99% Dimethyl Sulfoxide for Pharmaceutical (67-68-5)

• CAS No.: 67-68-5
• Formula: C2h6OS
• EINECS: 200-664-3
• Type: Pharmaceutical Intermediates
• Appearance: Clear Transparent Liquid
• Quality: Industrial
• Model NO.: Dimethyl Sulfoxide
• Colour: Colorless
• Purity (DMSO) %(Tlc): 99.90 Min
• Crystallization Pointc: 1810 Min
• Acid Value Mgkoh/G: 0.03 Max
• Moisture % (Kari Fishcher): 0.1 Max
• Transmittance (400nm) %: 95 Min
• Refractive Index (20ºC): 14775 Min, 14790 Max
• Odor: Typical of DMSO
• Shipment: 5-15 Days
• Name: Dimethyl Sulfoxide
• Sample: Free
• Transport Package: 25kg Drum
• Specification: 99%
• Trademark: Keynovo
• Origin: China
• Production Capacity: 10000 Kilogram

Product Description

Product name :Dimethyl sulfoxide
Appearance: Colorless viscous liquid. It has hygroscopicity. It can be soluble with water, ethanol, acetone, acetaldehyde, pyridine, ethyl acetate, dibutyl phthalate, dioxane and aromatic compounds, and is insoluble in aliphatic hydrocarbons other than acetylene.

Product Name	Dimethyl sulfoxide
Quantity	18000kg
PURITY (DMSO) %(TLC)	99.90 MIN
CRYSTALLIZATION POINTC	1810 MIN
ACID VALUE MGKOH/G	0.03 MAX
MOISTURE % (KARI FISHCHER)	0.1 MAX
TRANSMITTANCE (400NM) %	95 MIN
REFRACTIVE INDEX (20ºC)	14775 MIN, 14790 MAX
APPEARANCE	CLEAR TRANSPARENT LIQUID
ODOR	TYPICAL OF DMSO
COLOUR (APHA)	10 MAX
DENSITY	1.075-1.125
BOILING POINT ºC	187-189

Dimethyl sulfoxide (DMSO) can be widely used as solvent and reaction reagent, especially as processing solvent and laddering solvent in the acrylonitrile polymerization reaction, and synthetic solvent and laddering solvent for polyurethane, also for polyamide, polyimide, polysulfone resin, aromatic hydrocarbon, butadiene and Chlorofluoroaniline etc. Moreover, Dimethyl sulfoxide (DMSO) has the functions of anti-inflammatory analgesic, diuresis and mitigation. It is added in dugs as analgesia 

1:We have 20 years of experience in exporting products, strong market response capabilities and a wide range of trading partners.

2:We have a variety of certified factories to produce high quality products.

3:We offer full link hosted services from production to delivery.

4:We provide testing services prior to shipment of the product.

5: We will cultivate customers in every country market, let customers develop quickly with us, and win-win cooperation.

6:Stable supply, delivery on time, quality assurance

Question 1:Can you supply free samples ?
Answer:Because so many free sample orders everyday to us, sorry, we need to supply sample with charge, but sample charge can be deducted from future orders.Hope you can understand.

Question 2: How to assure your delivery same good quality as sample? 
Answer: We just take sample from mass production. So same production line,same quality. Even we can supply you preshipment batch sample approval. 

Question 3:What kind of payment do you prefer?
Answer: We can accept TT, DP,LC,Westunion etc.

 

Payment Term	T/T		30% T/T in advance, paid the balance before shipment
		CFR(C&F)
			30% T/T in advance, paid the balance against copy of B/L
		CIF
	L/C	L/C amount above 20,000 usd, we can accept L/C at  sight after the issuing bank approved by us
	West  Union
		Amount lower than 5000usd