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1327-62-4

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  • benzenesulfonic acid, 4-[[4-[(4-hydroxyphenyl)amino]phenyl]amino]-, reaction products with sodium sulfide (Na2(Sx))

    Cas No: 1327-62-4

  • USD $ 3.0-3.0 / Kilogram

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  • Dayang Chem (Hangzhou) Co.,Ltd.
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1327-62-4 Usage

Description

Sulphur Blue 10 is a blue powder that is slightly soluble in hot water, soluble in sodium sulfide, and almost colorless. It is insoluble in other organic solvents. In concentrated sulfuric acid, it forms a cobalt blue color, which precipitates as blue when diluted.

Uses

Used in Textile Industry:
Sulphur Blue 10 is used as a dye for cotton, viscose, linen fabric, and vinylon/cotton blended fabric dyeing. It provides good colorfastness properties, making it suitable for various applications in the textile industry.
Used in Leather Industry:
Sulphur Blue 10 is used as a dye in the leather industry, offering good colorfastness and resistance to various conditions.
Used in Paper Industry:
Sulphur Blue 10 is also used in the paper industry for dyeing, providing good colorfastness and resistance to different conditions.
Standard:
Sulphur Blue 10 has the following colorfastness properties according to ISO and AATCC standards:
Acid Resistance: Moderate (ISO 4-5, AATCC 5)
Alkali Resistance: Severe (ISO 4-5, AATCC 4)
Light Fastness: 5-6 (ISO and AATCC)
Fulling: 2-3 (ISO)
Perspiration Fastness: 4 (ISO)
Soaping: 3-4 (ISO)
Overall, Sulphur Blue 10 is a versatile dye with good colorfastness properties, making it suitable for various applications in different industries.

Preparation

4-(4-Hydroxyanilino)diphenylamine-4,-sulfonic acid with Sodium polysulfide solution heating, in 105 ~ 106 ℃ under reflux 100 hours and then in the 70 ~ 80 ℃ blowing air, and add salt to make its precipitation. This indophenol?by 4-(Phenylamino)benzenesulfonic acid and 4-Nitrosophenol of condensation product reduction, can also be used by hydrochloric acid Manganese dioxide oxidation 4-(Phenylamino)benzenesulfonic acid?and where did 4-Aminophenol and the mixture.

Standard

Acid Resistance

Moderate

Severe

ISO

4-5

AATCC

5

Check Digit Verification of cas no

The CAS Registry Mumber 1327-62-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,2 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1327-62:
(6*1)+(5*3)+(4*2)+(3*7)+(2*6)+(1*2)=64
64 % 10 = 4
So 1327-62-4 is a valid CAS Registry Number.

1327-62-4Upstream product

1327-62-4Downstream Products

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