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1729-67-5生产厂家

1729-67-5价格

相关CAS号：
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1729-67-5

1729-67-5结构式
1729-67-5结构式

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中文名 2,3-二溴丙酸甲酯
英文名 Methyl 2,3-dibromopropionate
英文别名 MFCD00017882
EINECS 217-044-3
methyl 2,3-dibromopropanoate
Methyl 2,3-Dibromopropionate
密度 1.944 g/mL at 20 °C(lit.)
沸点 83-86 °C10 mm Hg(lit.)
熔点 8ºC
分子式 C4H6Br2O2
分子量 245.89700
闪点 -33 °C
精确质量 243.87300
PSA 26.30000
LogP 1.31780
外观性状 透明无色液体
蒸汽压 0.243mmHg at 25°C
折射率 n20/D 1.514
储存条件

保持容器密封，储存在阴凉，干燥的地方

稳定性

常温常压下稳定，避免氧化物 强酸接触

计算化学

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
更多

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。
Material Safety Data Sheet
Section1. Identification of the substance
Methyl 2,3-dibromopropionate
Product Name:
Synonyms:
Section2. 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
Section3. Composition/information on ingredients.
Ingredient name:Methyl 2,3-dibromopropionate
CAS number:1729-67-5
Section4. 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.
Section5. 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.
Section6. 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.
Section7. 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.
Section8. 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.
Section9. 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
Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, hydrogen bromide.
Section11. Toxicological information
No data.
Section12. Ecological information
No data.
Section13. 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.
Section14. Transportation information
Non-harzardous for air and ground transportation.
Section15. 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

毒理学数据:

对眼睛、皮肤、粘膜有刺激作用

符号 GHS02 GHS07
GHS02, GHS07
信号词 Danger
危害声明 H225-H315
警示性声明 P210
个人防护装备 Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
危害码 (欧洲) Xi:Irritant;
风险声明 (欧洲) R36/37
安全声明 (欧洲) S26-S36-S16
危险品运输编码 UN 2398 3/PG 2
WGK德国 3
包装等级 III
危险类别 6.1
海关编码 2915900090
海关编码 2915900090
中文概述 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
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%

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