4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-羧酸甲酯-1,1-二氧化物 | 35511-15-0

• 物质功能分类: 分析化学 - 标准品 - 药典标准品和杂质标准品
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并噻嗪类
• 中文名称: 4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-羧酸甲酯-1,1-二氧化物
• 中文别名: 2-溴苯甲酸甲酯；2-甲基-4-羟基-2H-1,2-苯并异噻嗪-3-羧酸甲酯-1,1-二氧化物；2-甲基-4-羟基-2H-1,2-苯并噻唑-3-羧酸甲酯-1,1-二氧化物；吡罗昔康甲基物；2-甲基-4-羟基-2H-1,2-苯并噻唑-3-羟酸甲酯-1,1-二氧化物；吡罗昔康杂质J；甲基4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-羧酸盐1,1-二氧化物；2-甲基-4-羟基-2H-1,2-苯并异噻嗪-3-羧酸乙酯-1,1-二氧化物
• 英文名称: methyl 2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
• 英文别名: methyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide；4-hydroxy-3-carbomethoxy-2-methyl-2H-1,2-benzothiazine 1,1-dioxide；2-methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-dioxide；methyl 4-hydroxy-2-methyl-1,1-dioxo-1λ6,2-benzothiazine-3-carboxylate
• CAS: 35511-15-0
• 化学式: C₁₁H₁₁NO₅S
• mdl: MFCD00071766
• 分子量: 269.278
• InChiKey: NGHIOTWSWSQQNT-UHFFFAOYSA-N

物化性质

• 熔点：
  163-165°C
• 沸点：
  439.9±55.0 °C(Predicted)
• 密度：
  1.514±0.06 g/cm3(Predicted)
• 溶解度：
  可溶于氯仿（少许）、甲醇（少许）

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  18
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.181
• 拓扑面积：
  92.3
• 氢给体数：
  1
• 氢受体数：
  6

安全信息

• 海关编码：
  2934991000
• WGK Germany：
  3
• 危险性防范说明：
  P261,P280,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H332,H335
• 储存条件：
  -20°C 冰箱

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic methyl ester-1,1-dioxide
Synonyms:

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

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Section 3. Composition/information on ingredients.
Ingredient name: 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic methyl ester-1,1-dioxide
CAS number: 35511-15-0

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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.

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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.

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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.

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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, refrigerated.
Storage:

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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.

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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: C11H11NO5S
Molecular weight: 269.3

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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, sulfur oxides.

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Section 11. Toxicological information
No data.

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Section 12. Ecological information
No data.

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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.

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

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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.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

用途：它是合成炎痛喜康等镇痛药物的中间体。