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Optical Brightening Agent Optical Brightener Oba 4bk 12768-92-2 113

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Ld Chemical Co., Ltd.

Audited Supplier 3 years

Profile Certified by SGS/BV

Hunan, China
Tree (Mr.)

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Product Detail

Model NO.:

4BK

CAS No.:

16470-24-9

Formula:

C40h40n12o16s4na4

EINECS:

16470-24-9

Appearance:

Powder

Usage:

Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Leather Auxiliary Agents

Color:

Yellow

Product Catalogue:

Optical Brightener/Fluorescent Brightener

Product Name:

Optical Brightener4bk/Whitening Agent 4bk

Application:

Textile Printing Auxiliary, Dying Auxiliary

Purity:

99.50%

Trademark:

LD Chemical

Transport Package:

Bag, Drum

Specification:

1kg/bag; 25kg/drum

Origin:

Changsha, Hunan

HS Code:

32042000

Product Description

OPTICAL BRIGHTENER 4BK
Fluorescent whitening agent for cotton textile fibers. Particularly suitable for exhaust methods.

1.Name: Fluorescent Brightener 4BK

2.Key Words:

Optical Brightening agent 4BK, Optical Brightener 4BK,

Optical whitening agent 4BK, Brightener 4BK

3.Appearance:

Yellow or greyish white powder

4.Technical index

Item

Index

Appearance

Yellow or greyish white powder

Color tone

Blue-purple

Fluorescence intensity (Cent)

100 (Compared with standard product)

Moisture

≤10%

Fineness (residuum through screen with 100um aperture)

≤10%

5.Performance:
It's anion, mainly used in whitening of cotton and blending. It has good acid and alkali resistance, has high fluorescence tone.

6.Application process:
Whitening of bleaching cotton:

1)Exhaust dyeing:

4BK	0.05~0.6%(o.w.f)
Na2SO4	5~20g/L
Bath ratio	1/10-30
Dyeing temp	20°C-100°C
Duration time	20-30 min

2)Oxygen bleaching:

4BK	0.05~0.6%( o.w.f)
H2O	2-10g/L
NaOH	1g/L
NaSiO3	2.5g/L
Bath ratio	1/10-30
Dyeing temp	90°C-100°C

7.Package, storage, and transport
Carton pail, net weight: 25kg, or packaging according to clients' demand.
Keep from sunshine, dampness; two years valid period.

Fluorescent/Brightener/Whitener/Brightener Ob Fba184

Optical Brightener product range:

I.OPTICAL BRIGHTENER FOR PLASTICS/RUBBER/INK/COATING
Optical Brightener OB-1	C.I. 393	CAS NO.1533-45-5
Optical Brightener OB	C.I. 184	CAS NO.7128-64-5
Optical Brightener FP-127	C.I. 378	CAS NO.40470-68-6
Optical Brightener KCB	C.I. 367	CAS NO.5089-22-5
Optical Brightener KSN	C.I. 368	CAS NO.5242-49-9
Optical Brightener EBF	C.I. 185	CAS NO.12224-41-8
Optical Brightener ER-I	C.I. 199	CAS NO.13001-39-3
Optical Brightener ER-II	C.I. 199:1	CAS NO.13001-38-2
Optical Brightener ER-III	C.I. 199:2	CAS NO.13001-40-6
II.OPTICAL BRIGHTENER FOR DETERGENT
Optical Brightener CBS-X	C.I. 351	CAS NO.27344-41-8
Optical Brightener CXT	C.I. 71	CAS NO.16090-02-1
III.OPTICAL BRIGHTENER FOR TEXTILE
Optical Brightener ER-330	C.I. 199	CAS NO.13001-39-3
Optical Brightener BA	C.I. 113	CAS NO.12768-92-2
Optical Brightener BBU	C.I. 113	CAS NO.16470-24-9
Optical Brightener CXT	C.I. 71	CAS NO.16090-02-1
IV.OPTICAL BRIGHTENER FOR PAPER/PULP MAKING
Optical Brightener BA	C.I. 113	CAS NO.12768-92-2
Optical Brightener BBU	C.I. 220	CAS NO.16470-24-9
V.OPTICAL BRIGHTENER FOR WOOL/ACRYLIC
Optical Brightener SWN	C.I. 140	CAS NO.91-44-1
Optical Brightener BAC	C.I. 363	CAS NO.95078-19-6

Optical Brightener Certificates:SGS,REACH,ROHS,FDA

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