4-Mercaptophenol Structure

4-Mercaptophenol

Chemical 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)
form  Liquid or Low Melting Solid
pka 6.82±0.10(Predicted)
color  Clear colorless to light yellow
Water Solubility  soluble
Sensitive  Air Sensitive
BRN  2039306
Stability Stability Air sensitive. Incompatible with oxidizing agents.
InChI 1S/C6H6OS/c7-5-1-3-6(8)4-2-5/h1-4,7-8H
InChIKey BXAVKNRWVKUTLY-UHFFFAOYSA-N
SMILES Oc1ccc(S)cc1
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

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
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
F  10-13-23
Hazard Note  Harmful/Irritant
HazardClass  AIR SENSITIVE, IRRITANT-HARMFUL, STENCH
HazardClass  8
PackingGroup  III
HS Code  29309090
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704:
1
3 0

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