Hot Selling Ob-1 (CI 393) CAS 1533-45-5 Optical Brightener for Plastic

• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Appearance: Powder
• Usage: Water Treatment Chemicals, Coating Auxiliary Agents, Surfactants, Leather Auxiliary Agents
• Color: Green
• Model NO.: 99%
• Product Name: Optical Brightener Ob-1 (Ci 393)
• CAS: 1533-45-5
• Transport Package: 25kg/Fiber Drum with PE Liner
• Specification: 99% min
• Trademark: sunwisechem
• Origin: China

Product Description

Product Description

Product Name: Optical Brightener OB-1 (CI 393)
Identification
Synonyms 2,2-(1,2-Ethenediyldi-4,1-phenylene) bisbenzoxazole
Molecular Formula C28H18N2O2
Molecular Weight 414.45
CAS Number 1533-45-5
EINECS/ELINCS 216-245-3

Properties
Appearance Yellowish or yellowish green crystal power
Melting Point 353-359ºC

Specification

Item	Specification
Apperance:	Yellowish or yellowish green crystal power
Melting point:	353-359ºC
Assay:	98%min
Ash:	0.5%max.
Volatile Content:	0.5%max.
Particle Size::	200Mesh

Application
Optical brightener Odyssey OB-1 can be used in polymer fiber, and it also widely used in
plastics, such as PP,ABS,PS,HIPS,PA,PC,EVA,Rigid PVC,etc.
Optical brightener Odyssey OB-1 produces very brilliant white effect with neutral to blue-violet
shade. Because of its exceptional whitening properties, excellent resistance to heat and low
volatility, it is now widely used in the engineering plastic market.

Dosage for reference(in each 100 kg polymers):
Transparent: 0.0025-0.005% (2.5g-5g)
Commonly use: 0.01-0.05% (10g-50g)

When UV absorber is used ,the level of Odyssey OB-1 is likely to be changed.
Attention: Please mix thoroughly to obtain best effect. OB-1 concentrated master batch can be even better mixed.

Packing and Storage
Packing 25kg/fiber drum with PE liner
Storage Keeping in stock as ordinary chemicals. Wear protective goggles and gloves while applying. Avoid direct contact with skin and eyes. Soap clean if skin contaminated.

Safety Information
Non-hazardous for air, sea and road freight.
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.

FAQ

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)
or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on
where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.