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67-68-5 C2H6OS Dimethyl sulfoxide CAS NO.67-68-5

Min.Order Quantity:: 1 Kilogram

Purity:: 99%

Port:: Shanghai/Tianjin/Qingdao

Payment Terms:: L/C,D/A,D/P,T/T,

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Product Details

Keywords

(CH3)2SO
Decap
Deltan

Quick Details

ProName: 67-68-5 C2H6OS Dimethyl sulfoxide
CasNo: 67-68-5
Molecular Formula: C2H6OS
Appearance: colourless liquid
Application: 67-68-5 ...
DeliveryTime: 7-10 days after payment
PackAge: As required
Port: Shanghai/Tianjin/Qingdao
ProductionCapacity: 100-200 Kilogram/Month
Purity: 99%
Storage: Store at RT.
Transportation: By air/sea/express
LimitNum: 1 Kilogram
Grade: Pharma Grade

Superiority

about certificate

1.certificate of analysis (coa)
2.material safety data sheet (msds)
3.route of synthesis (ros)
4.method of aanlysis(moa)
5.nuclear magnetic resonance(nmr)

about service

1. quality control, before shipment, free sample for test.
2. prompt shipment with professional documents
3. packing as your request, with photo before shipment
4. mixed containers with different mixed items in one container

about company

hennan sunlake enterprise corporation is located in henan province , the central plain of china , which enjoys favorable geogeaphical position and convenient transportion, the com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .

sunlake is a professional manufacturer engaged in producing and selling chemicals,including organic & inorganic chemicals , pigments & dyestuffs , water treatment chemicals , food & feed additives and others . these products have been being well exported to europe , southeast asia , the middle east , africa , south america and some other countries and areas.

we sincerely welcome foreign friends to visit our plant for cooperation. with the idea of "quality first,credit priority, excellent service", we are highly acknowledged by customers for good quality and competitive price. more importantly , the company has a strong r & d team, who are professional engineers and scholars with ph. d. .so we are confident to serve you better with our high - quality products and professional team.

we are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional wupplier in international market.

we welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate with you for a brilliant future!

Details

product name:	dimethyl sulfoxide
synonyms:	(ch3)2so;a 10846;a10846;decap;deltan;demasorb;demavet;demeso
cas:	67-68-5
mf:	c2h6os
mw:	78.13
einecs:	200-664-3

mol file:	67-68-5.mol

dimethyl sulfoxide chemical properties

mp	18.4 °c
bp	189 °c(lit.)
density	1.100 g/ml at 20 °c
vapor density	2.7 (vs air)
vapor pressure	0.42 mm hg ( 20 °c)
fema	3875
refractive index	n20/d 1.479(lit.)
fp	192 °f
storage temp.	store at rt.
form	liquid (temperature dependent)
color	clear colorless
freezingpoint	18.4℃
sensitive	hygroscopic
merck	14,3259
brn	506008
stability:	stable. incompatible with a very wide range of materials, including acid chlorides, strong acids, strong oxidizing agents, strong reducing agents, phosphorus halides, moisture, copper wool + trichloroacetic acid. reacts violently with a number of materials - consult a full data sheet before use. hygroscopic.
cas database reference	67-68-5(cas database reference)
nist chemistry reference	dimethyl sulfoxide(67-68-5)
epa substance registry system	methane, sulfinylbis-(67-68-5)

safety information

hazard codes	xi
risk statements	36/37/38
safety statements	24/25-37/39-26-36-23
wgk germany	1
rtecs	pv6210000
f	3
hs code	29309070
hazardous substances data	67-68-5(hazardous substances data)

chemical properties	colourless liquid
usage	dmso is a polar aprotic solvent used in chemical reactions, in polymerase chain reactions (pcr) and as a cryoprotectant vitrification agent for the preservation of cells, tissues and organs. dmso is used in cell freezing media to protect cells from ice crystal induced mechanical injury. it is used for frozen storage of primary, sub-cultured, and recombinant heteroploid and hybridoma cell lines; embryonic stem cells (esc), and hematopoietic stem cells. dmso is frequently used in the combinations with bsa or fetal bovine serum (fbs).
usage	human and animal cell lines grown in culture are generally stored frozen. freezing protects the cell line from changes due to genetic drift and minimizes risk of contamination. liquid nitrogen used in conjunction with a cryoprotective agent such as dmso is a widely used method for preserving cells. without the presence of a cryoprotective agent, freezing is lethal to most mammalian cells. damage is caused by mechanical injury by ice crystals, concentration of electrolytes, ph changes, and denaturation of proteins. these lethal effects are minimized by adding a cryoprotective agent which lowers
usage	dimethyl sulfoxide (1-10%) has been shown to accelerate strand renaturation and is believed to give the nucleic acid thermal stability against depurination. as a pcr cosolvent, dmso may help improve yields, especially in long pcr.
usage	a polar aprotic solvent used in polymerase chain reactions (pcr) and as a cryoprotectant vitrification agent for the preservation of cells, tissues and organs.
usage	suitable for hplc, spectrophotometry, environmental testing
general description	a clear liquid, essentially odorless. closed cup flash point 192°f. vapors are heavier than air. contact with the skin may cause stinging and burning and lead to an odor of garlic on the breath. an excellent solvent that can transport toxic solutes through the skin. high vapor concentrations may cause headache, dizziness, and sedation.
air & water reactions	denser than water and miscible in water.
reactivity profile	dimethyl sulfoxide decomposes violently on contact with many acyl halides, aryl halides and related compounds such as phenyl and tolyl chloride, acetyl chloride, benzenesulfonyl chloride, benzoyl chloride, cyanuric chloride, phosphorus chloride, phosphorus oxychloride, and thionyl chloride [chem. eng. news 35(9):87 (1957)]. reacts, possibly violently, with iodine pentafluoride [chem. eng. news 47(12):, 109(1969)]. vacuum distillation from anhydrous magnesium perchlorate led to an explosion [mca case history 1187(1966)]. violently reactive with fluorinating agents such as silver fluoride [chem. eng. news 44(24):7(1956)]. can explode with sodium hydride [chem. eng. news 44(24):7(1966)]. mixture with methyl bromide resulted in an explosion that shattered the apparatus [nfpa 491m, 1991]. forms salts with perchloric acid that are explosive when dry [chem. abst. 44:p3935d (1950)]. decomposes when heated above normal boiling point.
health hazard	slight eye irritation.
fire hazard	special hazards of combustion products: sulfur dioxide, formaldehyde, and methyl mercaptan can form
biological activity	solvent with wide ranging applications in biological research.

dimethyl sulfoxide preparation products and raw materials

preparation products

[6-(1h-pyrazol-1-yl)pyridin-3-yl]methylamine-->6-(1h-pyrazol-1-yl)nicotinonitrile-->4-(imidazol-1-yl)phenol-->5-hydroxyanthranilic acid-->4-(1-methylpiperidin-4-yloxy)-3,5-dichlorobenzenamine-->4-(2-(dimethylamino)ethoxy)-3,5-dichlorobenzenamine-->4-(3-(dimethylamino)propoxy)-3,5-dichlorobenzenamine-->5-fluoro-2-oxindole-->3,5-dimethoxyphenylacetonitrile-->5-bromo-3-nitro-2-pyridinol-->4'-phenoxyacetophenone-->3-phenoxyaniline-->(6-(1h-pyrazol-1-yl)pyridin-3-yl)methanol-->piperonyloyl chloride-->1-methyl-4-(3-nitrophenyl)piperazine-->4-phenoxyphenol-->ethyl 2,3-dicyanopropionate-->dimepiperate-->2-morpholinobenzoic acid-->1-(3-cyanobenzyl)piperazine-->ethyl 3-aminobenzofuran-2-carboxylate-->3-(1h-pyrazol-1-yl)aniline-->n-methyl-6-(1h-pyrazol-1-yl)nicotinamide-->4-piperazinobenzonitrile-->(4-fluorophenoxy)acetyl chloride-->5-methoxy-2-methylpyridine-->rimantadine-->6-(1h-pyrazol-1-yl)nicotinic acid-->4-morpholinobenzylamine-->3-chlorophenoxyacetyl chloride-->3-(4-methylpiperazin-1-yl)aniline-->methyl 6-(1h-pyrazol-1-yl)pyridine-3-carboxylate-->levamisole-->thiane-->2,4-difluoro-3,5-dichloronitrobenzene-->a-(bromomethyl)-a-butyl4-chlorobenzeneacetonitrile-->benzofluorfen-->1,8-octanedinitrile-->clomipramine hydrochloride-->methyl sulfone

raw materials

methanol-->carbon disulphide-->dimethyl sulfide-->nitrogen dioxide

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