2-甲基萘

2-甲基萘用途

【用途一】
用作生产维生素K3的原料，用于合成植物生长抑制剂、表面活性剂、减水剂、分散剂等
【用途二】
在医药上用作生产维生素K3的中间体，氧化制取β-萘酚，作长效或短效口服避孕药。农业上合成植物生长调节剂、DDT乳化剂；经磺化后能作去垢剂，还可用作纤维助染剂、润湿剂、表面活性剂等的原料。
【用途三】
生产维生素K3、制口服避孕药、合成植物生长抑制剂、纺织印染助剂、表面活性剂、饲料添加剂的重要中间体以及β一甲基萘醌作为电子传递者参与生物的光合作用，还可合成多种具有生物活性的医药产品。

2-甲基萘名称

[ CAS 号 ]:
91-57-6

[ 中文名 ]:
β-甲基萘

[ 英文名 ]:
2-Methylnaphthalene

[中文别名 ]:

2-甲基萘

[英文别名 ]:

2-METHYL NAPHTHALENE
beta-Methylnaphthalene
2-methyl-1-naphtoic acid
2-Methylnaphthalen-1-carbonsaeure
2-methyl-naphthalene
B-METHYLNAPHTHALENE
EINECS 202-078-3
L66J B1
2-methyl-1-naphthoic acid
2-metylnaphtalene

2-甲基萘物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
239.9±3.0 °C at 760 mmHg

[ 熔点 ]:
34-36 °C(lit.)

[ 分子式 ]:
C₁₁H₁₀

[ 分子量 ]:
142.197

[ 闪点 ]:
97.8±0.0 °C

[ 精确质量 ]:
142.078247

[ LogP ]:
3.91

[ 外观性状 ]:
固体

[ 蒸汽压 ]:
0.1±0.2 mmHg at 25°C

[ 折射率 ]:
1.617

[ 储存条件 ]:
库房通风低温干燥,与氧化剂分开存放

[ 稳定性 ]:
Stable. Incompatible with strong oxidizing agents.

[ 水溶解性 ]:
0.00246 g/100 mL

[ 凝固点 ]:
34.5℃

2-甲基萘MSDS

详细MSDS(安全技术说明书)

2-甲基萘毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ9635000

CHEMICAL NAME :: Naphthalene, 2-methyl-

CAS REGISTRY NUMBER :: 91-57-6

LAST UPDATED :: 199801

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C11-H10

MOLECULAR WEIGHT :: 142.21

WISWESSER LINE NOTATION :: L66J C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1630 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 28500 mg/kg/81W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 250 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 208,155,1988 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 20 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1659 No. of Facilities: 633 (estimated) No. of Industries: 10 No. of Occupations: 15 No. of Employees: 3498 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1659 No. of Facilities: 376 (estimated) No. of Industries: 5 No. of Occupations: 5 No. of Employees: 4359 (estimated) No. of Female Employees: 1608 (estimated)

2-甲基萘安全信息

[ 符号 ]:

GHS02, GHS06, GHS08

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H301 + H311 + H331-H370

[ 警示性声明 ]:
P210-P260-P280-P301 + P310-P311

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xn:Harmful;N:Dangerousfortheenvironment;

[ 风险声明 (欧洲) ]:
R22;R51/53

[ 安全声明 (欧洲) ]:
S26-S37/39-S61-S36/37-S24/25-S23-S53

[ 危险品运输编码 ]:
UN 3077 9/PG 3

[ WGK德国 ]:
2

[ RTECS号 ]:
QJ9635000

[ 包装等级 ]:
III

[ 危险类别 ]:
9

[ 海关编码 ]:
29029080

2-甲基萘合成路线

详细合成路线

2-甲基萘上下游产品

2-甲基萘上游产品

2-甲基萘下游产品

2-甲基萘制备

2-甲基萘主要存在于萘油馏分（含量约5.48%）和洗油馏分（含量约8.11%）中。1.甲基萘馏分蒸馏得到的237-241℃可结晶的窄馏分，用冷冻结晶法制得2-甲基萘。将其在40-45℃熔化，过滤，即得纯度在97%以上的2-甲基萘。2.在高温焦油中约含1.0%-1.8%。以煤焦油中的洗油为原料，经脱酚、脱吡啶碱后精馏切取240-245℃甲基萘馏分，冷冻至-20℃，此时，2-甲基萘呈结晶析出。然后再用发汗结晶法或甲醇，乙醇重结晶进行精制，即得产品。

2-甲基萘海关

[ 海关编码 ]: 29029080

2-甲基萘文献

QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.

Eur. J. Med. Chem. 43 , 714-40, (2008)

Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...

Quantitative structure-activity relationship analysis of inhibitors of the nicotine metabolizing CYP2A6 enzyme.

J. Med. Chem. 48 , 440-9, (2005)

The purpose of this study was to develop screening and in silico modeling methods to obtain accurate information on the active center of CYP2A6, a nicotine oxidizing enzyme. The inhibitory potencies o...

Exploring QSAR and QAAR for inhibitors of cytochrome P450 2A6 and 2A5 enzymes using GFA and G/PLS techniques

Eur. J. Med. Chem. 44 , 1941-51, (2009)

A series of naphthalene and non-naphthalene derivatives ( n = 42) having cytochrome P450 2A6 and 2A5 inhibitory activities, reported by Rahnasto et al., were subjected to QSAR and QAAR studies. The an...

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