The Methyl mercaptan, with the CAS registry number 74-93-1, is also known as Thiomethanol. It belongs to the product category of API intermediates. Its EINECS number is 200-822-1. This chemical's molecular formula is CH₄S and molecular weight is 48.11. What's more, its systematic name is methanethiol. Its classification codes are: (1)Mutation data; (2)TSCA Flag T [Subject to the Section 4 test rule under TSCA]. It is an intermediate in the manufacturing of jet fuels, pesticides, fungicides, plastics, synthesis of methionine. Moreover, its odor may cause nausea. It is also used in the production of intermediates of methane sulfonyl chloride and methylthio propanol. It should be sealed and stored in a cool, ventilated and dry place. Moreover, it should be protected from oxides and fire.

Physical properties of Methyl mercaptan are: (1)ACD/LogP: 0.72; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.72; (4)ACD/LogD (pH 7.4): 0.72; (5)ACD/BCF (pH 5.5): 2.06; (6)ACD/BCF (pH 7.4): 2.06; (7)ACD/KOC (pH 5.5): 58.46; (8)ACD/KOC (pH 7.4): 58.42; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 25.3 Å²; (13)Index of Refraction: 1.408; (14)Molar Refractivity: 14.57 cm³; (15)Molar Volume: 59 cm³; (16)Polarizability: 5.77×10^-24cm³; (17)Surface Tension: 19.2 dyne/cm; (18)Density: 0.814 g/cm³; (19)Enthalpy of Vaporization: 23.79 kJ/mol.

Preparation: this chemical can be prepared by 1-Aza-3-thia-1-cyan-2-piperidino-1-buten by heating. This reaction will need reagent 72% N₂H₄·H₂O and solvent ethanol. The yield is about 93%.

Uses of Methyl mercaptan: it can be used to produce 2-chloro-3-methylsulfanyl-propionic acid methyl ester at the ambient temperature. It will need reagent NaSCH₃ and solvent CH₂Cl₂ with the reaction time of 4 hours. The yield is about 87%.

When you are using this chemical, please be cautious about it as the following:
This chemical is extremely flammable, so you should keep it away from sources of ignition - No smoking. It is toxic by inhalation and is very toxic to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. When using it, you must avoid contact with eyes. This material and its container must be disposed of as hazardous waste. You must avoid releasing it to the environment just refering to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: SC
(2)Std. InChI: InChI=1S/CH4S/c1-2/h2H,1H3
(3)Std. InChIKey: LSDPWZHWYPCBBB-UHFFFAOYSA-N

The toxicity data is as follows: