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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

For important updates on recent policy changes, please click here for more details.

Merck
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主要文件

安全信息

47673

Sigma-Aldrich

甲醛 溶液

tested according to Ph. Eur.

别名:

35% 甲醛溶液, 福尔马林

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选择尺寸

100 μL
CN¥5,074.24

CN¥5,074.24


预计发货时间June 30, 2025详情


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100 μL
CN¥5,074.24

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
PubChem化学物质编号:
NACRES:
NA.25

CN¥5,074.24


预计发货时间June 30, 2025详情


获取大包装报价

Agency

USP/NF
tested according to Ph. Eur.

质量水平

蒸汽密度

1.03 (vs air)

蒸汽压

52 mmHg ( 37 °C)

表单

liquid

自燃温度

572 °F

包含

9.0-15.0 % (v/v) methanol as stabilizer

浓度

25-50%

溶解性

water: soluble

密度

1.09 g/mL at 25 °C (lit.)

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此商品
559873696641394963
Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

-

reaction suitability

reagent type: derivatization reagent
reaction type: Acylations, reagent type: derivatization reagent
reaction type: Esterifications

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

mp

130-133 °C (lit.)

mp

-

mp

75-79 °C

mp

-

应用

在流式细胞术中,甲醛溶液已被用于固定标记的细胞。[1]

生化/生理作用

甲醛是最简单的醛,其可使RNA的双螺旋区域变性并将多核苷酸转化为无规卷曲。[2] 它是一种遗传毒性物质,可显著诱导DNA-蛋白质交联(DPC)、姐妹染色单体交换、微核形成并导致细胞毒性。[3] 它还在大鼠的鼻上皮中诱导肿瘤并且被认为是人类致癌物。

注意

储存时可能变混浊

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 - Flam. Liq. 3 - 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

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

133.0 °F - closed cup

闪点(°C)

56.11 °C - closed cup

个人防护装备

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

法规信息

危险化学品

  • 历史批次信息供参考:

    分析证书(COA)

    Lot/Batch Number

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    J L Wilson et al.
    Journal of immunology (Baltimore, Md. : 1950), 163(12), 6365-6370 (1999-12-10)
    NK cells have the capacity to spontaneously kill tumor cell lines, in particular cell lines of hemopoietic origin. In contrast, they do not generally kill nontransformed autologous cells. However, here we demonstrate that short-term activated polyclonal human NK cells, as
    O Merk et al.
    Environmental and molecular mutagenesis, 32(3), 260-268 (1998-11-14)
    Formaldehyde (FA) is a genotoxic substance, induces tumors in the nasal epithelium of rats, and is suspected to be a human carcinogen. As a primary DNA lesion, FA induces DNA-protein crosslinks (DPC) and the formation of DPC has been used
    Dependence of the sedimentation coefficient on molecular weight of RNA after reaction with formaldehyde.
    H Boedtker
    Journal of molecular biology, 35(1), 61-70 (1968-07-14)
    G R Moore et al.
    Neurology, 55(10), 1506-1510 (2000-11-30)
    To determine the pathologic basis of areas not exhibiting signal of the short-T2 component of the T2 relaxation distribution in MS, as studied in formalin-fixed brain. A myelin-specific MRI signal would be of great importance in assessing demyelination in patients
    Richard Brad Jones et al.
    PLoS pathogens, 10(8), e1004287-e1004287 (2014-08-15)
    Resting memory CD4+ T-cells harboring latent HIV proviruses represent a critical barrier to viral eradication. Histone deacetylase inhibitors (HDACis), such as suberanilohydroxamic acid (SAHA), romidepsin, and panobinostat have been shown to induce HIV expression in these resting cells. Recently, it

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