A5352012
                    3-Methyl-1-butanethiol , 97% , 541-31-1
                            Synonym(s):
Isoamyl mercaptan
                            
                        
                CAS NO.:541-31-1
Empirical Formula: C5H12S
Molecular Weight: 104.21
MDL number: MFCD00004899
EINECS: 208-774-3
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | -133.51°C | 
                                    
| Boiling point: | 120 °C | 
                                    
| Density | 0.835 g/mL at 25 °C(lit.) | 
                                    
| vapor pressure | 41.4 mm Hg ( 37.7 °C) | 
                                    
| FEMA | 3858 | 3-METHYLBUTANETHIOL | 
                                    
| refractive index | n | 
                                    
| Flash point: | 65 °F | 
                                    
| storage temp. | Flammables area | 
                                    
| solubility | soluble in Chloroform | 
                                    
| pka | 10.41±0.10(Predicted) | 
                                    
| form | Liquid | 
                                    
| color | Clear colorless to slightly yellow | 
                                    
| Odor | at 0.10 % in propylene glycol. sulfurous onion green onion garlic | 
                                    
| Odor Type | sulfurous | 
                                    
| biological source | synthetic | 
                                    
| Odor Threshold | 0.00000077ppm | 
                                    
| Sensitive | Air Sensitive | 
                                    
| JECFA Number | 513 | 
                                    
| BRN | 635659 | 
                                    
| LogP | 2.67 | 
                                    
| CAS DataBase Reference | 541-31-1(CAS DataBase Reference) | 
                                    
| NIST Chemistry Reference | 1-Butanethiol, 3-methyl-(541-31-1) | 
                                    
| EPA Substance Registry System | 1-Butanethiol, 3-methyl- (541-31-1) | 
                                    
Description and Uses
3-Methyl-1-butanethiol, is a versatile organic building block in the synthesis of sulfur containnig pharmaceutical compounds. It is used in the synthesis of some poly(alkylene glycol dithiophosphates) with functional groups in the S-alkyl radical, possessing long-lasting anthelminthic and antibacterial properties. It is also shown to be one of the flavor components from beef, pork, and chicken
Safety
| Symbol(GHS) | ![]() ![]() GHS02,GHS07  | 
                                    
| Signal word | Danger | 
| Hazard statements | H225-H315-H319-H335 | 
| Precautionary statements | P210-P302+P352-P305+P351+P338 | 
| Hazard Codes | F,Xi,Xn | 
| Risk Statements | 11-36/37/38-20/21/22 | 
| Safety Statements | 16-26-36-36/37/39 | 
| RIDADR | UN 1228 3/PG 2 | 
| WGK Germany | 3 | 
| TSCA | Yes | 
| HazardClass | 3 | 
| PackingGroup | II | 
| HS Code | 29309090 | 
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | 





