Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)

Basic Information

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CAS Number

518-47-8

Molecular Formula

C21H12Na2O4

Molecular Weight

374.3 g/mol

EINECS

208-253-0

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

320 °C

Boiling Point

620.8°C at 760 mmHg

Density

0.579[at 20℃]

Water Solubility

500 g/L (20 ºC)

Flash Point

232.6 oC

Vapor Pressure

2.133hPa

Odor

无味

SMILES

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O=C([O-])C1=CC=CC=C1C2=C(C=C3)C(CC4=C2C=CC([O-])=C4)=CC3=O.[Na+].[Na+]

InChI

InChI=1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2

InChIKey

NJDNXYGOVLYJHP-UHFFFAOYSA-L

LogP

0.34

pKa

2.2, 4.4, 6.7(at 25℃)

Complexity

644

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

稳定的。

Sensitiveness

对湿度敏感

Toxicity

LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)

Synonyms & References

English

9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one,disodiumsalt
9’-(9h)xanthen)-3-one,3’,6’-dihydroxy-spiro(isobenzofuran-1(3hdisodiums
9’-[9h]xanthen]-3-one,3’,6’-dihydroxy-spiro[isobenzofuran-1(3hdisodiumsal
9-o-carboxyphenyl-6-hydroxy-3-isoxanthone,disodiumsalt
abcoluraninepowders&liquids
aizenuranine
c.i.45350disodiumsalt
c.i.45350sodiumsalt
Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
Acid Yellow 73~C.I. 45350
C.I. 45350
Fluorescein Sodium Salt
Uranine
Fluorescein disodium salt hydrate
C.I. Acid Yellow 73
Acid Yellow 73 (C.I.)
disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate
Fluorescein
Acid Yellow 73
Uranin
11824 yellow
12417 yellow
ful-glo
funduscein
furanium
hidacid uranine
Soap yellow
C.I. 45350 sodium salt
sodium fluoresceinate
fluorescein sodium b.p
sodium salt of hydroxy-o-carboxy-phenyl-fluorone

MDL Number

MFCD00167039

EC Number

208-253-0

Customs Code

32041200

FAQ

What is Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8)?

Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8) is a spirocyclic compound containing isobenzofuran and xanthene ring systems. It is a derivative of xanthene with two olate groups and exhibits unique photophysical properties, making it relevant in fluorescence and chemical research applications.

What are the main uses of Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8)?

Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8) is primarily used in pharmaceutical research as a photosensitizer and in the development of fluorescent probes. It also finds applications in organic synthesis and industrial dye manufacturing due to its structural versatility and optical characteristics.

Is Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8) safe?

Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8) is generally considered safe when handled properly. However, it may cause skin or eye irritation. Safety precautions include wearing protective gloves, goggles, and lab coats, and following standard chemical safety protocols to minimize exposure risks.

How should Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8) be stored?

Sodium 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate) (CAS: 518-47-8) should be stored in a cool, dry place away from light. Use airtight containers to prevent moisture absorption, and ensure it is kept in a well-ventilated area. Avoid exposure to incompatible substances to maintain stability and safety.