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direct dyes

Some of China origin dyestuff we export are as following :
basic red 1
direct yellow 4
direct yellow 6
direct yellow 11
direct yellow 12
...
APPLICATION: Direct dyes are widely used to dye and print cotton, hemp and viscose, and to dye silk, lanital, etc. They are also blended with disperse dyes to dye blend fiber in one bath. They are important colorants for paper and leather industry. T
Cyanuric Chloride

Name : Cyanuric Chloride
Chemical Name : 2.4.6-Trichloro-1.3.5-Triazine
CAS - No : 108-77-0
Formula : C3N3CL3
Molecular Weight : 184.4 g/mol.
Appearance : White even powder.

Specification :
Quality standard: ZBG56007-90
Main Content(Cyanuric chloride) : Min 99.2%.
Initial melting point : Min. 145 C.
Fineness : Max. 10.0%
(remains content after 125 um sieve)
Ins
Sodium Sulphide (red and yellow flakes)

H.S.CODE: 28301010
CAS NO.: 1313-82-2
MOLECULAR FORMULAR: Na2S.XH2O
SPECIFICATION:
NA2S: 60%MIN
Fe: 1500ppm,300ppm,150ppm,80ppm,30ppm
PACKING: 25kg net each in ply-Kraft paper bag with plastic woven bag coated outside and lined with P.E bag and another P.P woven bag inside;
PROPERTY: Yellow flakes, easily being oxidized and deliquescent in air; dissolving in water showing strong
sodium sulphide

Sodium Sulphide(Low Iron Content)
H.S.CODE: 28301010
CAS NO.: 1313-82-2
MOLECULAR FORMULAR: Na2S.XH2O
SPECIFICATION:
NA2S: 60%MIN
Fe: 1500ppm,300ppm,150ppm,80ppm,30ppm
PACKING: 25kg net each in ply-Kraft paper bag with plastic woven bag coated outside and lined with P.E bag and another P.P woven bag inside;
PROPERTY: Yellow flakes, easily being oxidized and deliquescent in ai
Sodium sulphate anhydrous

Description:
Name: Sodium sulfate
Molecular formula: Na2SO4
CAS NO: 7757-82-6
Molecular weight : 142.04
Properties :
White powder or crystal , melting point is 884 Centigrade , soluble in water ,
Specification:
Na2SO4: 99% min.
Ca and Mg (Mg): 0.15% max.
Fe: 0.002% max.
Moisture: 0.2% max.
Water insoluble: 0.05% max.
White degree: 80 min.
Application:
Used in dyestu
Sodium thiocyanate

Description:
Name: Sodium Thiocyanate
Synonyms: Sodium Rhodanide, Sodium Sulfocyanate, Sodium Rhodanate, Sodium Isocyanate, Thiocyanic Acid, Sodium Salt
Molecular formula:NaSCN
Molecular weight: 81.07
CAS NO: 540-72-7
HS Code: 28380000
Properties :
White crystals or powder , melting point is 287 Centigrade ,easily soluble in water, ethanol and acetone,
water solution is neutral, i
2-Naphthol

Name : Beta Naphthol (Beta - Naphthol)
Chemical Name : 2-Naphthol

CAS - No : 135-19-3

Formula : C10H8O
Molecular Weight : 144.17 g/mol.

Appearance : Gray white to Pinkish flakes or powder.

Specification : Purity : 99.1% Min.
Freezing Point : 120 C.
Moisture : 0.2% Max.
Alpha Naphthol : 0.2 % Max.

Synonyms : 2-Hydroxynaphthalene

Appl
Sodium Hydrosulfide

Description
Name : Sodium hydrosulfide
Synonyms: sodium hydrogen sulphide, sodium hydrogen sulfide, sodium sulfhydrate, sodium bisulphide
Molecular formula: NaHS
Molecular weight: 56.06
CAS NO: 16721-80-5
Hs no.:28301090
Properties:
Light yellow or orange if it is flaky . Sodium hydrosulphite for industrial use is generally liquor in orange or yellow solid . Soluble in water and al

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