High Quality Optical Brightener Ob-1 Bisbenzoxazole Ob-1 Casno. 1533-45-5

• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Type: Optical Brightener
• Appearance: Powder
• Quality: Industrial
• Model NO.: bisbenzoxazol
• Colour: Yellow
• Sample: Available
• Density: 1.2151
• Storage: Sealed in Dry, Room Temperature
• Property: Solid
• Color: Yellow
• Leading Time: 1 Week
• Transport Package: 25kg Drum
• Specification: 25kg/Drum
• Trademark: SINOBIO
• Origin: China
• HS Code: 29349990
• Production Capacity: 50000kg/Mouth

Product Description

Product Description

bisbenzoxazole Basic information

Product Name:
Synonyms:	4,4'-BIS(2-BENZOXAZOLYL)STILBENE;2,2'BISBENZOXAZOLE;2,2'-(vinylenedi-p-phenylene)bisbenzoxazole;2,2'-bis-benzoxazol;OB-C;Fluorescent Brightener OB-1 C.I. 393;1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl);ptical Brightening Agent OB-1
CAS:	1533-45-5
MF:	C28H18N2O2
MW:	414.45
EINECS:	216-245-3
Product Categories:	Industrial/Fine Chemicals;Building Blocks;Stilbenes;Heterocyclic Building Blocks;Oxazoles;brightener
Mol File:	1533-45-5.mol

bisbenzoxazole Chemical Properties

Melting point	>300 °C(lit.)
Boiling point	533.34°C (rough estimate)
density	1.2151 (rough estimate)
refractive index	1.5800 (estimate)
storage temp.	Sealed in dry,Room Temperature
pka	1.45±0.10(Predicted)
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	ORACIQIJMCYPHQ-KTKRTIGZSA-N
CAS DataBase Reference	1533-45-5(CAS DataBase Reference)
EPA Substance Registry System	Benzoxazole, 2,2'-bis- (1533-45-5)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-37/39-24/25
WGK Germany	1
HS Code	29349990

2,2'-bisbenzoxazole Usage And Synthesis

Chemical Properties

solid

Properties and Applications

TEST ITEMS	SPECIFICATION
APPEARANCE	BRIGHT YELLOW CRYSTALS POWDER
SHADE	GREENISH
METLING POINT	355-360 ° C
PURITY	98.5% min
FINENESS	300 mesh min

2,2'-bisbenzoxazole Preparation Products And Raw materials

Raw materials

Diethyl phosphite

 

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Packaging & Shipping

Outstanding packaging

Use the most popular packaging method in the industry to ensure the safety of your goods from the most basic things.
Protect the greatest value in the simplest and most environmentally friendly way.

 

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You can choose your preferred express method.
By sea or By air 
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Payment

T/T?
Why not !
western union?
  Sure !
moneygram?

As your wish!

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Company Profile

Most trusted company

Dalian Sinobio Chemistry Co.,Ltd_ was established in 2011 and located in beautiful costal city Dailan Liaoning Province. we can enjoy convenient transportation by all logistic ways. Sinobio cooperated with Dalian university of technology , who has 2 production sites : one located in Lanzhou city , Gan Su province who mainly produce biocides and pharmaceutical related. Another located in Fuzhou city,Jiangxi province .It was founded in 2013 with abundant financial resources.

As a professional agrochemical and it's intermediates products' supplier ,  they have excellent teams who focus on product development & design, quality control & inspection and company running.In order to supply the qualified products and services,we have built a modern quality management system which is in strict accordance with international standards. Our factory has got ISO9001&ISO14001 certificates. 

Adhering to the business principle of mutual benefits, we have had a good reputation among our customers because of our perfect services , quality products and competitive prices. We warmly welcome customers from at home and abroad to cooperate with us for common success.

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FAQ

 

Q1: Can I get some samples?
    A:   Yes, we can supply the free sample, you need bear the freight charge only.

 

 • Q2:  How to pay?
     A :  PI will be sent first after confirmation of order,enclosed our bank information.Payment  by  Paypal , T/T, Western Union LC,Alibaba trade assurance

 

 • Q3: What's your MOQ?
     A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

 • Q4: How about delivery leadtime?
    A :  Delivery lead time: About 5 days after payment confirmed.

 

 • Q5: Is there a discount?
     A :  Discount according to the quantity and product!

 

 • Q6: How to confirm the Product Quality before placing orders?
     A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.