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5242-49-9

Basic Information
CAS No.: 5242-49-9
Name: Fluorescent Brightener KS-N
Molecular Structure:
Molecular Structure of 5242-49-9 (Fluorescent Brightener KS-N)
Formula: C29H20N2O2
Molecular Weight: 428.49
Synonyms: Benzoxazole,5-methyl-2,2'-(vinylenedi-p-phenylene)bis- (7CI,8CI);2-[4-[4-(2-Benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole;4-(2-Benzoxazolyl)-4'-(5-methyl-2-benzoxazolyl)stilbene;Hostalux KS;HostaluxKS-N;Hostalux KSN;
EINECS: 226-044-2
Density: 1.261 g/cm3
Melting Point: 269-271oC
Boiling Point: 578.9 °C at 760 mmHg
Flash Point: 290.9 °C
Appearance: Yellow powder
Hazard Symbols: Xi
PSA: 52.06000
LogP: 7.78180
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    Chemical Name Fluorescent Brightener KS-N CAS No. 5242-49-9 Molecular Formula C29H20N2O2 Molecular Weight 428.48100 PSA 52.06000

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    ■POLYMER ADDITIVES JADEWIN KSN OPTICAL BRIGHTENER CHEMICAL COMPONENT COMPONENT 4.4-bis(5-methyl-2-benzoxoazol)-ethylene CAS 5242-49-9 Molecular C30H22N2O2

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    Product name: Optical Brightener KSN (FBA 368) CAS No.:5242-49-9 Molecule Formula:C29H20N2O2 Molecule Weight:428.48 Purity: 99% Package: 25kg/drum Description:Yellowish green crystalline powder Manufacture Standards:Enterprise Standard ??????

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    Established in 2007, Win-Win chemical CO., Ltd is a privately held corporation headquartered in Wenzhou Longwan Industry Distric, dedicated to the global pharmaceutical companies a

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-577-64498589

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  • Fluorescent Brightener KSN

  • Casno:

    5242-49-9

    Fluorescent Brightener KSN

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    Tel:86-29-86107037-8015

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  • Fluorescent Brightener KS-N CAS NO.: 5242-49-9

  • Casno:

    5242-49-9

    Fluorescent Brightener KS-N CAS NO.: 5242-49-9

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    Business Type:Other

    Tel:18168326835

    Address:2202 Scientific Research Business Center, Lihu Road, Wuxi 214128 China

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  • 4-(2-Benzoxazolyl)-4'-(5-methyl-2-benzoxazolyl)stilbene

  • Casno:

    5242-49-9

    4-(2-Benzoxazolyl)-4'-(5-methyl-2-benzoxazolyl)stilbene

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    GIHI CHEMICALS CO.,LIMITED, its former company is a small manufacturer who is specialized in the production of ester products which are used in the daily chemicals ,cosmetic produc

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     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:571-86217390

    Address:Huacai International Building,Sandun,Westlake District,Hangzhou 310030,Zhejiang,China

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  • Fluorescent Brightener KSN

  • Casno:

    5242-49-9

    Fluorescent Brightener KSN

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    high purity, manufacturer Application:Intermediate

    Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own comp

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     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

    Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004

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  • Fluorescent Brightener KS-N

  • Casno:

    5242-49-9

    Fluorescent Brightener KS-N

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    Product: Fluorescent Brightener KSN CAS: 5242-49-9 Purity: 99% Appearance: yellowish green crystal powder Melting point: 335-345°C MW: 428.4813 MF: C…Appearance:yellowish green crystal powder Storage:Store in a cool, dry place. Keep container closed

    Founded in 2005, Wuhan Rison Trading Co. Ltd. is specializing in the development, production and marketing of speciality chemicals. We have our own chemical factory, which is mai

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     China (Mainland)  |  Contact Details

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    Address:No.498, Jianshe Ave, Wuhan, China

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Specification

The Benzoxazole,2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl- with the CAS number 5242-49-9 is also called 2-[4-[4-(2-Benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole. The systematic name is 2-(4-{(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl}phenyl)-5-methyl-1,3-benzoxazole. Its molecular formula is C29H20N2O2. The EINECS registry number is 226-044-2. The product category is Stilbenes.

The properties of the Benzoxazole,2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl- are: (1)ACD/LogP: 8.88; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 8.88; (4)ACD/LogD (pH 7.4): 8.88; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 1612490.38; (8)ACD/KOC (pH 7.4): 1612527.5; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 52.06Å2; (13)Index of Refraction: 1.719; (14)Molar Refractivity: 134.12 cm3; (15)Molar Volume: 339.7 cm3; (16)Polarizability: 53.17×10-24cm3; (17)Surface Tension: 56.1 dyne/cm; (18)Enthalpy of Vaporization: 83.42 kJ/mol; (19)Vapour Pressure: 8.56×10-13 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: n1c6cc(ccc6oc1c5ccc(\C=C\c4ccc(c2nc3ccccc3o2)cc4)cc5)C
(2)InChI: InChI=1/C29H20N2O2/c1-19-6-17-27-25(18-19)31-29(33-27)23-15-11-21(12-16-23)8-7-20-9-13-22(14-10-20)28-30-24-4-2-3-5-26(24)32-28/h2-18H,1H3/b8-7+
(3)InChIKey: SOTPOQQKAUOHRO-BQYQJAHWBZ