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Eosin Y, disodium salt, CI 45380

BGC Id:	450805809793
CAS No:	17372-87-1
Synonyms:	2na ; bromoxx ; bromob ; bromo4d ; ami-5 ; eosina ; red a ; red 22 ; bromots ; bromofl
Molecular Formula:	C20H6Br4Na2O5
Molecular Weight:	691.85418
EINECS:	241-409-6

Verified providers in 2026

The following notable provider has been checked and can be recommended.

Molekula GmbH

Company type: Trading company

Phone: +49 (0) 89 360 900 900
Telefax: +49 (0) 89 360 900 901
Country: Germany

Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of k ...

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What other providers are available for CAS 17372-87-1?

The last intensive check and update was carried out on 2026/04/12.

Identify

Synonyms:

2na ; bromoxx ; bromob ; bromo4d ; ami-5 ; eosina ; red a ; red 22 ; bromots ; bromofl

CAS:

17372-87-1

EINECS:

241-409-6

Molecular Formula:

C20H6Br4Na2O5

MDL:

MFCD00133309

SMILES:

C1CCCN(CC1)C(=O)C2CCNCC2

Properties

Molecular Weight:

691.85418 g·mol−1

Density:

1.02 g/mL at 20 °C

Melting point:

>300°C

Flash point:

11 °C

Solubility:

H₂O: 0.1 g/mL, dark red

Safety Information

Hazard Symbols: F, T, Xn, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

11-23/24/25-39/23/24/25-52/53-41-22-36-10 (R)

Safety Codes:

7-16-36/37-45-24/25-61-39-26 (S)

WGK Germany:

RID / ADR:

UN 1230 3 / PG 2

RTECS:

LM5850000

Storage temperature:

Store at RT.

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 17372-87-1?

In addition to the providers presented here for Eosin Y, disodium salt, CI 45380 with the CAS number 17372-87-1, there are other 56 providers with slightly different product names available for this CAS number.

Eosin Y

+1 additional providers that we know from the past

Eosin YS

Shandong Ench Chemical Co.,Ltd | Sancai Industry Co.,Ltd. | Zehao Industry Co., Ltd. +3 additional providers that we know from the past

Acid Red 87

Lori Industry Co., Ltd | Finetech Industry Limited | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. | Haihang Industry Co., Ltd. +14 additional providers that we know from the past

Eosin sodium

Shandong SanYoung Industry Co., Ltd

Disodium eosine

+2 additional providers that we know from the past

Eosin Y disodium

Shandong Lanhai Industry Co.,Ltd.

Eosin C.I. No. 45380

+2 additional providers that we know from the past

Eosin Y water soluble

Xingrui Industry Co., Limited | AK Scientific, Inc. +6 additional providers that we know from the past

Tetrabromofluorescein disodium salt

Shanghai Mintchem Development Co., Ltd. | BuGuCh & Partners +1 additional providers that we know from the past

Protein Methyltransferase Inhibitor, AMI-5

+1 additional providers that we know from the past

2,4,5-7-Tetrabromofluorescein disodium salt

Hangzhou Lingrui Chemical Co., Ltd.

2,4,5,7-Tetrabromofluorescein sodium salt (Eosin Y)

Shanghai Mintchem Development Co., Ltd. | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners

Disodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)

BLD Pharmatech Ltd | BuGuCh & Partners +1 additional providers that we know from the past

9'-[9H]xanthen]-3-one,2',4',5',7'-tetrabromo-3',6'-dihydroxy-spiro[isobenzofuran-1(3H) sodium salt (1:2)

+2 additional providers that we know from the past