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다이에틸아민

다이에틸아민
다이에틸아민 구조식 이미지
카스 번호:
109-89-7
한글명:
다이에틸아민
동의어(한글):
DEN;N-에틸-에타아민;N-에틸-에탄아민(N-ETHYL-ETHANAMINE)N,N-디에틸아민;덴;다이에틸아민;다이에틸아민(디에틸아민);디에타민;디에틸아민
상품명:
Diethylamine
동의어(영문):
DEA;detn;(C2H5)2NH;ai3-24215;Diethamine;Dietilamina;Diethylamin;Diaethylamin;DIETHYLAMINE;Dwuetyloamina
CBNumber:
CB5447259
분자식:
C4H11N
포뮬러 무게:
73.14
MOL 파일:
109-89-7.mol

다이에틸아민 속성

녹는점
-50 °C
끓는 점
55 °C(lit.)
밀도
0.707 g/mL at 25 °C(lit.)
증기 밀도
2.5 (vs air)
증기압
14.14 psi ( 55 °C)
굴절률
n20/D 1.385(lit.)
인화점
−20 °F
저장 조건
Store at RT
용해도
H2O: soluble1M at 20°C, clear, colorless
산도 계수 (pKa)
11.02(at 40℃)
물리적 상태
Liquid
색상
Clear colorless
상대극성
0.145
수소이온지수(pH)
13 (100g/l, H2O, 20℃)
냄새
Ammoniacal; sharp, fishy.
폭발한계
2.0-11.8%(V)
수용성
soluble
감도
Air Sensitive
Merck
14,3111
BRN
605268
안정성
Stable. Highly flammable. Incompatible with strong oxidizing agents.
CAS 데이터베이스
109-89-7(CAS DataBase Reference)
NIST
Ethanamine, N-ethyl-(109-89-7)
EPA
Ethanamine, N-ethyl-(109-89-7)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,C
위험 카페고리 넘버 11-20/21/22-35
안전지침서 16-26-29-36/37/39-45-3
유엔번호(UN No.) UN 1154 3/PG 2
WGK 독일 1
RTECS 번호 HZ8750000
F 고인화성물질 10-23
자연 발화 온도 594 °F
TSCA Yes
위험 등급 3
포장분류 II
HS 번호 29211990
유해 물질 데이터 109-89-7(Hazardous Substances Data)
독성 LD50 orally in rats: 540 mg/kg (Smyth)
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H225 고인화성 액체 및 증기 인화성 액체 구분 2 위험 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H311 피부와 접촉하면 유독함 급성 독성 물질 - 경피 구분 3 위험 P280, P302+P352, P312, P322, P361,P363, P405, P501
H312 피부와 접촉하면 유해함 급성 독성 물질 - 경피 구분 4 경고 P280,P302+P352, P312, P322, P363,P501
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H332 흡입하면 유해함 급성 독성 물질 흡입 구분 4 경고 P261, P271, P304+P340, P312
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
H371 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음(노출되어도 특정 표적장기 독성을 일으키지 않는다는 결정적인 노출경로가 있다면 노출경로를 기재) 특정 표적장기 독성 - 2회 노출 구분 2 경고 P260, P264, P270, P309+P311, P405,P501
H372 장기간 또는 반복 노출되면 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킴 특정 표적장기 독성 - 반복 노출 구분 1 위험 P260, P264, P270, P314, P501
H402 수생생물에 유해함 수생 환경유해성 물질 - 급성 구분 3
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P233 용기를 단단히 밀폐하시오. 용기는 환기가 잘 되는 곳에 단단히 밀폐하여 보관하시오.
P240 용기와 수용설비를 접지 및 접합시키시오.
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P270 이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.
P271 옥외 또는 환기가 잘 되는 곳에서만 취급하시오.
P273 환경으로 배출하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P370+P378 화재 시 불을 끄기 위해 (Section 5. 폭발, 화재시 대처방법의 적절한 소화제)을(를) 사용하시오.
P405 밀봉하여 저장하시오.
P403+P235 환기가 잘 되는 곳에 보관하고 저온으로 유지하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.

다이에틸아민 MSDS


DEA

다이에틸아민 C화학적 특성, 용도, 생산

개요

Diethylamine is a colourless, strongly alkaline, fish odour liquid, and highly inflammable. It has an ammonia-like odour and is completely soluble in water. On burning, diethylamine releases ammonia, carbon monoxide, carbon dioxide, and nitrogen oxides. It is incompatible with several chemical substances such as strong oxidisers, acids, cellulose nitrate, some metals, and dicyanofuroxan. N-nitrosamines, many of which are known to be potent carcinogens, may be formed when diethylamine comes in contact with nitrous acid, nitrates, or atmospheres with high nitrous oxide concentrations. The applications of Diethylamine are numerous. Diethylamine is used in the production of pesticides. It is used in a mixture for the production of DEET which goes into the repellents that are found readily in supermarkets for general use. Diethylamine is also mixed with other chemicals to form Diethylaminoethanole, which is used mainly as a corrosion inhibitor in water treatment facilities as well as production of dyes, rubber, resins, and pharmaceuticals. Diethylamine is also used in manufacture of basic chemicals and pharmaceuticals.

화학적 성질

Colorless liquid

화학적 성질

Diethylamine is a colorless, strongly alkaline, highly inflammable, liquid. It is completely soluble in water. On burning, diethylamine releases ammonia, carbon monoxide, carbon dioxide, and nitrogen oxides. It is incompatible with several chemical substances, such as strong oxidizers, acids, cellulose nitrate, some metals, and dicyanofuroxan. N-nitrosamines, many of which are known to be potent carcinogens, may be formed when diethylamine comes in contact with nitrous acid, nitrates, or atmospheres with high nitrous oxide concentrations. It has several applications in industries, such as organic synthesis of resins, as rubber accelerator, pharmaceuticals, pesticides, dyes, electroplating operations, and as a polymerization inhibitor.

화학적 성질

Diethylamine is a very strong base in aqueous solution (pKb = 3.0). Its chemistry is governed by the unshared electron pair on the nitrogen, thus it tends to react with acids to form salts.

출처

Diethylamine occurs in low concentrations in food and other biological materials. Concentrations (in p.p.m.) in fresh products include: spinach (15), apples (3), butterbeans (2.4), shelled peas (0.1), bean salad (1.5) and red cabbage (2.4) (HSDB 1989). Pickled vegetables contain 0-3.2 p.p.m. diethylamine while concentrations (in p.p.m.) in other materials include herring (0-5.2), barley (5.7), hops (3.1), boiled beef (2), tobacco leaf (0.1-35) and cigarette smoke concentrate (0-0.4). Interest in the occurrence of diethylamine in foods arises in part because of its possible formation of a carcinogenic N-nitroso derivative (Neurath et al 1977). Diethylamine has been reported in the exhaust from a gasoline engine (Hampton et al 1982).

생산 방법

Diethylamine is produced using the three methods also used for the manufacture of ethylamine with very slight modification. The most widely used method is the passing of ammonia and ethanol over a catalyst such as alumina or silica (Schweizer et al 1978). Diethylamine can be separated from the mixture by selective distillations and extractions. This secondary amine can also be produced by the other two methods which involve: 1) passing ammonia, ethanol, and hydrogen over a dehydrogenation catalyst; and 2) passing ammonia and an aldehyde or ketone and hydrogen over a hydrogenation catalyst. U.S. production in 1984 is estimated at 19.7 million pounds (HSDB 1989).

정의

ChEBI: A secondary aliphatic amine where both N-substituents are ethyl.

일반 설명

A clear colorless liquid with an ammonia-like odor. Density 5.9 lb / gal. Flash point -15°F. A respiratory irritant. Corrosive to the eyes and skin. Vapors heavier than air. Toxic oxides of nitrogen produced during combustion.

공기와 물의 반응

Highly flammable. Soluble in water. Sensitive to heat. May be sensitive to prolonged exposure to air.

반응 프로필

Diethylamine is a colourless, strongly alkaline, fish odour liquid, and highly inflammable. It has an ammonia-like odour and is completely soluble in water.Causes ignition on contact with cellulose nitrate. Explodes on contact with dicyanofurazan or dicyanofuroxan. Attacks some forms of plastics, rubber and coatings.
On burning, diethylamine releases ammonia, carbon monoxide, carbon dioxide, and nitrogen oxides. It is incompatible with several chemical substances such as strong oxidisers, acids, cellulose nitrate, some metals, and dicyanofuroxan. N-nitrosamines, many of which are known to be potent carcinogens, may be formed when diethylamine comes in contact with nitrous acid, nitrates, or atmospheres with high nitrous oxide concentrations.

건강위험

Irritation and burning of eyes, skin, and respiratory system. High concentration of vapor can cause asphyxiation.

건강위험

Exposures to diethylamine cause adverse health effects. The symptoms of toxicity include irritation of skin, eyes, and mucous membrane. The acute oral LD50 and acute dermal LD50 in rats and rabbits are 540 and 580 mg/kg, respectively, and the acute inhalation LC50 (4 h) in rats is 4000 ppm. The pathomorphological changes caused by diethylamine include lungs, liver, and kidneys, cellular infi ltration, bronchopneumonia, parenchymatous degeneration, and nephritis.

건강위험

Diethylamine can be harmful if it is inhaled, swallowed, or in contact with skin. Vapors can irritate the eyes and cause irritation of the respiratory tract, leading to coughing and chest pain. Liquid diethylamine can cause severe burns to the eyes and skin. Vision became misty and halos appeared several hours after workmen were exposed to the vapors of amines such as diethylamine (Grant 1986). The edema of the corneal epithelium, which is principally responsible for the disturbances in vision, clears after one or more days, depending on the severity of exposure. Photophobia and discomfort from roughness of the corneal surface also can occur after greater exposure to the amine.

화재위험

Flash Point (°F): 5 ℃; Flammable Limits in Air (%): 1.8-9.1; Fire Extinguishing Agents: Dry chemical, carbon dioxide, or alcohol foam; Fire Extinguishing Agents Not To Be Used: Data not available; Special Hazards of Combustion Products: Vapors are irritating; Behavior in Fire: Vapors are heavier than air and may travel considerable distance to a source of ignition and flash back; Ignition Temperature (°F): 594; Electrical Hazard: Data not available; Burning Rate: 6.7 mm/min.

화학 반응

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

공업 용도

Diethylamine, like many of the other short chain aliphatic amines, has achieved widespread industrial use as an intermediate in the manufacture of a number of commercial products. Among these are included insecticides, pharmaceuticals, textile finishing agents, and corrosion inhibitors (Hawley 1981; Schweizer et al 1978). It is used as a polymerization inhibitor and/or catalyst in the polymer industry and in the manufacture of surfactants and rubber processing accelerators. This amine also is useful as a depilatory agent for animal skins, as a selective solvent for the removal of impurities from oils, fats, and waxes, and as a flotation agent in the petroleum industry (NIOSH/OSHA 1981; HSDB 1989).

Safety Profile

Moderately toxic by ingestion, inhalation, and skin contact. A skin and severe eye irritant. Exposure to strong vapor can cause severe cough and chest pains. Contact with liquid can damage eyes, possibly permanently; contact with skin causes necrosis and vesciculation. A very dangerous fire hazard when exposed to heat, flame, or oxidizers. To fight fire, use alcohol foam, CO2, dry chemical. Explodes on contact with dicyanofurazan. Violent reaction with sulfuric acid. Ignites on contact with cellulose nitrate of sufficiently high surface area. When heated to decomposition it emits toxic fumes of NOx. See also MINES.

신진 대사

Little information is available regarding the metabolism of diethylamine. The amine can be readily absorbed from the respiratory and gastrointestinal tract. It has been reported that following oral administration of diethylamine hydrochloride to humans, much of the amine was recovered in the urine (Beard and Noe 1978). This suggests that it is not readily metabolized and, therefore, may not be a substrate for monoamine oxidase. When administered intraperitoneally to rats, it was moderately inhibitory with respect to liver monoamine oxidase (Valiev 1974). Diethylamine may serve as a precursor for the formation of the reportedly carcinogenic N-nitrosoamines and, indeed, when a diethylamine containing liquid was examined for nitrosation reactions under simulated conditions of the human stomach, N-nitrosodiethylamine was formed (Ziebarth 1985).

저장

Diethylamine should be protected from physical damage. It should be kept stored in a cool, dry, well-ventilated location, away from incompatible chemical substances and away from fi re hazard and smoking areas. The containers should be bonded and grounded for transfer to avoid static sparks. Storage and use areas should be no smoking areas.

Purification Methods

Dry diethylamine with LiAlH4 or KOH pellets. Reflux with, and distil it from, BaO or KOH. Convert it to the p-toluenesulfonamide and crystallise to constant melting point from dry pet ether (b 90-120o), then hydrolyse with HCl, excess NaOH is added, and the amine is passed through a column of activated alumina. Redistil the amine and dry it with activated alumina before use [Swift J Am Chem Soc 64 115 1942]. [Beilstein 4 III 313.] § A polystyrene diethylaminomethyl supported version is commercially available.

주의 사항

Occupational workers and users should be very careful during the use and chemical management of diethylamine. Workers should wear impervious protective clothing, including boots, gloves, a laboratory coat, apron or coveralls, as appropriate, to prevent skin contact. The chemical is very hazardous, corrosive, and harmful, and is a very flammable liquid and vapor. Exposures to vapor may cause fl ash fi re. It causes burns and adverse effects to the cardiovascular system. Workers should use chemical safety goggles and a full-face shield to avoid splashing of the chemical substance. An eye-wash fountain and quickdrench facilities in the work area should be maintained by the chemical management unit.

다이에틸아민 준비 용품 및 원자재

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