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20737-42-2生产厂家

20737-42-2价格

20737-42-2

20737-42-2结构式
20737-42-2结构式

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中文名 2-羟基-3-羧酸吡嗪
英文名 2-oxo-1H-pyrazine-3-carboxylic acid
中文别名 3-羟基-2-吡嗪甲酸
2-羟基吡嗪-3-羧酸
3-羟基吡嗪-2-羧酸
英文别名 3-oxo-3,4-dihydropyrazine-2-carboxylic acid
MFCD00235136
2-Pyrazinecarboxylicacid,3,4-dihydro-3-oxo
3-hydroxy-pyrazine-2-carboxylic acid
3-Hydroxy-2-pyrazinecarboxylic acid
3-Oxo-3,4-dihydro-pyrazin-2-carbonsaeure
2-Oxo-1,2-dihydropyrazine-3-carboxylic acid
2-Hydroxy-3-pyrazinecarboxylic acid
3-Hydroxypiperazine-2-carboxylic acid
2-Carboxy-3-hydroxypyrazine
3-hydroxypyrazine-2-carboxylic acid
3-Oxo-3,4-dihydro-2-pyrazinecarboxylic acid
3-oxo-3,4-dihydro-pyrazine-2-carboxylic acid
2-pyrazinecarboxylic acid, 3,4-dihydro-3-oxo-
3-Hydroxypyrazinecarboxylic acid
密度 1.6±0.1 g/cm3
沸点 608.5±55.0 °C at 760 mmHg
熔点 218-220 °C
分子式 C5H4N2O3
分子量 140.097
闪点 321.8±31.5 °C
精确质量 140.022186
PSA 83.31000
LogP -1.17
蒸汽压 0.0±1.8 mmHg at 25°C
折射率 1.639
储存条件 室温, 避光, 惰性气体
Material Safety Data Sheet

Section1. Identification of the substance
Product Name: 2-Hydroxy-3-pyrazinecarboxylic acid
Synonyms:3,

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

Section3. Composition/information on ingredients.
Ingredient name:2-Hydroxy-3-pyrazinecarboxylic acid
CAS number:20737-42-2

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
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:

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
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C5H4N2O3
Molecular weight:140.1

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

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
危害码 (欧洲) Xi

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文献:BOEHRINGER INGELHEIM INTERNATIONAL GMBH Patent: US2012/94976 A1, 2012 ; Location in patent: Page/Page column 35-36 ;

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文献:Journal of the American Chemical Society, , vol. 67, p. 802,804

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20737-42-2结构式

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文献:Journal of the Chemical Society, , p. 1379,1380 Journal of the American Chemical Society, , vol. 71, p. 78,79, 80