Merck
All Photos(3)

1.13351

Supelco

甲醇

for preparative chromatography Prepsolv

Synonym(s):
木精
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
MDL编号:
EC索引号:
200-659-6

蒸汽密度

1.11 (vs air)

质量水平

200

蒸汽压

128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

测定

≥99.8% (GC)

形式

liquid

自燃温度

725 °F

效能

5628 mg/kg LD50, oral (Rat)
17100 mg/kg LD50, skin (Rabbit)

expl. lim.

36 %

杂质

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.05% Water

蒸发残留物

≤1.0 mg/L

透射比

225 nm, ≥50%
265 nm, ≥98%

折射率

n20/D 1.329 (lit.)

kinematic viscosity

0.54-0.59 cSt(20 °C)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

转变温度

flash point 9.7 °C

密度

0.791 g/mL at 25 °C (lit.)

储存温度

2-30°C

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H,1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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一般描述

LiChrosolv 溶剂具有很高的紫外线透射率、低颗粒数、低酸度和碱度,以及低蒸发残留量,是可重现分离的理想选择。由于分离通常在分析型 HPLC 中在梯度条件下进行,因此我们提供“梯度级”和“等度级”的溶剂。这使得所用的溶剂的梯度作用最小化。

制备说明

产品已经过0.2 μm过滤器过滤

分析说明

纯度(GC): ≥ 99.8 %
同一性(IR):符合
蒸发残留物: ≤ 1.0 mg/l
水: ≤ 0.05 %
酸度: ≤ 0.0002 meq/g
碱度: ≤ 0.0002 meq/g
透射率(225 nm): ≥ 50 %
透射率(265 nm): ≥ 98 %
用 0.2 µm 过滤器过滤
蒸发数:1.9

法律信息

PREPSOLV is a trademark of Merck KGaA, Darmstadt, Germany

警示用语:

Danger

危险分类

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

49.5 °F - closed cup

闪点(C)

9.7 °C - closed cup

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