Eosin

HCID 11048CAS 17372-87-1

Grundinformationen

Standard-SMILES
O=C([O-])c1ccccc1-c1c2cc(Br)c(=O)c(Br)c-2oc2c(Br)c([O-])c(Br)cc12.[Na+].[Na+]
InChIKey
SEACYXSIPDVVMV-UHFFFAOYSA-L
Summenformel
C20H6Br4Na2O5
Durchschnittliche Molmasse
691,9 g/mol

Überblick

Eosin is a red crystalline powder. (NTP, 1992)

Namen und Bezeichner

Bevorzugter Name
Eosin
IUPAC
disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate

Namen und Synonyme

Acid red 87EosinEosin yellowishEosine YellowishEosineSodium eosineBromo acidEosine YEosine GEosin YSBromofluoresceinSodium eosinate
Weitere Namen anzeigen
Bronze BromoCertiqual EosineBromo FluoresceinEosine AEosine JEosine BSEosine DAEosine FA

Datenbank-Bezeichner

CAS
17372-87-1、548-26-5
PubChem CID
11048
DTXSID
DTXSID901015574
ChEMBL
CHEMBL408917、CHEMBL411675
ChEBI
CHEBI:52053
UNII
TDQ283MPCW
EC Number
241-409-6、611-203-4
Nikkaji
J79.244F

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA)
89,5 Ų
H-Brücken-Donoren
0
H-Brücken-Akzeptoren
5
Frei drehbare Bindungen
1
Schwere Atome
31

Experimentelle und physikochemische Eigenschaften

Chemical ClassesDyes -> Di- and Triaryl Dyes
CosmeticsHair dyeing; Cosmetic colorant
Food AdditivesDrugs, Cosmetics -> FDA Regulatory Status of Color Additives
Solubilitygreater than or equal to 100 mg/mL at 70 °F (NTP, 1992)
Melting Point572 °F (decomposes) (NTP, 1992)
Physical Description · 2 Einträge

Eosin is a red crystalline powder. (NTP, 1992)

Red with a bluish tinge or brownish-red solid; [Merck Index]

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 6 Einträge

This chemical does not meet GHS hazard criteria for 7% (47 of 671) of reports.

Warning

H319 (87%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)

Aggregated GHS information provided per 671 reports by companies from 12 notifications to the ECHA C&L Inventory.

This chemical does not meet GHS hazard criteria for 50% (1 of 2) of reports.

Gefahrenhinweise

Regulatory Information · 4 Einträge

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

REACH registered substance: Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate (EC: 241-409-6)

Eosin disodium salt: Does not have an individual approval but may be used under an appropriate group standard

C.I. Acid red 87: Does not have an individual approval but may be used under an appropriate group standard

Fire HazardsFlash point data for this chemical are not available; however, it is probably combustible. (NTP, 1992)
Health HazardsSYMPTOMS: Symptoms of exposure to this chemical include cheilitis, facial dermatitis and stomatitis.
Hazards SummaryMay cause facial dermatitis; [NTP] A moderate eye irritant; [Sigma-Aldrich MSDS]
Reactive GroupEsters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters
Air and Water ReactionsWater soluble.

Sicherheit und Schutzausrüstung

Fire FightingFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
First Aid · 1 Eintrag

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Nonfire Spill Response · 1 Eintrag

SMALL SPILLS AND LEAKAGE: If you spill this chemical, you should dampen the solid spill material with water, then transfer the dampened material to a suitable container. Use absorbent paper dampened with water to pick up any remaining material. Seal your contaminated clothing and the absorbent paper in a vapor-tight plastic bag for eventual disposal. Wash all contaminated surfaces with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Personal Protective Equipment (PPE) · 1 Eintrag

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)

Chemie und Industrie

Pharmakologische Informationen

ATC Code · 2 Einträge

D - Dermatologicals

QD - Dermatologicals

MeSH Pharmacological Classification · 1 Eintrag

Chemicals that emit light after excitation by light. The wave length of the emitted light is usually longer than that of the incident light. Fluorochromes are substances that cause fluorescence in other substances, i.e., dyes used to mark or label other compounds with fluorescent tags.

Verwendung und Herstellung

Uses · 2 Einträge

Permitted for use as an inert ingredient in non-food pesticide products; [EPA] Used as a biological stain and dye for red inks, wool, silk, drugs, cosmetics, and paper; [Merck Index] Also used as a reagent for the spectrophotometric determination of silver (sub-microgram amounts) and for coloring motor fuels; [NTP]

Pulp and Paper Processing [Category: Industry]

Use Classification · 6 Einträge

Food Additives -> COLOUR -> JECFA Functional Classes

Food Additives -> COLOUR -> JECFA Functional Classes

Food Additives -> COLOUR -> JECFA Functional Classes

Food Additives -> COLOUR -> JECFA Functional Classes

Food Additives -> COLOUR -> JECFA Functional Classes

Cosmetics -> Hair dyeing; Cosmetic colorant

Zugehörige Reaktionen

3

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