Dimethyl disulfide 二甲基二硫

CAS 624-92-0 MFCD00008561

化学结构图

624-92-0
SMILES: CSSC

化学属性

Mol. FormulaC2 H6 S2
Mol. Weight94.2
Refractive index1.5240 to 1.5270
Boiling Point
Density1.062
Melting PointNo Data Available
Flash Point7°C(lit.)
TSCAYes
Autoignition Point>;572 °F
Vapor Density3.24 (vs air)
Vapor Pressure22 mmHg ( 20 °C)
Solubility<0.1 G/100 ML AT 20 ºC
pH:A

别名和识别编码

Chemical NameDimethyl disulfide
Synonym (CH3S)2 (Methyldisulfanyl)methane (Methyldithio)methane 2,3-DITHIABUTANE 2,3-dithiabutane 2,3-dithiobutane DIMETHYL DISULFIDE DIMETHYL DISULPHIDE DMDS DMDS 甲基二硫醚 DMDS; 2,3-Dithiabutane Dimethyl Disulfide {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
CAS Number624-92-0
PubChem Substance ID87567352
EC Number210-871-0
Beilstein Registry Number1(4)1281
MDL NumberMFCD00008561
Chemical Name Translation二甲基二硫
Wiswesser Line Notation1SS1
LabNetwork Molecule IDLN00195394
Reaxys-RN1730824
InChIInChI=1S/C2H6S2/c1-3-4-2/h1-2H3
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分类

  • Allium cepa (Onion),
  • {SNA} A-D, Alphabetical Listings, C-D, Flavors and Fragrances, Kosher Certified Products
  • {SNA} Allium cepa (Onion), Allium sativum (Garlic), Building Blocks, Chemical Synthesis, Organic Building Blocks, Phytochemicals by Plant (Food/Spice/Herb), Sulfides/Disulfides, Sulfur Compounds, 细胞生物学, 营养研究
  • {uni_hamburg} no charge; 1fragment
  • {SNA} Allium cepa (Onion), Allium sativum (Garlic), Building Blocks, Cell Biology, Chemical Synthesis, Nutrition Research, Organic Building Blocks, Phytochemicals by Plant (Food/Spice/Herb), Sulfides/Disulfides, Sulfur Compounds
  • {SNA} Building Blocks,

相关文献及参考

  • 1. B.M. Trost Chem. Rev. 78 , 363, (1978)
  • Beil. 1 ,IV,1281
  • Fieser 5 ,246 / Fieser 6 ,217 / Fieser 8 ,189
  • Arctander , 1006 / Corp MSDS 1 (2), 2341:B / FT-IR 1 (1), 264:C / FT-NMR 1 (1), 425:B / Fenaroli , 498 / NMR-Reference 2 (1), 215:B / RegBook 6 (1), 285:B / RegBook 1 (1), 285:B / Sax 6 , 1156 / Structure Index 1 , 38:E:9 / Vapor Phase 3 , 347:C
  • Short: II/14a Title: Molecular Constants: Diamagnetic Molecules Author: Demaison, J.; Dubrulle, A.; Hüttner, W.; Tiemann, E. Editor: Hellwege, K.-H.; Hellwege, A.M. Source: Landolt-Börnstein, New Series Volume: II/14a Page: 1-788 Year: 1982 Keyword: organic compounds; molecular constants; spectroscopy; microwave spectroscopy ISBN: 3-540-11365-7 ISBN: 978-3-540-11365-2 Internet Resource: DOI:10.1007/b19966 RefComment: 196 figs., XI
  • Short: II/24B Title: Molecular Constants mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy: Rotational, Centrifugal Distortion and Related Constants of Diamagnetic Asymmetric Top Molecules Author: Demaison, J.; Vogt, J.; Wlodarczak, G. Editor: Hüttner, W. Source: Landolt-Börnstein, New Series Volume: II/24B Year: 2000 Keyword: Diamagnetics Diatomics; Linear Symmetric Rotors; Molecular Constants; Molecules ISBN: 3-540-65345-7 ISBN: 978-3-540-65345-5 Internet Resource: DOI:10.1007/b58835 RefComment: VIII, 525 pages. Hardcover Abstract: Volume II/24 presents the spectroscopic data on diamagnetic and paramagnetic molecules as well as on molecular ions and radicals up to date considering the publication
  • Non-aqueous diazotization of arylamines with isoamyl nitrite in the presence of Me2S2 provides a convenient route to aryl methyl sulfides: Synth. Commun., 31, 1857 (2001). Alkyl methyl sulfides have been prepared by disproportionation of symmetrical disulfides with Me2S2 in the presence of NaOH: Chem. Lett., 755 (1999).

安全信息

GHS Symbol
WGK Germany3
Hazard Codes
Hazard statements
  • H225 Highly flammable liquid and vapour 高度易燃液体和蒸气
  • H302 Harmful if swallowed 吞食有害
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H331 Toxic if inhaled 吸入中毒
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H411 Toxictoaquaticlifewithlonglastingeffects 对水生生物有毒性并具有长期影响。
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSJO1927500
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。
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P233 Keep container tightly closed. ?保持容器密闭。
  • P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
  • P241+P242+P243
  • 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。
  • 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+P310+P330
  • P302+P352+P332+P313+P362+P364
  • P304+P340+P311
  • P305+
  • P305+P351+P338+P337+P313
  • P308+P313
  • P370+P378
  • P391 Collect spillage. Hazardous to the aquatic environment 收集对水环境有危害的泄漏物。
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word
UN Number 2381
Risk Statements
  • R51/53
  • R26 Very toxic by inhalation 吸入极毒
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R22 Harmful if swallowed 吞咽有害
  • R11 Highly flammable 非常易燃
Safety Statements
  • S61 Avoid release to the environment. Refer to special instructions/safety data sheet 避免释放到环境中,参考特别指示/安全收据说明书;
  • 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;
  • S38 In case of insufficient ventilation wear suitable respiratory equipment 通风不良时,佩带适当的呼吸器;
  • S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
  • 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);
  • 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;
  • S28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 皮肤接触后,立即用大量…(由生产厂家指定)冲洗;
Packing GroupII
Hazard Class3/6.1
Storage condition Flammables area No Data Available
Warnings 危化品目录(2015)
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 138 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 16(6),46,1972

TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 12300 ug/m3/2H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 16(6),46,1972

TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 15850 ug/m3/2H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 16(6),46,1972

Restrict 危险品

其他信息

  • 所属类别一:食品添加剂: 食用香料(增香剂): 天然等同香料和人造香
  • 用途三:二
  • 方法三:由硫酸二甲酯与二硫化钠反应而得。在搅拌下将硫磺粉加入硫化钠溶液中,升温至80-90℃,反应1h,降温至30℃左右;将硫酸二甲酯滴入反应釜中,继续反应2h,然后蒸馏,静置分层,分出废碱液后,再经蒸馏而得成品。
  • 防护措施:小鼠吸入25mg/L 25min后死亡。所死动物呈肝变化,肾充血,支气管肺炎。易使中枢神经受损,但毒性较小。操作人员应穿戴防护用具。
  • 下游产品:甲基磺酰氯 --> 甲基磺酸 --> 促进剂 T --> 倍硫磷 --> 3-甲基-4-甲硫基苯酚 --> 苯线磷 --> 橡胶硫化促进剂 PZ --> 环戊硫醇 --> 4-(甲硫基)苯酚 --> 4-甲硫基-3,5-二甲基苯酚
  • 可燃性危险特性:遇明火、高温、氧化剂易燃; 遇酸或高热分解有毒氧化硫气体
  • 所属类别二:农药中间体: 杀虫剂中间体: 有机磷类杀虫剂
  • Acros Organics:二甲二硫 Methyldisulfide,99%(624-92-0)
  • 用途五:用作溶剂、催化剂的钝化剂、农药中间体、结焦抑制剂等。二甲二硫与甲酚反应生成2-甲基-4-羟基苯甲硫醚,然后与O,O-二甲基硫化磷酰氯在碱
  • 急性毒性:吸入-大鼠LC50:16毫克/立方米/2时;吸入-小鼠LC50:12 毫克/立方米/2小时
  • {Chemicalb
  • 常规方法:用铝桶或聚乙烯桶包装。铝桶为100kg,聚乙烯桶为3、5或20kg,贮存于阴凉、通风、干燥处。避免高温。
  • 图谱信息:二甲基二硫(624-92-0)红外图谱(IR1)
  • 使用限量:FEMA(mg/kg):焙烤食品16.9;冷冻乳制品4.8;肉类制品2.2;软糖9.4;胶冻和布丁8.3;
  • 方法二:由碘代甲基镁和二氯化二硫反应产生。 由二硫化二钠与甲基硫
  • 海关编码:29309070
  • 蒸气密度:3.24 (vs air)
  • 类别:易燃液体
  • 参考质量标准:FAO/WHO,1998 含量(GT-10-4) ≥97% 折射率(n D 20 ) 1.522~1.527 相对密度(d 20 20 ) 1.065
  • 食品添加剂最大允许使用量最大允许残留量标准:添加剂中文名称 允许使用该种添加剂的食品中文名称 添加剂功能 最大允许使用量(g/kg) 最大允许残留量(g/kg) 二甲基二硫醚 食品 食品用香料 用于配制香精的各香料成分不得超过在GB 2760中的最大允许使用量和最大允许残留量
  • 方法一:工业上采用硫酸二甲酯法合成二甲基二硫。Na 2 S+S→Na 2 S 2 Na 2 S 2 +(CH 3 ) 2 SO 4 →CH 3 SSCH 3 +Na 2 SO 4 将固体硫化钠及水投入反应釜内,加热,控制温度50~60℃,使硫化钠溶解,然后将等摩尔的硫磺分批加入,保温1h,冷却到45℃,开始滴加硫酸二甲酯,保持反应温度40~45℃之间,加完再保温1h,即可蒸出产品二甲基二硫。 此
  • 用途三:二甲基二硫又称二甲基二硫化物,用于合成有机磷杀虫剂
  • 上游原料:硫酸二甲酯 --> 硫磺 --> 硫化钠 --> 溴甲烷 --> 甲硫醇,压力包装,约为22克。 --> 二
  • 二甲基二硫价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 80052681 二甲基二硫(剧毒) L 796元 2011/08/23 80052680 二甲基二硫(剧毒) 250ml 900元 2011/08/23 L0967901 二甲基二硫(剧毒) 250g 156.5元
  • 用途一:用作溶剂和农药中间体,也是甲基磺酰氯及甲基磺酸产品的主要原料
  • 蒸气压:22 mm Hg ( 20 °C)
  • 用途二:用作溶剂和农药中间体、燃料和润滑油添加剂、乙烯裂解炉和炼油装置的结焦抑制剂等

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