跳轉至內容
Merck
全部照片(1)

重要文件

15512

Sigma-Aldrich

甲醛 溶液

meets analytical specification of USP, ≥34.5 wt. %

同義詞:

福尔马林

登入查看組織和合約定價


About This Item

線性公式:
HCHO
CAS號碼:
分子量::
30.03
Beilstein:
1209228
MDL號碼:
分類程式碼代碼:
12352114
eCl@ss:
39021101
PubChem物質ID:
NACRES:
NA.21

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

尋找類似的產品? 前往 產品比較指南

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。

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


從最近期的版本中選擇一個:

分析證明 (COA)

Lot/Batch Number

未看到正確版本?

如果您需要一個特定的版本,您可以透過批號來尋找特定憑證。

已經擁有該產品?

您可以在文件庫中找到最近購買的產品相關文件。

存取文件庫

客戶也查看了

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

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

聯絡技術服務