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Optical brightener OB-1

Product Name
Optical brightener OB-1
CAS No.
1533-45-5
Chemical Name
Optical brightener OB-1
Synonyms
OB-1;Fluorescent Brightener OB-1;C.I.393;optical brightener OB-1;OB-C;OCAB;OBF1;OBF-1;B-OB-1 ;zhengbauji
CBNumber
CB2293303
Molecular Formula
C28H18N2O2
Formula Weight
414.45
MOL File
1533-45-5.mol
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Optical brightener OB-1 Property

Melting point:
>300 °C(lit.)
Boiling point:
533.34°C (rough estimate)
Density 
1.2151 (rough estimate)
vapor pressure 
0Pa at 25℃
refractive index 
1.5800 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
DMSO (Slightly, Heated)
pka
1.45±0.10(Predicted)
form 
Solid
color 
Yellow
Water Solubility 
10μg/L at 25℃
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
ORACIQIJMCYPHQ-KTKRTIGZSA-N
LogP
5.499 at 25℃
CAS DataBase Reference
1533-45-5(CAS DataBase Reference)
EPA Substance Registry System
Benzoxazole, 2,2'-(1,2-ethenediyldi-4,1-phenylene)bis- (1533-45-5)
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Safety

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

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
368598
Product name
4,4′-Bis(2-benzoxazolyl)stilbene
Purity
97%
Packaging
50g
Price
$90.7
Updated
2024/03/01
TCI Chemical
Product number
B2729
Product name
4,4'-Bis(2-benzoxazolyl)stilbene
Purity
>97.0%(HPLC)(N)
Packaging
25g
Price
$37
Updated
2024/03/01
Tocris
Product number
6545
Product name
OB-1
Purity
≥98%(HPLC)
Packaging
10
Price
$137
Updated
2021/12/16
TRC
Product number
B410525
Product name
1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene
Packaging
250mg
Price
$45
Updated
2021/12/16
SynQuest Laboratories
Product number
4H56-1-CX
Product name
4,4'-Bis(1,3-benzoxazol-2-yl)stilbene
Packaging
100g
Price
$64
Updated
2021/12/16
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Optical brightener OB-1 Chemical Properties,Usage,Production

Description

Optical brightener OB-1 also called fluorescent brightener OB-1, optical brightener agent OB-1, OB-1 has the highest melting point among the optical brighteners and is also the most widely applicable and the most sold brightener. Optical brighteners OB-1 have two appearance colors, yellow and green. Worldwide use it for all kinds of plastics, or make masterbatches, then the optical brightener masterbatches and compounds are used in the plastics industry.

Chemical Properties

solid

Uses

4,4′-Bis(2-benzoxazolyl)stilbene (BBS) is suitable for use in the preparation of poly(propylene) (PP) films containing different concentrations of BBS. BBS may be employed as a viscosity-sensitive fluorophore to investigate the curing parameters in fabrication of UV-cured automotive organic protective coatings. BBS may be used in the preparation of polymeric film sensors based on excimer luminescence and responsive to both mechanical and temperature stress, by its dispersion into a thermoplastic aliphatic biodegradable polyester [poly(1,4-butylene succinate).

General Description

4,4′-Bis(2-benzoxazolyl)stilbene (BBS) is reported to exhibit consistently high absolute fluorescence quantum yields and a monoexponential lifetime in solutions. The photophysics of BBS dispersed in poly(propylene) (PP) films has been investigated. BBS is reported as a food-grade dye. BBS is also reported as excimer-forming, photoluminescent chromophore.

Flammability and Explosibility

Not classified

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

Optical brightener OB-1 Preparation Products And Raw materials

Raw materials

Diethyl phosphite

Preparation Products

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Optical brightener OB-1 Suppliers

Americas 1 Belgium 1 China 339 Europe 2 Germany 1 India 14 Japan 5 New Zealand 1 South Korea 1 Switzerland 2 The Netherlands 2 Turkey 1 United Kingdom 4 United States 25 USA 1 Global 400
Vesta Intracon Bv
Tel
--
Fax
--
Email
sales@vestachem.com
Country
New Zealand
ProdList
75
Advantage
55
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View Lastest Price from Optical brightener OB-1 manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Optical brightener OB-1 1533-45-5
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-30
Hebei Weibang Biotechnology Co., Ltd
Product
Optical Brightener / Fluorescent Brightener OB 1 / OB / CBS X / FP-127 / KSN / PF/ KCB 1533-45-5
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10mt
Release date
2024-11-01
Hebei Mojin Biotechnology Co., Ltd
Product
Optical brightener OB-1 1533-45-5
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2024-10-22

1533-45-5, Optical brightener OB-1Related Search:

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