Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:79-29-8
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiry2,3-DIMETHYLBUTANE Basic information Product Name: 2,3-DIMETHYLBUTANE Synonyms: (CH3)2CHCH(CH3)2;1,1,2,2-tetramethylethane;2,3-dimethyl-butan;Biisopropyl;butane,2,3-dimethyl-;dimethyl-2,
Cas:79-29-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:79-29-8
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:79-29-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:79-29-8
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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Tech Data Relevant 1.Certificate Of Analysis (COA) 2..Material Safety Data Sheet (MSDS) 3.Technical Data Sheet(TDS) 4.Route of synthesis (ROS) 5.Nuclear Magnetic Resonance(NMR) 6.Method of Analysis(MOA) Our Service 1. Before Shipmen
Cas:79-29-8
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in
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At Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Shaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput scree
Butane, 2,3-dimethyl- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen
The company have effective management team, professional technical R & D personnel, the service spirit of customer oriented. We have long-term cooperation with famous domestic manufacturer, and excellent customer resources overseas. We are skilled in
CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio
high purity Application:Drug intermediates Materials intermediates and active molecules
2,3-Dimethylbutane can can undergo hydrogenolysis over supported catalysts of ruthenium, nickel, cobalt, and iron to form smaller hydrocarbons, mainly methane. Package:100, 500 mL in glass bottle
Conditions | Yield |
---|---|
With C40H56N2RuSi4; hydrogen In toluene at 25℃; under 760.051 Torr; for 6h; Schlenk technique; | 99% |
With C40H56FeN2Si4(2-); hydrogen In 1,2-dimethoxyethane at 80℃; under 7600.51 Torr; for 6h; Schlenk technique; Autoclave; | 99% |
With nickel(II) bis(octanoate); hydrogen; 1,4-bis(2,6-diisopropylphenyl)-2,3-dimethyl-1,4-diazabuta-1,3-diene; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In benzene-d6 at 50℃; under 3040.2 Torr; for 24h; Reagent/catalyst; | 91% |
Conditions | Yield |
---|---|
With C28H32PZr(1+)*C19H3BF15(1-); hydrogen at 20℃; for 2h; Reagent/catalyst; Glovebox; Schlenk technique; | 89% |
at 82℃; Hydrogenation; | |
With nickel kieselguhr under 73550.8 Torr; Hydrogenation; |
hydrido(tricarbonyl)(cyclopentadienyl)molybdenum
trifluorormethanesulfonic acid
2,3-Dimethyl-1-butene
B
2,3-dimethylbutane
Conditions | Yield |
---|---|
In dichloromethane-d2 react. at -75°C for 5 min; quenching by pyridine, detecting by n.m.r. spectroscopy; | A n/a B 86% |
(η5-pentamethylcyclopentadienyl)hafnium(2,3-dimethyl-1,3-butadiene)chloride
hydrogen
A
2,3-Dimethyl-2-butene
B
tetrakis{(pentamethylcyclopentadienyl)hafnium dihydride chloride}*(toluene)0.5
C
2,3-dimethylbutane
Conditions | Yield |
---|---|
In toluene A pressure vessel is filled with a soln. of (C5Me5)Hf(C6H10)Cl in toluene and charged with 10 atm of H2, reaction mixture is stirred overnight at 70°C under N2.; Excess H2 is released, hot soln. is transferred into a Schlenk vessel, cooling of the soln. to room temp., a bright yellow ppt. is formed, solvent is decanted, ppt. is redissolved (hot toluene), slow cooling to -30°C, elem. anal.; | A n/a B 56% C n/a |
2,3-dimethyl-buta-1,3-diene
A
2,3-Dimethyl-2-butene
B
2,3-dimethylbutane
C
2,3-Dimethyl-1-butene
Conditions | Yield |
---|---|
With hydrogen; palladium dichloride In N,N-dimethyl-formamide under 18751.5 Torr; for 0.25h; Product distribution; Ambient temperature; various time; | A 39.3% B 0.05% C 52.2% |
With hydrogen; 1,5-hexadienerhodium(I)-chloride dimer In various solvent(s) for 2h; Ambient temperature; pH=7.6; | A 27% B 25% C 22% |
With bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; hydrogen; disodium salt of the bis(m-sulfonatophenyl)-n-butylphosphane at 60℃; under 22502.3 Torr; for 6h; Ionic liquid; chemoselective reaction; |
C30H74O6Si6
A
hexane
B
3-methylpentane
C
2-Methylpentane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
With H2SiEt2; [(2,6-[OP(tBu)2]2C6H3)Ir(H)(acetone)]+[B(C6F5)4]- for 336h; Inert atmosphere; Glovebox; | A 45% B 6% C 8% D n/a |
O,O-diethyl azidophosphate
A
Diethyl phosphoramidate
B
2,3-dimethylbutane
C
(1,1,2-Trimethyl-propyl)-phosphoramidic acid diethyl ester
D
(2,3-Dimethyl-butyl)-phosphoramidic acid diethyl ester
Conditions | Yield |
---|---|
In various solvent(s) at 22℃; Irradiation; | A 40.1% B n/a C 28.2% D 30.6% |
methanol
2,3-Dimethyl-2-butene
A
2,3-dimethylbutane
B
2,2,3-trimethyl-1-butanol
C
hexamethyl-2,3,3,4,4,5 hexane
Conditions | Yield |
---|---|
With europium(III) chloride In methanol for 8h; Irradiation; | A 26% B 37% C 4% |
hexane
A
3-methylpentane
B
2-Methylpentane
C
2,2-Dimethylbutane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
platinum at 250℃; Product distribution; Further Variations:; Catalysts; Temperatures; | A 22.1% B 34.8% C 12.9% D 9% |
With hydrogen at 215℃; under 7500.75 Torr; Catalytic behavior; Kinetics; Reagent/catalyst; Temperature; Flow reactor; Overall yield = 62.1 %; | A n/a B n/a C 6.7% D 8% |
Pt-Al2O3-Cl at 100 - 140℃; under 15001.2 Torr; Product distribution; |
C22H52O5Si4
A
hexane
B
3-methylpentane
C
2-Methylpentane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
With H2SiEt2; [(2,6-[OP(tBu)2]2C6H3)Ir(H)(acetone)]+[B(C6F5)4]- for 336h; Inert atmosphere; Glovebox; | A 17% B 32% C 31% D n/a |
methanol
A
2,4-dimethylpentane
B
2,3-dimethyl pentane
C
Isobutane
D
methylbutane
E
3-methylpentane
F
2-Methylpentane
G
2,3-dimethylbutane
H
triptane
I
1,2,4,5-tetramethylbenzene
J
1,2,3,5-Tetramethylbenzene
K
pentamethylbenzene,
L
Hexamethylbenzene
Conditions | Yield |
---|---|
With isopropyl alcohol; indium (III) iodide at 200℃; for 2 - 3h; | A n/a B n/a C n/a D n/a E n/a F n/a G n/a H 16.7% I n/a J n/a K n/a L n/a |
methanol
A
Isobutane
B
methylbutane
C
3-methylpentane
D
2-Methylpentane
E
2,3-dimethylbutane
F
triptane
G
pentamethylbenzene,
H
Hexamethylbenzene
Conditions | Yield |
---|---|
With isopropyl alcohol; indium (III) iodide at 200℃; for 2 - 3h; Product distribution / selectivity; | A 7.5% B 8.7% C 0.9% D 1.4% E 2.9% F 12.8% G 7.1% H 3.1% |
With hypophosphorous acid; isopropyl alcohol; indium (III) iodide at 200℃; for 2 - 3h; Product distribution / selectivity; | A 10.7% B 10.5% C 1.5% D 2.4% E 2.2% F 9.8% G 3.6% H 1.3% |
Conditions | Yield |
---|---|
With hydrogen; tungsten-zirconia-platinum catayst In water at 287.768℃; Product distribution / selectivity; | A 9.377% B 7.065% |
With hydrogen at 220℃; under 20 Torr; |
methylbutane
ethene
A
2-Methylhexane
B
2,3-dimethyl pentane
C
3-methylpentane
D
2-Methylpentane
E
2,2-Dimethylbutane
F
2,3-dimethylbutane
Conditions | Yield |
---|---|
water; fluorosulphonic acid at -15℃; for 1.5h; Product distribution; | A 5.8% B 6.2% C 8% D n/a E 6.5% F n/a |
Isobutane
ethene
A
2,3,3-Trimethyl-pentane
B
methylbutane
C
2-Methylpentane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
aluminium trichloride-diethyl ether (1/1) at 30℃; under 1520 Torr; for 0.5h; Further byproducts given; | A n/a B 5.2% C n/a D n/a |
Isobutane
ethene
A
2,3,4-trimethylpentane
B
methylbutane
C
2-Methylpentane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
aluminium trichloride-diethyl ether (1/1) at 30℃; under 1520 Torr; for 0.5h; Further byproducts given; | A 3.6% B 5.2% C n/a D n/a |
Isobutane
ethene
A
2,3-dimethylhexane
B
methylbutane
C
2-Methylpentane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
aluminium trichloride-diethyl ether (1/1) at 30℃; under 1520 Torr; for 0.5h; Further byproducts given; | A n/a B 5.2% C n/a D n/a |
Isobutane
ethene
A
2,4-dimethylhexane
B
methylbutane
C
2-Methylpentane
D
2,3-dimethylbutane
Conditions | Yield |
---|---|
aluminium trichloride-diethyl ether (1/1) at 30℃; under 1520 Torr; for 0.5h; Further byproducts given; | A 2.5% B 5.2% C n/a D n/a |
methanol
Isobutane
A
methylbutane
B
2,3-dimethylbutane
C
triptane
D
pentamethylbenzene,
E
Hexamethylbenzene
Conditions | Yield |
---|---|
With adamantane; indium (III) iodide at 200℃; for 12h; Product distribution / selectivity; | A n/a B n/a C 5% D n/a E n/a |
methanol
Isobutane
A
methylbutane
B
2,3-dimethylbutane
C
triptane
Conditions | Yield |
---|---|
With adamantane; indium (III) iodide at 200℃; for 1 - 5h; Product distribution / selectivity; | A n/a B n/a C 4% |
triptane
A
2,2-dimethylpropane
B
2,2-Dimethylbutane
C
2,3-dimethylbutane
Conditions | Yield |
---|---|
nickel at 231.9℃; under 41.5 Torr; for 0.0833333h; Product distribution; Mechanism; hydrogenolysis; | A 1.6% B 1% C 0.031% D n/a |
propene
A
1-butylene
B
ethane
C
Isobutane
D
2,3-dimethylbutane
E
4-Methyl-1-pentene
F
1,5-Hexadien
Conditions | Yield |
---|---|
at -78.1℃; Product distribution; excited by the impact of low-energy electrons; | A 0.92% B 0.12% C 0.92% D 0.43% E 1.12% F 0.24% |
hexane
A
methylbutane
B
3-methylpentane
C
2-Methylpentane
D
2,2-Dimethylbutane
E
2,3-dimethylbutane
F
pentane
Conditions | Yield |
---|---|
With hydrogen at 180℃; under 11251.1 Torr; for 0.5h; | A 0.6% B n/a C n/a D n/a E n/a F 0.3% |
Conditions | Yield |
---|---|
With tributylphosphine; copper In tetrahydrofuran at 25℃; for 0.0166667h; further 2-bromopropane, other temperatures; further t-butyl halide without P(n-Bu)3, other temperatures and times; | 41 % Chromat. |
With diethyl ether; sodium | |
With tributylphosphine; copper In tetrahydrofuran at 25℃; for 0.0166667h; | 41 % Chromat. |
With Co(II)-bpy (2,2'-bipyridine); silver nitrate In acetonitrile at 25℃; Kinetics; Further Variations:; Reagents; Electrochemical reaction; |
phosgene
diethyl ether
1-((benzyloxy)methyl)-3-chlorobenzene
isopropylmagnesium bromide
A
2,3-dimethylbutane
B
m-chlorobenzyl alcohol
C
toluene
D
benzyl alcohol
Conditions | Yield |
---|---|
With molybdenum (IV) sulfide; xylene at 350℃; Hydrogenation.unter Druck; |
Conditions | Yield |
---|---|
In gas reaction in a mass spectrometer; total pressure: 4E-6 Torr; | A 100% B 100% |
2,3-dimethylbutane
methyl cyanoformate
A
2,2,3-trimethyl-butyronitrile
Conditions | Yield |
---|---|
tris(tetrabutylammonium)12-tungstophosphate In acetonitrile at 16℃; for 22h; Irradiation; Yields of byproduct given; | A n/a B 99% |
sodium decatungstate In acetonitrile at 8℃; for 90h; Irradiation; | A 78% B 6% |
Conditions | Yield |
---|---|
With methyltrifluoromethyldioxirane In dichloromethane at -22℃; for 0.05h; | 98% |
With [PPh4]2[MnV(N)(CN)4]; dihydrogen peroxide; acetic acid In 2,2,2-trifluoroethanol at 23℃; for 5h; Reagent/catalyst; Inert atmosphere; | 96% |
With [PPh4]2[MnV(N)(CN)4]; tetrabutylammonium periodite; acetic acid In 2,2,2-trifluoroethanol at 23℃; Inert atmosphere; | 95% |
2,3-dimethylbutane
A
2-chloro-2,3-dimethylbutane
B
1-chloro-2,3-dimethylbutane
Conditions | Yield |
---|---|
With Perbenzoic acid; isocyanate de chlorosulfonyle Product distribution; Mechanism; other radical initiator or photochemically, selectivity of hydrogen abstraction as a function of conversion and temperature; | A 92.3% B 4.6% |
bei der Chlorierung; | |
With 4-tButyl iodobenzenedichloride; 3-(Dichloriodo)benzotrifluorid; (Dichloroiodo)benzene; 3-nitro(dichloroiodo)benzene In tetrachloromethane at 30℃; Product distribution; Competition reaction of reagents with cyclohexane. Relative rate constants.; |
Conditions | Yield |
---|---|
With methanol; cerium(III) chloride; tetrabutyl-ammonium chloride In acetonitrile at 20℃; for 11h; Irradiation; Inert atmosphere; Sealed tube; | 81% |
2,3-dimethylbutane
phenylethynyl trifluoromethyl sulfone
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile) for 10h; Heating; | 78% |
Conditions | Yield |
---|---|
In acetonitrile Quantum yield; Thermodynamic data; Irradiation; ΔG; | A 70% B 7% |
In acetonitrile Irradiation; | A 70% B 7% |
In acetonitrile Quantum yield; Irradiation; var. solv.; | |
In acetonitrile for 1h; Irradiation; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
2,3-dimethylbutane
2-Trifluoromethanesulfonylmethyl-acrylic acid methyl ester
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile) for 14h; Heating; | 70% |
Conditions | Yield |
---|---|
With 9,10-phenanthrenequinone In acetonitrile at 20℃; for 48h; UV-irradiation; Inert atmosphere; regioselective reaction; | 70% |
Conditions | Yield |
---|---|
With {HB[3,5-(CF3)2Pz]3}Ag(THF) at 20℃; chemoselective reaction; | 69% |
2,3-dimethylbutane
(E)-methyl 2-diazo-4-phenylbut-3-enoate
C17H24O2
Conditions | Yield |
---|---|
With {HB[3,5-(CF3)2Pz]3}Ag(THF) at 20℃; chemoselective reaction; | 66% |
2,3-dimethylbutane
A
2,3-dimethyl-1,2-epoxybutane
B
2,3-dimethylbutan-2-ol
Conditions | Yield |
---|---|
With O(3P) at -80℃; Product distribution; | A 34% B 64% C n/a |
2,3-dimethylbutane
2-azido-4,4,4,5-tetramethyl-1,3,2-dioxaborolane
A
(HO)2BNH-cy5
Conditions | Yield |
---|---|
In further solvent(s) byproducts: N2; Irradiation (UV/VIS); photolysis in quartz tube for 16 h (λ = 254 nm), 2,3-dimethylbutane-soln. of azide, room temp., Ar atm.; filtered, the solvent was removed under reduced pressure, sublimation (70°C, oil pump); | A n/a B 11% C 63% |
Conditions | Yield |
---|---|
With 9-(2-mesityl)-10-methylacridinium perchlorate; 1,2-dibromomethane at 50℃; for 24h; Irradiation; | 63% |
Conditions | Yield |
---|---|
With potassium phosphate; tetrakis(tetrabutylammonium)decatungstate(VI); [nickel(II) (4,4'-di-tert-butyl-2,2'-bipyridine)(bromide)2] In acetone at 30℃; for 18h; Inert atmosphere; Sealed tube; Irradiation; regioselective reaction; | 62% |
pentamethylcyclopentadienyliridium(III) PMe3 dihydride
2,3-dimethylbutane
Conditions | Yield |
---|---|
In further solvent(s) Irradiation (UV/VIS); soln. of complex in 2,3-dimethylbutane was irradiated for 36 h, then heated at 115°C for 21 h (inert atm.); cold chromy.(-80°C) on alumina III column, Et2O-hexane; elem. anal.; | 60% |
diazoacetic acid ethyl ester
2,3-dimethylbutane
ethyl 3,3,4-trimethylpentanoate
Conditions | Yield |
---|---|
perbromohomoscorpionate copper(I) catalyst In dichloromethane for 3h; | 56% |
Conditions | Yield |
---|---|
With adamantane; indium (III) iodide at 180℃; for 0.5h; Product distribution / selectivity; | 56% |
indium (III) iodide at 180℃; for 0.5h; Product distribution / selectivity; | 31% |
zinc(II) iodide at 200℃; for 2h; Product distribution / selectivity; | 17% |
With indium (III) iodide at 180℃; for 0.5h; | |
indium (III) iodide at 150 - 200℃; for 0.25 - 2h; Product distribution / selectivity; | 0.5% |
[N-(trifluoromethylsulfonyl)imino][4-(trifluoromethyl)phenyl]-λ3-bromane
2,3-dimethylbutane
C7H14F3NO2S
Conditions | Yield |
---|---|
With 1,1,1,3',3',3'-hexafluoro-propanol at 20℃; Inert atmosphere; Neat (no solvent); regioselective reaction; | 55% |
Conditions | Yield |
---|---|
With di-tert-butyl peroxide at 120℃; for 24h; Sealed tube; | 53% |
2,3-dimethylbutane
p-methoxyphenylisocyanide
2,2,3-trimethyl-butyric acid anilide
Conditions | Yield |
---|---|
With ferrocene; di-tert-butyl peroxide In 1,2-dichloro-ethane at 80℃; for 12h; Sealed tube; Green chemistry; | 52% |
2,3-dimethylbutane
A
perfluoro(2,3-dimethylbutane)
B
perfluoroisohexane
C
perfluoro(3-methylpentane)
D
perfluoro(2-methylcyclopentane)
E
perfluoro(2,2-dimethylbutane)
Conditions | Yield |
---|---|
cobalt (III) fluoride at 360℃; for 3h; Product distribution; | A 5% B 21% C 7% D 17% E 50% |
2,3-dimethylbutane
A
perfluoro(2,3-dimethylbutane)
B
perfluoroisohexane
C
perfluoro(2-methylcyclopentane)
D
perfluoro(2,2-dimethylbutane)
Conditions | Yield |
---|---|
cobalt (III) fluoride at 360℃; for 3h; Further byproducts given; | A 5% B 21% C 17% D 50% |
2,3-dimethylbutane
A
perfluoroisohexane
B
perfluoro(3-methylpentane)
C
perfluoro(2-methylcyclopentane)
D
perfluoro(2,2-dimethylbutane)
Conditions | Yield |
---|---|
cobalt (III) fluoride at 360℃; for 3h; Further byproducts given; | A 21% B 7% C 17% D 50% |
2,3-dimethylbutane
1-octynyl trifluoromethyl sulfone
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile) for 24h; Heating; | 49% |
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