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4-Mercaptophenol

CAS No.
637-89-8
Chemical Name:
4-Mercaptophenol
Synonyms
4-HYDROXYTHIOPHENOL;hydroxybenzenethiol;usafb-57;USAF B-57;4MERCAPTOPHENO;PARA-THIOPHENOL;P-MERCAPTOPHENOL;4-MERCAPTOPHENOL;4-Sulfanylphenol;Thiohydroquinone
CBNumber:
CB0365510
Molecular Formula:
C6H6OS
Molecular Weight:
126.18
MDL Number:
MFCD00004850
MOL File:
637-89-8.mol
MSDS File:
SDS
Last updated:2025-01-27 09:38:02

4-Mercaptophenol Properties

Melting point 33-35 °C(lit.)
Boiling point 149-150 °C25 mm Hg(lit.)
Density 1.255
refractive index 1.5101 (estimate)
Flash point >230 °F
solubility Chloroform (Slightly), Methanol (Slightly)
pka 6.82±0.10(Predicted)
form Liquid or Low Melting Solid
color Clear colorless to light yellow
Water Solubility soluble
Sensitive Air Sensitive
BRN 2039306
Stability Stability Air sensitive. Incompatible with oxidizing agents.
LogP 1.690 (est)
CAS DataBase Reference 637-89-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII TAL4TS4AC3
NIST Chemistry Reference 4-Mercaptophenol(637-89-8)
EPA Substance Registry System Phenol, 4-mercapto- (637-89-8)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi,C,Xn
Risk Statements  36/37/38-34-20/21/22
Safety Statements  26-36/37-45-36/37/39-36-7/9
RIDADR  2811
WGK Germany  3
RTECS  MX7175000
10-13-23
Hazard Note  Harmful/Irritant
HazardClass  AIR SENSITIVE, IRRITANT-HARMFUL, STENCH
HazardClass  8
PackingGroup  III
HS Code  29309090
NFPA 704
1
3 0

4-Mercaptophenol price More Price(29)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 275395 4-Mercaptophenol technical grade, 90% 637-89-8 5g $64.6 2022-05-15 Buy
Sigma-Aldrich 275395 4-Mercaptophenol technical grade, 90% 637-89-8 25g $298 2022-05-15 Buy
TCI Chemical H0662 4-Hydroxybenzenethiol >97.0%(GC)(T) 637-89-8 25g $148 2024-03-01 Buy
Alfa Aesar L04429 4-Hydroxythiophenol, 97% 637-89-8 5g $45.65 2024-03-01 Buy
Alfa Aesar L04429 4-Hydroxythiophenol, 97% 637-89-8 25g $148.65 2024-03-01 Buy
Product number Packaging Price Buy
275395 5g $64.6 Buy
275395 25g $298 Buy
H0662 25g $148 Buy
L04429 5g $45.65 Buy
L04429 25g $148.65 Buy

4-Mercaptophenol Chemical Properties,Uses,Production

Chemical Properties

Clear colorless to light yellow solid or liquid

Uses

4-Mercaptophenol was used as a resin monomer in the study of the different gold nanocrystal core-resin shell structures.

Uses

4-Mercaptophenol (MPH) has been used to study the adsorption of MPH on silver coated polystyrene nanospheres by time-dependent surface-enhanced Raman scattering (SERS) spectroscopy.
4-Mercaptophenol may be used in the preparation of silylated monomer, which was employed for the synthesis of hyperbranched poly(ester-imide). 4-Mercaptophenol (H-4MP) reacts with metal tert-butoxides ([M(OBut)4]) to yield the following Group 4 phenoxy-thiols:

  • [(HOBut)(4MP)3M(μ-4MP)]2, where M = Ti, Zr, Hf
  • [(py)2M(4MP)], where M = Ti, Zr; py = pyridine
  • [(py)(4MP)3Hf(μ-4MP)]2
4-Mercaptophenol may be used in the synthesis of the following:
  • poly(ethersulfide)s via silylation followed by polycondensation with 2,6-dichloropyridine or 3,6-dichloropyridazine
  • 2,6-di-tertiarybutyl-4-mercaptophenol via Friedel-Craft′s alkylation with tert-butyl chloride in presence of a lewis acid

General Description

The density function theory calculations were performed to infer the IR and Raman spectra for 4-mercaptophenol molecule.

108-95-2
637-89-8
Synthesis of 4-Mercaptophenol from Phenol
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View Lastest Price from 4-Mercaptophenol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Mercaptophenol pictures 2025-02-14 4-Mercaptophenol
637-89-8
US $0.00 / KG 1KG 99% 50000KG/month Hebei Mujin Biotechnology Co.,Ltd
4-Mercaptophenol pictures 2025-02-14 4-Mercaptophenol
637-89-8
US $0.00 / KG 1ASSAYS 99% 5000kg Hebei Mujin Biotechnology Co.,Ltd
4-Mercaptophenol pictures 2024-12-10 4-Mercaptophenol
637-89-8
US $0.00-0.00 / KG 1KG 99% 20 mt Hebei Weibang Biotechnology Co., Ltd
  • 4-Mercaptophenol pictures
  • 4-Mercaptophenol
    637-89-8
  • US $0.00-0.00 / KG
  • 99%
  • Hebei Weibang Biotechnology Co., Ltd
4-MERCAPTOPHENOL P-MERCAPTOPHENOL 4-Mercaptophenol, 99% 5GR 4-Sulfanylphenol Hydroquinone, monothio- monothio-hydroquinon Monothiohydroquinone Phenol, 4-mercapto- Phenol, p-mercapto- p-Hydroxythiophenol Thiohydroquinone USAF B-57 usafb-57 Hydroxythiophenol,94% 4-MERCAPTOPHENOL, TECH., 90% 4-HYDROXYTHIOPHENOL 99% PARA-THIOPHENOL PARA-MERCAPTOPHENOL p-hydroxyl thiophenol 4-HYDORXYTHIOPHENOL 4-Hydroxy thiophenol ,98% 4-Hydroxybenzene-1-thiol 4-Mercaptophenol,99% 4-Hydroxythiophenol,97% 4-Mercaptophenol,4-Hydroxythiophenol 4-Mercaptophenol, 4-Sulphanylphenol, 4-Hydroxyphenyl mercaptan, 4-Hydroxybenzenethiol 4MERCAPTOPHENO 4-Mercaptophenol technical grade, 90% 4-Mercaptophenol Vetec(TM) reagent grade, 89% 4-HYDROXYBENZENETHIOL 4-Hydroxybenzenethiol> 4-hydroxyphenylthiophenol TIANFUCHEM--637-89-8---4-Mercaptophenol 4-mercaptophenolate 4-HYDROXYTHIOPHENOL hydroxybenzenethiol 637-89-8 HSC6H4OH C6H6O1S1 Organic Building Blocks Thiols/Mercaptans Sulfur Compounds Building Blocks Building Blocks Chemical Synthesis Organic Building Blocks Sulfur Compounds Thiols/Mercaptans Phenol&Thiophenol&Mercaptan Phenoles and thiophenoles Miscellaneous