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2′,7′-Dichlorofluorescein

2′,7′-Dichlorofluorescein structure

CAS No:
76-54-0
Formula:
C20H10Cl2O5
Chemical Name:
2′,7′-Dichlorofluorescein
Synonyms:
Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,2′,7′-dichloro-3′,6′-dihydroxy-;Fluorescein,2′,7′-dichloro-;2′,7′-Dichloro-3′,6′-dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one;2′,7′-Dichlorofluorescein;D and C Orange No. 25;D and C Orange 25;Fluorescein 548;Fluorescein 27;2′,7′-Dichlorofluoresceine;Dichlorofluorescein;2′,7′-Dichloro-3′,6′-dihydroxyspiro[2-benzofuran-3,9′-xanthene]-1-one;87714-38-3;116189-73-2;153474-60-3;1529808-38-5
Categories:
Analytical Chemistry > Analysis Reagents

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Description

red to yellow solid

2',7'-dichlorofluorescein is a member of 2-benzofurans. It has a role as a fluorochrome. It derives from a fluorescin.

2′,7′-Dichlorofluorescein Basic Attributes

Molecular Weight：

401.2

Exact Mass：

401.20

EC Number：

200-968-6

UNII：

56NQM5UZT1

DSSTox ID：

DTXSID8058798

HScode：

2932999099

Characteristics

PSA：

XLogP3：

4.7

Appearance：

orange to red-brown, powder crystalline

Density：

1.8±0.1 g/cm3

Melting Point：

280 °C (dec.)(lit.)

Boiling Point：

670.7°C at 760 mmHg

Flash Point：

12°C (53.6°F)

Refractive Index：

1.797

Water Solubility：

soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water.alcohol: passes test

Storage Conditions：

Store at +5°C to +30°C.

Safety Information

Transport codes：

UN 1219 3/PG 2

wgk germany：

hazard class code：

36/37/38-36-67-11

safety instructions：

26-36-16

RTECS Number：

NT8050000

Marks：

Xi,F

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P210-P261-P305 + P351 + P338

Hazard Statements：

H225-H319-H336

GHS Classification：

|Warning|H315 (90.91%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 45 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

2',7'-dichlorofluorescein

2′,7′-Dichlorofluorescein Use and Manufacturing

Uses

Widely used probe, e.g. for determination of carbohydrates by fluorescence densitometry after TLC and determination of H2O2 by chemiluminescence. Fluorescent additives used in indirect fluorimetric detection in OTC-HPLC.

Manufacturing Info：

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',7'-dichloro-3',6'-dihydroxy-: ACTIVE

Computed Properties

Molecular Weight:401.2
XLogP3:4.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:5
Exact Mass:399.9905288
Monoisotopic Mass:399.9905288
Topological Polar Surface Area:76
Heavy Atom Count:27
Complexity:585
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 2′,7′-Dichlorofluorescein

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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2′,7′-Dichlorofluorescein

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