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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)
品質等級
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.)
SMILES 字串
[O-]#[C+H2]
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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