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ChemicalBook--->CAS DataBase List--->596-03-2

596-03-2

596-03-2 Structure

596-03-2 Structure
IdentificationMore
[Name]

4',5'-DIBROMOFLUORESCEIN
[CAS]

596-03-2
[Synonyms]

4',5'-DIBROMO-3',6'-DIHYDROXYSPIRO[ISOBENZOFURAN-1(3H),9'-[9H]XANTHEN]-3-ONE
4',5'-DIBROMOFLUORESCEIN
4,5-DIBROMOFLUORESCEIN
CI 45370
CI 45370.1
CI 45370:1
CI NO 45370
CI NO 45370:1
DIBROMOFLUORESCEIN
DIBROMOFLUOROESCEIN
SOLVENT RED 72
4’,5’-dibromo-fluorescei
4’,5’-dibromofluororescein
9’-(9H)xanthen)-3-one,4’,5’-dibromo-3’,6’-dihydroxy-Spiro(isobenzofuran-1(3H)
acidorange11
c.i.solventred72
d&corangeno.5
eosinicacid
japanorange201
japanorangeno.201
[EINECS(EC#)]

209-876-0
[Molecular Formula]

C20H10Br2O5
[MDL Number]

MFCD00005042
[Molecular Weight]

490.1
[MOL File]

596-03-2.mol
Chemical PropertiesBack Directory
[Appearance]

orange powder
[Melting point ]

270-273 °C(lit.)
[Boiling point ]

633.7±55.0 °C(Predicted)
[density ]

1.6743 (rough estimate)
[refractive index ]

1.5010 (estimate)
[storage temp. ]

Sealed in dry,Room Temperature
[Colour Index ]

45370
[pka]

8.14±0.20(Predicted)
[Merck ]

14,3022
[BRN ]

57189
[CAS DataBase Reference]

596-03-2(CAS DataBase Reference)
[EPA Substance Registry System]

Safety DataBack Directory
[Hazard Codes ]

Xi,T
[Risk Statements ]

R36:Irritating to the eyes.
R25:Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[RIDADR ]

UN 2811 6.1/PG 3
[WGK Germany ]

3
[RTECS ]

LM5200000
[TSCA ]

Yes
[HS Code ]

32129000
[Safety Profile]

Poison by ingestion and intravenous routes. An herbicide. When heated to decomposition it emits highly toxic fumes of NOx, CN-, and Br-. See also NITRILES.
Hazard InformationBack Directory
[Chemical Properties]

orange powder
[Uses]

4'',5''-Dibromofluorescein is a stain with an absorption maximum of 450 nm. Dyes and metabolites, Environmental Testing
[Preparation]

Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in the sodium hydroxide solution two bromination, and??made into a free acid form.
[Properties and Applications]

brilliant yellow light yellow. Slightly soluble in water for orange, with weak yellow fluorescence, soluble in ethanol for orange, with green yellow fluorescence, soluble in acetone peachblossom, with yellow fluorescence, soluble in Tetrahydrofurfuryl alcohol. In concentrated sulfuric acid to red light yellow, dilution after yellow brown, with orange precipitation. Dye aqueous solution to join sodium hydroxide as red edge; In the glycerol and liquid paraffin in good dispersibility. Used in medicines and cosmetics coloring.
[Purification Methods]

Crystallise it from aqueous 30% EtOH. [Beilstein 19/6 V 462.]
Spectrum DetailBack Directory
[Spectrum Detail]

4',5'-DIBROMOFLUORESCEIN(596-03-2)MS
4',5'-DIBROMOFLUORESCEIN(596-03-2)IR1
4',5'-DIBROMOFLUORESCEIN(596-03-2)IR2
4',5'-DIBROMOFLUORESCEIN(596-03-2)Raman
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

[Sigma Aldrich]

596-03-2(sigmaaldrich)
[TCI AMERICA]

Dibromofluorescein  (Mono-, Tri-and Tetra-mixture)(596-03-2)
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