2,3-二溴丙酸甲酯

2,3-二溴丙酸甲酯 基本信息
CAS号 1729-67-5 分子式 C4H6Br2O2
分子量 245.89700 精确质量  243.87300
PSA  26.30000 LogP  1.31780

基本信息 展开↓

CAS号:
1729-67-5
3D弹球模型:
立即前往扯扯看
分子式:
C4H6Br2O2
分子量:
245.89700
中文名称:
2,3-二溴丙酸甲酯
英文名称:
Methyl 2,3-dibromopropionate
中文别名:
2,3-二溴丙酸甲酯;
5H-Dibenzo[a,d]cycloheptene-5-carbonitrile, 10,11-dihydro-;
5H-Dibenzo[a,d]cycloheptene-5-carbonitrile,10,11-dihydro-;
D-piperidine-2-carboxylic acid;
(2R)-piperidine-2-carboxylic acid;
D(+)-2-Pipecolinic acid;
H-L-PIP-OH;
D-(+)-Pipecolinic acid;
D-哌可酸;
1-methyl-2',6'-pipecoloxylidine hydrochloride;
N-(2,6-dimethylphenyl)-1-methylpiperidine-2-carboxamide hydrochloride (1:1);
mepivacaine hydrochloride;
Sodium 2-phenylbutanoate;
Sodium 4-Phenylbutyrate;
2-PHENYL-1.3-DIOXOLANE-4-METHANOL;
2-Phenyl-1,3-dioxolane-4-methanol;
N-ethyl-N-perfluorooctylsulfonylaminoethanol;
N-e;
N-Ethyl-N-2-hydroxyethyl perfluorooctansulfulfonamide;
二甘醇单(2-乙己基)醚;
二甘醇一(2-乙己基)醚;
二甘醇(2-乙己基)醚;
2-乙己基卡必醇;
2-{(2-[(2-乙基己基)氧基]乙氧基}乙醇;
一缩二乙二醇单(2-乙基已基)醚;
一缩二乙二醇一(2-乙基已基)醚;
二乙二醇单辛醚
英文别名:
Methyl 2,3-dibromopropionate;
Methyl 2,3-Dibromopropionate;
methyl 2,3-dibromopropanoate
精确分子量/精确质量:
243.87300
极性分子表面积/PSA:
26.30000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00017882
EINECS:
217-044-3
PubChem:
24861104
BRN:
1750190
InChI:
InChI=1/C4H6Br2O2/c1-8-4(7)3(6)2-5/h3H,2H2,1H3/t3-/m1/s1

物化性质展开↓

外观与性状:
透明无色液体
密度:
1.944 g/mL at 20 °C(lit.)
熔点:
8ºC
沸点:
83-86 °C10 mm Hg(lit.)
闪点:
-33 °C
折射率:
n20/D 1.514
蒸汽压:
0.243mmHg at 25°C
存储条件/存储方法:

保持容器密封,储存在阴凉,干燥的地方 

稳定性相关:

常温常压下稳定,避免氧化物 强酸接触

其它信息:

1.       性状:无色透明液体。

2.       密度(g/mL,25/4): 1.944

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):8

5.       沸点(ºC,常压):未确定

6.       沸点(ºC,5.2kPa): 83-86

7.       折射率: 1.514

8.       闪点(ºC): -33

9.       比旋光度(º): 未确定

10.    自燃点或引燃温度(ºC): 未确定

11.    蒸气压(kPa,25ºC): 0.36

12.    饱和蒸气压(kPa,60ºC): 未确定

13.    燃烧热(KJ/mol):44.2

14.    临界温度(ºC): 未确定

15.    临界压力(KPa): 未确定

16.    油水(辛醇/水)分配系数的对数值: 1.48

17.    爆炸上限(%,V/V):未确定

18.    爆炸下限(%,V/V): 未确定

19.    溶解性:不溶于水。

安全信息展开↓

包装等级:
III
风险类别:
6.1
海关代码:
2915900090
WGK_Germany:
3
德国有关水污染物质的分类清单
危险类别码:
R36/37
安全说明:
S26-S36-S16
危险标志:
Xi:Irritant;

合成路线查看所有的合成路线

  • 292638-85-8

    292638-85-8

  • ~10%

  • 1729-67-5

    2,3-二溴丙酸甲酯

  • 292638-85-8

    292638-85-8

  • 1729-67-5

    2,3-二溴丙酸甲酯

  • +

  • 7691-28-3

    (S)-甲基-2-溴-3-羟基丙酸甲酯

  • 67-56-1

    甲醇

  • +

  • 600-05-5

    2,3-二溴丙酸

  • 1729-67-5

    2,3-二溴丙酸甲酯

化学图谱

  1. 2,3-二溴丙酸甲酯红外图谱(IR1)

  2. 2,3-二溴丙酸甲酯质谱(MS)

  3. 2,3-二溴丙酸甲酯核磁图(13CNMR)

  4. 2,3-二溴丙酸甲酯Raman光谱

  5. 2,3-二溴丙酸甲酯核磁图(1HNMR)

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毒理性展开↓

毒理学数据:

对眼睛、皮肤、粘有刺激作用

MSDS 展开↓

  Material Safety Data Sheet

Section 1. Identification of the substance
  Methyl 2,3-dibromopropionate
    Product Name:
    Synonyms:

Section 2. Hazards identification
    Harmful by inhalation, in contact with skin, and if swallowed.
    H319:        Causes serious eye irritation    
    H335:        May cause respiratory irritation    
    P261:        Avoid breathing dust/fume/gas/mist/vapours/spray    
    P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
    and easy to do – continue rinsing

Section 3. Composition/information on ingredients.
    Ingredient name:        Methyl 2,3-dibromopropionate    
    CAS number:        1729-67-5    

Section 4. First aid measures
    Skin contact:        Immediately wash skin with copious amounts of water for at least 15 minutes while removing    
    contaminated clothing and shoes. If irritation persists, seek medical attention.
    Eye contact:        Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate    
    flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
    attention.
    Inhalation:        Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.    
    Ingestion:        Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.    

Section 5. Fire fighting measures
    In the event of a fire involving this material, alone or in combination with other materials, use dry
    powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
    should be worn.

Section 6. Accidental release measures
    Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
    standards.
    Respiratory precaution:        Wear approved mask/respirator    
    Hand precaution:        Wear suitable gloves/gauntlets    
    Skin protection:        Wear suitable protective clothing    
    Eye protection:        Wear suitable eye protection    
    Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
    for disposal. See section 12.
    Environmental precautions: Do not allow material to enter drains or water courses.

Section 7. Handling and storage
    This product should be handled only by, or under the close supervision of, those properly qualified
    Handling:
    in the handling and use of potentially hazardous chemicals, who should take into account the fire,
    health and chemical hazard data given on this sheet.
    Storage:        Store in closed vessels, refrigerated.    

Section 8. Exposure Controls / Personal protection
    Engineering Controls: Use only in a chemical fume hood.
    Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
    General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section 9. Physical and chemical properties
    Appearance:        Not specified    
    Boiling point:        No data    
    Melting point:        No data    
    Flash point:        No data    
    Density:        No data    
    Molecular formula: C4H6Br2O2
    Molecular weight: 245.9

Section 10. Stability and reactivity
    Conditions to avoid: Heat, flames and sparks.
    Materials to avoid: Oxidizing agents.
    Possible hazardous combustion products: Carbon monoxide, hydrogen bromide.

Section 11. Toxicological information
    No data.

Section 12. Ecological information
    No data.

Section 13. Disposal consideration
    Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
    disposal authority, in accordance with national and regional regulations.

Section 14. Transportation information
    Non-harzardous for air and ground transportation.

Section 15. Regulatory information
    No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
    302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
    Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据查看详细

中国海关编码:2915900090

概述:
2915900090. 其他饱和无环一元羧酸及其酸酐(酰卤、过氧)化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 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
监管条件:
A.入境货物通关单B.出境货物通关单
检验检疫:
R.进口食品卫生监督检验S.出口食品卫生监督检验M.进口商品检验N.出口商品检验
摘要/Summary:
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

分子结构与计算化学数据展开↓

计算化学数据


1.疏水参数计算参考值(XlogP):1.7

2.氢键供体数量:0

3.氢键受体数量:2

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积26.3

7.重原子数量:8

8.表面电荷:0

9.复杂度:84.1

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:1

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

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