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이소프로필에테르

이소프로필에테르
이소프로필에테르 구조식 이미지
카스 번호:
108-20-3
한글명:
이소프로필에테르
동의어(한글):
이소프로필에테르;디이소프로필산화물;디이소프로필에테르;2,2-옥시비스프로판;2-이소프로폭시프로판;디이소프로필옥시드;비스(이소프로필)에테르;프로판,2,2$$@@-옥시비스-;이소프로필에테르
상품명:
Isopropyl ether
동의어(영문):
DIPE;(iso-C3H7)2O;Isoprpyl ether;Isopropyl ethe;Diisopropyleth;Isopropyl oxide;ether,isopropyl;ISOPROPYL ETHER;Diisoproyl ether;diisopropyloxide
CBNumber:
CB8852739
분자식:
C6H14O
포뮬러 무게:
102.17
MOL 파일:
108-20-3.mol

이소프로필에테르 속성

녹는점
-85.5 °C
끓는 점
68-69 °C(lit.)
밀도
0.725 g/mL at 25 °C(lit.)
증기 밀도
3.5 (vs air)
증기압
120 mm Hg ( 20 °C)
굴절률
n20/D 1.367(lit.)
인화점
−29 °F
저장 조건
Flammables area
용해도
3.11g/l
물리적 상태
Liquid
색상
APHA: ≤25
상대극성
2.2
냄새
Sweet, slightly sharp; characteristic pungent; ethereal; like amphor and ethyl ether.
폭발한계
1-21%, 100°F
수용성
9 g/L (20 ºC)
Merck
14,5212
BRN
1731256
Henry's Law Constant
2.57 at 25 °C (headspace-GC, Arp and Schmidt, 2004)
노출 한도
TLV-TWA 1045 mg/m3 (250 ppm) (ACGIH), 2090 mg/m3 (500 ppm) (OSHA); STEL 1300 mg/m3 (310 ppm) (ACGIH).
안정성
Stability Extremely flammable. This material is a serious fire and explosion risk. Vapour may travel considerable distances to an ignition source, which need not be an open flame, but may be a hot plate, steam pipe, etc. Vapour may be ignited by the static electricty which can build up when isopropyl ether is being poured from one vessel
CAS 데이터베이스
108-20-3(CAS DataBase Reference)
NIST
Diisopropyl ether(108-20-3)
EPA
Propane, 2,2'-oxybis-(108-20-3)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F
위험 카페고리 넘버 11-19-66-67-52/53
안전지침서 9-16-29-33-61
유엔번호(UN No.) UN 1159 3/PG 2
WGK 독일 1
RTECS 번호 TZ5425000
F 고인화성물질 10
자연 발화 온도 827 °F
HS 번호 2909 19 90
위험 등급 3
포장분류 II
유해 물질 데이터 108-20-3(Hazardous Substances Data)
독성 LD50 in 14 day old, young adult, adult rats (ml/kg): 6.4, 16.5, 16.0 orally (Kimura)
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
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
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P370+P378 화재 시 불을 끄기 위해 (Section 5. 폭발, 화재시 대처방법의 적절한 소화제)을(를) 사용하시오.
P403+P235 환기가 잘 되는 곳에 보관하고 저온으로 유지하시오.

이소프로필에테르 C화학적 특성, 용도, 생산

화학적 성질

colourless liquid

물리적 성질

Clear, colorless, volatile, flammable liquid with a penetrating, sweet, ether-like odor. Experimentally determined detection and recognition odor threshold concentrations were 70 μg/m3 (17 ppbv) and 220 μg/m3 (53 ppbv), respectively (Hellman and Small, 1974).

용도

Isopropyl ether is used as a solvent for oils,waxes, resins, and dyes; and as a varnishremover.

용도

As solvent; fuel additive.

일반 설명

A clear colorless liquid with an ethereal odor. Flash point -18°F. Less dense than water. Vapors heavier than air.

공기와 물의 반응

Highly flammable. Slightly soluble in water. Form explosive peroxide in storage. A flask of Isopropyl ether was heated on a steam bath with gentle shaking when an explosion occurred. In a second instance, an explosion occurred after practically all the ether had been distilled, [MCA Guide for Safety(1972)].

반응 프로필

Ethers, such as Isopropyl 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. Mixing Isopropyl ether in equal molar portions with any of the following substances in a closed container caused the temperature and pressure to increase: chlorosulfonic acid, nitric acid, [NFPA 1991].

위험도

Flammable, dangerous fire risk, explosive limits in air 1.4–21%. Toxic by inhalation, strong irritant.

건강위험

Inhalation causes anesthesia, nausea, headache, dizziness, and irritation of the eyes and nose. Contact of liquid with eyes causes only minor injury; repeated contact with skin will remove natural oils and may cause dermatitis.

건강위험

Isopropyl ether is a narcotic and an irritant tothe skin and mucous membranes. It is moretoxic than ethyl ether and the toxic symptomsare similar to the latter compound. Inhalationof its vapors can produce anesthetic effects.Exposure to high concentrations can causeintoxication, respiratory arrest, and death.Exposure to 3.14% and 2.9% of isopropylether in air (by volume) produced the symp toms of somnolence, change in motor activ ity, and muscle contractions in mice andrabbits, respectively, causing the death of50% of test animals. Exposure to 7–10% byvolume concentration in air can be fatal tohumans
Acute oral toxicity of isopropyl ether islow. The liquid is irritating to the mucousmembranes. Skin contact may cause mildirritation, and repeated exposure may causedermatitis. The irritation effect of isopropylether on eyes is mild. In humans, exposureto 800 ppm in air for a few minutes causedirritation of the eyes and nose. There is noreport of its carcinogenic action in animalsor humans.

화재위험

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

화학 반응

Reactivity with Water: No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Unstable peroxides may form if the product contacts air for long time periods. These may explode spontaneously or when heated; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

공업 용도

Isopropyl ether is a solvent of minor importance since its boiling point is intermediate between the two widely used solvents diethyl ether and acetone. Hazardous peroxides are formed more readily in isopropyl ether than in other dialkyl ethers.

Source

Some unleaded gasoline may contain isopropyl ether and other oxygenates as an octane booster and to prevent engine knock.

환경귀착

Biological. Bridié et al. (1979) reported BOD and COD values of 0.19 and 1.75 g/g using filtered effluent from a biological sanitary waste treatment plant. These values were determined using a standard dilution method at 20 °C and stirred for a period of 5 d. The ThOD for isopropyl ether is 2.82 g/g.
Chemical/Physical. May form explosive peroxides on standing with air (NIOSH, 1997). At an influent concentration of 1,018 mg/L, treatment with GAC resulted in an effluent concentration of 203 mg/L. The adsorbability of the GAC used was 162 mg/g carbon (Guisti et al., 1974).
Isopropyl will not hydrolyze in water except at elevated temperatures and low pH.

저장

Isopropyl ether is stored in a flammable-liquids storage room, isolated from combustible and oxidizing materials. It shouldalso be protected from direct sunlight, staticelectricity, and lightning. It is stabilized with0.01% hydroquinone or p-benzylaminphenol.The ether is shipped in amber glass bottles,steel cans, and drums.

Purification Methods

Common impurities are water and peroxides [detected by the liberation of iodine from weakly acid (HCl) solutions of 2% KI]. Peroxides can be removed by shaking with aqueous Na2SO3 or with acidified ferrous sulfate (0.6g FeSO4 and 6mL conc H2SO4 in 110mL of water, using 5-10g of solution per L of ether), or aqueous NaBH4 solution. The ether is then washed with water, dried with CaCl2 and distilled. Alternatively, refluxing with LiAlH4 or CaH2, or drying with CaSO4, then passage through an activated alumina column, can be used to remove water and peroxides. Other dehydrating agents used with isopropyl ether include P2O5, sodium amalgam and sodium wire. (The ether is often stored in brown bottles, or in the dark, with sodium wire.) Bonner and Goishi (J Am Chem Soc 83 85 1961) treated isopropyl ether with dilute sodium dichromate/sulfuric acid solution, followed by repeated shaking with a 1:1 mixture of 6M NaOH and saturated KMnO4. The ether is washed several times with water, dilute aqueous HCl, and water, with a final washing with, and storage over, ferrous ammonium sulfate acidified with H2SO4. Blaustein and Gryder (J Am Chem Soc 79 540 1957), after washing with alkaline KMnO4, then water, treated the ether with ceric nitrate in nitric acid, and again washed it with water. Hydroquinone is added before drying with CaCl2 and MgSO4, and refluxing with sodium amalgam (108g Hg/100g Na) for 2hours under nitrogen. The distillate (nitrogen atmosphere) is made 2 x 10-5M in hydroquinone to inhibit formation of peroxides (which is negligible if the ether is stored in the dark). Catechol (pyrocatechol) and resorcinol are alternative inhibitors. [Beilstein 1 IV 1471.]

폐기물 처리

Isopropyl ether is burned in a chemicalincinerator equipped with an afterburner andscrubber. A small amount of ether, if free ofperoxides, can be evaporated in a fume hoodin the absence of any open flame or sourceof ignition nearby.

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