L-Isoleucine

Chemical Name：	7-Isopropoxy-3-Phenyl Chromone
Structure Formula：
Molecular Formula：	C6H13NO2
Molecular Weight：	131.17
Cas No：	[73-32-5]
Characteristics：	White crystals or crystalline powder, tasteless.
Quality Standards：	USP24, FCCIV and etc.
Item	Specifications
	USP24	FCCIV
Appearance	White crystals or crystalline powder
Assay, %	98.5~101.5	98.5~101.5
Specific optical rotation	+38.9°~ +41.8°	+38.6°~ +41.5°
PH Value	5.5~7.0	5.5~7.0
Loss on drying , %	≤0.3	≤0.3
Residue on ignition, %	≤0.3	≤0.2
Sulfate (as SO4), %	≤0.03	- - -
Chloride (as Cl),%	≤0.05	- - -
Heavy Metals (as Pb), %	≤0.0015	≤0.002
Lead, %	- - -	≤0.001
Iron, %	≤0.003	- - -
Organic volatile impurities	Meets the requirements	- - -
The Characteristics and Uses：
Package and Transport：	The inner packed with two layer polyethylene plastic bags; the outer packed with the paper board barrel. Net weight 25kg. Handle with care. Protect the product from sunshine or rain. Do not transport with poisonous or harmful goods. This product belongs to the non-dangerous product category and can be transported as a general chemical product.
Storage：	Cool, dry, dark in closed containers, recommended limit 2 years.