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FLUORESCENT BRIGHTENER 393 OBA OB-1 FLUORESCENT BRIGHTENER OB-1
FLUORESCENT BRIGHTENER OB-1
C.I.No.: 393 Chemical name: 2.2’-(4.4’-diphenol vinyl) dibenzoxazol CAS NO: 1533-45-5 Formula: C28H18N2O2 Melting Point: 357~359°C App…
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FLUORESCENT BRIGHTENER OB-1
C.I.No.: 393 Chemical name: 2.2’-(4.4’-diphenol vinyl) dibenzoxazol
CAS NO: 1533-45-5
Formula: C28H18N2O2
Melting Point: 357~359°C
Application: mainly be used in whitening of polyester and plastic, as well in whitening of PET, Nylon during polymerization.
Company Introduction
1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division.
a. "Top 100 innovation-oriented export enterprises Of Hangzhou" honored by Hangzhou government
b. Specialized in the fine chemicals and pharmaceuticals
c. A leading manufacturer and trader of APIs in China
2. Main product:
3. Company Picture
Product Description
Name:
Benzoxazole,2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-
EINECS:
216-245-3
Molecular Formula:
C28H18N2O2
CAS Registry Number:
1533-45-5
Synonyms:
Benzoxazole,2,2'-(vinylenedi-p-phenylene)bis- (7CI,8CI); 2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole; 4,4'-Di(benzoxazol-2-yl)stilbene; C.I. 40674; Eastobrite OB 1; Fluorescent Brightener 393; OpticalBrightener 1; Uvitex OB-ONE;
InChI:
InChI=1/C28H18N2O2/c1-3-7-25-23(5-1)29-27(31-25)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-30-24-6-2-4-8-26(24)32-28/h1-18H/b10-9+
Molecular Structure:
Appearance:
solid
Molecular Weight:
414.46
Density:
1.39 g/cm3 (25 C)
Boiling Point:
566.8 °C at 760 mmHg
Melting Point:
357-359℃
Flash Point:
285.1 °C
Storage Temperature:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Refractive index:
1.731
Solubility:
Insoluble
Stability:
Stable. Incompatible with strong oxidizing agents.
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