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1-Isocyanato-3,5-dimethoxybenzene (54132-76-2)

Identification
Name:1-Isocyanato-3,5-dimethoxybenzene
Synonyms:3,5-Dimethoxyphenyl isocyanate;
CAS:54132-76-2
Molecular Formula: C9H9NO3
Molecular Weight: 179.17
InChI: InChI=1/C9H9NO3/c1-12-8-3-7(10-6-11)4-9(5-8)13-2/h3-5H,1-2H3
Molecular Structure: (C9H9NO3) 3,5-Dimethoxyphenyl isocyanate;
Properties
Boiling Point: 279.5°C at 760 mmHg
Density:1.1g/cm3
Refractive index:1.501
Specification:

The IUPAC name of 1-Isocyanato-3,5-dimethoxybenzene is 1-Isocyanato-3,5-dimethoxybenzene. With the CAS registry number 54132-76-2, it is also named as 3,5-Dimethoxyphenyl isocyanate. The product's categories are Isocyanates, Nitrogen Compounds, Organic Building Blocks. Besides, it should be stored in a cool and dry place. You should keep container tightly sealed. And you should ensure that workplaces have good ventilation or exhaust. In addition, its molecular formula is C9H9NO3 and molecular weight is 179.17.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.69; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.69; (4)ACD/LogD (pH 7.4): 2.69; (5)ACD/BCF (pH 5.5): 65.59; (6)ACD/BCF (pH 7.4): 65.59; (7)ACD/KOC (pH 5.5): 695.16; (8)ACD/KOC (pH 7.4): 695.16; (9)H bond acceptors: 4; (10)H bond donors: 0; (11)Freely Rotating Bonds: 3; (12)Polar Surface Area: 47.89 Å2; (13)Index of Refraction: 1.501; (14)Molar Refractivity: 47.78 cm3; (15)Molar Volume: 162.1 cm3; (16)Polarizability: 18.94×10-24cm3; (17)Surface Tension: 35.4 dyne/cm; (18)Density: 1.1 g/cm3; (19)Flash Point: 131.6 °C; (20)Melting point: 33-36 °C; (21)Enthalpy of Vaporization: 51.82 kJ/mol; (22)Boiling Point: 279.5 °C at 760 mmHg; (23)Vapour Pressure: 0.004 mmHg at 25 °C.

Preparation of 1-Isocyanato-3,5-dimethoxybenzene: this chemical can be prepared by 3,5-Dimethoxy-benzoic acid hydrazide.



This reaction needs 1N HCl, NaNO2 and H2O. The yield is 68 %.

Uses of 1-Isocyanato-3,5-dimethoxybenzene: it can react with Acetamide to get 1-Acetyl-3-(3,5-dimethoxyphenyl)urea.



This reaction will occur at temperature of 130-135 °C for 3 hours. The yield is 89.4 %.

When you are using this chemical, please be cautious about it as the following: 1-Isocyanato-3,5-dimethoxybenzene is harmful by inhalation, in contact with skin and if swallowed. And it is irritating to eyes, respiratory system and skin. Please wear suitable protective clothing. Moreover, in case of contact with eyes, please rinse immediately with plenty of water and seek medical advice.

People can use the following data to convert to the molecule structure.
(1)SMILES:O=C=N/c1cc(OC)cc(OC)c1
(2)InChI:InChI=1/C9H9NO3/c1-12-8-3-7(10-6-11)4-9(5-8)13-2/h3-5H,1-2H3
(3)InChIKey:LEKQOUWMYSIQII-UHFFFAOYAI
(4)Std. InChI:InChI=1S/C9H9NO3/c1-12-8-3-7(10-6-11)4-9(5-8)13-2/h3-5H,1-2H3
(5)Std. InChIKey:LEKQOUWMYSIQII-UHFFFAOYSA-N

Safety Data