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Cas Database |
| Name |
2-Mercaptophenol |
EINECS | 214-326-8 |
| CAS No. | 1121-24-0 | Density | 1.255 g/cm3 |
| PSA | 59.03000 | LogP | 1.68090 |
| Solubility | N/A | Melting Point |
20 °C |
| Formula | C6H6OS | Boiling Point | 223.7 °C at 760 mmHg |
| Molecular Weight | 126.179 | Flash Point | 89.1 °C |
| Transport Information | UN 2810 | Appearance | Clear pale green to yellow liquid |
| Safety | 23-36/37/39-45-26-36-7/9 | Risk Codes | 36/37/38-34-25-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn,  T,  Xi
|
| Synonyms |
Phenol,o-mercapto- (6CI,7CI,8CI);2-Hydroxybenzenethiol;2-Hydroxythiophenol;2-Sulfanylphenol;o-Hydroxybenzenethiol;o-Hydroxythiophenol;o-Mercaptophenol; |
Article Data | 36 |
2-Mercaptophenol Chemical Properties
Molecular Structure:
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Molecular Formula: C6H6OS
Molecular Weight: 126.1762
IUPAC Name: 2-Sulfanylphenol
Synonyms of Phenol, 2-mercapto- (CAS NO.1121-24-0): 2-Hydroxybenzenothiol ; 2-Hydroxythiophenol ; 2-Mercaptophenol ; 2-Sulfanylphenol ; EINECS 214-326-8 ; o-Hydroxybenzenothiol ; o-Hydroxythiophenol ; o-Mercaptophenol ; Phenol, o-mercapto- (6CI,7CI,8CI)
CAS NO: 1121-24-0
Classification Code: Phenol&Thiophenol&Mercaptan ; Phenoles and thiophenoles
Melting point: 20 °C
Index of Refraction: 1.642
Molar Refractivity: 36.3 cm3
Molar Volume: 100.4 cm3
Surface Tension: 52.7 dyne/cm
Density: 1.255 g/cm3
Flash Point: 89.1 °C
Enthalpy of Vaporization: 47.89 kJ/mol
Boiling Point: 223.7 °C at 760 mmHg
Vapour Pressure: 0.0636 mmHg at 25°C
2-Mercaptophenol Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | 178mg/kg (178mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | National Technical Information Service. Vol. OTS0537007, |
2-Mercaptophenol Safety Profile
Hazard Codes of Phenol, 2-mercapto- (CAS NO.1121-24-0): 
Xi,
T,
Xn
Risk Statements: 36/37/38-34-25-20/21/22
R36/37/38: Irritating to eyes, respiratory system and skin.
R34: Causes burns.
R25: Toxic if swallowed.
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 23-36/37/39-45-26-7/9
S23: Do not breathe vapour.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S7: Keep container tightly closed.
S9: Keep container in a well-ventilated place.
RIDADR: 2810
RTECS: SL7375000
Hazard Note: Harmful/Irritant
HazardClass: 6.1
PackingGroup: II
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