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安全性情報

227692

Sigma-Aldrich

三酸化硫黄

contains stabilizer, ≥99%

別名:

無水硫酸

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About This Item

化学式:
SO3
CAS番号:
7446-11-9
分子量:
80.06
EC Number:
231-197-3
MDL番号:
MFCD00011452
UNSPSCコード:
12352300
PubChem Substance ID:
24853646
製品227692は現在お客様の国では販売されていません。 製品に関するお問い合わせはこちら（テクニカルサービス）

蒸気密度

2.8 (vs air)

蒸気圧

280 mmHg ( 25 °C)

アッセイ

≥99%

フォーム

liquid

含みます

stabilizer

反応適合性

reagent type: oxidant

不純物

low-melting solid polymer (the formation of which is unavoidable)

bp

44.7 °C (lit.)

mp

16.8 °C (lit.)

密度

1.97 g/mL at 25 °C (lit.)

SMILES記法

O=S(=O)=O

InChI

1S/O3S/c1-4(2)3

InChI Key

AKEJUJNQAAGONA-UHFFFAOYSA-N

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詳細

Sulfur trioxide is an oxide of sulfur that is released during the combustion of sulfur bearing fuels.[1] It can be prepared by the oxidation of sulfur dioxide in the presence of vanadia catalyst.[2]

アプリケーション

Sulfur trioxide may be used in the synthesis of methane sulfonic acid (MSA) by sulfonating methane.[3] it may also be used in the synthesis of fluorinated β-sultones by reacting with fluoroolefins.[4]

ピクトグラム

CorrosionExclamation mark
GHS05,GHS07

シグナルワード

Danger

危険有害性情報

H314,H335

危険有害性の分類

Eye Dam. 1 - Skin Corr. 1A - STOT SE 3

ターゲットの組織

Respiratory system

補足的ハザード

EUH014

保管分類コード

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

引火点(°F)

Not applicable

引火点(℃)

Not applicable

個人用保護具 (PPE)

Faceshields, Gloves, Goggles

適用法令

試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。

Jan Code

227692-40G:
227692-VAR:
227692-BULK:

最新バージョンのいずれかを選択してください：

試験成績書（COA）

Lot/Batch Number
SHBG3466V
SHBD6919V
SHBD3739V
40696JKV
SHBB4988V

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特定のバージョンが必要な場合は、ロット番号またはバッチ番号で特定の証明書を検索できます。

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. Is Product 227692, Sulfur trioxide, OK to use if it contains solids?

    This product may contain low-melting solid polymer, which is unavoidable. If the material is not completely liquid, place the bottle in a glass beaker or metal pail and warm under heat lamp or in an oven at 35°C. DO NOT OVERHEAT! This product boils at 44.7°C. Melting may take up to one week. When the material is liquid, it is ready for use.

  5. What is the stabilizer used in Product 227692, Sulfur trioxide?

    The manufacturer considers the identity of the stabilizer to be proprietary information.

  6. Why does Product 227692, Sulfur trioxide, contain a stabilizer?

    The stabilizer is present to facilitate melting, not to prevent polymerization.

  7. How is Product 227692, Sulfur trioxide, packaged?

    This product is packaged in a screw-capped glass bottle.

  8. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Emissions of sulfur trioxide from coal-fired power plants.
Srivastava RK, et al.
Journal of the Air & Waste Management Association (1995), 54(6), 750-762 (2004)
Direct sulfonation of methane to methanesulfonic acid by sulfur trioxide catalyzed by cerium (IV) sulfate in the presence of molecular oxygen.
Mukhopadhyay S and Bell AT
Advanced Synthesis & Catalysis, 346(8), 913-916 (2004)
Fluorinated ?-Sultones.
Knunyants IL & Sokolski GA
Angewandte Chemie (International Edition in English), 11(7), 583-595 null
Luguang Chen et al.
Environmental science & technology, 47(3), 1729-1734 (2013-01-11)
Sulfur emission from a Victorian brown coal was quantitatively determined through controlled experiments in a continuously fed drop-tube furnace under three different atmospheres: pyrolysis, oxy-fuel combustion, and carbon dioxide gasification conditions. The species measured were H(2)S, SO(2), COS, CS(2), and
M Thanou et al.
Journal of controlled release : official journal of the Controlled Release Society, 117(2), 171-178 (2006-12-23)
Chitosan has been shown to act on the mucosal epithelial barriers mainly when protonated at acidic pH values in which it is soluble. Soluble chitosan is able to improve the permeation and absorption of neutral to cationic macromolecules only, as
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