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Dimethyl sulfoxide, anhydrous, with molecular sieves 	无水二甲基亚砜,分子筛浸泡的

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  • Mol. Formula: (CH3)2SO
  • Mol. Weight: 78.13
  • Refractive index: n20/D 1.479(lit.)
  • Boiling Point: 189 °C(lit.)
  • Density: 1.10 g/mL(lit.)
  • Melting Point: 16-19 °C(lit.)
  • Flash Point: 95°C(lit.)
  • TSCA: Yes
  • Autoignition Point: 573 °F
  • Vapor Density: 2.7 (vs air)
  • Vapor Pressure: 0.42 mmHg ( 20 °C)
  • Appearance: {Chemicalbook} {Chemic...
  • Solubility: 溶于水,溶于乙醇、丙酮、乙醚、氯仿等。
  • Stability: 易吸潮
Chemical NameDimethyl sulfoxide
Synonym
  • 二甲亚砜/DMSO
  • Dimethyl sulphoxide
  • Rimso-50
  • Durasorb
  • Syntexan
  • Demavet
  • 二甲基亚砜
  • DMSO
  • 甲基亚砜
CAS Number67-68-5
PubChem Substance ID 24893703
EC Number200-664-3
Beilstein Registry Number506008
MDL NumberMFCD00002089
Reaxys-RN506008
Merck Number3259
Chemical Name Translation二甲基亚砜
Wiswesser Line NotationOS1&1
LabNetwork Molecule IDLN00163813
WGK Germany1
Personal Protective Equipment
  • Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
  • Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)
  • Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECSPV6210000
Signal word
  • Warning
  • {TCI}
GHS Symbol
Safety Statements
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Precautionary statements
  • P332+313 IF SKIN irritation occurs: Get medical advice/attention. 如果发生皮肤刺激:获取医疗咨询/就医。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H316 Causes mild skin irritation 会轻微的刺激皮肤
Storage condition
  • 充氩储存
  • Store at RT.
  • 吸湿性强,密封保存。
  • Hygroscopic
Hazard Codes
  • Xi
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 220 gm/kg/82W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Skin and Appendages - tumors
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: 28(5),39,1984

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 66 gm/kg/66W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Skin and Appendages - tumors
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: 28(5),39,1984

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 65340 mg/kg/66W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Blood - leukemia
   Skin and Appendages - tumors
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: 28(5),39,1984

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 59 gm/kg/81W-I
TOXI

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : >5500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPPMAB Journal of Pharmacy and Pharmacology.  (Pharmaceutical Soc. of Great
   Britain, 1 Lambeth High St., London SEI 7JN, UK)  V.1-    1949-
   Volume(issue)/page/year: 15,688,1963

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5360 mg/kg
TOXIC EFFECTS :
   Behavioral - tremor
   Behavioral - muscle weakness
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   7,104,1965

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 7920 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CHTPBA Chimica Therapeutica.  (Paris, France)  V.1-8, 1965-73.  For
   publisher information, see EJMCA5.  Volume(issue)/page/year: 3,10,1968

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3100 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - hemorrhage
   Sense Organs and Special Senses (Eye) - conjunctive irritation
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   15,74,1969

{hazard_com

TYPE OF TEST            : LD50 - Lethal do

TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 70 gm/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V

TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 6200 ppm
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 263,107,1991

TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 8 pph
REFERENCE :
   BBRCA9 Biochemical and Biophysical Research Communications.  (Academic
   Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1959-
   Volume(issue)/page/year: 49,1336,1972

TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 25 pph
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 303,127,1993

TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 1 pph
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 42,109,1977

TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 1400 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 45,309,1977

TYPE OF TEST

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 5500 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   JEEMAF Journal of Embryology and Experimental Morphology.  (Essex, UK)
   V.1-98, 1953-86. For Publisher information, see DEVPED
   Volume(issue)/page/year: 16,49,1966

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOS

TYPE OF TEST            : TDLo - Lowest pu

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 56 gm/kg
SEX/DURATION            : female 6-12 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - abortion
REFERENCE :
   ANYAA9 Annals of the New York Academy of Sciences.  (New York Academy of
   Sciences, 2 E. 63rd St., New York, NY 10021)  V.1-    1877-
   Volume(issue)/page/year: 141,110,1967

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 240 gm/kg
SEX/DURATION            : female 1-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences.
   (Paris, France)  V.1-261, 1835-1965.  For publisher information, see CRASEV.
    Volume(issue)/page/year: 260,327,1965

  • 可作有机溶剂、反应介质及有机合成中间体。用途极广。本品具有很高的选择性抽提能力,用作丙烯酸树脂及聚砜树酯的聚合和缩合溶剂、聚丙烯腈及乙酸纤维的聚合抽丝溶剂、烷烃与芳烃分离的抽提溶剂、用于芳烃、丁二烯抽提,腈纶纺丝、塑料溶剂及有机合成染料、制药等工业的反应介质。在医药方面,二甲基亚砜有消炎止痛作用,对皮肤有强渗透力,因而可溶解某些药物,使这类药物向人体渗透从而达到治疗目的。利用二甲基亚砜的这种载体特性,也可作为农药的添加剂。在某些农药中添加少量二甲基亚砜,有助于农药向植物内渗透,以提高药效。二甲基亚砜还可作为合成纤维的染色溶剂、去染剂、染色载体,也可作为回收乙炔、二氧化硫的吸收剂,合成纤维改性剂,防冻剂以及电容介质、刹车油、稀有金属提取剂等。
  • Tosylates or activated halides can be oxidized with DMSO to aldehydes and ketones (Kornblum oxidation). ɑ-Bromo ketones are oxidized at room temperature to ɑ-keto aldehydes: J. Am .Chem. Soc., 79, 6562 (1957). Benzylic halides, on heating in the presence of NaHCO3, give benzaldehydes: J. Am. Chem. Soc., 114, 6227 (1992). Under similar conditions at 150oC, primary alkyl iodides: J. Chem. Soc., 520 (1964), and alkyl chlorides and bromides in the presence of NaI: Synth. Commun., 16, 1343 (1986), are oxidized to aldehydes. Unactivated bromides have also been oxidized to aldehydes in the presence of Ag salts: Tetrahedron Lett., 917 (1974). For oxidation of benzyl alcohols to benzaldehydes, catalyzed by HBr, see: Synlett, 2041 (2002). DMSO is more often used in combination with a variety of activating agents for selective oxidation of primary and secondary alcohols to carbonyl compounds under very mild conditions. For examples, see: Oxalyl­ chloride, A18012, or Trifluoroacetic anhydride, A13614 (Swern oxidation), Acetic anhydride, L04295 (Albright-Goldman), N,N'-Dicyclohexyl­carbodiimide, A10973 (Pfitzner-Moffatt), Sulfur trioxide-pyridine complex, A12202 (Parikh-Doering), Triphosgene, A14932 and Phenyl­ phosphorodichloridate, A10479. Reviews: Synthesis, 70
  • Malonic and ß-keto esters can be conveniently decarboalkoxylated by heating in wet DMSO: J. Org. Chem., 43, 138 (1978), avoiding the need for separate hydrolysis and d
  • Dipolar aprotic solvent with advantages over e.g. N,N-Dimethyl­formamide, A13547, 1-Methyl-2-pyrrolidinone, A12260 of lower toxicity and generally higher solvent power for many types of material.
  • Aromatic amines can be substituted in the para-position by reaction with DMSO in the presence of conc. HCl with or without CuCl to give 4-aminobenzaldehydes: J. Chem. Soc., Perkin 1, 2235 (1992). The intermediate species is
  • Tosyla
  • Merck: 14,3259
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