CAS No.6492-86-0,4-Amino-1,8-naphthalic anhydride Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	6492-86-0
Name:	4-Amino-1,8-naphthalic anhydride
Article Data:	38

Formula:	C₁₂H₇NO₃
Molecular Weight:	213.192
Synonyms:	Naphthalicanhydride, 4-amino- (6CI,8CI);4-Amino-1,8-naphthalenedicarboxylic anhydride;4-Amino-1,8-naphthalic anhydride;NSC 7564;
EINECS:	229-372-4
Density:	1.534 g/cm³
Melting Point:	360 °C
Boiling Point:	501.4 °C at 760 mmHg
Flash Point:	310.8 °C
Appearance:	Orange powder
Hazard Symbols:	T
Risk Codes:	45-20/21/22-36/37/38
Safety:	53-22-26-36/37/39-45
PSA:	69.39000
LogP:	2.31380

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Specification

The systematic name of 4-Amino-1,8-naphthalic anhydride is 6-Amino-1H,3H-benzo[de]isochromene-1,3-dione. With the CAS registry number 6492-86-0, it is also named as 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione,6-amino-. The product's categories are Anhydride Monomers; Monomers; Polymer Science. Besides, it is orange powder, which should be stored in sealed, cool and dry place at -20 °C. In addition, its molecular formula is C₁₂H₇NO₃and molecular weight is 213.1889.

The other characteristics of this product can be summarized as: (1)EINECS: 229-372-4; (2)ACD/LogP: 0.47; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): 0.47; (5)ACD/LogD (pH 7.4): 0.47; (6)ACD/BCF (pH 5.5): 1.34; (7)ACD/BCF (pH 7.4): 1.34; (8)ACD/KOC (pH 5.5): 43.01; (9)ACD/KOC (pH 7.4): 43.01; (10)H bond acceptors: 4; (11)H bond donors: 2; (12)Freely Rotating Bonds: 1; (13)Polar Surface Area: 46.61 Å²; (14)Index of Refraction: 1.77; (15)Molar Refractivity: 57.76 cm³; (16)Molar Volume: 138.9 cm³; (17)Polarizability: 22.89×10^-24cm³; (18)Surface Tension: 80.3 dyne/cm; (19)Density: 1.534 g/cm³; (20)Flash Point: 310.8 °C; (21)Melting Point: 360 °C; (22)Enthalpy of Vaporization: 77.02 kJ/mol; (23)Boiling Point: 501.4 °C at 760 mmHg; (24)Vapour Pressure: 3.49E-10 mmHg at 25 °C.

Preparation of 4-Amino-1,8-naphthalic anhydride: this chemical can be prepared by 4-Nitro-naphthalene-1,8-dicarboxylic acid anhydride.

This reaction needs Acetic acid and Iron by heating. The reaction time is 4 hours. The yield is 52 %.

Uses of 4-Amino-1,8-naphthalic anhydride: it can react with Acetic acid anhydride to get 4-Acetylamino-naphthalene-1,8-dicarboxylic acid-anhydride.

This reaction needs Pyridine by heating.

When you are using this chemical, please be cautious about it as the following: 4-Amino-1,8-naphthalic anhydride is harmful by inhalation, in contact with skin and if swallowed. Please do not breathe dust. Moreover, it is irritating to eyes, respiratory system and skin. It also may cause cancer. Please wear suitable protective clothing, gloves and eye/face protection. Besides, you should avoid exposure - obtain special instructions before use. And in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Furhtermore, in case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

People can use the following data to convert to the molecule structure.
(1)SMILES:O=C3OC(=O)c2cccc1c(ccc3c12)N
(2)InChI:InChI=1/C12H7NO3/c13-9-5-4-8-10-6(9)2-1-3-7(10)11(14)16-12(8)15/h1-5H,13H2
(3)InChIKey:QIXHMCMCFSNKOG-UHFFFAOYAF
(4)Std. InChI:InChI=1S/C12H7NO3/c13-9-5-4-8-10-6(9)2-1-3-7(10)11(14)16-12(8)15/h1-5H,13H2
(5)Std. InChIKey:QIXHMCMCFSNKOG-UHFFFAOYSA-N