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About This Item
线性分子式:
HCHO
CAS号:
分子量:
30.03
Beilstein:
1209228
MDL编号:
UNSPSC代码:
12352114
eCl@ss:
39021101
PubChem化学物质编号:
NACRES:
NA.21
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蒸汽密度
1.03 (vs air)
质量水平
蒸汽压
52 mmHg ( 37 °C)
自燃温度
572 °F
质量
meets analytical specification of USP
包含
9.0-15.0% methanol as stabilizer (GC)
浓度
≥34.5 wt. %
25-50%
杂质
acidic reac. substances, complies
residual solvents, complies
灼烧残渣
≤0.01% (as SO4)
密度
1.09 g/mL at 25 °C (lit.)
适用性
corresponds for identity
SMILES字符串
[H]C([H])=O
InChI
1S/CH2O/c1-2/h1H2
InChI key
WSFSSNUMVMOOMR-UHFFFAOYSA-N
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一般描述
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。
应用
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。
其他说明
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。
警示用语：
Danger
危险分类
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
靶器官
Eyes,Central nervous system, Respiratory system
储存分类代码
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
闪点(°F)
143.6 °F - closed cup
闪点(°C)
62 °C - closed cup
法规信息
危险化学品
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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