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| CAS No.: | 1016-19-9 |
|---|---|
| Name: | 3,4,5-TRIMETHOXYPHENYL ISOCYANATE |
| Molecular Structure: | |
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| Formula: | C10H11NO4 |
| Molecular Weight: | 209.202 |
| Synonyms: | Isocyanicacid, 3,4,5-trimethoxyphenyl ester (7CI,8CI);3,4,5-Trimethoxyphenylisocyanate;5-Isocyanato-1,2,3-trimethoxybenzene; |
| Density: | 1.13 g/cm3 |
| Melting Point: | 42-45 °C (lit.) |
| Boiling Point: | 318.8 °C at 760 mmHg |
| Flash Point: | 148.5 °C |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 26-36/37/39 |
| Transport Information: | UN 2811 |
| PSA: | 57.12000 |
| LogP: | 1.67970 |
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Specification
The Benzene, 5-isocyanato-1, 2, 3-trimethoxy-, with the CAS registry number 1016-19-9, is also known as 3, 4, 5-Trimethoxyphenyl isocyanate. It belongs to the product categories of Isocyanates; Nitrogen Compounds; Organic Building Blocks. This chemical's molecular formula is C10H11NO4 and molecular weight is 209.2. What's more, its IUPAC name is 5-Isocyanato-1, 2, 3-trimethoxybenzene. In addition, it must be stored in airtight containers under dry inert gases and placed in a dry, cool place. Meanwhile, it should be kept away from oxidant, alcohol, amine, moisture, heat source.
Physical properties about Benzene, 5-isocyanato-1, 2, 3-trimethoxy- are: (1)ACD/LogP: 2.33; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.33; (4)ACD/LogD (pH 7.4): 2.33; (5)ACD/BCF (pH 5.5): 34.45; (6)ACD/BCF (pH 7.4): 34.45; (7)ACD/KOC (pH 5.5): 438.44; (8)ACD/KOC (pH 7.4): 438.44; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 57.12 Å2; (13)Index of Refraction: 1.494; (14)Molar Refractivity: 53.59 cm3; (15)Molar Volume: 183.9 cm3; (16)Polarizability: 21.24×10-24 cm3; (17)Surface Tension: 34.5 dyne/cm; (18)Density: 1.13 g/cm3; (19)Flash Point: 148.5 °C; (20)Enthalpy of Vaporization: 56.03 kJ/mol; (21)Boiling Point: 318.8 °C at 760 mmHg; (22)Vapour Pressure: 0.000353 mmHg at 25 °C.
Preparation of Benzene, 5-isocyanato-1, 2, 3-trimethoxy-: this chemical is prepared by 3, 4, 5-Trimethoxy-benzoyl azide. This reaction needs two steps, the reaction conditions are 1.) CH3Ph/Ether, reflux, 1.5 h; 2.) CH3Ph, 1.5 h. The yield is about 95.2 %.
Uses of Benzene, 5-isocyanato-1, 2, 3-trimethoxy-: it is used to produce other chemicals. For example, it is used to produce 1-Benzyl-1-butyl-3-(3, 4, 5-trimethoxy-phenyl)-urea at ambient temperature. The reaction needs solvent Hexane. The yield is about 94 %.
When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin. In addition, this chemical is harmful by inhalation, in contact with skin and if swallowed. During using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1) SMILES: O=C=N\c1cc(OC)c(OC)c(OC)c1
(2) InChI: InChI=1/C10H11NO4/c1-13-8-4-7(11-6-12)5-9(14-2)10(8)15-3/h4-5H,1-3H3
(3) InChIKey: MJJXWPHZDBIHIM-UHFFFAOYAW