Low Volatility Optical Brightener OB-1 Fluorescing Agents Good Light Fastness

Minimum Order Quantity:	1 ton	Price:	Negotiable
Packaging Details:	25kg/bag	Payment Terms:	L/C, T/T, Western Union,
Supply Ability:	1000 tons/month	Place of Origin:	China
Brand Name:	RUNYE	Model Number:	OB-1

Detail Information
Model:	OB-1	CAS No:	1533-45-5
MF:	C26H26SO2N2	EINECS No:	224-073-5
Fineness:	≥ 100 Meshes	Purity:	98%
Appearance:	Slight Yellow Uniform Powder	Volatile:	≤0.5%
M.P:	200-202
Highlight:	optical brightening agent , optical whitening agent

Product Description

Optical Brightener OB-1 Whitening Agent For Pvc Profiles With Good Light Fastness And Low Volatility

Product: Optical Brightener OB-1
Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene

Description:
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%.

Specification:

Molecular Formula
Assay a
Molecular Weight
Appearance
Melting Point
Volatiles
Partical Size
TGA b @ 335.9°C
( LC )
(Air @ 20°C/min. rate)

C26H26SO2N2
98% min.
430g/mole
Slight Yellowish powder
200-202°C
<0.15%
<50 (mean micron)
90% Retention

Advantages:

More easily dispersed than other optical brighteners

More efficient than other optical brightener

Brilliant, bluish white effects that compensates for yellowing

Good light fastness and low volatility

Exceptional whitening properties

Highly compatible with a wide range of organic substrates and solvents

Excellent resistance to heat

Useful as a tracer in clear coatings

In combination with dyes, produces particularly bright shades

Application/Uses:
• Coatings
• Flexible PVC
• Man-made fibers
• Plastics
• Polyethylene
• Printing Inks

Packing : 25kgs fibre drum
Quantity: Around 5.25mts/20'fcl without pallet.
Storage: Keep in cool and dry place