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Identify Suppliers 2025 Properties Safty

Optical brightener OB-1

BGC Id:	872298204170
CAS No:	1533-45-5
Synonyms:	b-ob-1 ; optical brightener ob-1 ; obf1 ; ocab ; obf-1 ; 44bis2benzoxazoylstilbene ; optical brightener 393 ; fluorescentbrightener393 ; optical brighter ob-1 ; ob-c
Molecular Formula:	C28H18N2O2
Molecular Weight:	414.45
EINECS:	216-245-3

Verified providers in 2025

The following 4 notable providers have been checked and can be recommended.

What other providers are available for CAS 1533-45-5?

The last intensive check and update was carried out on 2025/06/04.

Identify

Synonyms:

b-ob-1 ; optical brightener ob-1 ; obf1 ; ocab ; obf-1 ; 44bis2benzoxazoylstilbene ; optical brightener 393 ; fluorescentbrightener393 ; optical brighter ob-1 ; ob-c

CAS:

1533-45-5

EINECS:

216-245-3

Molecular Formula:

C28H18N2O2

MDL:

MFCD00022846

Properties

Molecular Weight:

414.45 g·mol−1

Melting point:

>300 °C(lit.)

Physical Description:

solid

Suppliers

Simagchem Corporation

Tipo de compañía: Bulk chemical producer

Your partner in China for chemicals business. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation. Somos surtidor de Cationic polymer in water MOME.

País: P.R.China Teléfono: +86 592 2680 277 Fax: +86 592 2680 237

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H&Z Industry Co.,Ltd

País: P.R.China
Teléfono: +86 13583185792
Fax: +86 531 88905468

H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. Somos surtidor de Diosmine. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners.

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Zehao Industry Co., Ltd.

The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Suministramos nuestros productos 2-Amino-4-(trifluoromethyl)benzonitrile química. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Our capabilities are comprised of our manufacturi ...

País: P.R.China
Teléfono: +86-531-88909322
Fax: +86-531-88909322

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BuGuCh & Partners

Tipo de compañía: Producer

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

País: Germany

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Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-37/39-24/25 (S)

WGK Germany:

Storage temperature:

-20 °C

What other providers are available for CAS 1533-45-5?

In addition to the providers presented here for Optical brightener OB-1 with the CAS number 1533-45-5, there are other 72 providers with slightly different product names available for this CAS number.

B-OB-1

Tianjin Zhongxin Chemtech Co., Ltd.

Lauryl glycerine stearate

+2 additional providers that we know from the past

Fluorescent brightener 393

+3 additional providers that we know from the past

Fluorescent brightener-OB-1

Beijing Century Richap Chemistry Co., Ltd. | Skyrun Industrial Co., Ltd. +4 additional providers that we know from the past

Fluorescent whitening agent OB-1

+3 additional providers that we know from the past

4,4'-bis-(2-Benzoxazolyl)stilbene

+8 additional providers that we know from the past

2,2'-(4,4'-diphenolvinyl) dibenzoxazol

+2 additional providers that we know from the past

Fluorescent Brightener OB-1 (C.I.FB393)

Dayang Chem (Hangzhou) Co.,Ltd. +7 additional providers that we know from the past

1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene

Capot Chemical Co., Ltd. +1 additional providers that we know from the past

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole (OB-1)

Xiamen Hisunny Chemical Co., Ltd. | Xingrui Industry Co., Limited | Carbone Scientific Co., Ltd. +11 additional providers that we know from the past

2-[4-[(E)-2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole

+1 additional providers that we know from the past