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Merck
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主要文件

8.06064

Sigma-Aldrich

碘甲烷

(stabilised) for synthesis

别名:

甲基碘, 碘甲烷

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About This Item

经验公式(希尔记法):
CH3I
CAS号:
分子量:
141.94
Beilstein:
969135
MDL编号:
UNSPSC代码:
41116105
NACRES:
NA.22
价格与库存信息目前不能提供

蒸汽密度

4.89 (vs air)

质量水平

蒸汽压

24.09 psi ( 55 °C)
540 hPa ( 25 °C)
7.89 psi ( 20 °C)

方案

≥99.0% (GC)

表单

liquid

效能

79.84 mg/kg LD50, oral (rat)

expl. lim.

8.5-66 % (v/v)

折射率

n20/D 1.531 (lit.)

pH值(酸碱度)

5.2 (25 °C in H2O)

沸点

41-43 °C (lit.)
42 °C/1013 hPa

mp

-66 °C
−64 (lit.)

溶解性

8.66 g/L

密度

2.28 g/cm3 at 20 °C
2.28 g/mL at 25 °C (lit.)

SMILES字符串

CI

InChI

1S/CH3I/c1-2/h1H3

InChI key

INQOMBQAUSQDDS-UHFFFAOYSA-N

一般描述

用银稳定用于合成

应用

用于合成的碘甲烷(使用银作为稳定剂)。CAS 74-88-4,pH 5.2(H₂O,25 °C)。

储存及稳定性

在+30°C以下贮藏。

分析说明

含量测定(GC,面积%):≥99.0 %(a/a)
鉴别(IR):符合检验

警示用语:

Danger

危险分类

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

89.8 °F - closed cup

闪点(°C)

32.1 °C - closed cup


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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

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