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High quality 99% Fluorescent Brightener 184 CAS No 7128-64-5 CAS NO.7128-64-5
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,Other
- Product Details
Keywords
- Fluorescent brightener OB
- Optical Brightener OB
- Optical Brightener agent OB
Quick Details
- ProName: High quality 99% Fluorescent Brightene...
- CasNo: 7128-64-5
- Molecular Formula: C26H26N2O2S
- Appearance: light yellow powder
- Application: Dyestuff Intermediates
- DeliveryTime: as customers request
- PackAge: 1-5KG/Tin or Bag,25KG/Drum, 200KG/Drum
- Port: any port in China
- ProductionCapacity: 1000 Metric Ton/Year
- Purity: >99%
- Storage: Cool Dry Place
- Transportation: by sea or by air
- LimitNum: 1 Kilogram
Superiority
| 1)Quick Response Within 12 hours; |
| 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France etc. |
| 3) OEM/ODM Available; |
| 4) Reasonable & Competitive Price; |
| 5) Fast Delivery: Samples from stock; bulk products within 7 days; |
| 6) Professional Documents for Your Clearance; |
| 7) Economic Freight Save Your Cost; |
| 8) All your money be refund immediately if quality issue happens. |
Details
Optical brighetener OB
Optical brightener OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.05%.
Key Attributes
- Colors appear more brilliant
- Environmentally friendly
- Excellent brightening ability
- Produce a bluish tinge, masking yellowness
- Whiter-than-white appearance
Specification
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Optical Brightener OB |
|
|
Appearance |
light yellow powder |
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Main ingredient |
Benzoxazole type |
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CAS No. |
7128-64-5 |
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Formula |
C26H26N2O2S |
|
EINECS |
230-426-4 |
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Melting Point |
198-203 ºC |
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Purity |
≥99% |
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Fineness |
over 100 meshes |
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Features: |
Light yellow powder. Tasteless. Soluble in alkanes, fats, mineral oils, paraffin and most organic solvents. Has a spectral maximum absorption of 375nm (in ethanol) and a maximum emission wavelength of 435nm (in ethanol). |
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Application: |
Good whitening agent for PVC,PS,PE,PP,ABS, PMMA, POM, Thermoplastic, thermoset plastic, Acetate fiber, paint, coating and printing ink, etc. |
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Using method |
Polyvinyl chloride whitening: 0.01 ~ 0.05% improved brightness: 0.0001 ~ 0.001% polystyrene 0.0001 ~ 0.05% ABS 0.01 ~ 0.05% polyene hydrocarbon colorless matrix: 0.0005 ~ 0.001% white matrix: 0.005 ~ 0.05% |
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Shelf life |
2 years. |
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Packing & Storage: |
25KG fiber drums with PE liner or carton box. Keep in dry place away from light. |
Dosage:
It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin; and paint, ink and oil soluble coatings.
Percentage of weight with plastic raw material:
PVC whitening: 0.01~0.05%; to improve the light intensity: 0.0001~0.001%
Polystyrene :0001~0.001%; ABS:0.01~0.05%;
Polyolefin matrix: 0.0005~0.001% White matrix: 0.005~0.05%