Shanghai Rich Chemicals Co., Ltd.

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Propylene glycol

 

Product Name:Propylene glycol
CAS NO.:57-55-6                                                                     
Molecular formula: C3H8O2                       
 Molecular weight: 76.09
Characteristics:
It is a colorless liquid with steady viscosity and good water absorption. It is nearly odorless, uninflammable and minutely toxic. Its molecular mass is 76.09. Its viscosity (20oC), specific heat capacity (20oC) and latent heat of vaporization (101.3kpa) are respectively 60.5mpa.s, 2.49KJ/(kg. oC) and 711KJ/kg. It can be mixed and solved with alcohol, water and various organic agents.
Specifications:
 
Item
Index
Color, APHA
Max. 10
Content%
Min. 99.0
Moisture%
Max. 0.2
Specific Gravity (20/20)
1.035-1.039
Free acid,(CH3OOH),ppm
Max. 75
Residue, ppm
Max. 80
Distillation range>95%
184-190
Index of refraction
1.433-1.435
Usage:
 
It is the raw material for preparing unsaturated polyester resin, plasticizer, surface active agent, emulsifying agent and demulsifying agent. It can also be used as mould inhibitor, antiseptic for fruit, ice inhibitor and moisture preserving agent for tobacco.
Package:210kg iron drums,16.8mt/20FCL.

 


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