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By certification 
KOJIC ACID---------------------------------------------------------------------------------------------------------------------------------------------------------
CAS No.: 501-30-4----------------------------------------------------------------------------------------------------------------------
-----------------------
Character: Named 5-hydroxy-2-hydroxymethyl-1,4-pyrone, is a white or off white needle-like crystal. It
easily dissolves in water, alcohol and acetone, slightly dissolves in ether, ethyl acetate, chloroform and
pyridine, and does not dissolve in benzene.----------------------------------------------------------------------------
-----------------------------------------------------------------------
Molecular Formula: C6H6O4-----------------------------------------------------------------------------------------------------
--------------------
Specification-------------------------------------------------------------------------------------------------------------------------
-------------------------
ITEM--------------------------------------------------SPECIFICATION------------------------------------------------------------
------------------------
APPEARANCE---------------------------------------WHITE OR OFF WHITE CRYSTALS----------------------------------
------------------------
ASSAY------------------------------------------------89.0% MIN------------------------------------------------------------------
---------------------------
LOSS ON DRYING---------------------------------0.5% MAX--------------------------------------------------------------------
----------------------------
RESIDUE ON IGNITION--------------------------0.1% MAX---------------------------------------------------------------------
----------------------------
IRON---------------------------------------------------10 PPM MAX-----------------------------------------------------------------
---------------------------
HEAVY METALS (PB)-----------------------------3 PPM MAX-------------------------------------------------------------------
----------------------------
ARSENIC----------------------------------------------1 PPM MAX-------------------------------------------------------------------
----------------------------
CHLORIDES ------------------------------------------50 PPM MAX----------------------------------------------------------------
---------------------------
CLARITY OF SOLUTION--------------------------COLORLESS AND TRANSPARENT------------------------------------
--------------------------
PATHOOTENS--------------------------------------NONE
CAS No.: 501-30-4----------------------------------------------------------------------------------------------------------------------
-----------------------
Character: Named 5-hydroxy-2-hydroxymethyl-1,4-pyrone, is a white or off white needle-like crystal. It
easily dissolves in water, alcohol and acetone, slightly dissolves in ether, ethyl acetate, chloroform and
pyridine, and does not dissolve in benzene.----------------------------------------------------------------------------
-----------------------------------------------------------------------
Molecular Formula: C6H6O4-----------------------------------------------------------------------------------------------------
--------------------
Specification-------------------------------------------------------------------------------------------------------------------------
-------------------------
ITEM--------------------------------------------------SPECIFICATION------------------------------------------------------------
------------------------
APPEARANCE---------------------------------------WHITE OR OFF WHITE CRYSTALS----------------------------------
------------------------
ASSAY------------------------------------------------89.0% MIN------------------------------------------------------------------
---------------------------
LOSS ON DRYING---------------------------------0.5% MAX--------------------------------------------------------------------
----------------------------
RESIDUE ON IGNITION--------------------------0.1% MAX---------------------------------------------------------------------
----------------------------
IRON---------------------------------------------------10 PPM MAX-----------------------------------------------------------------
---------------------------
HEAVY METALS (PB)-----------------------------3 PPM MAX-------------------------------------------------------------------
----------------------------
ARSENIC----------------------------------------------1 PPM MAX-------------------------------------------------------------------
----------------------------
CHLORIDES ------------------------------------------50 PPM MAX----------------------------------------------------------------
---------------------------
CLARITY OF SOLUTION--------------------------COLORLESS AND TRANSPARENT------------------------------------
--------------------------
PATHOOTENS--------------------------------------NONE
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Contact Information
- Company Name：Chengdu Beyond Chemical Co., Ltd.
- Contact Person：Mr Jim Yan
- Telephone：86-28-86084545
- Fax：86-28-86084040
- Email：info@beyondchem.com
- Website：www.rare-earth.co
- Country/Territory：China
- Address：6-58, Hollywood Plaza, No.18, South Section 3, Erhuan Rd.
- Zipcode：610041
