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Cyasorb UV-3638

BGC Id:	484711685110
CAS No:	18600-59-4
Synonyms:	1-benzoxazin-4-one,2,2'-(1,4-phenylene)bis-4h-3 ; 2,2-(1,4-phenylene)bis((4h-3,1-benzoxazine-4-one) ; 2,2'-(1,4-phenylene)bis-4h-3,1-benzoxazin-4-one ; uv-3638 ; 2,2'-benzene-1,4-diylbis(4h-3,1-benzoxazin-4-one) ; samsorb uv-3638 ; 2,2'-(p-phenylen)di-3,1-benzoxazin ; 2,2''-p-phenylenebis-4h-3,1-benzoxazin-4-one ; cyasorb uv-3638 ; uv absorber 3638
Molecular Formula:	C22H12N2O4
Molecular Weight:	368.34
EINECS:

The most competitive supplier in 2025

The following 2 notable providers have been checked and can be recommended.

Unilong Industry

Melting point	315-317 °C
Boiling point	522.8±20.0 °C(Predicted)
Density	1.41±0.1 g/cm3(Predicted)
Vapor pressure	0-0Pa at 20-25℃

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Nantong Xindao Biotech

What other providers are available for CAS 18600-59-4?

The last intensive check and update was carried out on 2025/09/17.

Identify

Synonyms:

1-benzoxazin-4-one,2,2'-(1,4-phenylene)bis-4h-3 ; 2,2-(1,4-phenylene)bis((4h-3,1-benzoxazine-4-one) ; 2,2'-(1,4-phenylene)bis-4h-3,1-benzoxazin-4-one ; uv-3638 ; 2,2'-benzene-1,4-diylbis(4h-3,1-benzoxazin-4-one) ; samsorb uv-3638 ; 2,2'-(p-phenylen)di-3,1-benzoxazin ; 2,2''-p-phenylenebis-4h-3,1-benzoxazin-4-one ; cyasorb uv-3638 ; uv absorber 3638

CAS:

18600-59-4

EINECS:

Molecular Formula:

C22H12N2O4

MDL:

MFCD00356293

Properties

Molecular Weight:

368.34 g·mol−1

Physical Description:

white powder

Suppliers

Unilong Industry Co.,Ltd

tipologia di azienda: Bulk chemical producer

Vendiamo Linolenic acid pure.

Nazione: P.R.China telefono: +86-15668417750 Fax: +86-531-55690079

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Nantong Xindao Biotech Ltd

tipologia di azienda: Leading producer

Nazione: P.R.China
telefono: +86 19033786557

XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. Forniamo il nostro prodotto chimico (Octahydrocyclopenta[b]pyrrol-3a-yl)methanol hydrochloride. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...

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Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

43-53 (R)

Safety Codes:

24-37-61 (S)

What other providers are available for CAS 18600-59-4?

In addition to the providers presented here for Cyasorb UV-3638 with the CAS number 18600-59-4, there are other 40 providers with slightly different product names available for this CAS number.

UV-3638

Simagchem Corporation | Xiamen Hisunny Chemical Co., Ltd. | Shandong SanYoung Industry Co., Ltd +5 additional providers that we know from the past

Uv-3638-d4

+1 additional providers that we know from the past

Sodium nuo kasu

+2 additional providers that we know from the past

UV Absorber 3638

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

2,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-one)

Chemie-Handel Schneider GmbH | Leap Chem Co., Ltd +4 additional providers that we know from the past

2,2-(1,4-Phenylene)bis((4H-3,1-benzoxazine-4-one)

Tianjin Zhongxin Chemtech Co., Ltd. | Dayang Chem (Hangzhou) Co.,Ltd. | Leap Chem Co., Ltd +8 additional providers that we know from the past

2,2'-(1,4-Phenylene)bis(4H-benzo[d][1,3]oxazin-4-one)

Capot Chemical Co., Ltd. +2 additional providers that we know from the past

2-[4-(4-Oxo-3,1-benzoxazin-2-yl)phenyl]-3,1-benzoxazin-4-one

+1 additional providers that we know from the past