Qingdao Dechen Chemical Co., Ltd.

Medical intermediate

	N,N'-dicyclohexylcarbodiimide (DCC)

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Rational Formula:
a) Mole. Form:C₁₃H₂₂N₂
b) Structural Formula:

c) Relative Molecular Mass: 206.33

Property & State:
It is white or light yellow crystal or transparent liquid with melting point: 32-36 ,boiling point: 154-156 (1,47kPa);It dissolves in benzene, alcohol, ethyl ether, but not in water. White to light yellow crystal or transparent liquid

Index of Quality

Name of Index	Index of Quality
Name of Index	High Grade	Grade I	Qualified
Appearance	White to light yellow crystal or transparent liquid	White to light yellow crystal or transparent liquid	White to light yellow crystal or transparent liquid
Content,%,	99.0	98.5	98.0
melting point( )	32-36	32-36	32-36
Acetone Insoluble Matter	None	None	None

Use:
This product is mainly used in amikacin, glutathione dehydrates, as well as in synthesis of acid anhydride, aldehyde, ketone, isocyanate; when it is used as dehydrating condensing agent, it reacts to dicyclohexylurea through short-time reaction under normal temperature.
This product can also be used in synthesis of peptide and nucleic acid. It is easy to use this product to react with compound of free carboxyl and amino-group into peptide.
This product is widely used in medical, health, make-up and biological products, and other synthetic fields.

Packing:
It is packed in 25L or 220L plastic buckets with net content 20kg/bucket or 180kg/bucket or other specifications of packing on customers' request.

Notes for use:
It is irritant. When its vapor or liquid touched skin, it will lead to dermatitis; when eye contacts it, it will lead to hurt of eye cornea. Need to protect when using it.
It should be stored in cool, ventilated, dry warehouse.