Propylene Glycol
■ Chemical Description
-- 1,2-propanediol,propylene glycol,Propylene Glycol
■ CAS No. 123120-98-9
■ Molecular and Structural Formula C3H8O2
■ Characteristics
-- Hygroscopic colorless viscous liquid, almost odorless;
■ Specification
No |
Tests |
Specificaiton |
1 |
Boiling Point oC |
188.2 |
2 |
Melting point oC |
-59 ℃ |
3 |
Flash point oC |
421.1 |
4 |
Viscosity (20 oC) mpa.s, |
56.0 |
5 |
Surface tension (25 oC) |
72.0 |
6 |
Specific heat capacity (20 oC) kJ / (kg. oC) |
2.49 |
7 |
Heat of vaporization (101.3kpa) kJ/kg |
711 |
■ Application
--Used as a wetting agent after mixed with glycerol or sorbitol in cosmetics, toothpaste and soap;
--Used in used cellophane, plasticizers and pharmaceutical industries;
■ Packaging and Storage
--Packed in 25, 50 kg fiber or plastic drum, inner lined with PE bags;
--Stored in dry place at room temperature;
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