美他多辛

美他多辛 基本信息
CAS号 74536-44-0 分子式 C13H18N2O6
分子量 298.29200 精确质量  298.11600
PSA  139.98000 LogP  -0.24140

基本信息 展开↓

CAS号:
74536-44-0
分子式:
C13H18N2O6
分子量:
298.29200
中文名称:
美他多辛
英文名称:
Metadoxine
中文别名:
美他多辛;
美他多辛、焦谷氨酸盐;
维生素 B6 焦谷氨酸盐
英文别名:
Metadoxine;
5-Hydroxy-6-methyl-3,4-pyridinedimethanol,5-Oxo-L-proline;
Metadoxil;
Metasin
精确分子量/精确质量:
298.11600
极性分子表面积/PSA:
139.98000
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。
EINECS:
277-913-8
InChI:
InChI=1/C8H11NO3.C6H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5;8-3-5(9)4-1-2-6(10)7-4/h2,10-12H,3-4H2,1H3;4,8H,1-3H2,(H,7,10)/t;4-/m.0/s1

生产制备方法及用途展开↓

制备方法


消化系统用药。

用途简介


物化性质展开↓

外观与性状:
灰白色粉末
熔点:
102-104ºC
沸点:
491.9ºC at 760 mmHg
闪点:
251.3ºC

安全信息展开↓

海关代码:
2936250000

MSDS 展开↓

  Material Safety Data Sheet

Section 1. Identification of the substance
    Product Name:      Metadoxine    
    Synonyms:

Section 2. Hazards identification
    Harmful by inhalation, in contact with skin, and if swallowed.

Section 3. Composition/information on ingredients.
    Ingredient name:        Metadoxine    
    CAS number:        74536-44-0    

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
    Handling:        This product should be handled only by, or under the close supervision of, those properly qualified    
    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.
    Store in closed vessels.
    Storage:

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    
    No data
    Melting point:
    Flash point:        No data    
    Density:        No data    
    Molecular formula:        C8H11NO3.C5H7NO3    
    Molecular weight:        298.3    

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

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:2936250000

申报要素:
品名, 成分含量, 用途, 包装, 是否吸附于载体(如硅胶)
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
摘要/Summary:
HS: 2936250000. (5-hydroxy-6-methylpyridine-3,4-diyl)dimethanol. VAT:17.0%. tax rebate rate:13.0%. supervision conditions:ab(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tarrif:4.0%. general tariff:20.0%
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