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4′,5′-Dibromo-2′,7′-dinitrofluorescein

4′,5′-Dibromo-2′,7′-dinitrofluorescein structure

CAS No:
56360-46-4
Formula:
C20H8Br2N2O9
Chemical Name:
4′,5′-Dibromo-2′,7′-dinitrofluorescein
Synonyms:
Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,4′,5′-dibromo-3′,6′-dihydroxy-2′,7′-dinitro-;4′,5′-Dibromo-3′,6′-dihydroxy-2′,7′-dinitrospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one;Eosine B (alcohol soluble);4′,5′-Dibromo-2′,7′-dinitrofluorescein;754184-76-4
Categories:
Biochemical Engineering > Biochemical Reagents

Description

orange powder

Eosin b diphenol is a C-nitro compound which consists of a fluorescein skeleton substituted by bromo groups at positions 4 and 5 and nitro groups at positions 2 and 7. It is an organobromine compound, a C-nitro compound, an oxaspiro compound, a member of 2-benzofurans, a member of xanthenes and a lactone. It derives from a fluorescein (lactone form). It is a conjugate acid of an eosin b(2-).|A red fluorescein dye used as a histologic stain. It may be cytotoxic, mutagenic, and inhibit certain mitochondrial functions.

4′,5′-Dibromo-2′,7′-dinitrofluorescein Basic Attributes

Molecular Weight：

580.1

Exact Mass：

580.09

EC Number：

208-943-1

HScode：

32041200

Characteristics

PSA：

179.38000

XLogP3：

6.35640

Appearance：

Orange Powder

Density：

2.27±0.1 g/cm3(Predicted)

Melting Point：

275 °C (dec.)(lit.)

Boiling Point：

663.6ºC at 760 mmHg

Flash Point：

355.1ºC

Water Solubility：

spirit: soluble

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

22-21/22

safety instructions：

22-24/25-36/37

Marks：

Drug Information

MeSH：

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. (See all compounds classified as Fluorescent Dyes.)

MeSH Entry Terms：

Bluish, Eosine

Computed Properties

Molecular Weight:580.1
XLogP3:5.6
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:9
Exact Mass:579.85761
Monoisotopic Mass:577.85965
Topological Polar Surface Area:168
Heavy Atom Count:33
Complexity:804
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 4′,5′-Dibromo-2′,7′-dinitrofluorescein

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Computed Properties
Learn More Other Chemicals

4′,5′-Dibromo-2′,7′-dinitrofluorescein

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