 Home > Catalyst and Auxiliary > Fluorescent Brightener > 2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene for Sale > optical brightener OB

optical brightener OB

Name: optical brightener OB
Brand: Oribrite
SKU: pr2209283113
Price: 28 USD
Availability: InStock

32 Inquiries

Unit Price: Get Latest Price 

CAS No.:

7128-64-5

Content:

99.2%

Port:

Qingdao/Shanghai

Brand:

Oribrite

Packaging:

25kg/fiber drum

Price valid (until):

2023-03-31

Contact Supplier

 Chat Now

Oriental Optical brightener

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

optical brightening agents,fluorescent brightener,Optical brighteners

 Visit Store

Product Description
Seller Information
Inquiry History

Description

Product Detail

Formula	C₂₆H₂₆N₂O₂S
C.I.	184
CAS No.	7128-64-5
Chemical Name	2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
Appearance	Light yellow or milk white powder
Melting Point	199～203℃
Content	≥99%
Volatile Content	0.3% MAX
Molecular Weight	430.2
Max UV Absorption Wavelength	375 nm(ethanol)
Max Optical Emitting Wavelength	435 nm

PROPERTY Optical Brightener OB is a kind of benzoxazole compound. It is odorless, hard to dissolve in water, soluble in paraffin, fat,mineral oil, wax and common organic solvents. It can be used for whitening thermoplastic plastics,PVC,PS,PE,PP,ABS,Acetate fiber, paint, coating, printing ink,etc. It can be added at any stage in the process of whitening the polymers and make the finished products emit a bright bluish white glaze. It can also be used as special marks in identify anti-fake material if used in printing ink.

Basic Info

Product Name:

2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene

Other Name:

Benzoxazole,2,2′-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-;Benzoxazole,2,2′-(2,5-thiophenediyl)bis[5-tert-butyl-;2,2′-(2,5-Thiophenediyl)bis[5-(1,1-dimethylethyl)benzoxazole];2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene;2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene;2,2′-(2,5-Thiophenediyl)bis[5-tert-butylbenzoxazole];BBOT;2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene;Uvitex OB;BBOT 150;Uvitex 3BSA;C.I. Fluorescent Brightening Agent 184;C.I. Fluorescent Brightener 184;C.I. 515245;Fluorescent Brightener 184;Keyfluor White PL;O-B TECH;Uvitex OB 55;NSC 158163;C.I. FBA 184;OB;TBO;2,5-Bis(5-tert-butylbenzooxazol-2-yl)thiophene;Tinopal OB;B 0047;OB-FBA 184;Hitex OB;Brightener OB;MPI Bright 100;Benetex OB;Helios SC;SpeedBright OB 184;OB 184;Fluorescent brightener OB;2,2′-(2,5-Thiophenediyl)bis(5-tert-butylbenzoxazole);S-FN;Telalux OB;Tinopal OB-CO;Mayzo OB Plus;Benetex OB+;Benetex OB Plus;12224-40-7;59249-63-7;61229-63-8;144470-46-2;864446-12-8;1197996-34-1;1430334-83-0;2369674-07-5

CAS No.:

7128-64-5

Molecular Formula:

C26H26N2O2S

InChIKeys:

InChIKey=AIXZBGVLNVRQSS-UHFFFAOYSA-N

Molecular Weight:

430.56

Exact Mass:

430.56

BRN:

631803

EC Number:

230-426-4

UNII:

W7UR9129GP

NSC Number:

158163

DSSTox ID:

DTXSID1048205

HScode:

2934999090

Categories:

Fluorescent Brightener

Characteristics

PSA:

80.3

XLogP3:

8.98

Appearance:

DryPowder; OtherSolid

Density:

1.2±0.1 g/cm3

Melting Point:

201-202 °C

Boiling Point:

531.2°C at 760 mmHg

Flash Point:

>350°C

Refractive Index:

1.617

Water Solubility:

soluble in acetone and toluene. Insoluble in water.toluene: soluble 50mg/mL

Storage Conditions:

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Toxicity:

Oral-rat LD50: >10000 mg/kg

Flammability characteristics:

Flammable; burning produces toxic nitrogen oxides and sulfur oxide fumes

See More 2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
optical brightening agents,fluorescent brightener,Optical brighteners

Location:
Room 1108, Building 2, Hisense Yunchuang Center, Tianqiao District, Jinan City, Shandong Province

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
5-10

Year of Establishment:
2021

Oriental Optical brightener is a leading Manufactory supplier of 2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene based in Jinan, Shandong, China. With a commitment to quality and customer satisfaction, Oriental Optical brightener has become a trusted name in the industry. Our product line includes a range of high-quality 2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene, which are available at competitive prices. Oriental Optical brightener has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

32 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	OPTICAL BRIGHTENER OB	1.00 MT	Jul 26, 2023
India	OPTICAL BRIGHTENER OB	500.00 KG	Jul 21, 2023
India	OPTICAL BRIGHTENER OB	1.00 MT	Jul 24, 2023
India	OPTICAL BRIGHTENER OB	1.00 MT	Nov 22, 2023
India	Fluorescent Brightener 184	25.00 KG	Jan 15, 2024
India	OPTICAL BRIGHTENER OB	1.00 MT	Oct 12, 2023
India	OPTICAL BRIGHTENER OB	400.00 KG	Aug 5, 2023
India	OPTICAL BRIGHTENER OB	1.00 MT	Jul 21, 2023
India	OPTICAL BRIGHTENER OB	1.00 MT	Aug 1, 2023
Poland	2,5-Bis(5′-tert-butyl-2-benzoxazolyl)thiophene	20 G	Dec 3, 2024
Poland	2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)	20 G	Dec 3, 2024
India	OPTICAL BRIGHTENER OB	1.00 MT	Aug 11, 2023
India	OPTICAL BRIGHTENER OB	1000.00 KG	Jul 22, 2023
India	OPTICAL BRIGHTENER OB	200.00 KG	Oct 16, 2023
India	OPTICAL BRIGHTENER OB	25.00 KG	Sep 5, 2023
India	OPTICAL BRIGHTENER OB	1.00 MT	Jul 24, 2023
India	OPTICAL BRIGHTENER OB	250.00 KG	Jul 23, 2023
India	Solvent Red 24	1.00 MT	Jul 24, 2023
India	OPTICAL BRIGHTENER FP127	1.00 MT	Nov 22, 2023
India	Fluorescein	10.00 KG	Nov 22, 2023

Go to Page

Post an enquiry for this product

More Choices Find All Products for Sale 

Product Name	Grade / Content	Supplier Name	Details
China Most Professional Factory Supply High Qulity FLUORESCENTBRIGHTENER OB CAS 7128-64-5	Pharmaceutical Grade/99	LEADER BIOCHEMICAL GROUP	Inquiry
Optical Brightener / Fluorescent Brightener Ob C. I. 184 CAS: 7128-64-5for Coatings,Oil Paink,PP PE PVC	/	Shandong zhishang chemical Co.,Ltd	Inquiry
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene ZS	/	SHANDONG LOOK CHEMICAL CO.,LTD	Inquiry
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene	/99.00	HANGZHOU LEAP CHEM CO., LTD.	Inquiry
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene 99% white powder kanbei	Industrial Grade/99	Henan Lihao Chem Plant Limited	Inquiry

Hot Related Products



Feedback & Suggestions

Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.

optical brightener OB

Product Description

Seller Information