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二甲氧基甲烷
规格或纯度:
用于格氏反应,≥99.0%(GC)
- CAS编号: 109-87-5
- 分子式: C3H8O2
- 分子量: 76.1
- Beilstein号: 1697025
- EC号: 203-714-2
- MDL号: MFCD00008495
- PubChem编号: 8020
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基本描述
| 规格或纯度 | 用于格氏反应,≥99.0%(GC) |
|---|---|
| 英文名称 | Dimethoxy methane |
| 别名 | 甲缩醛 |
| 英文别名 | Formaldehyde dimethyl acetal; Methylal; Dimethylformal Formal Methylene Glycol Dimethyl Ether |
| 应用 | 主要用于生产阴离子效换树脂，也作溶剂和特种燃料。 |
| 储存温度 | 2-8°C储存,充氩,干燥 |
| 运输条件 | 冰袋运输 |
| 产品介绍 |
有氯仿气味和刺激味。水中溶解度:32.3 G/100 ML (16°C)，和醇、醚、油、烃混溶，和大多数常规有机溶剂混溶；极易溶于丙酮和苯。主要用于生产阴离子效换树脂，也作溶剂和特种燃料。 |
名称和标识符
| EC号 | 203-714-2 |
|---|---|
| IUPAC Name | dimethoxymethane |
| INCHI | InChI=1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3 |
| InChi Key | NKDDWNXOKDWJAK-UHFFFAOYSA-N |
| Canonical SMILES | COCOC |
| 分子式 |
C3H8O2 |
| UN Number | 1234 |
| PubChem CID | 8020 |
| Class | 3 |
| Packing Group | II |
| Beilstein号 | 1697025 |
| 分子量 | 76.1 |
化学和物理性质
| 溶解性 | 微溶于水，可混溶于乙醇、乙醚等多数有机溶剂。 |
|---|---|
| 密度 | 0.87 |
| 敏感性 | 对湿度敏感 |
| 沸点 | 42°C |
| 熔点 | ?105 °C (lit.) |
| 折光率 | 1.354 |
| 闪点(℉) | -0.4 °F - closed cup |
| 闪点(℃) | -32 °C |
安全信息
| 一般危化品 | 一般危化品 |
|---|---|
| 象形图 |
Harmful 
Flammable |
| 信号词 | Danger |
| 危险声明 |
H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation H225: Highly Flammable liquid and vapor |
| 预防措施声明 | P261,P305+P351+P338,P280,P370+P378,P210,P302+P352,P321,P405,P501,P233,P240,P264,P403+P235,P303+P361+P353,P271,P241,P304+P340,P403+P233,P362+P364,P242,P243,P264+P265,P337+P317,P332+P317,P319 |
| WGK Germany | 1 |
| RTECS | PA8750000 |
| Reaxy-Rn | 1697025 |
| Class | 3 |
| Merck Index | 6012 |
| 个人防护装备 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
参考文献
| 1. N P Zinov'eva, L S Kanunnikova. (1990-09-01) [Gas chromatographic determination of methylal in atmospheric air].. Gigiena i sanitariia, ((9)): (82-83). [PMID:2292421] |
| 2. V Venkatesan,K Sundararajan,K Sankaran,K S Viswanathan. (2002-03-22) Conformations of dimethoxymethane: matrix isolation infrared and ab initio studies.. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 58 ((3)): (467-478). [PMID:11905532] |
| 3. V Venkatesan,K Sundararajan,K S Viswanathan. (2003-04-26) Matrix isolation infrared and ab initio study of the conformations of 2,2-dimethoxypropane.. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 59 ((7)): (1497-1507). [PMID:12714073] |
| 4. F L WEAVER,A R HOUGH,B HIGHMAN,L T FAIRHALL. (1951-10-01) The toxicity of methylal.. British journal of industrial medicine, 8 ((4)): (279-283). [PMID:14878964] |
| 5. Jenn-Huei Lii,Kuo-Hsiang Chen,Glenn P Johnson,Alfred D French,Norman L Allinger. (2005-03-23) The external-anomeric torsional effect.. Carbohydrate research, 340 ((5)): (853-862). [PMID:15780251] |
| 6. Anthony Yoboué,Audrey Susset,Asma Tougerti,Daniel Gallego,Sudarsan Venkat Ramani,Malathi Kalyanikar,Dmitriy S Dolzhnikov,Sileshi G Wubshet,Yilun Wang,Sylvain Cristol,Valérie Briois,Camille La Fontaine,Régis M Gauvin,Jean-Fran?ois Paul,Elise Berrier. (2011-03-03) An easily accessible Re-based catalyst for the selective conversion of methanol: evidence for an unprecedented active site structure through combined operando techniques.. Chemical communications (Cambridge, England), 47 ((14)): (4285-4287). [PMID:21365084] |
| 7. Yuchuan Fu,Jianyi Shen. (2007-05-24) Selective oxidation of methanol to dimethoxymethane under mild conditions over V2O5/TiO2 with enhanced surface acidity.. Chemical communications (Cambridge, England), (21) ((21)): (2172-2174). [PMID:17520126] |
| 8. Ronald J Gillespie,Edward A Robinson,Julien Pilmé. (2010-02-26) Ligand close packing, molecular compactness, the methyl tilt, molecular conformations, and a new model for the anomeric effect.. Chemistry (Weinheim an der Bergstrasse, Germany), 16 ((12)): (3663-3675). [PMID:20183833] |
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