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About This Item
线性分子式:
HO(CH2O)nH
CAS号:
分子量:
30.03 (as monomer)
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22
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蒸汽密度
1.03 (vs air)
蒸汽壓力
<1.45 mmHg ( 25 °C)
化驗
95%
形狀
prilled
自燃溫度
572 °F
expl. lim.
73 %
mp
120-170 °C (lit.)
轉變溫度
sublimation point 150 °C
溶解度
alcohol and cold water: slightly soluble
ethers, hydrocarbons and carbon tetrachloride: insoluble
密度
0.88 g/mL at 25 °C (lit.)
InChI
1S/CH2O/c1-2/h1H2
InChI 密鑰
WSFSSNUMVMOOMR-UHFFFAOYSA-N
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一般說明
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。
應用
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。
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。
特點和優勢
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。
訊號詞
Danger
危險分類
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
標靶器官
Respiratory system
儲存類別代碼
4.1B - Flammable solid hazardous materials
水污染物質分類（WGK）
WGK 2
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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
José C J M D S Menezes et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(42), 13644-13655 (2014-08-30)
In view of increasing demands for efficient photosensitizers for photodynamic therapy (PDT), we herein report the synthesis and photophysical characterizations of new chlorin e6 trimethyl ester and protoporphyrin IX dimethyl ester dyads as free bases and Zn(II) complexes. The synthesis of these
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