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이뷰틸 에테르

이뷰틸 에테르
이뷰틸 에테르 구조식 이미지
카스 번호:
142-96-1
한글명:
이뷰틸 에테르
동의어(한글):
다이뷰틸에테르;1,1-옥시-비스부탄;1-부톡시부탄;N-디부틸에테르;N-부틸에테르;대부틸산화물부탄;디부틸에테르;이뷰틸에테르;디-N-부틸에테르;1,1'-옥시-비스부탄;부틸에테르;1-부톡시부탄;부;이뷰틸에테르;다이뷰틸 에테르
상품명:
Di-n-butyl ether
동의어(영문):
NBE;(n-C4H9)2O;butyloxide;BUTYL ETHER;5-Oxanonane;Butyl oxide;butylethers;Dibutyl BHT;DIBUTYL OXIDE;DIBUTYL ETHER
CBNumber:
CB2775063
분자식:
C8H18O
포뮬러 무게:
130.23
MOL 파일:
142-96-1.mol

이뷰틸 에테르 속성

녹는점
-98 °C (lit.)
끓는 점
142-143 °C (lit.)
밀도
0.764 g/mL at 25 °C (lit.)
증기 밀도
4.48 (vs air)
증기압
4.8 mm Hg ( 20 °C)
굴절률
n20/D 1.399(lit.)
인화점
77 °F
저장 조건
Store at <= 20°C.
용해도
H2O: soluble0.113g/L at 20°C
물리적 상태
Liquid
색상
Clear colorless
수소이온지수(pH)
5.2 (0.2g/l, H2O, 20℃)
상대극성
1.7
냄새
Mild, ether-like.
pH 범위
5.2
폭발한계
0.9-8.5%(V)
수용성
0.03 g/100 mL (20 ºC)
Merck
14,1569
BRN
1732752
안정성
Stable. Flammable. May form peroxides in storage. Incompatible with strong oxidizing agents.
InChIKey
DURPTKYDGMDSBL-UHFFFAOYSA-N
CAS 데이터베이스
142-96-1(CAS DataBase Reference)
NIST
n-Butyl ether(142-96-1)
EPA
Butyl ether (142-96-1)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xi
위험 카페고리 넘버 10-36/37/38-52/53
안전지침서 61-24/25
유엔번호(UN No.) UN 1149 3/PG 3
WGK 독일 2
RTECS 번호 EK5425000
자연 발화 온도 365 °F
위험 참고 사항 Irritant
TSCA Yes
위험 등급 3
포장분류 III
HS 번호 29091990
유해 물질 데이터 142-96-1(Hazardous Substances Data)
독성 LD50 orally in rats: 7.4 g/kg (Smyth)
기존화학 물질 KE-27683
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H226 인화성 액체 및 증기 인화성 액체 구분 3 경고
H303 삼키면 유해할 수 있음 급성 독성 물질 - 경구 구분 5 P312
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 P264, P280, P302+P352, P321,P332+P313, P362
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
H336 졸음 또는 현기증을 일으킬 수 있음 특정표적장기 독성 물질(1회 노출);마취작용 구분 3 경고 P261, P271, P304+P340, P312,P403+P233, P405, P501
H370 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킴(노출되어도 특정 표적장기 독성을 일으키지 않는다는 결정적인 노출경로가 있다면 노출경로를 기재) 특정 표적장기 독성 - 1회 노출 구분 1 위험 P260, P264, P270, P307+P311, P321,P405, P501
H402 수생생물에 유해함 수생 환경유해성 물질 - 급성 구분 3
H412 장기적 영향에 의해 수생생물에 유해함 수생 환경유해성 물질 - 만성 구분 3 P273, P501
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.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
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.
P307+P311 노출된 경우,독성 물질 센터 또는 의사에게 전화하기
P337+P313 눈에 대한 자극이 지속되면 의학적인 조치· 조언를 구하시오.
P370+P378 화재 시 불을 끄기 위해 (Section 5. 폭발, 화재시 대처방법의 적절한 소화제)을(를) 사용하시오.
P405 밀봉하여 저장하시오.
P403+P233 용기는 환기가 잘 되는 곳에 단단히 밀폐하여 저장하시오.
P403+P235 환기가 잘 되는 곳에 보관하고 저온으로 유지하시오.
P501 ...에 내용물 / 용기를 폐기 하시오.
NFPA 704
3
1 1

이뷰틸 에테르 C화학적 특성, 용도, 생산

개요

Butyl ether (dibutyl ether) is a colorless, stable liquid, with a mild ether-like odor. It is immiscible with water, with a specific gravity of 0.8, which is lighter than water. Butyl ether is a moderate fire risk and will form explosive peroxides on aging. Flammable range is 1.5%–7.6% in air, with a boiling point of 286°F (141°C) and a flash point of 77°F (25°C). Ignition temperature is 382°F (194°C), and the vapor density is 4.5, which is heavier than air. In addition to flammability, butyl ether is toxic on prolonged inhalation. The four-digit UN identification number is 1149. The NFPA 704 designation is health 2, flammability 3, and reactivity 1. The primary use is as a solvent.

화학적 성질

Di-n-butyl ether is colourless liquid with ether-like odour

화학적 성질

Di-n-butyl ether is a flammable, colorless liquid with a mild, ethereal odor.

용도

Butyl ether is used mainly as a solvent for organic materials such as resins, oils, hydrocarbons, esters, gums, and alkaloids. It is also used as an extracting agent in metal separation, as a reacting medium in organic synthesis processes, and as a solvent in teaching, research and analytical laboratories.

용도

Solvent for hydrocarbons, fatty materials; extracting agent used especially for separating met- als, solvent purification, organic synthesis (reaction medium).

일반 설명

Di-n-butyl ether is a  clear colorless liquid with an ethereal odor. Flash point below 141°F. Less dense than water and insoluble in water. Vapors heavier than air. Irritates the eyes, nose, throat, and respiratory tract.

공기와 물의 반응

Highly flammable. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick 1979 p.151-154, 164]. A mixture of liquid air and diethyl ether exploded spontaneously [MCA Case History 616 1960]. Insoluble in water.

반응 프로필

Ethers, such as BUTYL ETHER can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.

위험도

Toxic on prolonged inhalation. Flammable, moderate fire risk. May form explosive peroxides, especially in anhydrous form.

건강위험

Inhalation causes irritation of nose and throat. Liquid irritates eyes and may irritate skin on prolonged contact. Ingestion causes irritation of mouth and stomach.

화재위험

Behavior in Fire: Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.

화학 반응

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

공업 용도

n-Butyl ether is used in synthesis reactions that require an anhydrous, inert solvent. This ether is a valuable extraction solvent for aqueous solutions because of its low water solubility. n-Butyl ether when mixed with ethanol or butanol is an excellent solvent for ethyl cellulose.

Safety Profile

Mildly toxic by inhalation, ingestion, and skin contact. Human systemic effects by inhalation: conjunctiva irritation and unspecified nasal effects. An experimental skin and human eye irritant. See also ETHERS. Dangerous fire hazard when exposed to heat, flame, oroxidizers. Incompatible with NCL and oxidizing materials. To fight fire, use alcohol foam, dry chemical. When heated to decomposition it emits acrid smoke and fumes.

잠재적 노출

Di-n-butyl ether is used as a solvent for hydrocarbons, fatty materials; extracting agent in used metals separation; solvent purification, making other chemicals. Incompatibilities: May form explosive mixture with air. May accumulate static electrical charges, and may cause ignition of its vapors. Incompatible with strong acids; oxidizers. Contact with air or light may form unstable and explosive peroxides, especially anhydrous form.

환경귀착

Butyl ether has the ability to dissolve lipids. As a result, it causes irritation and pain on contact with the eyes and nasal mucosa. It also causes dermal irritation and dermatitis on contact with the skin. Damage caused by butyl ether appears to be scattered loss of epithelial cells due to solution of phospholipid cell membranes. At the central nervous system (CNS) level, butyl ether, like other volatile organic solvents, depresses the CNS by dissolving in the lipid membrane of the cells and disrupting the lipid matrix. These effects are known as membrane fluidization. At the molecular level, membrane fluidization disrupts solute gradient homeostasis, which is essential for cell function.

운송 방법

UN1149 Butyl ethers & Dibutyl ethers, Hazard Class: 3; Labels: 3—Flammable liquid

Purification Methods

Peroxides (detected by the liberation of iodine from weakly acid HCl solutions of 2% KI) can be removed by shaking 1L of ether with 5-10mL of a solution comprising of 6.0g of ferrous sulfate and 6mL conc H2SO4 and 110mL of water, with aqueous Na2SO3, or with acidified NaI, water, then aqueous Na2S2O3. After washing with dilute NaOH, KOH, or Na2CO3, then water, the ether is dried with CaCl2 and distilled. It can be further dried by distillation from CaH2 or Na (after drying with P2O5), and stored in the dark with Na or NaH. The ether can also be purified by treating with CS2 and NaOH, expelling the excess sulfide by heating. The ether is then washed with water, dried with NaOH and distilled [Kusama & Koike J Chem Soc Jpn, Pure Chem Sect 72 229 1951]. Other purification procedures include passage through an activated alumina column to remove peroxides, or through a column of silica gel, and distillation after adding about 3% (v/v) of a 1M solution of MeMgI in n-butyl ether. [Beilstein 1 IV 1520.]

Toxicity evaluation

Production of butyl ether and its use as an extracting agent and a solvent may result in its release to the environment through various waste streams. If released to air, a vapor pressure of 6.0 mmHg at 25°C indicates that butyl ether will exist solely as a vapor in the ambient atmosphere. Vaporphase butyl ether reacts in the atmosphere with hydroxyl radicals; the half-life for this reaction in air has been estimated to be 13 h. Direct photolysis is not expected to be an important removal process since aliphatic ethers do not absorb light in the environmental spectrum. If released to soil, butyl ether is expected to have high mobility based on its estimated adsorption coefficient (Koc) of 51. Volatilization from moist soil surfaces may be an important fate process based on its reported Henry’s law constant of 6.0×10-3 atm m3 mol-1. Butyl ether is expected to volatilize from dry soil surfaces based on its reported vapor pressure. If released into water, butyl ether is not expected to adsorb to suspended solids and sediment in water based on its Koc. Aqueous screening studies indicate biodegradation may be an important fate process in both soil and water; for example, butyl ether reached 3–4% of its theoretical biological oxygen demand (BOD) over 4 weeks using an activated sludge seed. Volatilization from water surfaces is expected to occur based on this compound’s estimated Henry’s law constant. Estimated volatilization half-lives for a model river and model lake have been reported to be 3.5 h and 4.6 days, respectively. Bioconcentration factors (BCFs) ranging from 30 to 114 in carp suggest that bioconcentration in aquatic organisms is moderate to high. Butyl ether is not expected to undergo hydrolysis in the environment due to the lack of hydrolyzable functional groups.

폐기물 처리

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

이뷰틸 에테르 준비 용품 및 원자재

원자재

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