名稱:對甲苯亞磺酸鈉
 

純度:≥98 % 包裝:25kg/桶
結構式
    

CAS: 824-79-3
分子式: C7H7NaO2S
分子量: 178.18
 
中文名稱: 對甲苯磺酸鈉鹽
                      對甲苯亞磺酸鈉
                      SPTS
 
英文名稱: 4-Methylbenzenesulfinic acid, sodium salt
                      Sodium 4-methylbenzenesulfinate
                      p-toluenesulfinic acid, sodium salt
                      4-methyl-benzenesulfinic acid sodium salt
                      p-toluensulfinan sodny
                      sodium 4-toluenesulfinate
 
性狀描述: 白色粉末,溶于乙醇、水及乙醚。熔點300℃

質量標準:
外觀          白色粉未 
含量           ≥98%
pH (10%)    ≤7-9.5
水份            ≤1.0%
氯化鈉        ≤1.0% 
硫酸鈉        ≤2.0% 
堿性            ≤0.05% 

 
用途:用作醫藥、分散染料中間體,也用作灌漿材料固化劑。

其它信息:

Product Identification
【Product Name】4-Toluenesulfinic acid sodium salt
【Synonyms】Sodium p-toluenesulfinate  對甲苯亞磺酸鈉
【CAS】824-79-3
【Formula】C7H7NaO2
【Molecular Weight】146.12
【EINECS】212-538-5
【RTECS】XT4725000
【RTECS Class】Other
【Merck】12,9670
【Beilstein/Gmelin】4621454

Physical and Chemical Properties
【Appearance】White crystalline powder.
【Heat Of Vaporization】

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
【Storage】Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification
【Ingestion】May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【EC Safety Phrase】S 22 24/25

Exposure Controls/Personal Protection
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Incompatibilities】Oxidizing agents.
【Stability】Stable under normal temperatures and pressures.
【Decomposition】Carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide.



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