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二苄醚

二苄醚用途

用作硝酸纤维素的增韧剂和配制香精用的溶剂，也可用作中等程度的防老剂, 主要用于制造海绵橡胶制品。用作硝酸纤维素、醋酸纤维素的增塑剂、树脂、橡胶、蜡、人造麝香等的溶剂。二苄醚与氧化锌的混合物是蚊、蝇、蚋、跳蚤的驱避剂。

二苄醚名称

[ CAS 号 ]:
103-50-4

[ 中文名 ]:
苄醚

[ 英文名 ]:
Dibenzyl ether

[英文别名 ]:

EINECS 203-118-2
Dibenzyl ether
MFCD00004780
phenylmethoxymethylbenzene
(Oxybis(methylene))dibenzene
1,1'-(oxydimethanediyl)dibenzene
Benzyl ether
Benzene, 1,1'-[oxybis(methylene)]bis-
1,1'-[Oxybis(methylene)]dibenzene

二苄醚物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
286.9±9.0 °C at 760 mmHg

[ 熔点 ]:
1.5-3.5 °C(lit.)

[ 分子式 ]:
C₁₄H₁₄O

[ 分子量 ]:
198.260

[ 闪点 ]:
135.0±0.0 °C

[ 精确质量 ]:
198.104462

[ PSA ]:
9.23000

[ LogP ]:
3.95

[ 外观性状 ]:
无色液体

[ 蒸汽压 ]:
0.0±0.6 mmHg at 25°C

[ 折射率 ]:
1.569

[ 储存条件 ]:
库房通风低温干燥,与氧化剂分开存放

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

[ 水溶解性 ]:
insoluble

二苄醚MSDS

二苄醚毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DQ6125000

CHEMICAL NAME :: Benzyl ether

CAS REGISTRY NUMBER :: 103-50-4

BEILSTEIN REFERENCE NO. :: 1911156

LAST UPDATED :: 199803

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C14-H14-O

MOLECULAR WEIGHT :: 198.28

WISWESSER LINE NOTATION :: R1O1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,254,1986

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,254,1986 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2500 mg/kg

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

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 16,703,1978

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4300 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown Volume(issue)/page/year: (1),34,1997 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2317 No. of Facilities: 1717 (estimated) No. of Industries: 27 No. of Occupations: 29 No. of Employees: 42924 (estimated) No. of Female Employees: 15595 (estimated)

二苄醚安全信息

[ 符号 ]:

GHS07, GHS09

[ 信号词 ]:
Warning

[ 危害声明 ]:
H335-H410

[ 警示性声明 ]:
P273-P304 + P340 + P312-P391-P501

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

[ 危害码 (欧洲) ]:
Xi:Irritant;N:Dangerousfortheenvironment;

[ 风险声明 (欧洲) ]:
R36/37/38;R51/53

[ 安全声明 (欧洲) ]:
S23-S61

[ 危险品运输编码 ]:
UN 3082 9/PG 3

[ WGK德国 ]:
2

[ RTECS号 ]:
DQ6125000

[ 包装等级 ]:
III

[ 危险类别 ]:
9

[ 海关编码 ]:
2909309090

二苄醚合成路线

二苄醚上下游产品

二苄醚上游产品

二苄醚下游产品

二苄醚制备

由氯化苄与浓碱作用制得，也是生产苄醇时的副产物。

精制方法：二苄醚中常含有苯甲醛和甲苯等杂质。用氢氧化钠溶液和亚硫酸氢钠溶液充分洗涤以除去苯甲醛。经碳酸钾干燥后，减压分馏除去甲苯。蒸馏在氮气或二氧化碳气流中进行。也可以用结晶的方法精制。

二苄醚海关

[ 海关编码 ]: 2909309090

[ 中文概述 ]:
2909309090 其他芳香醚及其卤化衍生物、磺化、硝化衍生物（包括亚硝化衍生物）。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

二苄醚文献

Self-Assembly of Nanoclusters into Mono-, Few-, and Multilayered Sheets via Dipole-Induced Asymmetric van der Waals Attraction.

ACS Nano 9 , 6315-23, (2015)

Two-dimensional (2D) nanomaterials possessing regular layered structures and versatile chemical composition are highly expected in many applications. Despite the importance of van der Waals (vdW) attr...

Au-Edged CuZnSe2 Heterostructured Nanosheets with Enhanced Electrochemical Performance.

Small 11 , 3583-90, (2015)

Two-dimensional (2D) nanomaterials and heterostructured nanocrystals (NCs) are two hot topics in current nanoresearch. However, reports on heterostructured NCs with 2D features are still rare. In this...

Seed-induced growth of flower-like Au-Ni-ZnO metal-semiconductor hybrid nanocrystals for photocatalytic applications.

Small 11(12) , 1460-9, (2015)

The combination of metal and semiconductor components in nanoscale to form a hybrid nanocrystal provides an important approach for achieving advanced functional materials with special optical, magneti...

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二苄醚