Merck
All Photos(1)

D9170

Sigma-Aldrich

二甲基亚砜

PCR Reagent

Synonym(s):
DMSO, 甲基亚砜
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein:
506008
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.25

等级

PCR Reagent

质量水平

蒸汽密度

2.7 (vs air)

蒸汽压

0.42 mmHg ( 20 °C)

测定

≥99.5%

形式

liquid

自燃温度

573 °F

保质期

Recommended retest period - 2 years

expl. lim.

42 %, 63 °F

包装

vial of 1 mL

technique(s)

PCR: suitable

杂质

≤0.1% water
water

颜色

colorless

折射率

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

溶解性

H2O: miscible (completely)

密度

1.10 g/mL (lit.)

适用性

suitable for PCR

application(s)

agriculture

SMILES string

CS(C)=O

InChI

1S/C2H6OS/c1-4(2)3/h1-2H3

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

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Dimethyl sulfoxide PCR Reagent

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二甲基亚砜

Dimethyl sulfoxide ACS reagent, ≥99.9%

Sigma-Aldrich

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二甲基亚砜

grade

PCR Reagent

grade

analytical standard

grade

-

grade

ACS reagent

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

vapor pressure

0.42 mmHg ( 20 °C)

assay

≥99.5%

assay

≥99.95% (GC)

assay

≥99.8% (GC)

assay

≥99.9%

form

liquid

form

-

form

liquid

form

liquid

autoignition temp.

573 °F

autoignition temp.

573 °F

autoignition temp.

573 °F

autoignition temp.

573 °F

一般描述

二甲基亚砜是自由基清除剂和超低温保存剂。其在双链断裂(DSB)中起保护作用。二甲基亚砜(1-10%)已显示出可加速链复性,并被认为可使核酸对热稳定,抗脱嘌呤。作为PCR助溶剂,DMSO或能有助于提高产量,尤其对长PCR,这一作用更加明显。

应用

二甲基亚砜用作聚合酶链反应(PCR)混合物的组分和 PCR 促进剂。

注意

在室温下容易过冷并缓慢重融。 固化产品可以通过加热至室温来重新液化,而不会损害产品。

其他说明

有关二甲基亚砜混溶性的信息,请访问以下链接:
二甲基亚砜混溶性/不混溶性表

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(F)

188.6 °F - closed cup

闪点(C)

87 °C - closed cup

个人防护装备

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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