281662
二甘醇二甲醚
anhydrous, 99.5%
别名:
2-甲氧基乙醚, ‘二甘醇’, 二甲基二甘醇, 双(2-甲氧基乙基)醚
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线性分子式:
(CH3OCH2CH2)2O
化学文摘社编号:
分子量:
134.17
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-924-4
Beilstein/REAXYS Number:
1736101
MDL number:
Assay:
99.5%
Grade:
anhydrous
Bp:
162 °C (lit.)
Vapor pressure:
3 mmHg ( 20 °C)
grade
anhydrous
Quality Segment
vapor density
4.6 (vs air)
vapor pressure
3 mmHg ( 20 °C)
assay
99.5%
form
liquid
autoignition temp.
370 °F
expl. lim.
17.4 %
impurities
<0.005% water
evapn. residue
<0.0005%
refractive index
n
pH
7 (20 °C)
bp
162 °C (lit.)
mp
−64 °C (lit.)
density
0.944 g/mL at 20 °C (lit.), 0.939 g/mL at 25 °C (lit.)
SMILES string
COCCOCCOC
InChI
1S/C6H14O3/c1-7-3-5-9-6-4-8-2/h3-6H2,1-2H3
InChI key
SBZXBUIDTXKZTM-UHFFFAOYSA-N
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. 3 - Repr. 1B
supp_hazards
存储类别
3 - Flammable liquids
怎么回事？
WGK 1
闪点 (F)
134.6 °F - closed cup
闪点 (°C)
57 °C - closed cup
PPE（个人防护设备）
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter