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硫酸バリウム

硫酸バリウム 化学構造式
7727-43-7
CAS番号.
7727-43-7
化学名:
硫酸バリウム
别名:
トラバド;硫酸バリウム;シトバリウム;エソホトラスト;オラトラスト;バリタホワイト;バリドール;バロトラスト;ウニバリット;C.I.ピグメントホワイト21;コロナトラスト;ネオバル;プロントバリオ;バロスペルス;プロン;バコンタール;重晶石;バライト;C.I.ピグメントホワイト22;ミクロパク
英語化学名:
Barium sulfate
英語别名:
hd85;epi-c;rugar;ba147;BARYTE;enecat;eneset;eweiss;e-z-ac;e-z-hd
CBNumber:
CB9854295
化学式:
BaO4S
分子量:
233.39
MOL File:
7727-43-7.mol

硫酸バリウム 物理性質

融点 :
1580 °C
沸点 :
decomposes at 1580℃ [KIR78]
比重(密度) :
4.5
貯蔵温度 :
Storage temperature: no restrictions.
溶解性:
water: insoluble
外見 :
powder
色:
White to yellow
比重:
4.5
PH:
3.5-10.0 (100g/l, H2O, 20℃)suspension
水溶解度 :
0.0022 g/L (50 ºC)
Merck :
14,994
Ksp溶解度積定数:
pKsp: 9.97
安定性::
Stable.
CAS データベース:
7727-43-7(CAS DataBase Reference)
EPAの化学物質情報:
Sulfuric acid, barium salt (1:1)(7727-43-7)

安全性情報

主な危険性  Xn
Rフレーズ  20/21/22-36/37/38
Sフレーズ  22-24/25-36-26
WGK Germany  -
RTECS 番号 CR0600000
TSCA  Yes
HSコード  28332700
有毒物質データの 7727-43-7(Hazardous Substances Data)
毒性 LD50 orally in Rabbit: > 20000 mg/kg

硫酸バリウム 価格 もっと(27)

メーカー 製品番号 製品説明 CAS番号 包装 価格 更新時間 購入
富士フイルム和光純薬株式会社(wako) W01AFAA11768 硫酸バリウム, precipitated, 99%
Barium sulfate, precipitated, 99%
7727-43-7 500g ¥4320 2018-12-26 購入
富士フイルム和光純薬株式会社(wako) W01AFAA11768 硫酸バリウム, precipitated, 99%
Barium sulfate, precipitated, 99%
7727-43-7 2500g ¥18980 2018-12-26 購入
関東化学株式会社(KANTO) 04051-01 硫酸バリウム
Barium sulfate
7727-43-7 500g ¥2600 2018-12-13 購入
関東化学株式会社(KANTO) 04051-00 硫酸バリウム
Barium sulfate
7727-43-7 500g ¥5200 2018-12-13 購入
Sigma-Aldrich Japan 243353 硫酸バリウム ReagentPlus?, 99%
Barium sulfate ReagentPlus?, 99%
7727-43-7 100g ¥6700 2018-12-25 購入

硫酸バリウム 化学特性,用途語,生産方法

外観

白色の粉末

定義

本品は、硫酸(*)のバリウム塩であり、次の化学式で表される。
参照表示名称:硫酸

溶解性

水に不溶, エタノールに不溶。水、酸、アルカリ及び有機溶媒にほとんど溶けない。

用途

・他のバリウム化合物の原料 ・白色顔料、塗料の体質 ・ゴム、紙、絶縁テープの充テン剤、特に光沢を必要とするアート紙、バライト紙には沈降性硫酸バリウムの最上質のものを用いる。 ・X線吸収力が大きく、溶解度が小さく無害であるためX線造影剤として内臓特に消化管の検査に用いる。6局収載の医薬品。

用途

硫酸バリウム

用途

X 線吸収力が大きく、溶解度 が小さく無害であるため X 線造影剤として用 いられます。

用途

製紙充填剤,医薬(X線造影剤),充てん剤,ブレーキパット,無機顔料,塗料,ゴム着色増量剤,炭酸バリウム?チタン酸バリウム?フェライト原料 (NITE CHRIP)

化粧品の成分用途

不透明化剤

効能

診断補助薬 (放射線不透過性造影剤)

主な用途/役割

エポキシ樹脂系接着剤、ゴム系接着剤に使用される。

商品名

ウムブラ (伏見製薬所); コロンフォート (伏見製薬所); ネオバルギン (カイゲンファーマ); ネオバルギン (カイゲンファーマ); ネオバルギン (カイゲンファーマ); バムスター (カイゲンファーマ); バリコンク (カイゲンファーマ); バリコンミール (堀井薬品工業); バリテスター (伏見製薬所); バリトゲン (伏見製薬所); バリトゲン (伏見製薬所); バリトゲン (伏見製薬所); バリトゲン (伏見製薬所); バリトップ (カイゲンファーマ); バリトップ (カイゲンファーマ); バリトップ (カイゲンファーマ); バリトップ (カイゲンファーマ); バリトップ (カイゲンファーマ); バリブライト (カイゲンファーマ); バリブライト (カイゲンファーマ); バリブライト (カイゲンファーマ); バリブライト (カイゲンファーマ); 硫酸バリウム (カイゲンファーマ); 硫酸バリウム (伏見製薬所); 硫酸バリウム (堀井薬品工業); 硫酸バリウム (堀井薬品工業)

説明

Barium sulphate is available as odourless, tasteless, white or yellowish crystals or powder or polymorphous crystals. It is stable and insoluble or negligibly soluble in water, and on burning, it may produce sulphur oxides. It reacts violently with aluminium powder. It occurs naturally as mineral barite, barytes. It has wide use as inert filler and pigment extender in paints, primers, inks, plastics, floor tiles, paper coatings, polymer fibres, and rubber. It is used as the semi-transparent base (lake) for organic pigments and as a thixotropic weighting mud in oil well drilling. Barium sulphate is a contrast agent that is used to help x-ray diagnosis of problems in areas of the upper GI tract, like the oesophagus, the stomach, and/ or the small intestine. The raw barium sulphate has wide applications such as in the manufacture of lithopone, a white pigment in the manufacture of photographic paper, wallpaper and glassmaking, in battery plate expanders, and in heavy concrete for radiation shield.

化学的特性

Barium sulfate is a white crystalline solid.

化学的特性

Barium sulfate is available as white powder or polymorphous crystals. It is stable, odor- less, insoluble, or negligibly soluble in water, and may produce sulfur oxides on burning. It occurs naturally as mineral barite (barytes). It has wide use as an inert i ller pigment extender in paints, primers, inks, plastics, l oor tiles, paper coatings, polymer i bers, and rubber. It is used as the semi-transparent base (lake) for organic pigments and as a thixo- tropic weighting mud in oil well drilling. Barium sulfate is radio-opaque and is used as bar- ium meal in medical x-ray diagnosis. Barium sulfate is a contrast agent that is used to help x-ray diagnosis of problems in areas of the upper GI tract, like the esophagus, the stomach, and/or the small intestine. Barium sulfate is the raw material for the manufacture of litho- pone, a white pigment, and is used in the manufacture of photographic paper, wallpaper, and glassmaking; in battery plate expanders; and in heavy concrete for radiation shield.

化学的特性

Fine, white or almost white powder, free from gritty particles.

物理的性質

Barium sulfate has the molecular formula of BaSO4 and the molecular weight of 233.3896 g/mol. It can be prepared by the reaction of barium carbonate and sulfuric acid:
BaCO3+H2SO4?BaSO4+CO2+H2O
Barium sulfate is a soft crystalline solid. It is a rhombic crystal. The pure salt is white but the color of the mineral “barite” can vary between red, yellow, gray or green, depending on impurities. Its density is 4.50 g/cm3 and its refractive index is 1.64. It melts around 1580°C but decomposes above 1600°C. Its hardness is 4.3 to 4.6 Mohs. It is virtually insoluble in water (285 mg/l at 30°C) and insoluble in alcohol. Its Ksp is 1.1×10-10. It is soluble in concentrated sulfuric acid. The crystal structure of BaSO4 is known to be rhombic, with a space group pnma. The lattice parameters are: a=8.896? , b=5.462°, c=7.171 ?, V=348.4 ?3.
Silica is the prime impurity that can be removed as sodium fluorosilicate by treatment with hydrofluoric acid followed by caustic soda. Very pure barium sulfate may be obtained by treating an aqueous solution of a soluble barium salt with sodium sulfate:
BaCl2+Na2SO4?BaSO4+2NaCl
Barium sulfate is one of the most insoluble salts of the alkaline earths. It does not undergo double decomposition reactions in aqueous phase like its Mg homologue.
It dissolves in concentrated H2SO4 to form an acid sulfate that breaks down to BaSO4 upon dilution. Reduction with coke under heating produces barium sulfide:
BaSO4+3C?BaS+2CO+CO2

使用

Barium sulfate has many commercial applications. It is used either as natural barite, or precipitated BaSO4. The precipitated salt in combination with equimolar amount of co-precipitated zinc sulfide formerly was used as a white protective coating pigment, known as “lithopone”. Similarly, in combination with sodium sulfide, it is used to produce fine pigment particles of uniform size, known as “blanc fixe”. Natural barite, however, has greater commercial application than the precipitated salt. It is used as an additive in drilling mud in crude oil, well drilled to lubricate and cool the drilling bit, and to plaster the walls of the drill hole to prevent caving. It is used as a filler in automotive paints, plastics and rubber products. It also is used as a filler in polyurethane foam floor mats, white sidewall rubber tires and as a flux and additive to glass to increase the refractive index.
Barium sulfate is frequently used clinically as a contrast agent for X-ray imaging and other diagnostic procedures. It is most often used in imaging of the gastrointestinal tract. It is administered, orally or by enema, as a suspension of fine particles in an aqueous solution. Although barium, and its water-soluble compounds are often highly toxic, the extremely low solubility of barium sulfate protects the patient from absorbing harmful amounts of the metal. Barium sulfate is also readily removed from the body, unlike prior compounds, which it replaced. Its absorbance of Xrays is also higher.
Barium sulfate mixtures are used as white pigment for paints. In oil paint, barium sulfate is almost transparent, and is used as a filler or to modify consistency. One major manufacturer of artists’ oil paint sells “permanent white” that contains a mixture of titanium white pigment and barium sulfate. Barium sulfate itself is called blanc fixe (French for “permanent white”).
range. It is applied by spray painting to almost any substrate (metals, plastics, glass) for use in integrating spheres, laser cavities, lamp reflectors and display backlights. It is characterized by a near-perfect Lambertian (i.e. diffuse) reflectance of up to 98% in the spectral range from 250 to 2500 nm.
Other chemical applications of barium sulfate are used as a pigment for photographic paper. It is also used to prepare many other barium salts. It is available in many forms commercially.

使用

A heavy, white powder made by treating barium salts with sulfuric acid. Barium sulfate was used as a preliminary coating for raw photographic papers to produce a smooth, white surface and to act as a barrier to prevent reactions between the paper and subsequent coatings of gelatin or collodion emulsions. Barium sulfate was also added directly to emulsions to produce a matte finish. It is also known as barite, synthetic barite, blanc fix, baryta white, and mountain snow.

使用

barium sulfate is an emulsion stabilizer for sunscreen formulations. outside of sunscreen preparations, this inorganic salt is most commonly used in non-cosmetic soaps.

使用

Finepowder Barium Sulphate is widely used in chemical industrypaint, plastics, rubber,glass, paper, medicine,ceramics, storage battery and other areas;Fine powder Barium Sulphate is widely used in chemical industry

使用

manufacture of photographic papers, artificial ivory, cello-phane; filler for rubber, linoleum, oil cloth, polymeric fibers and resins, paper, lithographic inks; as a water-color pigment for colored paper, in wallpaper; as a size for modifying the colors of other pigments; in heavy concrete for radiation shield.

定義

ChEBI: A metal sulfate with formula BaO4S. Virtually insoluble in water at room temperature, it is mostly used as a component in oil well drilling fluid it occurs naturally as the mineral barite.

brand name

Baricon (Mallinckrodt); Bar-test (Glenwood); Barocat (Mallinckrodt); Barosperse (Mallinckrodt); Barosperse II (Mallinckrodt); Barotrast (Rhone-Poulenc Rorer); Epi-C (Mallinckrodt); Epi-Stat 57 (Mallinckrodt); Epi-Stat 61 (Mallinckrodt); Esophotrast (Rhone-Poulenc Rorer); Oratrast (Rhone-Poulenc Rorer).

一般的な説明

White or yellowish odorless powder or small crystals. Mp: 1580°C (with decomposition). Density: 4.25 -4.5 g cm-3. Insoluble in water, dilute acids, alcohol. Soluble in hot concentrated sulfuric acid. Used as a weighting mud in oil-drilling, in paints, paper coatings, linoleum, textiles, rubber. Administered internally (barium cocktail) as a radio-opaque diagnostic aid.

一般的な説明

Commercial preparations of barium sulfatediffer in their density and ability to coat the bowel wall.These characteristics are determined by the particle size of thebarium suspension, its viscosity, and concentration of thecontrast agent. Flavoring agents, suspending agents, and otheradditives may be utilized in preparing various products.
Barium sulfate preparations are given orally or rectallyand are used to study the esophagus, stomach, duodenum,entire small bowel, colon, or the total bowel. Most patientsfind the taste of these flavored mixtures tolerable, but theydislike the heavy texture of the barium.
Concentrated barium suspensions ranging from 50% to210% weight/volume (wt/vol) are frequently used for traditionalradiographic imaging. Dilute suspensions rangingfrom 1.5% to 5% weight/volume (wt/vol) are typically usedfor CT studies.
The quantity and concentration of barium sulfate suspensionadministered to the patient will depend on the selectedprocedure. In general, upper GI studies will administer thecontrast agent just prior to imaging, whereas lower GI studiesrecommend intake several hours prior to the procedure.For total bowel opacification, the patient should consumecontrast agent the night preceding the examination, additionalagent a few hours prior to examination, and a thirddose approximately 15 minutes prior to examination.

反応プロフィール

Barium sulfate is non-combustible and non-toxic. Emits toxic sulfur oxides when heated to decomposition. Can act as an oxidizing agent, but usually does not. Reacts with reducing agents such as potassium, phosphorus or aluminum (heating with aluminum can cause an explosion).

危険性

Pneumoconiosis.

健康ハザード

Exposures to barium sulfate cause irritation to the eyes, lachrimation; redness, scaling, and itching are characteristics of skin inl ammation. Although barium sulfate has been identi- i ed as a non-toxic dust, long-term inhalation of dust in high concentrations has caused benign pneumoconiosis (baritosis), deposition of dust in the lungs in sufi cient quantities to produce adverse effects. This produces a radiological picture even though symptoms and abnormal signs may not be present. The Fumes of barium are respiratory irritants and over-exposure to dusts and fumes is known to cause rhinitis, frontal headache, wheezing, laryngeal spasm, salivation, and anorexia. Long-term effects include nervous disorders and adverse effects on the heart, circulatory system, and musculature. Heavy exposures to barium sulfate may cause benign pneumoconi in exposed workers. However, there are no reports indicating that barium sulfate has potential occupational hazards or carcinogenicity.

応用例(製薬)

Barium salts can be highly toxic even at low concentrations. Barium carbonate is highly toxic and can be used as rat poison as it readily dissolves in the stomach acid. Barium sulfate is the least toxic barium compound mainly because of its insolubility. Barium sulfate is used in a variety of applications ranging from white paint to X-ray contrast agent. The clinical use of barium sulfate suspension is well known under the term barium meal. Patients are given a suspension of barium sulfate to swallow. Using X-ray imaging, the whole oesophagus, the stomach and the intestines can be visualised. Barium sulfate lines the tissue whilst travelling through the digestive tract. The heavy barium ions absorb X-rays readily and therefore these structures become visible in an X-ray screening. Barium sulfate is a well-used and tolerated oral radio-contrast agent. It is also used as radio-contrast agent in enemas.

安全性プロファイル

Questionable carcinogen with experimental tumorigenic data. Mutation data reported. A relatively insoluble salt used as an opaque medium in radtography. Soluble impurities can lead to toxic reactions. Heating with aluminum can produce an explosion. Incompatible with aluminum and potassium. When heated to decomposition it emits toxic fumes of SOx.

職業ばく露

Barium sulfate is used as an opaque medium in radiography; as a mud weighting material in oil well drilling; in paper coating; as a paint pigment.

応急処置

Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to Barium Sulfate 357 protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.

貯蔵

Barium sulfate should be kept stored in its original sealed glass container with proper security when not in use. Barium sulfate should be stored in a cool, dry, ventilated area, away from incompatible materials and foodstuff containers. The containers need to be protected against physical damage and checked regularly for leaks.

輸送方法

UN1564 Barium compounds, n.o.s., Hazard Class: 6.1; Labels: 6.1—Poisonous materials.

不和合性

May act as an oxidizer. Reacts with reducing agents such as hydrides, potassium, phosphorus or aluminum. Aluminum powder1heat may be violent; possibly explosive.

予防処置

Barium sulfate should only be used by or under the direct supervision of a qualii ed super- visor or doctor. During use and handling of barium sulfate, workers should avoid contact of the chemical substance with the skin and should not breathe dust. After use, the work- ers should wash their hands with soap and water. While dispensing, care is needed to label barium sulfate properly and correctly, to avoid confusion with poisonous barium suli de, suli te, or carbonate.

硫酸バリウム 上流と下流の製品情報

原材料

準備製品


硫酸バリウム 生産企業

Global( 242)Suppliers
名前 電話番号 ファックス番号 電子メール 国籍 製品カタログ 優位度
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21967 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20680 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32457 55
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 info@tnjchem.com China 1730 55
Xiamen AmoyChem Co., Ltd
+86 (0)592-605 1114
sales@amoychem.com CHINA 6374 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20095 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 20104 58
Sino Chem Mongolia Alliance Ltd. +86-131-10056998
+86-022-23686656 sinongolia-chem@163.com China 9 60
Hubei Xingyinhe Chemical Co., Ltd. 15308653513
027-63606400 hubeixyh@qq.com China 476 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933 jkinfo@jkchemical.com;market6@jkchemical.com China 96815 76

7727-43-7(硫酸バリウム)キーワード:


  • 7727-43-7
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  • BARIUM SULFATE, 99.998%
  • BARIUM SULFATE USP
  • トラバド
  • 硫酸バリウム
  • シトバリウム
  • エソホトラスト
  • オラトラスト
  • バリタホワイト
  • バリドール
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  • ウニバリット
  • C.I.ピグメントホワイト21
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  • ブランクフィクス
  • レジフロー
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  • E-Z-パク
  • インテスチバル
  • 硫酸Ba
  • 沈バリ
  • 硫酸バリウム PURISS.,MEETS ANALYTICAL SPECIFICATION OF PH.EUR.,BP,97.5-100.5%
  • 硫酸バリウム REAGENTPLUS,99%
  • BARIUM SULFATE, PURATRONIC®, 99.998% (METALS BASIS)
  • 硫酸バリウム, PRECIPITATED
  • 硫酸バリウム, precipitated, 99%
  • 硫酸バリウム, Puratronic®, 99.998% (metals basis)
  • 硫酸バリウム (JP17)
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