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Industrial Grade DMSO usage:in organic chemical synthesis action and medicals,intermediates with that can accelerate the reactivity,enhance the absorbility of resultant.
Industrial Grade DMSO quality technical index
Item.............................Index.......Test Standard
Content(DMSO),GC,%..≥99.8......GB/T2307-1986
Solidifying Point...........≥18.10....GB/T7533-1993
Acid Value....................≤0.03......GB/T9736-1988
Water Content (KF),%.≤0.001....GB/T6283-1986
Resudue ,PPM..............≤5...........GB/T3209-1982
Heavy Metal %............≤10.........GB/T7352-1987
Package:PEplasticdrums 225kgs,100kgs,50kgs,25kgs,10kgs,5kgs.
.......PE drums 1,000 kgs.
Medical Grade DMSO usage:as organic synthetic solvent of medicine intermediate.it can accelerate the reactivity,enhance the absorbility of resultant.
External using Grade DMSO quality technical index
Item..................................Index......Test Standard
Content(DMSO),GC,%.......≥99.9......GB/T2307-1986
IR identification,................Qualified....EP
Chemistry identification.....Qualified....EP
Solidifying Point.................≥18.3.....GB/T7533-1993
Refractive Index...............1.478-1.479
Water Content (KF),%......≤0.2.......GB/T6283-1986
Light absorptivity.275nm.≤0.2....GB/T9721-1988
............................285nm..≤0.2
............................295nm..≤0.2
Heavy Metal PPM..............≤10....GB/T7352-1987
Specific Gravity(20℃)1.100-1.104GB/T4472-1984
Acid Value(0.1N/ml NaOH/50g)≤5.0 GB/T9736-1988
Anhydrous DMSO usage: as organic synthetic solvent of medicine intermediate.it can accelerate the reactivity,enhance the absorbility of resultant.
Anhydrous using Grade DMSO quality technical index
Item.....................................Index ......Test Standard
Content(DMSO),GC,%..........≥99.9......GB/T2307-1986
Solidifying Point ℃...............≥18.35....GB/T7533-1993
Acid Value mgKOH/g............≤0.005....GB/T9736-1988
Refractive Index 20℃......1.478-1.479.GB/T6488-1986
Water Content (KF),% .......≤0.001.....GB/T6283-1986
Residue ,PPM.......................≤5...........GB/T3209-1982
Heavy Metal %....................≤10.........GB/T7352-1987
Package:PEplasticdrums 225kgs,100kgs,50kgs,25kgs,10kgs,5kgs.
External using DMSO usage:it has treating effection itself,it can treatdiminish inflammation,relieve pain,calm,diuresis,promote the healing of the wound.
External using Grade DMSO quality technical index
Item.....................................Index........Test Standard
Content(DMSO),GC,%..........≥99.9......GB/T2307-1986
IR , identification,................Qualified....EP
Chemical identification........Qualified....EP
Solidifying Point....................≥18.3.....GB/T7533-1993
Refractive Index............1.478-1.479...GB/T6488-1986
Water Content (KF),%..........≤0.2 ......GB/T6283-1986
Light absorptivity 275nm.......≤0.3......GB/T9721-1988
......................285nm.............≤0.2
......................295nm.............≤0.2
Heavy Metal PPM...................≤10.......GB/T7352-1987 Acid Value(0.1N/ml NaOH/50g)≤5.0 GB/T9736-1988
Package:PEplasticdrums 225kgs,100kgs,50kgs,25kgs,10kgs,5kgs.
Regent Grade DMSO usage:as solvent of liquid layer separating out,meanwyile as referring material when testing light absorptivity which lies in liquid.
Regent Grade DMSO quality technical index
Item..............................Index........Test Standard
Content,GL C,................≥99.99......ACS 8th ed
Acid Value,MEQ/G,..........≥0.001......ACS 8th ed
Water Content (KF),% ≤0.10.........ACS 8th ed
Residue ,%....................≤0.01.........ACS 8th ed
356-400nm..........≤0.010
330nm.............≤0.02
310nm.............≤0.06
290nm.............≤0.18
270nm.............≤0.46
Package:Peplasticdrums 225kgs,100kgs,50kgs,25kgs,10kgs,5kgs.
Electronic Grade DMSO usage:extraction solvent of rare metals and electronic parts cleaning.
Electronic Grade DMSO quality technical index
Item.....................................Index Test Standard
Content % GLC,..................≥99.9......ACS 8th ed Gas
Chromatography
Specific Gravity(20℃) <1.09 USP
Acid Value MEQ/G, >0.001 ACS 8th ed.
Water Content (KF),% <0.05 carelf
Heavy Metal PPM, <10 ASTM-D-1209-84
Residue ,% .....................<0.01 ACS 8th ed.
Fe , (ppb) ........................<50 ICP
Na , (ppb).........................<50 ICP
Cr ,(ppb) .........................<50 ICP
Ni ,(ppb) ..........................<50 ICP
Package:PEplasticdrums 225kgs,100kgs,50kgs,25kgs,10kgs,5kgs.
DIMETHYL SULFONE-MSM:high temperature solvent and
feedstock of inorganic and organic synthesis.fixed
liquid of gas chromatography,analytical reagent,the
solvent of synthetic food additives and health-care
products.Industrial Grade MSM usage:as medium of
reaction,solvent of Polymerization and extraction,ink
additives and medium of heat conduction.
Industrial Grade MSM quality technical index
Item Index
Content (MSM),% ≥99.7
Melting point, ℃ >107
Water Content % ≤0.20
Content % ≤0.10
Appearance whyte crystal powder
Package:cardboard drums lined with plastic inside,net
35kgs,25kgs,10kgs,5kgs.
Medical Grade MSM usage: the solvent of synthetic
medicines and medicine additives,beautifying and
health-care products.
Medical Grade MSM quality technical index
Item Index
Content (MSM),% ≥99.9
Melting point, ℃ >108-109
Water Content % ≤0.1
Content % ≤0.005
Heavy metal,PPM ≤10
Appearance whyte crystal powder
Package:cardboard drums lined with plastic inside,net
35kgs,25kgs,10kgs,5kgs.
FOOD Grade MSM usage:the solvent of synthetic medicines
and medicine additives,beautifying and health-care products.
FOOD Grade MSM quality technical index
Item Index
Content (MSM),% ≥99.8
Melting point, ℃ >108-109
Water Content % ≤0.1
Content % ≤0.005
Heavy metal,PPM ≤10
Appearance 20-80 mesh
Package:cardboard drums lined with plastic inside,net
35kgs,25kgs,10kgs,5kgs.
Regent Grade MSM usage:as fixed liquid of gas
chromatography,analytical reagent.
Regent Grade MSM quality technical index
Item Index
Content (MSM),% ≥99.8
DMSO % ≤0.2
Melting point, ℃ >109
Water Content % ≤0.02
Content % ≤0.001
Heavy metal,PPM ≤10
Appearance whyte crystal powder
Package:cardboard drums lined with plastic inside,net
35kgs,25kgs,10kgs,5kgs.
Dimethyl sulfide-DMS:as reagent of organic synthesis and
intermediates,intermediats of pesticides synthesis,food
additives,etc.
Industrial Grade DMS quality technical index
Item Index
Content (DMS),% ≥99.5
Water Content % ≤0.03
Methanol % ≤0.02
Appearance coloreless transparant
Package :iron drum 180kgs
Regent Grade DMS usage:as solvent of testing and analysis.
Regent Grade DMS quality technical index
Item Index
Content (DMS),% ≥99.9
Water Content % ≤0.03
Methanol % ≤0.04
Methyl mercaptan ≤0.02
Other impurities % ≤0.01
Appearance coloreless transparant
Industrial Grade Methyl mercaptan usage:as main material of manufacturing ,also is the same as organic synthesis,pesticides synthesis,and medicine synthesis.
Industrial Grade Methanethiol quality technical
index
Item Index
Content (DMS),% ≥99.9
Water Content % ≤0.03
Methanol % ≤0.04
Methyl mercaptan ≤0.02
Other impurities % ≤0.01
Appearance coloreless transparant
Package :PE Plastic drums
225kgs,100kgs,50kgs,25kgs,10kgs,5kgs.PE retangle drums 1000kgs,
Sodium methyl mercaptide:as main material of manufacturing ,
also is the same as organic synthesis,pesticides synthesis,and medicine synthesis.
Industrial Grade Sodium Methyl mercaptide quality technical index
Item Index
Content (CH3SNa),% ≥20.0
Sodium sulfide % ≤0.5
Free alkali % ≤1.0
Other impurities % ≤1.0
Appearance brown-red or black-brown
Package :PE Plastic drums 240kgs,100kgs,,25kgs.
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邮编：124219
电话：0086-427-7868818.
传真：0086-427- 6813222.6811256
E-mail：dmso@sohu.com
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联系： chen xiuren
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