4-METHOXYBENZENETHIOL

CAS No.：696-63-9

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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4-METHOXYBENZENETHIOL Basic information

Product Name:	4-METHOXYBENZENETHIOL
Synonyms:	4-METHOXYTHIOPHENOL;4-METHOXYBENZENE-1-THIOL;4-METHOXYBENZENETHIOL;4-MERCAPTOANISOLE;P-METHOXYBENZENETHIOL;Benzenethiol, p-methoxy-;para-Methoxybenzenethiol;p-Methoxy thiophenol
CAS:	696-63-9
MF:	C7H8OS
MW:	140.2
EINECS:	211-799-2
Product Categories:	Building Blocks;Chemical Synthesis;Phenol&Thiophenol&Mercaptan;Organic Building Blocks;Sulfur Compounds;Thiols/Mercaptans;Phenoles and thiophenoles;Miscellaneous
Mol File:	696-63-9.mol

4-METHOXYBENZENETHIOL Chemical Properties

Melting point	291.7-295.8 °C (decomp)
Boiling point	100-103 °C/13 mmHg (lit.)
density	1.14 g/mL at 25 °C (lit.)
refractive index	n20/D 1.5831(lit.)
Fp	205 °F
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	Not miscible or difficult to mix.
pka	6.76±0.10(Predicted)
form	Liquid
Specific Gravity	1.140
color	Clear colorless to light yellow
Sensitive	Stench
BRN	1446910
CAS DataBase Reference	696-63-9(CAS DataBase Reference)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	20/21/22-36/37/38-22
Safety Statements	26-36/37-37/39
RIDADR	UN 2810 6.1/PG 3
WGK Germany	3
RTECS	DC1800000
F	10-13-23
Hazard Note	Harmful/Stench
HazardClass	IRRITANT, STENCH
PackingGroup	III
HS Code	29309090

MSDS Information

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

4-METHOXYBENZENETHIOL Usage And Synthesis

Chemical Properties	Colorless light yellow liquid.
Uses	4-Methoxythiophenol is used in preparing samples for self-assembled monolayers (SAM?s) characterization and to study SAM?s effect on both n- and p-channel organic thin film transistors. It is also used in cesium fluoride-Celite catalyzed preparation of thioethers and thioesters.
Synthesis Reference(s)	The Journal of Organic Chemistry, 49, p. 2637, 1984 DOI: 10.1021/jo00188a028

4-METHOXYBENZENETHIOL Preparation Products And Raw materials

Raw materials	3-Methoxybenzenethiol
Preparation Products	1-METHOXY-4-(METHYLTHIO)BENZENE-->Difurfuryldisulfide

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