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重要文件

8.06064

Sigma-Aldrich

碘甲烷

(stabilised) for synthesis

同義詞:

甲基碘, 碘甲烷

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About This Item

經驗公式(希爾表示法):
CH3I
CAS號碼:
分子量::
141.94
Beilstein:
969135
MDL號碼:
分類程式碼代碼:
41116105
NACRES:
NA.22
暫時無法取得訂價和供貨情況

蒸汽密度

4.89 (vs air)

品質等級

蒸汽壓力

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

化驗

≥99.0% (GC)

形狀

liquid

效力

79.84 mg/kg LD50, oral (rat)

expl. lim.

8.5-66 % (v/v)

折射率

n20/D 1.531 (lit.)

pH值

5.2 (25 °C in H2O)

bp

41-43 °C (lit.)
42 °C/1013 hPa

mp

-66 °C
−64 (lit.)

溶解度

8.66 g/L

密度

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

SMILES 字串

CI

InChI

1S/CH3I/c1-2/h1H3

InChI 密鑰

INQOMBQAUSQDDS-UHFFFAOYSA-N

一般說明

用银稳定用于合成

應用

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)。

儲存和穩定性

在+30°C以下贮藏。

分析報告

含量测定(GC,面积%):≥99.0 %(a/a)
鉴别(IR):符合检验

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

89.8 °F - closed cup

閃點(°C)

32.1 °C - closed cup


分析證明 (COA)

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Questions

1–2 of 2 Questions  
  1. 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?

  2. 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

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