Product Name

  • Name

    4-METHOXYBENZENETHIOL

  • EINECS 211-799-2
  • CAS No. 696-63-9
  • Article Data88
  • CAS DataBase
  • Density 1.112 g/cm3
  • Solubility
  • Melting Point 291.7-295.8 °C (decomp)
  • Formula C7H8OS
  • Boiling Point 224.9 °C at 760 mmHg
  • Molecular Weight 140.206
  • Flash Point 89.8 °C
  • Transport Information UN 2810 6.1/PG 3
  • Appearance Colorless light yellow liquid
  • Safety 26-37/39
  • Risk Codes 36/37/38-22
  • Molecular Structure Molecular Structure of 696-63-9 (4-METHOXYBENZENETHIOL)
  • Hazard Symbols HarmfulXn
  • Synonyms Benzenethiol,p-methoxy- (6CI,7CI,8CI);4-Mercaptoanisole;4-Methoxybenzenethiol;4-Methoxyphenyl mercaptan;4-Methoxyphenylthiol;p-Mercaptoanisole;p-Methoxybenzenethiol;p-Methoxyphenyl mercaptan;p-Methoxyphenylthiol;p-Methoxythiophenol;
  • PSA 48.03000
  • LogP 1.98390

4-Methoxythiophenol Chemical Properties

Molecular Structure of 4-Methoxythiophenol (CAS NO.696-63-9):

IUPAC Name: 4-methoxybenzenethiol 
Empirical Formula: C7H8OS
Molecular Weight: 140.2028
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 34.53Å2
Index of Refraction: 1.565
Molar Refractivity: 41.1 cm3
Molar Volume: 126 cm3
Surface Tension: 37.7 dyne/cm
Density: 1.112 g/cm3
Flash Point: 89.8 °C
Enthalpy of Vaporization: 44.27 kJ/mol
Boiling Point: 224.9 °C at 760 mmHg
Vapour Pressure: 0.133 mmHg at 25°C
EINECS: 211-799-2
Sensitive: Stench
BRN: 1446910
Product Categories: Phenol&Thiophenol&Mercaptan; Phenoles and thiophenoles; Miscellaneous
InChI
InChI=1/C7H8OS/c1-8-6-2-4-7(9)5-3-6/h2-5,9H,1H3
Smiles
c1(ccc(S)cc1)OC

4-Methoxythiophenol Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#04701,

4-Methoxythiophenol Safety Profile

Hazard Codes: HarmfulXn,IrritantXi
Risk Statements: 20/21/22-36/37/38-22
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R22:Harmful if swallowed.
Safety Statements: 26-36/37-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37:Wear suitable protective clothing and gloves. 
S37/39:Wear suitable gloves and eye/face protection.
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 3
RTECS: DC1800000
F: 10-13-23
Hazard Note: Harmful/Stench
HazardClass: Harmful/Stench

4-Methoxythiophenol Specification

  4-Methoxythiophenol , with CAS number of 696-63-9, can be called Benzenethiol,p-methoxy- (6CI,7CI,8CI) ; 4-Mercaptoanisole ; 4-Methoxyphenyl mercaptan ; p-Mercaptoanisole ; p-Methoxybenzenethiol ; p-Methoxyphenyl mercaptan ; p-Methoxyphenylthiol ; p-Methoxythiophenol . It is a colorless light yellow liquid.

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