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USP Grade Propylene Glycol (PG) Pharmaceutical Grade CAS 57-55-6

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Hefei TNJ Chemical Industry Co., Ltd.

Audited Supplier 15 years

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Anhui, China
Sophia Zhang (Ms.)
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Model NO.:

445

CAS No.:

57-55-6

Formula:

C3h8o2

EINECS:

200-338-0

Type:

Synthesis Material Intermediates

Appearance:

Liquid

Quality:

Refined

Colour:

Colorless

Grade:

USP

Trademark:

TNJ

Transport Package:

200kg Drum

Specification:

99.5%min.

Origin:

Anhui China

HS Code:

3208988

Product Description

Propylene glycol (PG C3H8O2 ) is a colorless liquid with steady viscosity and good water absorption.It is nearly
odorless,uninflammable and almost nontoxic. It can be mixed and solved with alcohol,water and various organic agents
Propylene glycol (PG C3H8O2 ) is a colorless liquid with steady viscosity and good water absorption.It is nearly
odorless,uninflammable and almost nontoxic. It can be mixed and solved with alcohol,water and various organic agents

Product name
Synonyms

Propylene Glycol
Mono PropyleneGlycol ; 1,2-Propanediol ; propane-1,2-diol ; MPG

CAS No.

57-55-6

EINECS

200-338-0

M.F.

C3H802

M.W.

76.09

Chemical Structure

Properties

Propylene glycol (PG C3H8O2 ) is a colorless liquid with steady viscosity and good water absorption.It is nearly
odorless,uninflammable and almost nontoxic. It can be mixed and solved with alcohol,water and various organic agents.

Specification

Item	Index
Item	USP grade	Common Grade
Content	99.50 % min	99.00 % min
Moisture	0.20 % max	0.20 % max
Density d2020	1.035-1.041	1.035-1.041
Refractive index (25°C)	1.431-1.435	1.426-1.435
Distillation range, IBP	184.0°C min	183.0 °C min
Distillation range, DP	189.0 °C max	190.0 °C max
IR test	pass	--
Alkalinity	0.0020 % max	0.01 % max
Chloride	0.007 % max	--
Sulphate	0.006 % max	--
Heavy metal	5 ppm max	--
Residue on ignition	0.0070 % max	--
Oxidizing substance	Not required	--
Reducing matter	Not required	--
Organic volatile matter-chloroform	60 ppm max	--
Organic volatile matter-dioxane	380 ppm max	--
Organic volatile matter-methylene chloride	600 ppm max	--
Organic volatile matter-trichloroethylene	80 ppm max	--
Color (Pt-Co)	10 max	16 max
Appearance	Colorless, Viscous, transparent liquid

Application

Industrial grade:
1) Unsaturated Polyester Resins
2) Engine Coolants and Antifreeze
3) Hydraulic and Brake Fluid
4) Aircraft Deicing Fluid
5) Heat Transfer Fluids
6) Paint and Coatings
7) Liquid Detergents
Pharmaceutical grade (USP):
1) Flavors and Fragrance
2) Comestics and Personal Care
3) Food and Flavorings
4) Pet Food and Animal Feed
5) Pharmaceutical Excipient
6) Tobacoo Moisturizing Agent

Packing
215kg/steel drum or plastic drum, 80 drums=17.2mt/20GP

Storage

Tightly closed to prevent from leaking, avoid rain and sunlight, far from fire and heat source.
Stored in cool and ventilating places.