PRODUCTS

Hydroquinone type

Appearance and Characteristics

Appearance : Pale yellow
Melting point : 169 – 174℃
Ignition residue : 0.05% max.
Content : 99.0% min.

Performance/Purpose

HYDROQUINONE is a polymerization inhibitor that is effective in preventing polymerization in monomers such as acrylic acid and its esters, methacrylic acid and its esters, and styrene.

Packing : 20kg paper bag
CAS RN : 123-31-9

Appearance and Characteristics

Appearance : White crystals
Freezing point : 54.5℃ min.
Ash : 0.05% max.
Hydroquinone content : 0.01% max.

Performance/Purpose

METHOQUINONE is a polymerization inhibitor that is effective in preventing polymerization in monomers such as acrylic acid, its esters, methacrylic acid, and its esters.

Packing : 10kg paper bag
CAS RN : 150-76-5

Appearance and Characteristics

Appearance : White flakes
Freezing point : 54.5℃ min.
Ash : 0.05% max.
Hydroquinone content : 0.01% max.

Performance/Purpose

METHOQUINONE is a product obtained by converting crystalline methoquinone into flakes or tablet (granular) form. Its performance is similar to the original crystalline product.

Packing : 20kg paper bag
CAS RN :150-76-5

Appearance and Characteristics

Appearance : Grayish white powder
Melting point : 208℃ min.
Ash : 0.3% max.
Heating loss : 0.3% max.

Performance/Purpose

Antioxidant
Polymerization inhibitor

Packing : 10kg paper bag
CAS RN : 88-58-4

Appearance and Characteristics

Appearance : White to tan crystals
Melting point : 124℃ min.
Ignition residue : 0.1% max.

Performance/Purpose

Polymerization inhibitor
Liquid crystal polyester raw material

Packing : 20kg paper bag
CAS RN : 95-71-6

Appearance and Characteristics

Appearance : White to light tan crystals
Melting point : 123℃ min.
Ash : 0.1% max.
Heating loss : 0.3% max.

Performance/Purpose

Polymerization inhibitor

Packing : 10kg paper bag
CAS RN : 1948-33-0

Appearance and Characteristics

Appearance : Greenish to brownish yellow crystals
Purity : 98.0% min.
Ash : 0.05% max.

Performance/Purpose

PBQ is a polymerization inhibitor. It is effective as a stabilizer and polymerization inhibitor for unsaturated polyesters and vinyl acetate. Additionally, PBQ is used as a dye intermediate in the manufacturing of dyes.

Packing : 20kg fiber drum / 50kg fiber drum
CAS RN : 106-51-4

Appearance and Characteristics

Appearance : Yellow to yellow brown powder
Purity : 95.0% min.
Ash : 0.3% max.
Melting point : 60℃ min.

Performance/Purpose

Polymerization inhibitor

Packing : 5kg can
CAS RN : 553-97-9

Appearance and Characteristics

Appearance : Yellow to yellow brown powder
Purity : 85% min.
Ash : 0.3% max.

Performance/Purpose

Polymerization inhibitor

Packing : 5kg can
CAS RN : 3602-55-9

Appearance and Characteristics

Appearance : Yellow green to brown powder
Melting point : 204℃ min.
Ash : 0.3% max.

Performance/Purpose

Polymerization inhibitor

Packing : 5kg can
CAS RN : 844-51-9
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