메틸나프탈렌
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메틸나프탈렌 속성
- 녹는점
- −22 °C(lit.)
- 끓는 점
- 240-243 °C(lit.)
- 밀도
- 1.001 g/mL at 25 °C(lit.)
- 증기압
- 2 hPa (25 °C)
- 굴절률
- n
20/D 1.615(lit.)
- 인화점
- 180 °F
- 저장 조건
- Store below +30°C.
- 용해도
- 0.026g/L
- 산도 계수 (pKa)
- 37(at 25℃)
- 물리적 상태
- 액체
- 색상
- 무색~황색으로 투명함
- 냄새
- 디프로필렌 글리콜 중 1.00%. 나프틸 화학 약용 장뇌
- ?? ??
- 나프틸
- 폭발한계
- 0.7-6.5%(V)
- 수용성
- 0.026g/L(25℃)
- JECFA Number
- 1335
- BRN
- 506793
- Dielectric constant
- 2.7（20℃）
- 노출 한도
- ACGIH: TWA 0.5 ppm (Skin)
- 안정성
- 안정적인. 타기 쉬운. 강한 산화제, 산소와 호환되지 않습니다.
- InChIKey
- QPUYECUOLPXSFR-UHFFFAOYSA-N
- LogP
- 3.91
- CAS 데이터베이스
- 90-12-0(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xn,N,T | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 22-36/37/38-42/43-51/53-39/23/24/25-23/24/25-20/21/22 | ||
| 안전지침서 | 7-26-36/37/39-61-45-36/37-23-36 | ||
| 유엔번호(UN No.) | UN 3082 9/PG 3 | ||
| WGK 독일 | 2 | ||
| RTECS 번호 | QJ9630000 | ||
| 자연 발화 온도 | 984 °F | ||
| TSCA | Yes | ||
| 위험 등급 | 9 | ||
| 포장분류 | III | ||
| HS 번호 | 29029080 | ||
| 유해 물질 데이터 | 90-12-0(Hazardous Substances Data) | ||
| 독성 | LD50 orally in Rabbit: 1840 mg/kg | ||
| 기존화학 물질 | KE-24449 |
메틸나프탈렌 C화학적 특성, 용도, 생산
개요
1-methylnaphthalene is a methylnaphthalene carrying a methyl substituent at position. It is a polycyclic aromatic hydrocarbon (PAH). It is present in cigarette smoke, wood smoke, tar, asphalt, and at some hazardous waste sites. The main use of 1-methylnaphthalene is as a raw material for naphthoic acid, fluorescent whitening agents, and surfactants. It is also used as a raw material for dyestuff dispersants and heat transfer oils, and as a solvent for agricultural chemical.화학적 성질
1-methylnaphthalene is a colorless, bluefluorescing liquid with an earthy, phenolic odor. It is insoluble in water but dissolves in alcohol and ether. With a density greater than water, this combustible substance is obtained from coal tar and used in organic synthesis. It has a role as a carcinogenic agent and a plant metabolite.출처
Methylnaphthalene was identified as a volatile component of cassava, roasted filberts and nectarines. Assorted types of lima, pinto, red kidney, black, navy and mung beans, soybeans, split peas and lentils were found to contain 1-methylnaphthalene at concentrations ranging from 2.8 to 49.2 ppb.용도
The main uses of methylnaphthalene are as a raw material for dyestuff dispersants and heat transfer oils, and as a solvent for agricultural chemical. It is used in insecticide manufacturing; manufacture of phthalic anhydride; solvent in organic synthesis; asphalt and naptha constituent. It is also used as a test substance for the determination of the cetane number of diesel fuels. Further, it is employed in the preparation of 1-methylnaphthalene-d10 using deuterium oxide, sodium deuteroxide.정의
ChEBI: 1-methylnaphthalene is a methylnaphthalene carrying a methyl substituent at position 1. It has a role as a carcinogenic agent and a plant metabolite.제조 방법
1-Methylnaphthalene is primarily derived from coal tar and petroleum oils. It is present in high-temperature coal tar in a concentration of 0.5% and is produced industrially from the methylnaphthalene fraction, which boils between 240 and 245 °C, by redistillation of the 2-methylnaphthalene filtrate following crystallization and separation of 2-methylnaphthalene.일반 설명
1-methylnaphthalene is a colorless liquid. Freezing point -22 °C (7.6 °F). Boiling point 240-243 °C (464-469 °F). Flash point 82 °C (180 °F). Denser than water. Derived from coal tar and used in organic synthesis.공기와 물의 반응
Insoluble in water.반응 프로필
1-Methylnaphthalene is sensitive to heat. Reacts with strong oxidizing agents. Incompatible with oxygen and peroxides .위험도
Moderate fire risk. Lower respiratory tractirritant and lung damage. Questionable carcinogen.건강위험
Harmful if inhaled. Liquid causes irritation of the eyes and skin and skin photosensitization. Harmful if swallowed. Chronic exposure may cause liver or kidney damage.화재위험
1-Methylnaphthalene is combustible.Carcinogenicity
The carcinogenic potential of 1- and 2-methyl was investigated in B6C3F1 mice. Female and male mice were given methylnaphthalene in their diets for 81 weeks. The results indicated that 1-methyl was a possible weak carcinogen in the lung of male but not female mice whereas 2-methyl did not possess unequivocal carcinogenic potential in these mice.메틸나프탈렌 준비 용품 및 원자재
원자재
Methylnaphthalene fraction
인딘
피리딘 염기
Column plate
2-메틸나프탈렌
Polishing oil
Stannanediamine, 1-iodo-1-methyl-N,N,N',N'-tetrakis(trimethylsilyl)-
1-(Bromomethyl)naphthalene
Trimethylboroxine
1-Cyanonaphthalene
질화나프탈렌
1-브로모나프탈렌
준비 용품
메틸나프탈렌 공급 업체
글로벌( 303)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Shaanxi Didu New Materials Co. Ltd | +86-89586680 +86-13289823923 |
1026@dideu.com | China | 9020 | 58 |
| Hebei Mojin Biotechnology Co., Ltd | +8613288715578 |
sales@hbmojin.com | China | 12470 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 |
info@fdachem.com | China | 18224 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21689 | 55 |
| career henan chemical co | +86-0371-86658258 |
sales@coreychem.com | China | 29914 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
| Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 |
alice@crovellbio.com | China | 8822 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 |
linda@hubeijusheng.com | CHINA | 22968 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 |
overseasales1@yongstandards.com | United States | 14336 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 |
sales@chemdad.com | China | 39916 | 58 |