Methanesulfonic Acid 甲烷磺酸

CAS 75-75-2 MFCD00007518

化学结构图

75-75-2
SMILES: CS(=O)(=O)O

化学属性

Mol. FormulaCH₄O₃S
Mol. Weight96.11
Density1.481
Refractive index1.4270 to 1.4310
Flash Point>110°C
TSCAYes
Boiling Point
Melting PointNo Data Available
Vapor Density3.3 (vs air)
Vapor Pressure1 mmHg ( 20 °C)
Solubility溶于水、乙醇、乙醚,微溶于苯、甲苯。
Stability对光,热和湿度敏感
pH:A

别名和识别编码

Chemical NameMethanesulfonic Acid
Synonym Mesylic acid Methane sulfonic acid Methanesulfonic Acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
MDL NumberMFCD00007518
CAS Number75-75-2
EC Number200-898-6
Beilstein Registry Number1446024
PubChem Substance ID87572203
Reaxys-RN1446024
Merck Number5954
Chemical Name Translation甲烷磺酸
Wiswesser Line NotationWSQ1
LabNetwork Molecule IDLN00195059
InChIInChI=1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)
Canonical SMILESCS(=O)(O)=O
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分类

  • {SA} Analy
  • {SNA} Alphabetical Index of Analytical Standards, Analytical Reagents, Analytical Standards, Analytical/Chromatography, Chromatography Reagents & Solvents, Eluent Concentrates for IC, Ion Chromatography Reagents, M, META - METH
  • {SNA} Analytical Reagents, Analytical/Chromatography, Buffers & Reagents, Chromatography Reagents & Solvents, HPLC, HPLC Buffers, HPLC Buffers - Solution, Ion Chromatography Reagents, Salts and Additives for IC,
  • {SNA} Acids, Acids & Bases, Chemical Synthesis, Organic Acids, Synthetic Reagents
  • {SNA} Chromatography Reage
  • {SNA} Amino Acid Analysis,
  • {SNA} Buffers & Reagents, Chromatography Reagents & Solvents,
  • {SNA} Amino Aci

产品应用

  • 用作溶剂以及烷化、酯化和聚合反应的催化剂,医药中间体,70% 浓度的用于电镀。

相关文献及参考

  • Strong acid which has been used for the deprotection of peptides; see Appendix 6.
  • Short: IV/18B
  • Short: IV/16
  • Cleaves methyl ethers of phenols in the presence of the soft nucleophile methionine as a methyl acceptor. Polymethoxyaldehydes or ketones undergo selective cleavage of the methoxy group meta to the carbonyl: J. Chem. Soc., Perkin 1, 2288 (1977). Similarly, in combination with dimethyl sulfide, selective O-demethylation of mixed phosphate esters occurs: Synthesis, 451 (1983).
  • Short: III/38B

安全信息

Signal word Danger
GHS Symbol
WGK Germany1
Safety Statements
  • S20 When using do not eat or drink 使用时,不得进食,饮水;
  • S23 Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) 不要吸入气体/烟雾/蒸汽/喷雾;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36 Wear suitable protective clothing 穿戴适当的防护服;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
Risk Statements
  • R34 Causes burns 会导致灼伤
Precautionary statements
  • P201 Obtain special instructions before use. 使用前获取专门指示。
  • P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前,切勿操作。
  • P234 Keep only in original container. 只保留在原来的容器中。
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P330+P331
  • P301+P330+P331+P310
  • P302+P350
  • P303+P361+P353
  • P303+P361+P353+P310+P363
  • P304+P340+P310
  • P305+P351+P338
  • P305+P351+P338+P310
  • P308+P313
  • P361 Remove/Take off immediately all contaminated clothing. 立即去除/脱掉所有被污染的衣服。
  • P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P406 Store in corrosive resistant/… container with a resistant inner liner. 存放在耐腐蚀/具有耐性的内衬容器。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H302 Harmful if swallowed 吞食有害
  • H302+H312
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Hazard Codes 8 C
Personal Protective Equipment Eyeshields, Gloves Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSPB1140000
UN Number 2586 3265 UN2586
Storage condition 4 Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
Packing GroupII
Hazard Class8
Warnings 危化品目录(2015)
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   KODAK* Kodak Company Reports.  (343 State St., Rochester, NY 14650)
   Volume(issue)/page/year: 21MAY1971

TYPE OF TEST            : LC - Lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >330 ppm/6H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   KODAK* Kodak Company Reports.  (343 State St., Rochester, NY 14650)
   Volume(issue)/page/year: 21MAY1971

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   KODAK* Kodak Company Reports.  (343 State St., Rochester, NY 14650)
   Volume(issue)/page/year: 21MAY1971

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - quail
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JRPFA4 Journal of Reproduction and Fertility.  (Biochemical Soc. Book Depot,
   POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK)  V.1-    1960-
   Volume(issue)/page/year: 48,371,1976

Restrict 危险品

其他信息

  • 蒸气压:1 mm Hg ( 20 °C)
  • 用途一:用作溶剂、烷化、酯化和聚合反应的催化剂,也用于医药及电镀行业
  • 图谱信息:甲基磺酸(75-75-2)红外图谱(IR1)
  • Sigma Aldrich:75-75-2(sigmaaldrich)
  • 甲基磺酸盐电镀液:甲基磺酸是一种苛性化学物质,简称MSA,在电镀领域有着广泛的应用前景,已被证明是氟硼酸或酚磺酸的良好替代物。 甲基磺酸盐电镀液已经应用到锡和锡铅合金电镀上,产品特点如下: 1.甲基磺酸型的光亮纯锡电镀,镀层结晶细致,均匀,呈光亮银白色,具有良好的可焊性,适用于电子行业。 2.
  • 溶于水、乙醇和乙醚,26-28℃时微溶于苯、甲苯和邻氯甲苯,不溶于己烷和甲基环戊烷。在沸水、热碱液中水解。能腐蚀铁、钢、黄铜和铅。最小致死量(大鼠,经口)200mg/kg。有腐蚀性。
  • 甲基磺酸盐电镀液:甲基磺酸是一种苛性化学物质,简称MSA,在电镀领域有着广泛的应用前景,已被证明是氟硼酸或酚磺酸的良好替代物。 甲基磺酸盐电镀液已经应用到锡和锡铅合金电镀上,产品特点如下: 1.甲基磺酸型的光亮纯锡电镀,镀层结晶细致,均匀,呈光亮银白色,具有良好的可焊性,适用于电子行业。 2.该电镀液具有较高的电镀速度,较宽的电流密度范围,较快的沉积速度,极佳的深镀能力。 3.经标准老化试验或长期存放后,仍能保持良好的焊接性能。 4.不含氟硼酸,废水处理容易,腐蚀性低,利于环保。
  • 下游产品:甲基磺酰氯 --> (S)-7,7'-双[二(3,5-二甲基苯基羟亚磷基))-1,1'-螺二氢茚 --> (R)-7,7'-二联苯羟亚膦-1,1'-螺旋菌 --> (S)-1,1-螺二氢茚-7,7-二酚 --> (11AR)-(+)-10,11,12,13-四氢茚并[7,1-DE:1',7'-FG][1,3,2]二氧磷-5-双[-1-苯乙基]胺 --> 十二烷基苯磺酸钠 --> 苯基-[R-1,1-螺二氢茚-7,7-二基]-亚磷酸酯 --> C545T --> N-二甲基
  • 蒸气密度:3.3 (vs air)
  • 上游原料:甲基磺酰氯 --> S-甲基异硫脲硫酸盐 --> 氢氧化钡 --> 二甲基二硫 --> 糖浆 -
  • 用途二:用作催化剂
  • 可燃性危险特性:可燃; 受
  • color:brown
  • MOL 文件:75-75-2.mol
  • 储运特性:库房通风低温干燥; 与氧化剂、碱类分开存放。
  • 海关编码:29041000
  • {Chemical
  • 用途三:甲烷磺酸是医药和农药的原料,还可用
  • 灭火剂:砂土、泡沫、雾状水
  • 用途四:用作溶剂以及烷化、酯化和聚合反应的催化剂,医药中间体,70% 浓度的用于电镀。
  • 急性毒性:口服- 大鼠 LDL0: 200 毫克/ 公斤
  • 方法一:由硫氰酸甲酯经硝酸氧化而得。将硝酸及效负水小心加热至80-88℃,分次加入硫氰酸甲酯,温度自动上升至105℃左右。待反应缓和后,加热到120℃、反应5小时,得粗品。将粗品用交换水冲稀,加25%氢氧化钡溶液调至pH值
  • 方法一:由硫氰酸甲酯经硝酸氧化而得。将硝酸及效负水小心加热至80-88℃,分次加入硫氰酸甲酯,温度自动上升至105℃左右。待反应缓和后,加热到120℃、反应5小时,得粗品。将粗品用交换水冲稀,加25%氢氧化钡溶液调至pH值为8-9,过滤。滤液深缩至有结晶析出,结晶用甲醇洗去硝酸根,得甲烷磺酸钡。再将基加入交换水煮沸,趁热加硫酸分解,过滤,滤液减压浓缩至不出水为止,即得成品。另一种制法是由甲基异硫脲硫酸盐经氯化、氧化、水解而得。将甲基异硫脲硫酸盐加入水中,于20-25℃通入氯气,至溶液颜色转黄,并在瓶底出现油层、温度下降、排气管有大量余氯排出等现象,则为反应终点。反应液用氯仿提取,提取液经干燥后在60-62℃常压蒸出氯仿,然后减压蒸馏,收集60-65℃(2.67kPa)馏分,得甲基磺酰氯。将基在搅拌下滴加80℃热水中,保温水解约2h,至反应液内油滴状物完成消失为止。反应液减压浓缩

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