441244
多聚甲醛
prilled, 95%
别名:
聚氧亚甲基
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关于此项目
线性分子式:
HO(CH2O)nH
化学文摘社编号:
分子量:
30.03 (as monomer)
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
MDL number:
Assay:
95%
Form:
prilled
vapor density
1.03 (vs air)
Quality Level
vapor pressure
<1.45 mmHg ( 25 °C)
assay
95%
form
prilled
autoignition temp.
572 °F
expl. lim.
73 %
mp
120-170 °C (lit.)
transition temp
sublimation point 150 °C
solubility
alcohol and cold water: slightly soluble, ethers, hydrocarbons and carbon tetrachloride: insoluble
density
0.88 g/mL at 25 °C (lit.)
SMILES string
[O-]#[C+H2]
InChI
1S/CH2O/c1-2/h1H2
InChI key
WSFSSNUMVMOOMR-UHFFFAOYSA-N
General description
多聚甲醛是甲醛的聚合产物，用于合成热固性聚合物的聚酯反应。
多聚甲醛也称聚甲醛。它在钌催化剂存在下可参与二烯、炔烃和丙二烯的区域选择性还原偶联反应。它还通过烯烃的烷氧基羰基化反应参与酯的合成。
多聚甲醛也称聚甲醛。它在钌催化剂存在下可参与二烯、炔烃和丙二烯的区域选择性还原偶联反应。它还通过烯烃的烷氧基羰基化反应参与酯的合成。
Application
甲醛可制备苯酚-、脲-、糠醇-、间苯二酚-和三聚氰胺-甲醛聚合物，用于涂料、木制品、纺织品和铸造用树脂。
多聚甲醛可用于制备偶氮甲碱叶立德、α-亚甲基色烷、α-亚甲基喹啉和邻醌甲基化物。
Features and Benefits
提供无甲醇的甲醛。
在热水中降解成甲醛。
在热水中降解成甲醛。
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Danger
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Eye Dam. 1 - Flam. Sol. 2 - Muta. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
4.1B - Flammable solid hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
危险化学品
此项目有
Ruthenium-Catalyzed Alkoxycarbonylation of Alkenes with Paraformaldehyde as a Carbon Monoxide Substitute.
Liu Q, et al.
ChemCatChem, 6(10), 2805-2809 (2014)
Brannon Sam et al.
Angewandte Chemie (International ed. in English), 54(11), 3267-3274 (2014-11-29)
Ruthenium-catalyzed reductive couplings of paraformaldehyde with dienes, alkynes, and allenes provide access to products of hydrohydroxymethylation that cannot be formed selectively under the conditions of hydroformylation. In certain cases, the regioselectivity of the CC coupling can be inverted by using
J Justin Mulvey et al.
International journal of nanomedicine, 9, 4245-4255 (2014-09-18)
We aimed to create a more robust and more accessible standard for amine-modifying single-walled carbon nanotubes (SWCNTs). A 1,3-cycloaddition was developed using an azomethine ylide, generated by reacting paraformaldehyde and a side-chain-Boc (tert-Butyloxycarbonyl)-protected, lysine-derived alpha-amino acid, H-Lys(Boc)-OH, with purified SWCNT
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 441244-1KG | 04061835052332 |
| 441244-3KG | 04061832281896 |