CAS:135-63-7

CAS:135-63-7

NAPHTHOL AS-KB (CAS: 135-63-7) Items: Naphthol AS-KB C.I. 37526 CAS: 135-63-7 Chemical Formula : C 18 H 14 ClNO 2 Appearance: Light beige powder Color shade(with standard): similar Strength: 100±3% Purity: ≥98% Melting point: ≥240℃ Insoluble in Alkali: ≤0.5% BON acid content: ≤0.2% Reidue on 60...

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NAPHTHOL AS-KB (CAS: 135-63-7)

Items: Naphthol AS-KB

C.I. 37526

CAS: 135-63-7

Chemical FormulaC18H14ClNO2

Appearance: Light  beige  powder

Color shade(with standard):similar

Strength:100±3%

Purity:≥98%

Melting point:≥240℃

Insoluble in Alkali:≤0.5%

BON acid content:≤0.2%

Reidue on 60 Msieve(or 80 Masrequest):≤5%

Use: This product is mainly used as organic pigment intermediate.It can produce organic red 11, 147, 162. This product can also be used for the dyeing of cotton, viscose and silk, is generally not used for printing. This product has low affinity to cotton, the best dyeing temperature is 30 DEG C, the infection temperature is 90 DEG C.

Our company has set up 3 factories in Shandong, Tai'an and Weifang to guarantee the supply of our products. The company has modern production equipment and production workshop. Qingdao Longyuntong Corporation has built up strong relationships with its customers from Europe, North America, South America, whole Asia, etc.

our company

Qingdao Longyuntong Corporation is a leading provider of pigment intermediates, pigments, dyestuffs, pharmaceutical and pesticide intermediates.. It contributes to value creation with innovative and sustainable colorant solutions for customers from various industries. It has set up 3 factories in Shandong, Tai'an and Weifang to guarantee the supply of our products.


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