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1327-16-8

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1327-16-8 Usage

Preparation

4-(Naphthaleti-2-ylamino)phenol and a small amount of 4-Nitrophenol and 4-Methylbenzene-1,3-diamine with Sodium polysulfide tert – Butanol solution at 110 ~ 112 ℃ reflux heating 30 hours, and finally as C.I. Sulphur Black 11 (C.I. 53290) – sample, with Sodium nitrite oxidation (BIOS 983130-138). The dye than most sulfur dye has good resistance to chlorine bleaching fastness.

Properties and Applications

blue black. Black powder. Soluble in water. In the Sodium sulfide solution for olive; In the basic insurance powder solution for the grass green. Mainly used for cotton, hemp, viscose fabric and vinylon/cotton blended fabric dyeing and printing. Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping Moderate Severe ISO 4-5 4-5 6-7 4-5 5

Standard

Acid Resistance

Moderate

Severe

ISO

4-5

Check Digit Verification of cas no

The CAS Registry Mumber 1327-16-8 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, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1327-16:
(6*1)+(5*3)+(4*2)+(3*7)+(2*1)+(1*6)=58
58 % 10 = 8
So 1327-16-8 is a valid CAS Registry Number.

1327-16-8Upstream product

1327-16-8Downstream Products

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