274380
二甲基硫醚
anhydrous, ≥99.0%
别名:
DMS, 甲硫醚
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线性分子式:
(CH3)2S
化学文摘社编号:
分子量:
62.13
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-846-2
Beilstein/REAXYS Number:
1696847
MDL number:
Assay:
≥99.0%
Grade:
anhydrous
Bp:
38 °C (lit.)
Vapor pressure:
26.24 psi ( 55 °C), 7.79 psi ( 20 °C)
grade
anhydrous
Quality Segment
vapor density
2.1 (vs air)
vapor pressure
26.24 psi ( 55 °C), 7.79 psi ( 20 °C)
assay
≥99.0%
form
liquid
autoignition temp.
402 °F
expl. lim.
19.7 %
impurities
<0.003% water, <0.005% water (100 mL pkg)
evapn. residue
<0.0005%
refractive index
n
bp
38 °C (lit.)
mp
−98 °C (lit.)
solubility
H2O: soluble 7.28 g/L at 20 °C
density
0.846 g/mL at 25 °C (lit.)
SMILES string
CSC
InChI
1S/C2H6S/c1-3-2/h1-2H3
InChI key
QMMFVYPAHWMCMS-UHFFFAOYSA-N
Gene Information
rat ... Maoa(29253), Maob(25750)
General description
Our anhydrous solvents deliver exceptionally low water content, making them the ideal choice for moisture-sensitive laboratory applications. Packaged in the exclusive Sure/Seal™ septum bottle system, they are reliably protected against moisture ingress from first use to last drop. The innovative Sure/Seal™ closure combines an advanced plug-style liner with an airtight elastomer and crimp cap design to ensure consistent product integrity. Three unique liner materials provide optimal chemical compatibility across a broad range of solvents. Sure/Seal™ packaging is proven to maintain anhydrous conditions even after repeated punctures. With more than 70 products across all major solvent families, available in pack sizes from 100 mL to 2 L, the portfolio meets virtually every laboratory need. By choosing ready-to-use anhydrous solvents in Sure/Seal™ packaging, researchers eliminate the need for time-consuming and hazardous in-house solvent drying and distillation - saving time, reducing risk, and improving reproducibility.
Application
Anhydrous solvents in Sure/Seal™ packaging are essential wherever water contamination would compromise experimental results. They are widely used in moisture-sensitive applications such as organic synthesis - including Grignard reactions, organometallic chemistry, and catalysis - as well as in peptide, oligonucleotide, and pharmaceutical synthesis.
Legal Information
Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
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警示词
Danger
危险代码
Hazard Classifications
Flam. Liq. 2
存储类别
3 - Flammable liquids
怎么回事？
WGK 1
闪点 (F)
-32.8 °F - closed cup
闪点 (°C)
-36 °C - closed cup
PPE（个人防护设备）
Eyeshields, Faceshields, Gloves