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Propylene glycol

Inquiry
  Post Date: Apr 27,2016
  Expiry Date: Oct 24,2016
  Detailed Description: Cas No. :57-55-6

Propylene glycol (PG)
Property
CAS No.: 57-55-6
Formula: C3H8O2                           
Structural formula:
 
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.

Application
PG is the raw material for preparing unsaturated polyester resin, antifreeze, etc.It is also a moisture preserving agent for tobacco, cosmetic, etc. Besides, it is a good solvent in coating, paints, and others.

Specifications (It conforms to the Quality System Standard: ISO9001: 2000):

Index

High Grade

Technical Grade

PG content %

99.5

99.0

Moisture %     

0.10

0.20

Color  (Pt-Co) No.

10

16

Relative density d2020 g/cm3

1.035~1.038

1.035~1.040

Index of refraction(nd20)

1.431-1.435

1.428-1.435

Acidity(as acetic acid), %

0.01

0.02

Distillation range(IBP-DP) oC

184~190

183~190

Appearance

Colorless, viscous and transparent liquid,
no mechanical impurity

Packing, Storage and Transportation:
It can be packed by ISO tank, galvanized iron drum(net weight 215kgs), plastic drum, IBC or flexitank, etc.
This product should be stored in cool and windy special warehouse far from fire and transported as a general chemical product.

  CAS Registry Number:

57-55-6
  Synonyms: ;Propane-1,2-diol;Propylene Glycol;Glycol-Propylene;Dowfrost(Tm);
  Molecular Formula: C3H8O2
  Molecular Weight: 76.09
  Molecular Structure: 57-55-6 1,2-Propanediol
  Safety Description: S24/25:;

  Company: Shida Chemical Co., Ltd.     [ China ]        
  Contact: Pan
  Tel: 0532-68972206
  Fax: 0532-68972208
  Email: henry.pan@shidachemical.com
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