China (Mainland)
reliable quality Bis(methylthio)methane CAS NO.1618-26-4
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- Min.Order: 1 Kilogram
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High quality(1-25)Kilogram
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Quick Details
- ProName: reliable quality Bis(methylthio)meth...
- CasNo: 1618-26-4
- Molecular Formula: C3H8S2
- Appearance: according to email quotation
- Application: pharmaceutical raw materials
- DeliveryTime: Within 3 days after payment
- PackAge: foil aluminium bag/vacuum packing
- Port: Shanghai
- ProductionCapacity: 100 Kilogram/Week
- Purity: 99%
- Storage: Keep in dry and cool condition
- Transportation: by air or by sea
- LimitNum: 1 Kilogram
- CAS No.: 1618-26-4
- Synonyms: 2,4-DITHIAPENTANE
- Formula: C3H8S2
- Molecular Weight: 108.23
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Details
| Product Name: | Bis(methylthio)methane |
| Synonyms: | 2,4-DITHIAPENTANE;FEMA 3878;FORMALDEHYDE DIMETHYL MERCAPTAL;DIMETHYLTHIOMETHANE;BIS(METHYLMERCAPTO)METHANE;BIS(METHYLTHIO)METHANE;METHYLENEBIS(METHYL SULFIDE);Bis(methylsulfanyl)methane |
| CAS: | 1618-26-4 |
| MF: | C3H8S2 |
| MW: | 108.23 |
| EINECS: | 216-577-9 |
| Product Categories: | -;Industrial/Fine Chemicals;sulfide Flavor;Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfides/Disulfides;Sulfur Compounds |
| Mol File: | 1618-26-4.mol |
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| Bis(methylthio)methane Chemical Properties |
| Melting point | 148 °C |
| Boiling point | 147 °C(lit.) |
| density | 1.059 g/mL at 25 °C(lit.) |
| refractive index |
n |
| FEMA | 3878 | BIS-(METHYLTHIO)METHANE |
| Fp | 111 °F |
| storage temp. | Flammables area |
| solubility | IMMISCIBLE |
| form | neat |
| Specific Gravity | 1.059 |
| color | APHA: ≤100 |
| Water Solubility | IMMISCIBLE |
| Merck | 14,1256 |
| JECFA Number | 533 |
| BRN | 1731143 |
| CAS DataBase Reference | 1618-26-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,4-Dithiapentane(1618-26-4) |
| EPA Substance Registry System | Methane, bis(methylthio)-(1618-26-4) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 16-26-36/37/39 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| F | 13 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29309070 |
| MSDS Information |
| Provider | Language |
|---|---|
| 2,4-Dithiapentane | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Bis(methylthio)methane Usage And Synthesis |
| Chemical Properties | CLEAR COLOURLESS TO PALE YELLOW LIQUID |
| Chemical Properties | bis-(Methylthio)methane has a mustard-like odor. |
| Occurrence | Reported found in Camembert and Gruyere cheeses, milk, fish oil, cooked and canned beef, shitake mushroom, truffle, prawn and lobster. |
| Purification Methods | Work in an efficient fume cupboard as the substance may contain traces (or more) of methylmercaptan which has a very bad odour. Dissolve the mercaptal in Et2O, shake it with aqueous alkalis then dry it over anhydrous K2CO3, filter and distil it over K2CO3 under a stream of N2. If the odour is very strong, then allow all gas efluents to bubble through 5% aqueous NaOH solution which is then treated with dilute KMnO4 in order to oxidise MeSH to odourless products. UV: max 238 nm (log 2.73) [Fehnel & Carmack J Am Chem Soc 71 90 1949, Fehér & Vogelbruch Chem Ber 91 996 1958, B.hme & Marz Chem Ber 74 1672 1941]. Oxidation with aqueous KMnO4 yields bis-(methylsulfonyl)methane which has m 142-143o [Fiecchi et al. Tetrahedron Lett 1681 1967]. [Beilstein 1 IV 3088.] |
| Bis(methylthio)methane Preparation Products And Raw materials |
| Preparation Products | Methyl 2-(methylamino)benzoate |