Product Name

  • Name

    3,5-DIMETHYLPHENYL ISOTHIOCYANATE

  • EINECS -0
  • CAS No. 40046-30-8
  • Article Data9
  • CAS DataBase
  • Density 1.01 g/cm3
  • Solubility
  • Melting Point
  • Formula C9H9NS
  • Boiling Point 282.2 °C at 760 mmHg
  • Molecular Weight 163.243
  • Flash Point 127.3 °C
  • Transport Information 2810
  • Appearance clear pale yellow liquid
  • Safety 26-36/37/39
  • Risk Codes 20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 40046-30-8 (3,5-DIMETHYLPHENYL ISOTHIOCYANATE)
  • Hazard Symbols R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.; R36/37/38:Irritating to eyes, respiratory system
  • Synonyms 3,5-Dimethylphenylisothiocyanate;3,5-Xylyl isothiocyanate;
  • PSA 44.45000
  • LogP 3.03770

Benzene,1-isothiocyanato-3,5-dimethyl- Specification

The CAS register number of Benzene,1-isothiocyanato-3,5-dimethyl- is 40046-30-8. It also can be called as 3,5-Dimethylphenyl isothiocyanate and the IUPAC name about this chemical is 1-isothiocyanato-3,5-dimethylbenzene. The molecular formula about this chemical is C9H9NS and the molecular weight is 163.24.

Physical properties about Benzene,1-isothiocyanato-3,5-dimethyl- are: (1)ACD/LogP: 4.16; (2)ACD/LogD (pH 5.5): 4.16; (3)ACD/LogD (pH 7.4): 4.16; (4)ACD/BCF (pH 5.5): 853.65; (5)ACD/BCF (pH 7.4): 853.65; (6)ACD/KOC (pH 5.5): 4363.26; (7)ACD/KOC (pH 7.4): 4363.26; (8)#H bond acceptors: 1; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 44.45Å2; (11)Index of Refraction: 1.554; (12)Molar Refractivity: 51.48 cm3; (13)Molar Volume: 160.4 cm3; (14)Polarizability: 20.4x10-24cm3; (15)Surface Tension: 31.6 dyne/cm; (16)Enthalpy of Vaporization: 50.01 kJ/mol; (17)Boiling Point: 282.2 °C at 760 mmHg; (18)Vapour Pressure: 0.00582 mmHg at 25°C.

Uses of Benzene,1-isothiocyanato-3,5-dimethyl-: it can be used to produce 1-(3,5-dimethyl-phenyl)-imidazolidine-2-thione with 2-amino-ethanol at heating. This reaction is a kind of Cyclization. It will need reagent NaOH and solvent ethanol, H2O with reaction time of 3 hours. The yield is about 50%.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. When you are 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: S=C=N/c1cc(cc(c1)C)C
(2)InChI: InChI=1/C9H9NS/c1-7-3-8(2)5-9(4-7)10-6-11/h3-5H,1-2H3
(3)InChIKey: DSMXCADWIFIJEX-UHFFFAOYAN
(4)Std. InChI: InChI=1S/C9H9NS/c1-7-3-8(2)5-9(4-7)10-6-11/h3-5H,1-2H3
(5)Std. InChIKey: DSMXCADWIFIJEX-UHFFFAOYSA-N

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