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二乙氧基甲烷

二乙氧基甲烷用途

【用途一】
用于有机合成、医药工业
【用途二】
用于合成甲苯基甲醛树脂、香料，也用作溶剂和油漆的生产。
【用途三】
用于合成甲苯基甲醛树脂；香料，也用作溶剂和油漆的生产。

二乙氧基甲烷名称

[ CAS 号 ]:
462-95-3

[ 中文名 ]:
二乙氧基甲烷

[ 英文名 ]:
diethoxymethane

[中文别名 ]:

[英文别名 ]:

Formaldehyde Diethyl Acetal
diethoxy methane
diethoxymethane
Methylene Glycol Diethyl Ether
EINECS 207-330-6
Formaldehyde, diethyl acetal
(Ethoxymethoxy)ethane
Ethane, 1,1'-[methylenebis(oxy)]bis-
ethoxymethoxyethane
MFCD00009246

二乙氧基甲烷物理化学性质

[ 密度 ]:
0.8±0.1 g/cm3

[ 沸点 ]:
89.0±0.0 °C at 760 mmHg

[ 熔点 ]:
-66.5 °C

[ 分子式 ]:
C₅H₁₂O₂

[ 分子量 ]:
104.148

[ 闪点 ]:
-5.6±0.0 °C

[ 精确质量 ]:
104.083733

[ PSA ]:
18.46000

[ LogP ]:
0.80

[ 外观性状 ]:
透明液体

[ 蒸汽密度 ]:
3.6 (vs air)

[ 蒸汽压 ]:
67.3±0.1 mmHg at 25°C

[ 折射率 ]:
1.380

[ 储存条件 ]:
库房通风低温干燥,与氧化剂、酸类分开存放

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

[ 水溶解性 ]:
4.2 G/100 ML

二乙氧基甲烷MSDS

二乙氧基甲烷毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PA8500000

CHEMICAL NAME :: Methane, diethoxy-

CAS REGISTRY NUMBER :: 462-95-3

BEILSTEIN REFERENCE NO. :: 1697253

LAST UPDATED :: 199709

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H12-O2

MOLECULAR WEIGHT :: 104.17

WISWESSER LINE NOTATION :: 2O1O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2604 mg/kg

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

REFERENCE :: PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 29,730,1932 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84039 No. of Facilities: 5 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 20 (estimated)

二乙氧基甲烷安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H225-H315-H319-H335

[ 警示性声明 ]:
P210-P261-P305 + P351 + P338

[ 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) ]:
F:Flammable;Xi:Irritant;

[ 风险声明 (欧洲) ]:
R11;R36/37/38

[ 安全声明 (欧洲) ]:
S16-S26-S36

[ 危险品运输编码 ]:
UN 2373 3/PG 2

[ WGK德国 ]:
2

[ RTECS号 ]:
PA8500000

[ 包装等级 ]:
II

[ 危险类别 ]:
3

[ 海关编码 ]:
2909199090

二乙氧基甲烷合成路线

二乙氧基甲烷上下游产品

二乙氧基甲烷上游产品

二乙氧基甲烷下游产品

二乙氧基甲烷制备

生产氯霉素的副产品。对硝基苯乙酮溶在氯苯中，在26-28℃下搅拌并滴加溴素，溴化得到对硝基-α-溴代苯乙酮。然后加入乌洛托品并补充氯苯，制成对硝基-α-溴代苯乙酮乌洛托品盐溶液。将此成盐液加入27%的盐酸溶液中，分去氯苯后，加入乙醇、食盐进行水解反应。也可由甲醛与乙醇进行醇醛缩合反应制得。

二乙氧基甲烷海关

[ 海关编码 ]: 2909199090

[ 中文概述 ]:
2909199090. 其他无环醚及其卤化衍生物（包括磺化，硝化或亚硝化衍生物）. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 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 ]:
2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

二乙氧基甲烷文献

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Arch. Toxicol. 89 , 2413-27, (2015)

Alternative methods to detect non-genotoxic carcinogens are urgently needed, as this class of carcinogens goes undetected in the current testing strategy for carcinogenicity under REACH. A complicatin...

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