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테트라히드로나프탈렌

테트라히드로나프탈렌
테트라히드로나프탈렌 구조식 이미지
카스 번호:
119-64-2
한글명:
테트라히드로나프탈렌
동의어(한글):
테트라인;테트라하이드로나트탈린;테트라히드로나프탈렌;테트랄린;1,2,3,4-테트라하이드로나프탈렌;5,6,7,8-테트라하이드로나프탈렌;THN;벤조싸이클로헥산;테트라냅;테트라린?;테트라하이드로나프탈렌
상품명:
1,2,3,4-Tetrahydronaphthalene
동의어(영문):
THN;etralin;TETRALIN;TETRANAP;TETRALINE;tetralene;Tetralina;THN)Tetral;TETRALIN(R);TETRALIN pure
CBNumber:
CB6146030
분자식:
C10H12
포뮬러 무게:
132.2
MOL 파일:
119-64-2.mol

테트라히드로나프탈렌 속성

녹는점
-35 °C (lit.)
끓는 점
207 °C (lit.)
밀도
0.973 g/mL at 25 °C (lit.)
증기 밀도
4.55 (vs air)
증기압
0.18 mm Hg ( 20 °C)
굴절률
n20/D 1.541(lit.)
인화점
171 °F
저장 조건
Store below +30°C.
용해도
0.045g/l
물리적 상태
Fluid
Odor Threshold
0.0093ppm
폭발한계
0.8%, 100°F
수용성
INSOLUBLE
감도
Air Sensitive
Merck
14,9221
BRN
1446407
안정성
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS 데이터베이스
119-64-2(CAS DataBase Reference)
NIST
Tetralin(119-64-2)
EPA
1,2,3,4-Tetrahydronaphthalene (119-64-2)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xi,N,Xn
위험 카페고리 넘버 19-36/38-51/53-65-40
안전지침서 26-28-61-28A-62-36/37
유엔번호(UN No.) UN 3082 9/PG 3
WGK 독일 2
RTECS 번호 QK3850000
자연 발화 온도 723 °F
TSCA Yes
HS 번호 2902 90 00
위험 등급 9
포장분류 III
유해 물질 데이터 119-64-2(Hazardous Substances Data)
독성 LD50 orally in rats: 2.86 g/kg (Smyth)
기존화학 물질 97-3-31
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
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
H351 암을 일으킬 것으로 의심됨 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재) 발암성 물질 구분 2 경고 P201, P202, P281, P308+P313, P405,P501
H411 장기적 영향에 의해 수생생물에 유독함 수생 환경유해성 물질 - 만성 구분 2
예방조치문구:
P273 환경으로 배출하지 마시오.
P281 요구되는 개인 보호구를 착용하시오
P331 토하게 하지 마시오.
P301+P310 삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P403+P235 환기가 잘 되는 곳에 보관하고 저온으로 유지하시오.
NFPA 704
2
1 0

테트라히드로나프탈렌 C화학적 특성, 용도, 생산

화학적 성질

colourless liquid with a mouldy smell

화학적 성질

Tetralin or 1,2,3,4-tetrahydronaphthalene is a flammable liquid.

용도

As a solvent for fats and oils and as an alternative to turpentine in polishes and paint; insecticide.

용도

Degreasing agent. Solvent for naphthalene, fats, resins, oils, waxes, used instead of turpentine in lacquers, shoe polishes, floor waxes.

정의

ChEBI: An ortho-fused bicyclic hydrocarbon that is 1,2,3,4-tetrahydro derivative of naphthalene.

생산 방법

Tetralin is prepared by the catalytic hydrogenation of naphthalene or during acidic, catalytic hydrocracking of phenanthrene. At 700℃, tetralin yields tars that contain appreciable quantities of 3,4-benzopyrene (172a).

Synthesis Reference(s)

Journal of the American Chemical Society, 111, p. 314, 1989 DOI: 10.1021/ja00183a048
Tetrahedron Letters, 12, p. 1853, 1971

일반 설명

A light colored liquid. May be irritating to skin, eyes and mucous membranes. Flash point 100-141°F.

공기와 물의 반응

Flammable.

반응 프로필

1,2,3,4-Tetrahydronaphthalene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick 1979 p.151-154].

위험도

Irritant to eyes and skin; narcotic in high concentration.

건강위험

Liquid may cause nervous disturbance, green coloration of urine, and skin and eye irritation

Carcinogenicity

In male and female F344/N and NBR rats exposed to tetralin at concentrations of 0, 30, 60, or 120 ppm, 6 h plus T90 (12 min) per day, 5 days per week for 105 weeks, there were slightly increased incidences of cortical renal tubule adenoma in male rats. The incidence of cortical renal tubule adenomawas also significantly increased in the 120 ppm group. Exposure of male and female B6C3F1 mice to tetralin at concentrations of 0, 30, 60, or 120 ppm, 6 h plus T90 (12 min) per day, 5 days per week for 105 weeks and additional groups of male and female mice to the same concentrations for 12 months led to increased incidence of hemangiosarcoma of the spleen in 120 ppm females (172b).

Purification Methods

Wash tetralin with successive portions of conc H2SO4 until the acid layer is no longer coloured, then wash it with aqueous 10% Na2CO3, and then distilled water. Dry (CaSO4 or Na2SO4), filter, reflux and fractionally distil it under under reduced pressure from sodium or BaO. It can also be purified by repeated fractional freezing. Bass [J Chem Soc 3498 1964] freed tetralin, purified as above, from naphthalene and other impurities by conversion to ammonium tetralin-6-sulfonate. Concentrated H2SO4 (150mL) is added slowly to stirred tetralin (272mL) which is then heated on a water bath for about 2hours for complete solution. The warm mixture, when poured into aqueous NH4Cl solution (120g in 400mL water), gives a white precipitate which, after filtering off, is crystallised from boiling water, washed with 50% aqueous EtOH and dried at 100o. Evaporation of its boiling aqueous solution on a steam bath removes traces of naphthalene. The pure salt (229g) is mixed with conc H2SO4 (266mL) and steam distilled from an oil bath at 165-170o. An ether extract of the distillate is washed with aqueous Na2SO4, and the ether is evaporated, prior to distilling the tetralin from sodium. Tetralin has also been purified via barium tetralin-6-sulfonate, conversion to the sodium salt and decomposed in 60% H2SO4 using superheated steam. [Beilstein 5 H 491, 5 III 1219, 5 IV 1388.]

테트라히드로나프탈렌 준비 용품 및 원자재

원자재

준비 용품


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