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Rose Bengal sodium salt

Also known as: Acid Red 94, Rose Bengal sodium, Bengal Rose, Disodium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Food Red No. 105, CI Acid red 94, Rose Bengal Sodium Salt, 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt, Disodium 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate, r105sodium, oxanthone2na, rosebengalsodium

Rose Bengal sodium salt (CAS 632-69-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H2Cl4I4Na2O5 and a molecular weight of 1017.636 g/mol. Key properties include a melting point of >300°C, a boiling point of 757.8ºC at 760 mmHg and a flash point of 412.1ºC. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 3, 2026.

CAS No.
632-69-9
Jingsj CID
J-6807-5
Molecular Formula
C20H2Cl4I4Na2O5
Molecular Weight
1017.636 g/mol
Category
Organic Compounds
Last updated
11/3/2026
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Physicochemical Properties

Melting Point>300°C
Boiling Point757.8ºC at 760 mmHg
Flash Point412.1ºC
Exact Mass1015.463013
PSA93.40000
LogP8.10410
Additional Propertysoluble

Activity & Biological Data

Additional Information[1]. Doughty MJ, et, al. Fluorescence characteristics of sodium fluorescein-rose bengal ophthalmic solution mixtures. Cont Lens Anterior Eye. 2014 Oct; 37(5): 358-62. [2]. Roat MI, et, al. The antiviral effects of rose bengal and fluorescein. Arch Ophthalmol. 1987 Oct; 105(10): 1415-7.

Frequently Asked Questions

What is the CAS number of Rose Bengal sodium salt?

The CAS number of Rose Bengal sodium salt is 632-69-9.

What are the molecular formula and molecular weight of Rose Bengal sodium salt?

Rose Bengal sodium salt has molecular formula C20H2Cl4I4Na2O5 and molecular weight 1017.636 g/mol.

Which suppliers offer Rose Bengal sodium salt?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of Rose Bengal sodium salt?

For Rose Bengal sodium salt, Upstream Products: Rose Bengal lactone; Downstream Products: Rose Bengal lactone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Rose Bengal sodium salt (CAS 632-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6807-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.