Merck
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15512

Sigma-Aldrich

甲醛 溶液

meets analytical specification of USP, ≥34.5 wt. %

Synonym(s):
福尔马林
Linear Formula:
HCHO
CAS Number:
Molecular Weight:
30.03
Beilstein:
1209228
MDL编号:
eCl@ss:
39021101
PubChem化学物质编号:
NACRES:
NA.21

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 string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

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Formaldehyde solution meets analytical specification of USP, ≥34.5 wt. %

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甲醛 溶液

Formaldehyde solution ACS reagent, 37 wt. % in H2O, contains 10-15% Methanol as stabilizer (to prevent polymerization)

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Formaldehyde solution stabilized with methanol, ~37 wt. % in H2O, certified reference material

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甲醛 溶液

density

1.09 g/mL at 25 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

vapor density

1.03 (vs air)

vapor density

1.03 (vs air)

vapor density

1.03 (vs air)

vapor density

1.03 (vs air)

vapor pressure

52 mmHg ( 37 °C)

vapor pressure

52 mmHg ( 37 °C)

vapor pressure

52 mmHg ( 37 °C)

vapor pressure

52 mmHg ( 37 °C)

autoignition temp.

572 °F

autoignition temp.

572 °F

autoignition temp.

572 °F

autoignition temp.

572 °F

quality

meets analytical specification of USP

quality

-

quality

-

quality

-

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。

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

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

闪点(C)

62 °C

Certificate of Analysis

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Certificate of Origin

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