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ベンズアルデヒド

ベンズアルデヒド 化学構造式
100-52-7
CAS番号.
100-52-7
化学名:
ベンズアルデヒド
别名:
ベンズアルデヒド;ベンゼンカルボアルデヒド;2-ホルミルベンゼン;アーモンド精油;3-ホルミルベンゼン;4-ホルミルベンゼン;ベンゼンカルボナール;アーティフィシャルアーモンドオイル;1-ホルミルベンゼン;ベンズアルデヒド(RING-13C6)
英語化学名:
Benzaldehyde
英語别名:
BALD;NA 1989;FEMA 2127;NCI-C56133;Benaldehyde;Benzaldehyd;BENZALDEHYDE;Benzyaldehyde;Benzoylhydride;BenzaldehydeGr
CBNumber:
CB6852588
化学式:
C7H6O
分子量:
106.12
MOL File:
100-52-7.mol

ベンズアルデヒド 物理性質

融点 :
-26 °C
沸点 :
179 °C
比重(密度) :
1.044 g/cm 3 at 20 °C(lit.)
蒸気密度:
3.7 (vs air)
蒸気圧:
4 mm Hg ( 45 °C)
屈折率 :
n20/D 1.545(lit.)
FEMA :
2127 | BENZALDEHYDE
闪点 :
145 °F
貯蔵温度 :
room temp
溶解性:
H2O: soluble100mg/mL
酸解離定数(Pka):
14.90(at 25℃)
外見 :
neat
PH:
5.9 (1g/l, H2O)
臭い (Odor):
Like almonds.
爆発限界(explosive limit):
1.4-8.5%(V)
水溶解度 :
<0.01 g/100 mL at 19.5 ºC
凝固点 :
-56℃
Sensitive :
Air Sensitive
Merck :
14,1058
JECFA Number:
22
BRN :
471223
安定性::
Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, steam. Air, light and moisture-sensitive.
InChIKey:
HUMNYLRZRPPJDN-UHFFFAOYSA-N
CAS データベース:
100-52-7(CAS DataBase Reference)
NISTの化学物質情報:
Benzaldehyde(100-52-7)
EPAの化学物質情報:
Benzaldehyde(100-52-7)
安全性情報
  • リスクと安全性に関する声明
  • 危険有害性情報のコード(GHS)
主な危険性  Xn
Rフレーズ  22
Sフレーズ  24
RIDADR  UN 1990 9/PG 3
WGK Germany  1
RTECS 番号 CU4375000
8
自然発火温度 374 °F
TSCA  Yes
HSコード  2912 21 00
国連危険物分類  9
容器等級  III
有毒物質データの 100-52-7(Hazardous Substances Data)
毒性 LD50 in rats, guinea pigs (mg/kg): 1300, 1000 orally (Jenner)
消防法 危-4-2-III
化審法 (3)-1142
安衛法 変異原性物質
PRTR法 第一種指定化学物質
絵表示(GHS)
注意喚起語 Warning
危険有害性情報
コード 危険有害性情報 危険有害性クラス 区分 注意喚起語 シンボル P コード
H227 引火性液体 引火性液体 4 警告 P210, P280, P370+P378, P403+P235,P501
H302 飲み込むと有害 急性毒性、経口 4 警告 P264, P270, P301+P312, P330, P501
H315 皮膚刺激 皮膚腐食性/刺激性 2 警告 P264, P280, P302+P352, P321,P332+P313, P362
H317 アレルギー性皮膚反応を起こすおそれ 感作性、皮膚 1 警告 P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H320 眼刺激 眼に対する重篤な損傷性/眼刺激 性 2B 警告 P264, P305+P351+P338,P337+P313
H335 呼吸器への刺激のおそれ 特定標的臓器毒性、単回暴露; 気道刺激性 3 警告
H336 眠気やめまいのおそれ 特定標的臓器毒性、単回暴露; 麻酔作用 3 警告 P261, P271, P304+P340, P312,P403+P233, P405, P501
H341 遺伝性疾患のおそれの疑い 生殖細胞変異原性 2 警告 P201,P202, P281, P308+P313, P405,P501
H371 臓器の障害のおそれ 特定標的臓器有害性、単回暴露 2 警告 P260, P264, P270, P309+P311, P405,P501
H401 水生生物に毒性 水生環境有害性、急性毒性 2 P273, P501
注意書き
P201 使用前に取扱説明書を入手すること。
P202 全ての安全注意を読み理解するまで取り扱わないこ と。
P210 熱/火花/裸火/高温のもののような着火源から遠ざ けること。-禁煙。
P260 粉じん/煙/ガス/ミスト/蒸気/スプレーを吸入しないこ と。
P264 取扱い後は皮膚をよく洗うこと。
P264 取扱い後は手や顔をよく洗うこと。
P270 この製品を使用する時に、飲食または喫煙をしないこ と。
P271 屋外または換気の良い場所でのみ使用すること。
P272 汚染された作業衣は作業場から出さないこと。
P273 環境への放出を避けること。

ベンズアルデヒド 価格 もっと(38)

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) W01CHDASB-00002057 ベンズアルデヒド
Benzaldehyde
100-52-7 100mg ¥16800 2018-12-26 購入
富士フイルム和光純薬株式会社(wako) W01CHDASB-00002057 ベンズアルデヒド
Benzaldehyde
100-52-7 1g ¥30200 2018-12-26 購入
東京化成工業 B2379 ベンズアルデヒド >98.0%(GC)
Benzaldehyde >98.0%(GC)
100-52-7 500g ¥3500 2018-12-04 購入
関東化学株式会社(KANTO) 04072-00 ベンズアルデヒド >98.0%(GC)
Benzaldehyde >98.0%(GC)
100-52-7 500mL ¥4200 2018-12-13 購入
関東化学株式会社(KANTO) 04072-01 ベンズアルデヒド >97.0%(GC)
Benzaldehyde >97.0%(GC)
100-52-7 500mL ¥2200 2018-12-13 購入

ベンズアルデヒド MSDS


Benzaldehyde

ベンズアルデヒド 化学特性,用途語,生産方法

外観

無色〜わずかにうすい黄褐色, 澄明の液体

定義

本品は、次の化学式で表される芳香族アルデヒドである。

溶解性

水に微溶 (0.33g/100ml水, 20℃), アルコールに可溶。エタノール及びジエチルエーテルに極めて溶けやすく、水にほとんど溶けない。

用途

香料原料、染料

用途

有機合成原料、溶剤、香料材料。

化粧品の成分用途

変性剤、香料、香味剤

効能

香料

使用上の注意

空気中で酸化されて安息香酸を生成する。

化学的特性

Colorless to light yellow liquid

化学的特性

Benzaldehyde is a colorless to yellow, oily liquid with an odor of bitter almonds. Benzaldehyde is commercially available in two grades: (i) pure benzaldehyde and (ii) and double-distilled benzaldehyde. The latter has applications in the pharmaceutical, perfume, and fl avor industries. Benzaldehyde may contain trace amounts of chlorine, water, benzoic acid, benzyl chloride, benzyl alcohol, and/or nitrobenzene. Benzaldehyde is ignited relatively easily on contact with hot surfaces. This has been attributed to the property of very low auto-ignition temperature. Benzaldehyde also undergoes autoxidation in air and is liable to self-heat. Benzaldehyde exists in nature, occurring in combined and uncombined forms in many plants. Benzaldehyde is also the main constituent of the essential oils obtained by pressing the kernels of peaches, cherries, apricots, and other fruits. Benzaldehyde is released into the environment in emissions from combustion processes, such as gasoline and diesel engines, incinerators, and wood burning. It is formed in the atmosphere through photochemical oxidation of toluene and other aromatic hydrocarbons. Benzaldehyde is corrosive to gray and ductile cast iron (10% solution), and all concentrations of lead. However, pure benzaldehyde is not corrosive to cast iron. Benzaldehyde does not attack most of the common metals, like stainless steels, aluminum, aluminum bronze, nickel and nickel-base alloys, bronze, naval brass, tantalum, titanium, and zirconium. On decomposition, benzaldehyde releases peroxybenzoic acid and benzoic acidBenzaldehyde is used in perfumes, soaps, foods, drinks, and other products; as a solvent for oils, resins, some cellulose ethers, cellulose acetate, and cellulose nitrate. The uses of benzaldehyde in industries are extensive. For instance, in the production of derivatives that are employed in the perfume and fl avor industries, like cinnamaldehyde, cinnamyl alcohol, cinnamic acid, benzylacetone, and benzyl benzoate, in the production of triphenylmethane dyes and the acridine dye, benzofl avin; as an intermediate in the pharmaceutical industry, for instance, to make chloramphenicol, ephedrin, and ampicillin, as an intermediate to make benzoin, benzylamine, benzyl alcohol, mandelic acid, and 4-phenyl-3-buten-2-one (benzylideneacetone), in photochemistry, as a corrosion inhibitor and dyeing auxiliary, in the electroplating industry, and in the production of agricultural chemicals

化学的特性

Benzaldehyde is a clear to yellowish liquid with an almond odor. The Odor Threshold is 0.042 ppm.

化学的特性

Benzaldehyde is themain, characteristic component of bitter almond oil. It occurs in many other essential oils and is a colorless liquid with a bitter almond odor. In the absence of inhibitors, benzaldehyde undergoes autoxidation to perbenzoic acid, which reacts with a second molecule of benzaldehyde to yield benzoic acid.
Hydrogenation of benzaldehyde yields benzyl alcohol, and condensation with aliphatic aldehydes leads to additional fragrance substances or their unsaturated intermediates.Unsaturated araliphatic acids are obtained through the Perkin reaction, for example, the reaction with acetic anhydride to give cinnamic acid.
Benzaldehyde is prepared by hydrolysis of benzal chloride, for example, in acidic media in the presence of a catalyst such as ferric chloride or in alkaline media with aqueous sodium carbonate. Part of the commercially available benzaldehyde originates from a technical process for phenol. In this process, benzaldehyde is a by-product in the oxidation, in air, of toluene to benzoic acid.
Benzaldehyde is used in aroma compositions for its bitter almond odor. It is the starting material for a large number of araliphatic fragrance and flavor materials.

化学的特性

A colorless liquid turns to brown on exposure to air. Benzaldehyde has a characteristic odor and aromatic taste similar to bitter almond.

天然物の起源

Present as cyanuric glucoside (amygdalin) in bitter almond, peach, apricot kernel and other Prunus species; amygdalin is also present in various parts of the following plants: Sambucus nigra, Chrysophyllum arlen, Anacyclus officinarnm, Anacyclus pedunculatus, Davallia brasiliensis, Lacuma deliciosa, Lacuma multiflora and others; free benzaldehyde has been reported found in several essential oils: hyacinth, citronella, orris, cinnamon, sassafras, labdanum and patchouli. Reported found in strawberry jam, leek (raw) (Allium porrum L.), crispbread, Camembert, Gruyere de Comte, provolone cheeses, black tea, salted and pickled plum, cooked trassi, Bantu beer, red sage (Texas sage) (S. coccinea Juss. Ex Murr.), arrack, scallop, hog plum (Spondias mombins L.), chekur (Alpinia sessilis Kon. = Kaemferia galanga) and other natural sources.

使用

Benzaldehyde is a flavoring agent which is liquid and colorless, and has an almond-like odor. it has a hot (burning) taste. it is oxidized to benzoic acid when exposed to air and deteriorates under light. it is miscible in volatile oils, fixed oils, ether, and alcohol; it is spar- ingly soluble in water. it is obtained by chemical synthesis and by natural occurrence in oils of bitter almond, peach, and apricot kernel. it is also termed benzoic aldehyde.

使用

Benzaldehyde is used as an intermediatein the production of flavoring chemicals,such as cinnamaldehyde, cinnamalalcohol,and amyl- and hexylcinnamaldehyde for perfume,soap, and food flavor; synthetic penicillin,ampicillin, and ephedrine; and as araw material for the herbicide Avenge. Itoccurs in nature in the seeds of almonds,apricots, cherries, and peaches. It occurs intrace amounts in corn oil.

使用

Manufacture of dyes, perfumery, cinnamic and mandelic acids, as solvent; in flavors.

定義

A yellow organic oil with a distinct almondlike odor. Benzenecarbaldehyde undergoes the reactions characteristic of aldehydes and may be synthesized in the laboratory by the usual methods of aldehyde synthesis. It is used as a food flavoring and in the manufacture of dyes and antibiotics, and can be readily manufactured by the chlorination of methylbenzene and the subsequent hydrolysis of (dichloromethyl) benzene: C6H5CH3 + Cl2 →C6H5CHCl2 C6H5CHCl2 + 2H2O →C6H5CH(OH)2+ 2HCl C6H5CH(OH)2 →C6H5CHO + H2O.

Aroma threshold values

Detection: 100 ppb to 4.6 ppm; Recognition: 330 ppb to 4.1 ppm.

Taste threshold values

Taste characteristics at 50 ppm: sweet, oily, almond, cherry, nutty and woody

一般的な説明

A clear colorless to yellow liquid with a bitter almond odor. Flash point near 145°F. More denser than water and insoluble in water. Hence sinks in water. Vapors are heavier than air. The primary hazard is to the environment. Immediate steps should be taken to limit spread to the environment. Easily penetrates the soil to contaminate groundwater and nearby waterways. Used in flavoring and perfume making.

空気と水の反応

Oxidizes in air to form benzoic acid, which is moderately toxic by ingestion. Insoluble in water.

反応プロフィール

A nontoxic, combustible liquid, reacts with oxidizing reagents. Benzaldehyde must be blanketed with an inert gas at all times since Benzaldehyde is oxidized readily by air to benzoic acid [Kirk-Othmer, 3rd ed., Vol. 3, 1978, p. 736]. In contact with strong acids or bases Benzaldehyde will undergo an exothermic condensation reaction [Sax, 9th ed., 1996, p. 327]. A violent reaction was observed on contact with peroxyacids (peroxyformic acid) [DiAns, J. et al., Ber., 1915, 48, p. 1136]. An explosion occurred when pyrrolidine, Benzaldehyde, and propionic acid were heated to form porphyrins.

危険性

Highly toxic.

健康ハザード

Benzaldehyde exhibited low to moderate toxicityin test animals, the poisoning effectdepending on dosage. Ingestion of 50–60 mLmay be fatal to humans. Oral intake of a largedose can cause tremor, gastrointestinal pain,and kidney damage. Animal experimentsindicated that ingestion of this compoundby guinea pigs caused tremor, bleeding fromsmall intestine, and an increase in urine volume;in rats, ingestion resulted in somnolenceand coma.
LD50 value, oral (guinea pigs): 1000 mg/kg
LD50 value, oral (rats): 1300 mg/kg
A 500-mg amount for a 24-hour periodresulted in moderate skin irritation in rabbits.Because of its low toxicity, high boilingpoint, and low vapor pressure, the healthhazard to humans from exposure to benzaldehydeis very low.

健康ハザード

Exposures to theExposures to the vapor of benzaldehyde cause irritation to the upper respiratory tract, intolerable irritation of the nose and throat, headache, nausea, dizziness, drowsiness, and confusion. It is a CNS depressant. Exposures to benzaldehyde cause moderate to severe eye irritation and prolonged periods of exposure cause corrosive effects to the skin, like burns, scarring, and skin injury, fatigue, headache, nausea, dizziness, and loss of coordination. At higher concentrations, benzaldehyde produces more severe effects, such as sore throat, abdominal pain, nausea, CNS depression, convulsions, and respiratory failure. The estimated lethal dose of benzaldehyde has been reported as 2 oz. There is no data on humans and the information and conclusions are based on evidence obtained from animal studies. vapor of benzaldehyde cause irritation to the upper respiratory tract,

火災危険

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

火災危険

Flash Point (°F): 148 ℃, 163 ℃; Flammable Limits in Air (%): No data; Fire Extinguishing Agents: Water spray, foam, carbon dioxide, or dry chemical; Fire Extinguishing Agents Not To Be Used: Not pertinent; Special Hazards of Combustion Products: Not pertinent; Behavior in Fire: Not pertinent; Ignition Temperature (°F): 378; Electrical Hazard: Not pertinent; Burning Rate: 3.8 mm/min.

化学反応性

Reactivity with Water: No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

安全性プロファイル

Poison by ingestion and intraperitoneal routes. Moderately toxic by subcutaneous route. An allergen. Acts as a feeble local anesthetic. Local contact may cause contact dermatitis. Causes central nervous system depression in small doses and convulsions in larger doses. A skin irritant. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. Combustible liquid. To fight fire, use water (may be used as a blanket), alcohol, foam, dry chemical. A strong reducing agent. Reacts violently with peroxyformic acid and other oxidizers. See also ALDEHYDES.

Chemical Synthesis

Natural benzaldehyde is obtained by extraction and subsequent fractional distillation from botanical sources; synthetically, from benzyl chloride and lime or by oxidation of toluene

職業ばく露

In manufacture of perfumes, dyes, and cinnamic acid; as solvent; in flavors.

応急処置

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.

貯蔵

Benzaldehyde should be kept stored in a tightly closed container and protected against physical damage. Storage of the chemical substance outside or in a detached area is preferred, whereas inside storage should be in a standard flammable liquids storage room or cabinet. Benzaldehyde should be kept separated from oxidizing materials. Also, storage and use areas should be no smoking areas. Containers of this material may be hazardous when empty since they retain product residues (vapors, liquid); observe all warnings and precautions listed for the product

輸送方法

UN1990 Benzaldehyde, Hazard class: 9; Labels: 9—Miscellaneous hazardous material.

純化方法

To diminish its rate of oxidation, benzaldehyde usually contains additives such as hydroquinone or catechol. It can be purified via its bisulfite addition compound but usually distillation (under nitrogen at reduced pressure) is sufficient. Prior to distillation it is washed with NaOH or 10% Na2CO3 (until no more CO2 is evolved), then with saturated Na2SO3 and H2O, followed by drying with CaSO4, MgSO4 or CaCl2. [Beilstein 7 IV 505.]

不和合性

The substance reacts with air, forming explosive peroxides. Reacts violently with performic acid, oxidants, aluminum, iron, bases, and phenol, causing fire and explosion hazard. May self-ignite if absorbed in combustible material with large surface area, or otherwise dispersed over large areas. Reacts with rust, amines, alkalies, strong bases, reducing agents such as hydrideds and active metals.

廃棄物の処理

Incineration; add combustible solvent and spray into incinerator with afterburner.

予防処置

Workers should be careful when using benzaldehyde because there is a risk of spontaneous combustion. It may ignite spontaneously if it is absorbed onto rags, cleaning cloths, clothing, sawdust, diatomaceous earth (kieselguhr), activated charcoal, or other materials with large surface areas in workplaces. Workers should avoid handling the chemical substance and should not cut, puncture, or weld on or near the container. Exposure of benzaldehyde to air, light, heat, hot surfaces such as hot pipes, sparks, open flames, and other ignition sources should be avoided. Workers should wear proper personal protective clothing and equipment

ベンズアルデヒド 上流と下流の製品情報

原材料

準備製品

rac-(R*)-α-ヒドロキシベンゼン酢酸 フラバノン 2-アミノ-5-クロロベンズヒドロール プロパフェノン·塩酸塩 trans-2-フェニル-1-シクロプロパンカルボン酸 ベンジルヒドラジン二塩酸塩 α-ヘキシルシンナムアルデヒド ジアベリジン ブリリアントブルーG 2,4,5-トリフェニルイミダゾール L-2-フェニルグリシン 3,4-ジクロロベンジルアミン ベンザルアセトン 5,5-ジフェニルヒダントイン 1-アミノ-4-メチルピペラジン二塩酸塩一水和物 α-アセトアミド桂皮酸 インドール-2-カルボン酸メチル N-エチル-N-[4-[[4-[エチル[[3-スルホフェニル]メチル]アミノ]フェニル](2-スルホナトフェニル)メチレン]-2,5-シクロヘキサジエン-1-イリデン]-3-スルホベンゼンメタンアミニウムジアンモニウム 4-フルオロ-α-(2-メチル-1-オキソ-プロピル)-γ-オキソ-N-β-ジフェニルベンゼン ブタンアミド N,N'-ジベンジルエチレンジアミンジアセタート ビス(ジベンジリデンアセトン) パラジウム(0) アストラゾンブリリアントレッド4G C.I.リアクティブブルー104 ニフェジピン エパルレスタット 4-(4-ヒドロキシフェニル)-3-ブテン-2-オン (2-フェニル-1,3-ジオキソラン-4-イル)メタノール 3,5-ジフェニル-1H-ピラゾール (R)-(+)-N-ベンジル-1-フェニルエチルアミン N,N'-ビスベンジリデンベンジジン ニトロブルーテトラゾリウム L-アルギニン/塩酸,(1:x) 2,3,5-トリフェニルテトラゾリウムクロリド トリス(ジベンジリデンアセトン)ジパラジウム(0)

ベンズアルデヒド 生産企業

Global( 398)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
Hefei TNJ Chemical Industry Co.,Ltd.
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100-52-7(ベンズアルデヒド)キーワード:


  • 100-52-7
  • Artifical essential oil of almond
  • Artificial Almond Oil
  • Artificial bitter almond oil
  • artificialalmondoil
  • Benzaldehyde FFC
  • benzaldehydeffc
  • Benzene carbaldehyde
  • Benzene methylal
  • benzenecarbaldehyde
  • Benzenecarboxaldehyde
  • benzenemethylal
  • Benzoyl hydride
  • Benzoylhydride
  • Benzyaldehyde
  • Ethereal oil of bitter almonds
  • NA 1989
  • NCI-C56133
  • Phenylmethanal benzenecarboxaldehyde
  • 4-Formylpolystyrene
  • Benzaldehyde 99+ %
  • Natural benzaldehyde
  • BENZALDEHYDE TECH
  • Acetic anhydride natural
  • BENZALDEHYDE, FREE OF CHLORINE
  • BENZALDEHYDE, REDISTILLED, 99.5+%
  • BENZALDEHYDE 98+% NATURAL FCC
  • BENZALDEHYDE 98+% FCC
  • BENZALDEHYDE, STANDARD FOR GC
  • BENZALDEHYDE, REAGENTPLUS, >=99%
  • BENZALDEHYDE EXTRA PURE
  • ベンズアルデヒド
  • ベンゼンカルボアルデヒド
  • 2-ホルミルベンゼン
  • アーモンド精油
  • 3-ホルミルベンゼン
  • 4-ホルミルベンゼン
  • ベンゼンカルボナール
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