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3-Aminophthalimide

Product Name
3-Aminophthalimide
CAS No.
2518-24-3
Chemical Name
3-Aminophthalimide
Synonyms
3-AMINOPHTHALIMIDE;3-Amino-phthalamide;4-Amino-1H-isoindole;3-AMINOPHTHALIMIDE 99%;3-Aminophthalimide,99%;4-Amino-isoindole-1,3-dione;4-Aminoisoindoline-1,3-dione;4-amino-1h-isoindole-3(2h)-dione;4-AMINO-1H-ISOINDOLE-1,3(2H)-DIONE;1H-Isoindole-1,3(2H)-dione,4-amino-
CBNumber
CB8249564
Molecular Formula
C8H6N2O2
Formula Weight
162.15
MOL File
2518-24-3.mol
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3-Aminophthalimide Property

Melting point:
268.5-273.5 °C (lit.)
Boiling point:
288.82°C (rough estimate)
Density 
1.3264 (rough estimate)
refractive index 
1.5770 (estimate)
storage temp. 
under inert gas (nitrogen or Argon) at 2–8 °C
pka
9.76±0.20(Predicted)
Appearance
Yellow to orange Solid
CAS DataBase Reference
2518-24-3(CAS DataBase Reference)
NIST Chemistry Reference
3-Aminophthalimide(2518-24-3)
EPA Substance Registry System
1H-Isoindole-1,3(2H)-dione, 4-amino- (2518-24-3)
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Safety

Hazard Codes 
Xn
Risk Statements 
36/37/38-42/43
Safety Statements 
22-26-36/37-45
WGK Germany 
3
HS Code 
29251995
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
A3555
Product name
4-Aminoisoindoline-1,3-dione
Purity
min. 95.0 %
Packaging
5G
Price
$104
Updated
2025/07/31
TCI Chemical
Product number
A3555
Product name
4-Aminoisoindoline-1,3-dione
Purity
min. 95.0 %
Packaging
25G
Price
$311
Updated
2025/07/31
Matrix Scientific
Product number
081500
Product name
4-Amino-1H-isoindole-1,3(2H)-dione
Purity
97%
Packaging
1g
Price
$194
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA139690
Product name
4-Aminoisoindoline-1,3-dione
Packaging
500mg
Price
$50
Updated
2021/12/16
AK Scientific
Product number
I658
Product name
3-Aminophthalimide
Packaging
1g
Price
$54
Updated
2021/12/16
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3-Aminophthalimide Chemical Properties,Usage,Production

Chemical Properties

yellow fine powder

Uses

3-Aminophthalimide may be used in direct chemiluminescent cellular bioassays. It may also be used in the preparation of 3-bromopthalimide.

General Description

3-Aminophthalimide (API) is a stable precursor of luminol. API can be prepared by the hydrogenation of 3-nitrophthalimide and methanol in the presence of 10% Pd-C.

Synthesis

603-62-3

2518-24-3

The general procedure for the synthesis of 3-amino phthalimide from 3-nitrophthalimide was as follows: 3-nitrophthalimide (LOOGR) was placed in a hydrogenation reactor and dissolved by adding 500 mL of dimethylformamide (DMF). Subsequently, 20 g of wet Ruanne nickel catalyst was added to the solution. The hydrogenation reaction was started by applying a hydrogen pressure of 20-40 psi at 20-30 °C. After the initial exothermic phase of the reaction, the hydrogen pressure was increased to 40-60 psi and the reaction temperature was raised to 40-50 °C to continue the reaction. After the hydrogen is completely absorbed, a sample is taken and analyzed by thin layer chromatography (TLC) to confirm that the 3-nitrophthalimide has been completely converted. Upon completion of the reaction, the reaction mixture was filtered while hot to remove the catalyst. The filtrate was concentrated under reduced pressure at 60-80 °C to remove the solvent. To the residue was added 500 mL of water and stirred for 20-30 minutes. The product was separated by filtration and dried at 60-70 °C to give a yellow crystalline solid 3-aminophthalimide (80 g, 95% yield). The melting point of the product was 262-264 °C.

References

[1] MedChemComm, 2016, vol. 7, # 2, p. 292 - 296
[2] Patent: WO2004/43919, 2004, A1. Location in patent: Page 6
[3] Patent: WO2004/43919, 2004, A1. Location in patent: Page 7
[4] Patent: WO2004/43919, 2004, A1. Location in patent: Page 7
[5] Journal of Chemical Research, 2011, vol. 35, # 6, p. 326 - 328

3-Aminophthalimide Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Aminophthalimide Suppliers

Carbosynth
Tel
--
Fax
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Email
sales@carbosynth.com
Country
United Kingdom
ProdList
6005
Advantage
58
Manchester Organics
Tel
--
Fax
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Email
info@manchesterorganics.com
Country
United Kingdom
ProdList
6834
Advantage
67
CARBONE SCIENTIFIC CO.,LTD
Tel
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Fax
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Email
sales@carbonesci.com
Country
United Kingdom
ProdList
6666
Advantage
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ETA SCIENTIFIC Co.,Ltd
Tel
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Fax
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Email
sales@etascientific.com
Country
United Kingdom
ProdList
6090
Advantage
34
UK GREEN SCIENTIFIC CO.,LIMITED
Tel
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Fax
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Email
sales@gs-chem.com
Country
United Kingdom
ProdList
6098
Advantage
47
Eurolabs Limited
Tel
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Fax
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Country
United Kingdom
ProdList
6309
Advantage
46
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View Lastest Price from 3-Aminophthalimide manufacturers

Asia Chem I and E (Jiangsu) Co Ltd
Product
3-Aminophthalimide 2518-24-3
Price
US $209.30/Kg/Drum
Min. Order
25Kg/Drum
Purity
99.00%HPLC
Supply Ability
4tons/month
Release date
2021-09-23
Career Henan Chemical Co
Product
3-Aminophthalimide 2518-24-3
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200kgs
Release date
2020-01-29

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