11
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Specification

CAS Number 123-31-9
Purity 99%
Molecular Formula C6H6O2
Molecular Weight 110.11
MOQ 25kg
Specification 99%
Appearance White crystalline powder
Hydroquinone （99% Photo Grade） Detail

     CERTIFICATE OF ANALYSIS
　 　 　 　
Name of product HYDROQUINONE Ref.No. 　
Source of sample Workshop Date of producing 2010.03.10
　 　 　 2010.03.10
Spec. Photo grade Date of analysis
Lot No. Quantity 201003038   2T 　 2010.03.10
Date of report
　
Item Specification Result Conclusion
Appearance 　 　 　 confirmed
White acicular crystal or White acicular crystal
crystal powder 　 　
Content（%） ≥99-101 99.9 confirmed
Melting point(℃) 171-175 171.4-172.5 confirmed
Residue after ignition(%) ≤0.05 0.03 confirmed
Fe(%) ≤0.002 ＜0.002 confirmed
Pb(%) ≤0.002 ＜0.002 confirmed
Conclusion confirmed 　 　 　 　
　 　 　 　

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