二硫化碳    規(guī)格:99.0%   產(chǎn)地:韓國(guó)/德國(guó)    包裝:200kg/桶     價(jià)格:4100元/噸 

二硫化碳

Carbon disulfide

Cas號(hào): 75-15-0

分子式 CS2

分子量 76.14

別名 二硫化碳 

性狀 無(wú)色或微黃色透明液體，帶有芳香味，微溶于水，溶于 醚、乙醇等多數(shù)有機(jī)溶液，是有機(jī)物的良好溶劑。粗品二硫化碳含有微量硫及硫化氫等雜質(zhì)，呈淺黃色，并帶有惡臭味。二硫化碳易揮發(fā)，揮發(fā)度是 醚的1.6倍；易燃，有毒，對(duì)生物有害。     

密度: 1.262 

熔點(diǎn): -111 °C  

沸點(diǎn): 46 °C 

nD20: 1.627 

閃點(diǎn): -30 °C 

備注: 以上描述，僅作參考，并不表示您收到的產(chǎn)品，與此項(xiàng)描述完全相符，產(chǎn)品的出廠標(biāo)準(zhǔn)，請(qǐng)參見(jiàn)質(zhì)量標(biāo)準(zhǔn)。

質(zhì)量標(biāo)準(zhǔn)  

項(xiàng)目ltem                              分析純(AR)

含量assay                             ≥99.0%

沸程Boiling rande,℃                  46.0～47.0

蒸發(fā)殘?jiān)麰vaportion residue,%          ≤0.002

其它硫化物及硫Sulfur and

other sulfides                        合格

亞禁發(fā) 硫酸鹽及禁發(fā) 硫酸鹽(以SO4計(jì))

Sulfite and sulfate,%                 ≤0.002

項(xiàng)目                                    低苯超純級(jí)    (AR)

外觀Appearance                          透明液體

純度Purity                              >99.9% (GC)

色度Color scale                         <10 APHA

硫Sulfur (S)                            <0.0003 % (from H2S)

蒸發(fā)殘?jiān)黂esidue after evaporation       <0.002 %

苯Benzene                               <0.001 %

項(xiàng)目                                    ACS級(jí) (ACS, ≥99.9%)

appearance                             colorless liquid

infrared spectrum                      conforms to structure.

gas liquid                             99.90% (minimum)

water                                  ≤0.05% by karl fischer

color test                             ≤10 apha

hydrogen sulfide                       passes test (limit for h2s is ~1.5 ppm)

sulfur dioxide                         passes test (limit for so2 is ~2.5 ppm)

品級(jí)Grade                          色譜純    (for HPLC, ≥99.9%)

外觀Appearance                          Colorless Liquid

紅外光譜鑒別Infrared spectrometry       Conforms

純度Purity                              ≥99.9% GC (area %)

水分Water                               ≤0.03 % (by Karl Fischer)

蒸發(fā)殘?jiān)黂esidue on Evaporation          ≤0.0005 %

λ H2O reference

UV absorption

 λ: 386 nm                             ≤1.0

 λ: 388 nm                             ≤0.50

 λ: 394 nm                             ≤0.25

 λ: 403 nm                             ≤0.10

 λ: 410 nm                             ≤0.05

 λ: 500 nm                             ≤0.01

 λ: 750 nm                             ≤0.01

品級(jí)Grade                            光譜級(jí)   (for spectroscopy )

外觀Appearance                          無(wú)色液體

紅外光譜鑒別Infrared spectrometry       Conforms

純度Purity                              >99.5% (GC) 

水分Water                               ≤0.03 % (by Karl Fischer)

蒸發(fā)殘?jiān)黂esidue on Evaporation          ≤0.0005 %

色度Color Test                          ≤10 APHA

λ H2O reference

UV absorption

 λ: 386 nm                             ≤ 1.0

 λ: 388 nm                             ≤ 0.50

 λ: 394 nm                             ≤ 0.25

 λ: 403 nm                             ≤ 0.10

 λ: 410 nm                             ≤ 0.05

 λ: 500 nm                             ≤ 0.01

 λ: 750 nm                             ≤ 0.01   

貯存 密封陰涼保存。防止接觸明火。

用途 分析脂肪、樹(shù)脂和橡膠的溶劑。檢驗(yàn)伯胺、仲胺及α-氨基酸。測(cè)折光率。色譜分析用溶劑。粘膠纖維、羊毛去脂劑。

聯(lián)合國(guó)編號(hào) 1131

Risk： R11- R36/38- R48/23- R62/63- 

Safety : S16- S33- S36/37- S45- 

Hazard : F - T -