Απευθείας μπλε 2Β

Απευθείας μπλε 2Β

Απευθείας μπλε 2Β is a blue powder, a direct dye soluble in water. Απευθείας μπλε 2Β is reddish green when exposed to concentrated sulfuric acid. After dilution, it becomes greenish blue with green precipitation. It dyes cellulose fiber fabrics, has poor dye exhaustion and is slightly sensitive to hard water. Milestone Industrial Co. Ltd. is a manufacturer specializing in the production of dyes. The normal Απευθείας μπλε 2Β has stable performance and excellent dyeing effect, which is well received by users.

Απευθείας μπλε 2Β

Γ.Ι .:Άμεση B-6

Αριθμός CAS:2602-46-2

Μοριακός τύπος:C32H20N6Na4O14S4

Μοριακό βάρος:932.77

Αριθμός EINECS:220-012-1

Εμφάνιση:Μπλε σκόνη

Δύναμη:100%

Purpose of Απευθείας μπλε 2Β:

1) Απευθείας μπλε 2Β can be used for dyeing cotton, viscose and silk fabrics;

2) Απευθείας μπλε 2Β is used for the dyeing and printing of viscose silk fabrics. It is also used for the dyeing of viscose fabrics, cotton knitted fabrics and twisted silk. It must not be dyed in dark colors and must be treated with a fixing agent after dyeing.

3) Απευθείας μπλε 2Β can also be used for dyeing silk fabrics, and can be combined with direct light fast yellow to form light fast green;

4) Απευθείας μπλε 2Β can also be used for the dyeing of leather and paper and the dyeing of soap and detergent.

Μέθοδος σύνθεσης του DirectBlue 2B:

Απευθείας μπλε 2Β is obtained by sulfonating copper phthalocyanine blue with fuming sulfuric acid, diluting, filtering, ammonolysis, and finally salting out and filtering.

Storage method of Απευθείας μπλε 2Β:

 Απευθείας μπλε 2Β should be stored in a sealed container, stored in a cool, dry place, and ensure that the workplace has good ventilation or exhaust.