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Home › Product Catalog › ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-

ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-

CAS 81-88-9C28H31N2O3.ClMW 479.0

ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- (CAS 81-88-9) — formula C28H31N2O3.Cl, molecular weight 479.0; category organic chemicals.

Specifications

CAS Number81-88-9
Molecular FormulaC28H31N2O3.Cl
Molecular Weight479.0
CategoryOrganic Chemicals

Purchase Profile

What this product is

ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- is a carbon-based organic compound with CAS registry number 81-88-9 and molecular formula C28H31N2O3.Cl (molecular weight 479.0), belonging to the organic chemicals segment of chemical raw materials.

Identification

CAS number: 81-88-9

Its molecular formula C28H31N2O3.Cl comprises 28 C, 31 H, 2 N, 3 O, 1 Cl atoms.

Also known as: ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- · Basic Rhodamine · Rhodamine B

Category: organic chemicals

Frequently Asked Questions

What is the CAS number of ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-?

The CAS registry number of ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- is 81-88-9.

What is the molecular formula and molecular weight of ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-?

Molecular formula C28H31N2O3.Cl, molecular weight 479.0.

What other names is ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- known by?

It is also registered under: ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-, Basic Rhodamine, Rhodamine B.

Which category does ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- belong to?

Category: Organic Chemicals.

PubChem Public Data

Public-database records for ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl- (CAS 81-88-9), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary0.9% (22 / 2557)
Reported hazard statementsH302 (13.6%), H318 (98.2%), H412 (93.9%), H335

This chemical does not meet GHS hazard criteria for 0.9% (22 of 2557) of reports.

H302 (13.6%): Harmful if swallowed [Warning Acute toxicity, oral]

Regulatory listings

Regulatory & Food ContactCOLOUR: Food Additives
CI FOOD RED 15
NMRS 38/TRS 309-JECFA 8/24
D AND C RED No. 19
GHS notification summary0.9% (22 / 2557)

Physical description and handling notes

  • C.i. food red 15 appears as green crystals or reddish-violet powder. Used as a dye, especially for paper, as a metal chelating reagent, and in drugs and cosmetics.
  • Green crystals or red-violet powder soluble in water; Dilute solutions are fluorescent. [CAMEO]
  • Green crystals or reddish-violet powder.
  • GREEN CRYSTALS OR REDDISH-VIOLET POWDER; WATER SOLN WITH BLUISH-RED COLOR, DIL SOLN STRONGLY FLUORESCENT
  • LEAFLETS FROM DILUTE HYDROCHLORIC ACID
  • SOL IN WATER, ALCOHOL & ETHER, BENZENE /BASIC ANHYDROUS FORM/

Reported physical properties

Other Experimental Properties165 °C (anhydrous)
Color Additive Status81.10
Color Additive Status81.30

How this substance is indexed

CAS Registry Number81-88-9
PubChem CID6694
分子式C28H31N2O3.Cl
IUPAC 名称[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride
UNII（FDA）K7G5SCF8IL

Documented uses

  • Used as a paper dye, a metal chelating agent, and an additive to drugs and cosmetics; [CAMEO] Rhodamine dyes (aminoxanthenes) are xanthene dyes that are very important commercially. They are brilliant, blue-red, fluorescent dyes used as colorants in inks, paper, and plastics. Sulfonated derivatives are used as wool and polyamide dyes. Red fluorescent pigments are produced from Rhodamine dyes, and some of these are used as laser dyes. Rhodamine B is used to make pink fluorescent pigments. [Ullmann]
  • Pulp and Paper Processing [Category: Industry]
  • Painting (Pigments, Binders, and Biocides) [Category: Paint]
  • AS DYE, ESP FOR PAPER; AS REAGENT FOR ANTIMONY, BISMUTH, COBALT, NIOBIUM, GOLD, MANGANESE, MERCURY, MOLYBDENUM, TANTALUM, THALLIUM, TUNGSTEN; AS BIOLOGICAL STAIN.
  • RED DYE FOR WOOL & SILK WHERE BRILLIANT FLUORESCENT EFFECTS ARE DESIRED.
  • Food Additives -> COLOUR -> JECFA Functional Classes

Names this substance appears under

RHODAMINE B; 81-88-9; Basic Violet 10; Brilliant Pink B; Tetraethylrhodamine; Rhodamine B chloride; Calcozine Red BX; Symulex Magenta F; Rhodamine; Rhodamine O; Rheonine B; Rhodamine FB; Geranium lake N; Rhodamine BA; Rhodamine BF; Rhodamine BL

Computed molecular descriptors

分子量479.0
氢键供体数1
氢键受体数5
可旋转键数7
精确质量478.2023205
单同位素质量478.2023205
拓扑极性表面积52.8
重原子数34
形式电荷0
复杂度811

Database abstract

Rhodamine B · CAS 81-88-9 · C28H31N2O3.Cl. UNII K7G5SCF8IL. Other Experimental Properties: 165 °C (anhydrous); Color Additive Status: 81.10; Color Additive Status: 81.30.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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