Indigo Blue Vat Blue

1.Name: indigo blue,vat blue 1,

2.Structure formula：

3.Molecule formula: C16H10N2O2

4.. CAS No.: 482-89-3

5.Molecule weight: 262.62

6.HS code: 3204151000

7.Major usage and instruction: Be mainly used to dye cotton fabrics.

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Quality Standard

Maonekedwe	Buluu wakuda ngakhale njere
Chiyero	≥94%
Zomwe zili m'madzi	≤1%
Zomwe zili ndi ayoni	≤200ppm

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Khalidwe:

Indigo dye is a dark blue crystalline powder that sublimes at 390–392 °C (734–738 °F). It is insoluble in water, alcohol, or ether, but soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid. The chemical formula of indigo is C16H10N2O2.

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Kagwiritsidwe:

Kugwiritsa ntchito koyamba kwa indigo ndi utoto wa thonje wa thonje, womwe umagwiritsidwa ntchito makamaka popanga nsalu za denim zoyenera ma jeans a buluu; pa avareji, jinzi yabuluu imafuna magalamu atatu okha (0.11 oz) mpaka 12 magalamu (0.42 oz) a utoto.

Smaller quantities are used in the dyeing of wool and silk. It is most commonly associated with the production of denim nsalu ndi jeans ya buluu, kumene katundu wake amalola zotsatira monga kutsuka miyala ndi kutsuka kwa asidi kuti igwiritsidwe ntchito mwachangu.

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Phukusi:

20kg cartons (or by customer`s requirement): 9mt (no pallet) in 20’GP container; 18tons (with pallet) in 40’HQ container

25kgs bag (or by customer`s requirement): 12mt in 20’GP container; 25mt in 40’HQ container

500-550kgs bag (or by customer`s requirement): 20-22mt in 40’HQ container

the indigo blue

Mayendedwe:

Ndizoletsedwa kusakaniza ndi kunyamula ndi ma oxidants, mankhwala odible, etc.

Panthawi yoyendetsa, iyenera kutetezedwa ku dzuwa, mvula ndi kutentha kwakukulu.

Mukayima, khalani kutali ndi moto, magwero a kutentha, ndi malo otentha kwambiri.

Posungira:

Ayenera kusungidwa m'nyumba yozizira, mpweya wokwanira komanso wowuma. Khalani osindikizidwa nthawi yamvula. Kutentha kumayendetsedwa pansi pa 25 digiri Celsius, ndipo chinyezi chapafupi chimayendetsedwa pansi pa 75%.
Zoyikapo ziyenera kusindikizidwa kwathunthu kuti zisawonongeke chifukwa cha chinyezi. Indigo sayenera kuwonetsedwa ndi kuwala kwa dzuwa kapena mpweya kwa nthawi yayitali, kapena imakhala ndi okosijeni ndikuwonongeka.
Iyenera kusungidwa payokha kuchokera ku zidulo, alkali, zowonjezera zowonjezera (monga potaziyamu nitrate, ammonium nitrate, etc.), zochepetsera ndi zina kuti zisawonongeke kapena kuyaka.