Product name:
Propylene glycol (PG)
Propylene glycol (PG)
Property
CAS No.: 57-55-6
Formula: CH3CHOHCH2OH
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:
INDUSTRIAL GARDE
| TEST |
UNIT OF |
SPECIFICATIONS |
| Description |
Measure |
Minimum |
Maximun |
| Assay as PG on a dry basis |
Weight % |
99.5 |
|
| Water |
Weight% |
|
0.1 |
| Color,Pt-Co |
APHA Color |
|
10 |
| Specific Gravity@20/20ºC |
-- |
1.0370 |
1.0390 |
| Refractive Index @25C |
--- |
1.4310 |
1.4350 |
| Free acid,(CH3COOH) |
Weight ppm |
|
75 |
| Residue on lgnition |
Weight ppm |
|
80 |
| Distillation range(L) |
Degree C |
184 |
189 |
| Distillation range(U) |
Degree C |
184 |
189 |
| Distillation volume,Vol% |
Vol% |
95 |
|
| END OF TEST DATE |
|
|
USP GRADE
Items Unit Specification Results
EG Weight ppm 50max <1
DEG Weight ppm 50max <1
Color Apha color 10max <10
Moisture Weight % 0.1max 0.054
Specific Gravity @(25/25ºC) 1.0350-1.0370 1.036
Refractive index 25ºC 1.431-1.433 1.431
Distillation range (L),ºC 184.0-189.0 185
Distillation range (U),ºC 184.0-189.0 189
Distillation volume Vol% 95min 97.2
Identification - passed passed
Acidity ml 0.20max 0.18
Chloride Weight % 0.007max <0.007
Sulfate Weight % 0.006max <0.006
Heavy metals Weight ppm 5max <5 Iron ppm 2max 1
Residue on ignition Weight % 0.007max 0.005
Organic Volatile impurity Chloroform(µg/g) - 60max Non-detected Organic Volatile impurity 1.4 dioxane(µg/g) - 380max Non-detected Organic Volatile impurity methylene chloride(µg/g) - 600max Non-detected Organic Volatile impurity trichloroethylene(µg/g) - 80max Non-detected Assay GLC% 99.8min 99.91
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.
We are a specialized chemicals company, which is specialize in the development, marketing and after-sales service of Chemicals, Additives, Fertilizers and Main industrial products.
Our management team has been in the chemical business more than 10 years, with deep penetration in Chinese market.
Our Main products including EDTA Series,Urea prilled/Granular. NPK Fertilizers. Sulphates Series,
Nitrates Series,Food additives,Feed additives.
In the year 2013,we will expand our market to Water Treatment Chemicals,a specialized department for it has be established.
We always insist on the spirit of "sincerity, quality first, mutual benefit and common development". Also
have professional staffs, enables us to fulfill your needs throughout the world. Being online and on time
has always been our first rule of serving customers.
friendly customer service
99% Industrial Grad Propylene glycol (PG)
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