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Phenol ketone products

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Neopentyl glycol (NPG)
2,2-Bis(hydroxymethyl)propane
1,3-Propanediol, 2,2-dimethyl-
2,2-Dimethylpropane-1,3-diol
NPG Glycol,Neopentylglycol
2,2-Dihydroxy-2,2-dimethylpropane
Neopentyl Glycol
2,2-dimethylpropane-1,3-diol

+Expand -Stow

126-30-7

C5H12O2

104.148

2905399090

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Nature Description

White crystalline solid, odorless, hygroscopicity. Melting point 124-130 ℃, boiling point 210 ℃,206 ℃(99.6kPa),125-130 ℃(2.0kPa), relative density 1.066(25/4 ℃), flash point 129 ℃, autoignition point 399 ℃, sublimation temperature 210℃. Soluble in water, lower alcohol, lower ketone, ether and aromatic compounds, etc.

1.06

208oC

122-128oC

107oC

830G/L(20oC)

Product Applications

It is mainly used for making resin, plasticizer and surfactant; Neopentyl glycol is widely used as plasticizer for producing Unsaturated Polyester Resin, oil-free alkyd resin, polyurethane foam and elastomer, additives of advanced lubricating oil and other fine chemicals. Neopentyl glycol is excellent..

Production method

1. Sodium Formate isobutyraldehyde is condensed with formaldehyde at 30-35 ℃, pH 9-11, and alkali catalyst to form hydroxytert-butyraldehyde, which is reduced to neopentyl glycol with excess formaldehyde under strong alkali conditions, and formaldehyde is oxidized, and react with alkali to generate sodium formate. The reaction solution is neutralized with formic acid, distilled and dehydrated under reduced pressure, and concentrated solution is extracted by layers. After sodium formate is removed, the product is cooled, crystallized and separated. 2. The hydrofination process is made up of isobutyraldehyde and formaldehyde through condensation to obtain hydroxynevaleraldehyde, and then through hydroreduction.

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Safety instructions： S26: in case of contact with eyes, rinse with plenty of water immediately and send it to the doctor for diagnosis and treatment. S39: wear eye/face protection device.