Gantrade MPO (2-Methyl 1, 3-Propane Diol)

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Gantrade MPO (2-Methyl 1, 3-Propane Diol)
Categories:	Fluid
Material Notes:	MPO is a versatile non-toxic short chain diol possessing two primary hydroxyl groups. MPO is much less hygroscopic than butanediol (BDO). MPO can be used in the following applications: Polyester Resins (Unsaturated / Saturated) Neopentyl Glycol (NPG) Polyester Polyols (Replaces 1, 4-Butane Diol (BDO) in aliphatic polyester polyols) Polyurethane Chain extender (Replaces BDO) Liquid detergents (Replaces Propylene Glycol) Diluent for Amine Catalysts Benefits of using MPO in saturated and unsaturated polyester resins: Inhibits crystallization in polyesters and improves compatibility & handling. Has good solubility in styrene and therefore less styrene is needed. Gives toughness and flexibility to the finished polyester. Shows improved moisture resistance and weatherability (especially in Marine UPR). Reacts quicker than other polyols to improve reactor productivity and gives lower color polyesters due to the lower reaction temperature required. Exhibits good compatibility with polyethers and polyester without phase separation. Information provided by Gantrade Corporation.
Key Words:	Synonyms: Methyl Propanediol, Propane-1,3-diol-2-methyl. Formula C₄H₁₀O₂
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Physical Properties	Original Value	Comments

Molecular Weight	90.12 g/mol

Thermal Properties	Original Value	Comments
Melting Point	-54.0 °C
Boiling Point	212 °C

Component Elements Properties	Original Value	Comments
H2O, Water	<= 0.030 %
Iron, Fe	<= 0.000050 %	<0.5 ppm

Descriptive Properties
Appearance	Clear, Colorless Liquid
Carbonyl (as -CHO)	<500 ppm
CAS Number	2163-42-0
Color (APHA)	<20
Purity	>98%

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PGANT970 / 249563

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