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Dimethyl sulfoxide

Cas:
67-68-5
Molecular Structure:
MDL:
--MFCD00002089
Molecular Formula:
C2H6SO;(CH3)2SO
Molecular Weight:
78.13
Alias:
二甲亞砜,甲基亞楓,亞硫?;p甲烷 DMSO Methyl sulfoxide
Product order:
Name Specifications Packing Price Delivery
Dimethyl sulfoxide 細(xì)胞培養(yǎng)級(jí) 50ml RMB 396 現(xiàn)貨
Dimethyl sulfoxide ACS,>99.9% 100ml RMB 82.5 現(xiàn)貨
Dimethyl sulfoxide ACS,>99.9% 500ml RMB 187 現(xiàn)貨
Dimethyl sulfoxide 多肽合成專(zhuān)用 500ml RMB 316.8 Consulting service
Dimethyl sulfoxide 分光純 500ml RMB 206.8 Consulting service
Dimethyl sulfoxide GR 10L RMB 1078 Consulting service
Dimethyl sulfoxide GR 2.5L RMB 327.8 Consulting service
Dimethyl sulfoxide 農(nóng)殘級(jí) 4L RMB 968 Consulting service
Dimethyl sulfoxide 農(nóng)殘級(jí) 500ml RMB 195.8 Consulting service
Dimethyl sulfoxide 藥用級(jí) 500ml RMB 85.8 Consulting service
Dimethyl sulfoxide 分子生物學(xué)專(zhuān)用,≥99.9% 250ml RMB 228.8 Consulting service
Dimethyl sulfoxide 無(wú)水溶劑級(jí) 500ml RMB 228.8 Consulting service
Dimethyl sulfoxide HPLC, 99.9% 4L RMB 858 Consulting service
Dimethyl sulfoxide HPLC, 99.9% 1L RMB 228.8 Consulting service
Dimethyl sulfoxide HPLC, 99.9% 500ml RMB 140.8 Consulting service
Character:
無(wú)色透明液體,近于無(wú)氣味,微有苦味。有很強(qiáng)的極性,并有吸濕性溶于水、乙醇、丙酮、乙醚、苯和氯仿,不溶于除乙炔以外的脂肪烴。能溶解環(huán)氧乙烷、苯甲酸、樟腦、糖類(lèi)、油脂等,也能溶解二氧化硫、二氧化氮、氯化鈣、硝酸鈉。
密度: 1.1  
熔點(diǎn): 18.4 °C  
沸點(diǎn): 189 °C  
折光率: 1.477-1.48  
閃點(diǎn): 87 °C  
Quality Standard:
 
   項(xiàng)目                               分析純    
                                    (AR)
純度purity                         >99.0% (GC )
結(jié)晶點(diǎn)/℃                          18.0~20.0  
密度Density(20℃)/(g/mL)       1.098~1.106  
水分water                          ≤0.2%  
折光率Refractive index n20/D       1.478~1.480


項(xiàng)目                               優(yōu)級(jí)純                
                                   (GR)
純度purity                         >99.8% (GC )
外觀Appearance                     無(wú)色透明液體
色度Color scale                    <10 APHA
水分Water                          <0.1 %
蒸發(fā)殘?jiān)黂esidue after evaporation  <0.003 %
酸Acidity                          <0.04 mg KOH/g


項(xiàng)目                                    農(nóng)殘級(jí)    
                                     (for residue analysis)
外觀Appearance                          無(wú)色液體
純度Purity                              >99.8% (GC)
紫外吸收UV Absorbance:
Wavelength (nm) Max. Absorbance
  268                                   1.000
  275                                   0.500
  300                                   0.200
  350                                   0.020
  400                                   0.005
折光率Refractive Index at 20°C         1.4785 ± 0.0015
蒸發(fā)殘?jiān)黂esidue                         <5 mg/L
水分Water                               <250 ppm
(注:農(nóng)殘級(jí)適合HPLC、GC、農(nóng)殘分析、光譜分析、有機(jī)合成等多用途高純?nèi)軇?/P>


項(xiàng)目                               分光純
                             (for spectroscopy )
純度purity                         >99.90 % (GC )
外觀Appearance                     無(wú)色透明液體
色度Color scale                    <10 APHA
水分Water                          <0.05 %
UV at 270 nm A:                    <0.5
   at 280 nm A:                    <0.3
   at 290 nm A:                    <0.2
   at 300 nm A:                    <0.1
   at 320 nm A:                    <0.05
   at 360 nm A:                    <0.01
蒸發(fā)殘?jiān)黂esidue after evaporation  <0.005 %

項(xiàng)目                               無(wú)水溶劑級(jí)              
                          (water <50 ppm, extra dry )
純度purity                         >99.7%(GC )
外觀Appearance                     無(wú)色透明液體
色度Color scale                    <5 APHA
水分Water                          <0.005 %(Coulometric)
乙酸Acidity (CH3COOH)              <0.003 %
蒸發(fā)殘?jiān)黂esidue after evaporation  <0.0005 %
0.2um過(guò)濾膜 Filt.over 0.2 micron   PFTE

項(xiàng)目                               分子生物學(xué)專(zhuān)用          
                     ( DNAse, RNAse and Protease free)
純度purity                         >99.80%(GC )
外觀Appearance                     無(wú)色透明液體
色度Color scale                    <20 APHA
水分Water                          <0.1 % (Coulometric)
蒸發(fā)殘?jiān)黂esidue after evaporation  <0.001 %
Dnase,Rnase,Protease檢測(cè)           未檢測(cè)到

項(xiàng)目                               多肽合成專(zhuān)用  
                                   (for peptide synthesis)
純度purity                         >99.80%  (GC )
外觀Appearance                     無(wú)色透明液體
水分Water                          <0.005 %(K.F.)
酸Acidity (CH3COOH)                <0.003 %
游離胺Free amine                   <0.0002 %
蒸發(fā)殘?jiān)黂esidue after evaporation  <0.001 %

ACS級(jí)
項(xiàng)目名稱(chēng)                            ACS Grade
含量[(CH3)2SO]Assay                 ≥99.9%
蒸發(fā)殘?jiān)黂esidue after evaporation   ≤0.01%
可滴定酸Titrable acid               ≤0.001meq/g
水分(H2O)Water                      ≤0.1%


色譜純
適用于HPLC
含量                                   ≥99.9%(GC)
吸光度
λ:270nm                               Amax:0.70
λ:280nm                               Amax:0.30
λ:300nm                               Amax:0.10
λ:350nm                               Amax:0.01
不揮發(fā)物                               ≤0.002%
水分                                   ≤0.2%


項(xiàng)目                                    醫(yī)藥級(jí)    
                                        (Medicine Grade)
含量assay(以DMSO計(jì))%                    ≥99.90
結(jié)晶點(diǎn)Crystalizing Point ℃             ≥18.30
酸值A(chǔ)cid Value mgKOH/g                  ≤0.02
折光率befractive index 20℃             1.4775-1.4790
紫外消光值UV Absorption :
   275nm                                ≤0.30
   285nm/275nm                          ≤0.65
   295nm/275nm                          ≤0.45


項(xiàng)目                                    電子級(jí)    
                                      (Electronic Grade)
含量assay(以DMSO計(jì))%                    ≥99.90 (GLC)
比重Specific Gravity(g/cc)              >1.09
結(jié)晶點(diǎn)Crystalizing Point ℃             ≥18.30
酸值,MEQ/G Titratable Acid, MEQ/G       ≤0.001
水分%  Water,%                          ≤

Storage:
吸濕性強(qiáng),密封保存。
用途  可作有機(jī)溶劑、反應(yīng)介質(zhì)及有機(jī)合成中間體。用途極廣。本品具有很高的選擇性抽提能力,用作丙烯酸樹(shù)脂及聚砜樹(shù)酯的聚合和縮合溶劑、聚丙烯腈及乙酸纖維的聚合抽絲溶劑、烷烴與芳烴分離的抽提溶劑、用于芳烴、丁二烯抽提,腈綸紡絲、塑料溶劑及有機(jī)合成染料、制藥等工業(yè)的反應(yīng)介質(zhì)。在醫(yī)藥方面,二甲基亞砜有消炎止痛作用,對(duì)皮膚有強(qiáng)滲透力,因而可溶解某些藥物,使這類(lèi)藥物向人體滲透從而達(dá)到治療目的。利用二甲基亞砜的這種載體特性,也可作為農(nóng)藥的添加劑。在某些農(nóng)藥中添加少量二甲基亞砜,有助于農(nóng)藥向植物內(nèi)滲透,以提高藥效。二甲基亞砜還可作為合成纖維的染色溶劑、去染劑、染色載體,也可作為回收乙炔、二氧化硫的吸收劑,合成纖維改性劑,防凍劑以及電容介質(zhì)、剎車(chē)油、稀有金屬提取劑等。
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