21878-87-5

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Basic information

Product Name: 2,3-dibromo-7-nitro-9H-fluoren-9-one
Synonyms:
CAS NO:21878-87-5
Molecular Formula: C₁₃H₅Br₂NO₃
Molecular Weight: 382.9917
EINECS: N/A
Product Categories: N/A
Mol File: 21878-87-5.mol
Article Data: 0

Chemical Properties

Melting Point: N/A
Boiling Point: 533.1°C at 760 mmHg
Flash Point: 276.2°C
Appearance: N/A
Density: 2.025g/cm³
Vapor Pressure: 1.91E-11mmHg at 25°C
Refractive Index: 1.735
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 2,3-dibromo-7-nitro-9H-fluoren-9-one(CAS DataBase Reference)
NIST Chemistry Reference: 2,3-dibromo-7-nitro-9H-fluoren-9-one(21878-87-5)
EPA Substance Registry System: 2,3-dibromo-7-nitro-9H-fluoren-9-one(21878-87-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 21878-87-5(Hazardous Substances Data)

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9H-Fluoren-9-one,2,3-dibromo-7-nitro-
Cas No: 21878-87-5
USD $ 3.0-3.0 / Kilogram
1 Kilogram
1-100 Metric Ton/Month
Dayang Chem (Hangzhou) Co.,Ltd.
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9H-Fluoren-9-one,2,3-dibromo-7-nitro-
Cas No: 21878-87-5
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Henan Tianfu Chemical Co., Ltd.
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9H-Fluoren-9-one,2,3-dibromo-7-nitro- cas 21878-87-5
Cas No: 21878-87-5
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Hangzhou Fandachem Co.,Ltd
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21878-87-5 Usage

General Description

2,3-dibromo-7-nitro-9H-fluoren-9-one is a chemical compound with the molecular formula C13H5Br2NO3. It is a yellow crystalline solid that is commonly used as a reagent in organic synthesis and as a fluorogenic reagent in analytical chemistry. It is also known for its high reactivity as a dienophile in Diels-Alder reactions. The compound is highly flammable and should be handled with care. Its structure consists of a fluorenone core with nitro and bromo substituents at specific positions, giving it unique chemical properties and reactivity in various reactions.

Check Digit Verification of cas no

The CAS Registry Mumber 21878-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,7 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21878-87:
(7*2)+(6*1)+(5*8)+(4*7)+(3*8)+(2*8)+(1*7)=135
135 % 10 = 5
So 21878-87-5 is a valid CAS Registry Number.

21878-87-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name	2,3-dibromo-7-nitrofluoren-9-one

1.2 Other means of identification

Product number	-
Other names	2,3-Dibrom-7-nitro-fluoren-9-on

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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