24小时最新更新免费观看片,婷婷亚洲五月,尤物导航,久久99精品亚洲热综合

tel.png
TEL
+86-318-8628255
PRODUCTS > Amino Acid > L-Isoleucine

L-Isoleucine

Chemical Name:7-Isopropoxy-3-Phenyl Chromone

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.  

ItemSpecifications
USP24FCCIV
AppearanceWhite crystals or crystalline powder
Assay,%98.5~101.598.5~101.5
Specific optical rotation+38.9°~ +41.8°+38.6°~ +41.5°
pH Value5.5~7.05.5~7.0
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- - -

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.