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60-24-2

Basic Information
CAS No.: 60-24-2
Name: Ethanol, 2-mercapto-
Molecular Structure:
Molecular Structure of 60-24-2 (Ethanol, 2-mercapto-)
Formula: C2H6OS
Molecular Weight: 78.13
Synonyms: 1-Hydroxy-2-mercaptoethane;1-Mercapto-2-hydroxyethane;2-Hydroxy-1-ethanethiol;2-Hydroxyethanethiol;2-Hydroxyethyl mercaptan;2-Mercapto-1-ethanol;2-Mercaptoethanol;2-Mercaptoethyl alcohol;2-Sulfanylethanol;Ethylene glycol, monothio-;Hydroxyethyl mercaptan;Mercaptoethanol;Monothioethylene glycol;Monothioglycol;NSC 3723;Thioethylene glycol;Thiomonoglycol;b-Hydroxyethanethiol;b-Hydroxyethylmercaptan;b-Mercaptoethanol;
EINECS: 200-464-6
Density: 1.069 g/cm3
Melting Point: -100 °C
Boiling Point: 156.999 °C at 760 mmHg
Flash Point: 73.889 °C
Solubility: Miscible with water, ethanol, ether and benzene
Appearance: Clear colorless liquid
Hazard Symbols: ToxicT, DangerousN
Risk Codes: 20/22-24-34-51/53-36/37/38-22-23/24/25
Safety: 26-36/37/39-45-61-29-23-27
Transport Information: UN 2966 6.1/PG 2
PSA: 59.03000
LogP: -0.09150
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Specification

The 2-Mercaptoethanol with CAS registry number of 60-24-2 is also known as Ethanol, 2-mercapto-. The IUPAC name is 2-Sulfanylethanol. It belongs to product categories of Industrial/Fine Chemicals; Antioxidant; Biochemistry; Reagents for Electrophoresis. Its EINECS registry number is 200-464-6. In addition, the formula is C2H6OS and the molecular weight is 78.13. This chemical is a clear colorless liquid and should be sealed in cool ang dry place without light.

Physical properties about 2-Mercaptoethanol are: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 17.859; (4)ACD/KOC (pH 7.4): 17.782; (5)#H bond acceptors: 1; (6)#H bond donors: 1; (7)#Freely Rotating Bonds: 3; (8)Index of Refraction: 1.479; (9)Molar Refractivity: 20.746 cm3; (10)Molar Volume: 73.103 cm3; (11)Surface Tension: 37.013 dyne/cm; (12)Density: 1.069 g/cm3; (13)Flash Point: 73.889 °C; (14)Enthalpy of Vaporization: 45.853 kJ/mol; (15)Boiling Point: 156.999 °C at 760 mmHg; (16)Vapour Pressure: 1.011 mmHg at 25 °C.

Preparation of 2-Mercaptoethanol: it is prepared by reaction of ethylene oxide and hydrogen sulfide with the molar ratio of 1:3.5. The reaction occurs with catalyst strong alkaline anionic exchange resin at the temperature of 40 °C.

2-Mercaptoethanol is prepared by reaction of hydrogen sulfide with ethylene oxide.

Uses of 2-Mercaptoethanol: it is used to make some proteins be denatured via its ability to cleave disulfide bonds. Besides, it is used in some RNA isolation procedures to eliminate ribonuclease released during cell lysis.

2-Mercaptoethanol is used to make some proteins be denatured via its ability to cleave disulfide bonds.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes, respiratory system and skin. What's more, it is toxic by inhalation, in contact with skin and if swallowed. It is toxic to aquatic organisms that may cause long-term adverse effects in the aquatic environment. It also may cause burns. During using it, wear suitable protective clothing, gloves and eye/face protection. Do not breathe gas/fumes/vapour/spray and do not empty into drains. It's necessary to avoid release to the environment. After using it, take off immediately all contaminated clothing. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C(CS)O
2. InChI: InChI=1S/C2H6OS/c3-1-2-4/h3-4H,1-2H2
3. InChIKey: DGVVWUTYPXICAM-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin 300uL/kg (0.3mL/kg)   Journal of Industrial Hygiene and Toxicology. Vol. 26, Pg. 269, 1944.
mouse LC50 inhalation 13200mg/m3 (13200mg/m3) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 15(2), Pg. 56, 1971.
mouse LD50 intraperitoneal 200mg/kg (200mg/kg)   National Technical Information Service. Vol. AD277-689,
mouse LD50 oral 190mg/kg (190mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 15(2), Pg. 56, 1971.
mouse LD50 unreported 480mg/kg (480mg/kg) BEHAVIORAL: TREMOR

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Journal of Pharmaceutical Sciences. Vol. 62, Pg. 237, 1973.
rabbit LD50 skin 150uL/kg (0.15mL/kg)   Union Carbide Data Sheet. Vol. 3/23/1973,
rat LCLo inhalation 250ppm/8H (250ppm)   Union Carbide Data Sheet. Vol. 3/23/1973,
rat LD50 oral 244mg/kg (244mg/kg) BEHAVIORAL: EXCITEMENT

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 15(2), Pg. 56, 1971

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