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1327-67-9

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1327-67-9 Usage

Preparation

4-(4-Aminonaphthalen-1-ylamino)phenol Copper sulfate monohydrate in the presence of Sodium polysulfide solution with heating, in 120 ℃ under reflux 30 hours, then in 60 ℃ blowing air, settling the dye. This is determined by indophenol Naphthalen-1-amine, and 4-Aminophenol was oxidized with sodium hypochlorite, and sodium hydride reduction with sulfur derived?(BIOS 983, 91 -92).

Properties and Applications

dark blue light green. Variegated dark green powder. Used for cotton, hemp, viscose fabric dyeing, also used in leather dyeing. Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping Moderate Severe ISO 3 4 4-5 5 3-4 2-3

Standard

Acid Resistance

Moderate

Severe

ISO

3

Check Digit Verification of cas no

The CAS Registry Mumber 1327-67-9 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 1327-67:
(6*1)+(5*3)+(4*2)+(3*7)+(2*6)+(1*7)=69
69 % 10 = 9
So 1327-67-9 is a valid CAS Registry Number.

1327-67-9Upstream product

1327-67-9Downstream Products

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