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蒸汽密度
1.03 (vs air)
品質等級
蒸汽壓力
52 mmHg ( 37 °C)
自燃溫度
572 °F
品質
meets analytical specification of USP
包含
9.0-15.0% methanol as stabilizer (GC)
濃度
≥34.5 wt. %
25-50%
雜質
acidic reac. substances, complies
residual solvents, complies
燃燒殘留物
≤0.01% (as SO4)
密度
1.09 g/mL at 25 °C (lit.)
適合性
corresponds for identity
SMILES 字串
[H]C([H])=O
InChI
1S/CH2O/c1-2/h1H2
InChI 密鑰
WSFSSNUMVMOOMR-UHFFFAOYSA-N
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一般說明
市场上销售的甲醛溶液是含有37%甲醛和8-10%甲醇的水溶液。通过加入催化量的镧系元素三氟甲磺酸酯,可以活化甲醛溶液。这种活化的甲醛溶液被用于与硅烯醇醚发生平稳的羟甲基化反应。甲醛溶液与硅烯醇醚反应,以高产率获得相应的羟甲基化加合物。
應用
甲醛溶液被用于制备甲醛储液,以便开发包容灵敏性和选择性试剂的透明溶胶凝胶,用于检测空气中甲醛。它可用于制备具有不同形状和不同粒径的纳米晶金属(Cu,Hg,Zn,Bi,Pb)硫化物。
其他說明
货号15512-4X2.5L-R的产品即将停产。请订购15512-2.5L-R单瓶装,因为其具体参数与上述产品本质相同。
货号15512-6X1L-R的产品即将停产。请订购15512-1L-R单瓶装,因为其具体参数与上述产品本质相同。
货号15512-6X1L-R的产品即将停产。请订购15512-1L-R单瓶装,因为其具体参数与上述产品本质相同。
訊號詞
Danger
危險分類
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 1 - STOT SE 3
標靶器官
Eyes,Central nervous system, Respiratory system
儲存類別代碼
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類(WGK)
WGK 3
閃點(°F)
143.6 °F - closed cup
閃點(°C)
62 °C - closed cup
Lanthanide triflates as water-tolerant Lewis acids. Activation of commercial formaldehyde solution and use in the aldol reaction of silyl enol ethers with aldehydes in aqueous media.
Kobayashi S and Hachiya I.
The Journal of Organic Chemistry, 59(13), 3590-3596 (1994)
Lanthanide Trifluoromethanesulfonates as Stable Lewis Acids in Aqueous Media. Yb (OTf)3 Catalyzed Hydroxymethylation Reaction of Silyl Enol Ethers with Commercial Formaldehyde Solution.
Kobayashi S.
Chemistry Letters (Jpn), 12, 2187-2190 (1991)
Microwave synthesis of nanocrystalline metal sulfides in formaldehyde solution.
Liao X-H, et al.
Materials Science and Engineering, B, 85(1), 85-89 (2001)
Opas Bunkoed et al.
Analytica chimica acta, 659(1-2), 251-257 (2010-01-28)
We report the development of transparent sol-gels with entrapped sensitive and selective reagents for the detection of formaldehyde. The sampling method is based on the adsorption of formaldehyde from the air and reaction with beta-diketones (for example acetylacetone) in a
James Larkin et al.
The New England journal of medicine, 373(1), 23-34 (2015-06-02)
Nivolumab (a programmed death 1 [PD-1] checkpoint inhibitor) and ipilimumab (a cytotoxic T-lymphocyte-associated antigen 4 [CTLA-4] checkpoint inhibitor) have been shown to have complementary activity in metastatic melanoma. In this randomized, double-blind, phase 3 study, nivolumab alone or nivolumab plus
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