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도데칸

도데칸
도데칸 구조식 이미지
카스 번호:
112-40-3
한글명:
도데칸
동의어(한글):
N-도데칸;노르말도데칸;도데칸;디헥실
상품명:
Dodecane
동의어(영문):
Dodecan;BIHEXYL;DIHEXYL;DODECANE;n-dodecan;n-Bihexyl;DUODECANE;ALKANE C12;ADAKANE 12;N-DODECANE
CBNumber:
CB5678167
분자식:
C12H26
포뮬러 무게:
170.33
MOL 파일:
112-40-3.mol

도데칸 속성

녹는점
−9.6 °C(lit.)
끓는 점
215-217 °C(lit.)
밀도
0.75 g/mL at 25 °C(lit.)
증기 밀도
5.96 (vs air)
증기압
1 mm Hg ( 47.8 °C)
굴절률
n20/D 1.421(lit.)
인화점
181.4 °F
저장 조건
Store below +30°C.
용해도
Soluble in acetone, alcohol, chloroform, ether (Weast, 1986), and many hydrocarbons
산도 계수 (pKa)
>14 (Schwarzenbach et al., 1993)
물리적 상태
Liquid
Specific Gravity
0.749 (20/4℃)
색상
Colorless
폭발한계
0.6%(V)
수용성
<0.1 g/100 mL at 25 ºC
BRN
1697175
Henry's Law Constant
29.7(atm?m3/mol) at 25 °C (calculated from water solubility and vapor pressure, Tolls et al., 2002) Interfacial tension
CAS 데이터베이스
112-40-3(CAS DataBase Reference)
NIST
n-Dodecane(112-40-3)
EPA
Dodecane(112-40-3)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn
위험 카페고리 넘버 65-66
안전지침서 62-60-36
유엔번호(UN No.) NA 1993 / PGIII
WGK 독일 3
RTECS 번호 JR2125000
자연 발화 온도 401 °F
TSCA Yes
HS 번호 29011090
유해 물질 데이터 112-40-3(Hazardous Substances Data)
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H227 가연성 액체 인화성 액체 구분 4 경고 P210, P280, P370+P378, P403+P235,P501
H304 삼켜서 기도로 유입되면 치명적일 수 있음 흡인 유해성물질 구분 1 위험
예방조치문구:
P210 열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P331 토하게 하지 마시오.
P301+P310 삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.
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.

도데칸 MSDS


Dodecane

도데칸 C화학적 특성, 용도, 생산

화학적 성질

colourless liquid

물리적 성질

Clear, colorless liquid with a mild aliphatic hydrocarbon odor. An odor threshold concentration of 620 ppbv was reported by Nagata and Takeuchi (1990).

용도

Solvent; jet fuel research; rubber industry; manufacturing paraffin products; paper processing industry; standardized hydrocarbon; distillation chaser; gasoline component; organic synthesis.

정의

ChEBI: A straight-chain alkane with 12 carbon atoms. It has been form the essential oils of various plants including Zingiber officinale (ginger).

일반 설명

Clear colorless liquid.

공기와 물의 반응

Flammable. Insoluble in water.

반응 프로필

Saturated aliphatic hydrocarbons, such as Dodecane, may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. When heated sufficiently or when ignited in the presence of air, oxygen or strong oxidizing agents, they burn exothermically to produce carbon dioxide and water.

화재위험

Dodecane is combustible.

Source

Constituent in paraffin fraction of petroleum. Dodecane may be present in stormwater runoff from asphalted roadways and general use of petroleum oils and tars (quoted, Verschueren). Schauer et al. (1999) reported dodecane in diesel fuel at a concentration of 15,500 μg/g and in a diesel-powered medium-duty truck exhaust at an emission rate of 503 μg/kg.
California Phase II reformulated gasoline contained dodecane at a concentration of 136 mg/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 83.9 and 1,770 μg/km, respectively (Schauer et al., 2002).
Identified as one of 140 volatile constituents in used soybean oils collected from a processing plant that fried various beef, chicken, and veal products (Takeoka et al., 1996). Also identified among 139 volatile compounds identified in cantaloupe (Cucumis melo var. reticulates cv. Sol Real) using an automated rapid headspace solid phase microextraction method (Beaulieu and Grimm, 2001).

환경귀착

Biological. Dodecane may biodegrade in two ways. The first is the formation of dodecyl hydroperoxide which decomposes to 1-dodecanol. The alcohol is oxidized forming dodecanoic acid. The other pathway involves dehydrogenation to 1-dodecene, which may react with water, giving 1-dodecanol (Dugan, 1972).
Estimated half-lives of dodecane (0.3 μg/L) from an experimental marine mesocosm during the spring (8–16 °C), summer (20–22 °C), and winter (3–7 °C) were 1.1, 0.7, and 3.6 d, respectively (Wakeham et al., 1983).
Chemical/Physical. Complete combustion in air yields carbon dioxide and water. Dodecane will not hydrolyze because it has no hydrolyzable functional group.

Purification Methods

Pass it through a column of Linde type 13X molecular sieves. Store it in contact with, and distil it from sodium. Pass through a column of activated silica gel. It has been crystallised from diethyl ether at -60o. Unsaturated dry material which remained after passage through silica gel has been removed by catalytic hydrogenation (Pt2O) at 45lb/in2 (3.06 atmospheres), followed by fractional distillation under reduced pressure [Zook & Goldey J Am Chem Soc 75 3975 1953]. It has also purified by partial crystallisation from the melt. [Beilstein 1 IV 498.]

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