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노르말헥산

노르말헥산
노르말헥산 구조식 이미지
카스 번호:
110-54-3
한글명:
노르말헥산
동의어(한글):
헥산;노르말헥산;노말헥세인;메틸(2-)펜탄;헥산95%;헥산98%;헥산99%;헥산(HEXANE);N-헥산;헥산;헥실수소화물;노말헥산;N-헥세인;노멀 헥세인
상품명:
Hexane
동의어(영문):
Esani;OXFORD;Heksan;HEXANE;Hexanen;n-C6H14;n-Hexan;HEXANES;dipropyl;Bipropyl
CBNumber:
CB1852811
분자식:
C6H14
포뮬러 무게:
86.18
MOL 파일:
110-54-3.mol

노르말헥산 속성

녹는점
-95 °C
끓는 점
68.95 °C(lit.)
밀도
0.659 g/mL at 25 °C(lit.)
증기 밀도
3.5 (vs air)
증기압
40 mm Hg ( 20 °C)
굴절률
n20/D 1.388
인화점
30 °F
저장 조건
Store at RT.
용해도
Very soluble in ethanol, ethyl ether and chloroform.
산도 계수 (pKa)
>14 (Schwarzenbach et al., 1993)
물리적 상태
Liquid
색상
Colorless
Specific Gravity
0.660 (20/4℃)
상대극성
0.009
냄새
Mild gasoline-like odor detectable at 65 to 248 ppm
Odor Threshold
1.5ppm
폭발한계
1.0-8.1%(V)
수용성
insoluble
최대 파장(λmax)
λ: 200 nm Amax: ≤0.70
λ: 225 nm Amax: ≤0.10
λ: 250 nm Amax: ≤0.01
Merck
14,4694
BRN
1730733
Henry's Law Constant
0.238, 0.413, 0.883, 0.768, and 1.56 at 10, 15, 20, 25, and 30 °C, respectively (EPICS, Ashworth et al., 1988)
노출 한도
TLV-TWA 50 ppm (~175 mg/m3) (ACGIH), 500 ppm (~1750 mg/m3) (OSHA); IDLH 5000 ppm (NIOSH).
안정성
Stable. Incompatible with oxidizing agents, chlorine, fluorine, magnesium perchlorate. Highly flammable. Readily forms explosive mixtures with air. Note low flash point.
InChIKey
VLKZOEOYAKHREP-UHFFFAOYSA-N
CAS 데이터베이스
110-54-3(CAS DataBase Reference)
NIST
Hexane(110-54-3)
EPA
Hexane (110-54-3)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 F,Xn,N
위험 카페고리 넘버 11-38-50/53-65-67-62-51/53-48/20-36/37/38
안전지침서 9-16-29-33-60-61-62-36/37-45-36/37/39-53-26
유엔번호(UN No.) UN 3295 3/PG 2
WGK 독일 3
RTECS 번호 MN9275000
F 고인화성물질 3-10
자연 발화 온도 225 °C
TSCA Yes
위험 등급 3
포장분류 II
HS 번호 29011000
유해 물질 데이터 110-54-3(Hazardous Substances Data)
독성 LC50 (4 hr) in mice by inhalation: 48000 ppm; LD50 orally in rats: 32.0 g/kg (Couri, Milks)
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
H304 삼켜서 기도로 유입되면 치명적일 수 있음 흡인 유해성물질 구분 1 위험
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
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
H361 태아 또는 생식능력에 손상을 일으킬 것으로 의심됨 생식독성 물질 구분 2 경고 P201, P202, P281, P308+P313, 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
H373 장기간 또는 반복 노출되면 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음 특정 표적장기 독성 - 반복 노출 구분 2 경고 P260, P314, P501
H401 수생생물에 유독함 수생 환경유해성 물질 - 급성 구분 2 P273, P501
H411 장기적 영향에 의해 수생생물에 유독함 수생 환경유해성 물질 - 만성 구분 2
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P202 모든 안전 조치 문구를 읽고 이해하기 전에는 취급하지 마시오.
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.
P281 요구되는 개인 보호구를 착용하시오
P331 토하게 하지 마시오.
P301+P310 삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P308+P313 노출 또는 접촉이 우려되면 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.
NFPA 704
3
0

노르말헥산 C화학적 특성, 용도, 생산

물성

헥 산 휘발유 처럼 냄새를 가진 무색 액체 이다. 안정적인 합니다. 에이전트, 염소, 불 소, 마그네슘 과염소산염을 산화와 함께 호환 되지 않습니다. 가연성. 쉽게 공기를 가진 폭발성 혼합물을 형성 한다. 참고 낮은 플래시 포인트.

용도

1.유기 합성;
2.입니다. 용 매가 식물 기름 추출;
3.추출 에이전트, 화학 시 약.

포장, 보관 및 운송

페인트 드럼 또는 유조선 포장으로 밀봉. 스토리지 건조 하 고 차가운 장소에 배치 되어야 합니다, 그리고 창 고 가수분해를 방지 하기 위해 물과의 접촉을 피하기 위해 환기 시설이 있어야 합니다. 교통도로 철도에 위험한 화학 물질의 수송에 중화 인민 공화국의 규정을 준수 해야

화학적 성질

n-Hexane is a highly flammable, colorless, volatile liquid with a gasoline-like odor. The water/odor threshold is 0.0064 mg/L and the air/odor threshold is 230 875 milligram per cubic meter.

화학적 성질

n-Hexane is a highly flammable liquid, usually isolated from crude oil, and has extensive industrial applications as a solvent in adhesive bandage factories and other industries.
n-Hexane
It is highly toxic, triggering several adverse health effects, i.e., nausea, skin irritation, dizziness, numbness of limbs, CNS depression, vertigo, and respiratory tract irritation to animals and humans. Occupational exposure of industrial workers has demonstrated motor polyneuropathy. Workers associated with long-term glue sniffi ng showed adverse effects in the form of degeneration of axons and nerve terminals.

물리적 성질

Clear, colorless, very flammable liquid with a faint, gasoline-like odor. An odor threshold concentration of 1.5 ppmv was reported by Nagata and Takeuchi (1990).

용도

n-Hexane is a chief constituent of petroleumether, gasoline, and rubber solvent. It is usedas a solvent for adhesives, vegetable oils,and in organic analysis, and for denaturingalcohol.

용도

Suitable for HPLC, spectrophotometry, environmental testing

용도

Determining refractive index of minerals; filling for thermometers instead of mercury, usually with a blue or red dye; extraction solvent for oilseed processing.

정의

ChEBI: An unbranched alkane containing six carbon atoms.

일반 설명

Clear colorless liquids with a petroleum-like odor. Flash points -9°F. Less dense than water and insoluble in water. Vapors heavier than air. Used as a solvent, paint thinner, and chemical reaction medium.

공기와 물의 반응

Highly flammable. Insoluble in water.

반응 프로필

HEXANE may be sensitive to light. Hexane may also be sensitive to prolonged exposure to heat. Hexane can react vigorously with oxidizing materials. This would include compounds such as liquid chlorine, concentrated O2, sodium hypochlorite and calcium hypochlorite. Hexane is also incompatible with dinitrogen tetraoxide. Hexane will attack some forms of plastics, rubber and coatings. .

위험도

Flammable, dangerous fire risk.

건강위험

n-Hexane is a respiratory tract irritant andat high concentrations a narcotic. Its acutetoxicity is greater than that of n-pentane.Exposure to a concentration of 40,000 ppmfor an hour caused convulsions and death inmice. In humans a 10-minute exposure toabout 5000 ppm may produce hallucination,distorted vision, headache, dizziness, nausea,and irritation of eyes and throat. Chronicexposure to n-hexane may cause polyneuritis.
The metabolites of n-hexane injected inguinea pigs were reported as 2,5- hexanedioneand 5-hydroxy-2-hexanone, which arealso metabolites of methyl butyl ketone(DiVincenzo et al. 1976). Thus methyl butylketone and n- hexane should have similartoxicities. The neurotoxic metabolite, 2,5-hexanedione, however, is produced considerablyless in n-hexane. However, in the caseof hexane, the neurotoxic metabolite 2,5-hexanedione is produced to a much lesserextent. Continuous exposure to 250 ppmn-hexane produced neurotoxic effects in animals. Occupational exposure to 500 ppmmay cause polyneuropathy (ACGIH 1986).
Inhalation of n-hexane vapors have shownreproductive effects in rats and mice.

인화성 및 폭발성

Hexane is extremely flammable (NFPA rating = 3), and its vapor can travel a considerable distance to an ignition source and "flash back." Hexane vapor forms explosive mixtures with air at concentrations of 1.1 to 7.5 % (by volume).
Hydrocarbons of significantly higher molecular weight have correspondingly higher vapor pressures and therefore present a reduced flammability hazard. Carbon dioxide or dry chemical extinguishers should be used for hexane fires.

화학 반응

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.

잠재적 노출

n-Hexane is industrial chemical, emul sifier, in manufacture of plastics, resins; as a solvent, par ticularly in the extraction of edible fats and oils; as a laboratory reagent; and as the liquid in low temperature thermometers. Technical and commercial grades consist of 45 85% hexane, as well as cyclopentanes, isohexane, and 1% to 6% benzene.

Carcinogenicity

Male rabbits exposed to 3000 ppm hexane (8 h/day, 6 days/week for 24 weeks) developed papillary proliferation of nonciliated bronchiolar cells. No tumors were found in mice painted with hexane and croton oil as cocarcinogen, presumably for the lifetime of each animal. Hexane is inactive as a tumorpromoting agent.

Source

In diesel engine exhaust at a concentration of 1.2% of emitted hydrocarbons (quoted, Verschueren, 1983).
A constituent in gasoline. Harley et al. (2000) analyzed the headspace vapors of three grades of unleaded gasoline where ethanol was added to replace methyl tert-butyl ether. The gasoline vapor concentrations of hexane in the headspace were 4.31 wt % for regular grade, 3.74.8 wt % for midgrade, and 2.3 wt % for premium grade.
Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 1.82 and 268 mg/km, respectively (Schauer et al., 2002).

환경귀착

Biological. Hexane may biodegrade in two ways. The first is the formation of hexyl hydroperoxide, which decomposes to 1-hexanol followed by oxidation to hexanoic acid. The other pathway involves dehydrogenation to 1-hexene, which may react with water giving 1-hexanol (Dugan, 1972). Microorganisms can oxidize alkanes under aerobic conditions (Singer and Finnerty, 1984). The most common degradative pathway involves the oxidation of the terminal methyl group forming 1-hexanol. The alcohol may undergo a series of dehydrogenation steps forming a hexanal followed by oxidation to form hexanoic acid. The fatty acid may then be metabolized by β-oxidation to form the mineralization products, carbon dioxide and water (Singer and Finnerty, 1984).
Photolytic. An aqueous solution irradiated by UV light at 50 °C for 1 d resulted in a 50.51% yield of carbon dioxide (Knoevenagel and Himmelreich, 1976). Synthetic air containing gaseous nitrous acid and exposed to artificial sunlight (λ = 300–450 nm) photooxidized hexane into two isomers of hexyl nitrate and peroxyacetal nitrate (Cox et al., 1980).
Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor.

저장

hexane should be used only in areas free of ignition sources, and quantities greater than 1 liter should be stored in tightly sealed metal containers in areas separate from oxidizers.

운송 방법

UN1208 Hexanes, Hazard Class: 3; Labels: 3-Flammable liquid.

Purification Methods

Purify as for n-heptane. Modifications include the use of chlorosulfonic acid or 35% fuming H2SO4 instead of conc H2SO4 in washing the alkane, and final drying and distilling from sodium hydride. Unsaturated impurities can be removed by shaking the hexane with nitrating acid (58% H2SO4, 25% conc HNO3, 17% water, or 50% HNO3, 50% H2SO4), then washing the hydrocarbon layer with conc H2SO4, followed by H2O, drying, and distilling over sodium or n-butyl lithium. It can also be purified by distillation under nitrogen from sodium benzophenone ketyl solubilised with tetraglyme. Also purify it by passage through a silica gel column followed by distillation [Kajii et al. J Phys Chem 91 2791 1987]. It is a FLAMMABLE liquid and a possible nerve toxin. [Beilstein 1 IV 338.] Rapid purification: Distil, discarding the first forerun and stored over 4A molecular sieves.

비 호환성

May form explosive mixture with air. Contact with strong oxidizers may cause fire and explo sions. Contact with dinitrogen tetraoxide may explode @ 28℃.Attacks some plastics, rubber and coatings. May accumulate static electrical charges, and may cause ignition of its vapors.

폐기물 처리

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

노르말헥산 준비 용품 및 원자재

원자재

준비 용품


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