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Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
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CAS No. : | 594-37-6 | MDL No. : | MFCD00000817 |
Formula : | C4H8Cl2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | OQPNDCHKFIHPBY-UHFFFAOYSA-N |
M.W : | 127.01 | Pubchem ID : | 117943 |
Synonyms : |
|
Signal Word: | Danger | Class: | 3 |
Precautionary Statements: | P210-P233-P240-P241-P242-P243-P280-P264-P261-P271-P303+P361+P353-P370+P378-P302+P352-P321-P332+P313-P362+P364-P305+P351+P338-P337+P313-P304+P340-P312-P403+P235-P403+P233-P405-P501 | UN#: | 1993 |
Hazard Statements: | H225-H315-H319-H335 | Packing Group: | Ⅱ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With aluminium trichloride |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With aluminium trichloride |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine at 400℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With tetrachloromethane; chlorine; isobutene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
beim Chlorieren; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium carbonate |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine at 80 - 140℃; in der Damfphase; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With aluminium trichloride; benzene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 600℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With water Hydrolysis; | ||
With water in Dampfform bei 350grad in Gegenwart verschiedener Katalysatoren; | ||
With aluminum oxide; water at 350℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 40℃; durch Chlorierung; | ||
at 450 - 500℃; durch Chlorierung; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine im diffusen Tageslicht; | ||
bei der photochemischen Chlorierung; | ||
With sulfuryl dichloride; chlorobenzene; dibenzoyl peroxide |
With antimonypentachloride | ||
With chlorine for 0.75h; Irradiation; | ||
With antimonypentachloride In dichloromethane for 0.166667h; | ||
Bei der photochemischen Chlorierung in fluessiger Phase; | ||
88 %Spectr. | With Oxone; sodium chloride In chloroform; water at 20℃; for 4h; Sealed tube; Irradiation; | |
With chlorine bei vermindertem Druck unter dem Einfluss ultravioletter Strahlen oder dunkler elektrischer Entladungen; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Einwirkung von γ-Strahlen; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With phosphorus pentachloride |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With antimonypentachloride |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Einwirkung von γ-Strahlen; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With aluminium trichloride; chlorine |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine | ||
With chlorine | ||
With chlorine In methanol |
With chlorine |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 80℃; Chlorierung; | ||
1: 6 % Chromat. 2: 77 % Chromat. | With chlorine In tetrachloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | With chloro-trimethyl-silane; water for 5h; Ambient temperature; | |
With hydrogenchloride | ||
With hydrogenchloride at 60 - 65℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With diphenyl sulfide In benzene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With nitrogen trichloride In dichloromethane | ||
1: 79.47 %Chromat. 2: 8.73 %Chromat. | With chlorine at 70℃; for 24h; Inert atmosphere; | 2 Example 2 Chlorine and nitrogen were mixed through a glass Y-tube at a flow rate of 30ml / min and 520ml / min,Mix with another glass Y-tube and isobutylene at a flow rate of 30ml / min.Then it entered a tubular reactor and reacted continuously at normal pressure and 70 ° C for 24 hours.The gas from the reactor directly enters the condensing tube for condensation, and the condensate enters the collector at the bottom, while the non-condensable gas from the top is absorbed by the water and lye in order and emptied.After the reaction is over,The composition of the collected condensate was analyzed by gas chromatography (the results are shown in Table 2); the chlorine content in water and lye was analyzed by chemical methods to investigate the total chlorine balance. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With aluminium trichloride at 24 - 27℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 380.1℃; pyrolysis; Ea; var. temp. and initial pressure; | ||
99.6 %Chromat. | With sodium hydroxide In water Flow reactor; Reflux; Green chemistry; Industrial scale; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine In dichloromethane at -20℃; Yield given. Yields of byproduct given; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine In dichloromethane at -20℃; Yield given. Yields of byproduct given; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With chlorine at 40 - 70℃; various conc.; further products; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 9 % Chromat. 2: 69 % Chromat. 3: 19 % Chromat. | With Bu3(PhCH2)NCl*2Cl2 In tetrachloromethane at 20℃; other reagents, other concentration; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 8 % Chromat. 2: 18 % Chromat. 3: 74 % Chromat. | With Bu3(PhCH2)NCl*2Cl2 In tetrachloromethane at 20℃; | |
1: 3 % Chromat. 2: 34 % Chromat. 3: 62 % Chromat. | With Bu3(PhCH2)NCl*2Cl2 In tetrachloromethane at 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 63℃; | ||
at 100℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
im Sonnenlicht; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 15 - 16℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 200 - 450℃; Chlorierung; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Trichlorisobutan; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 18℃; und 30grad; | ||
at -60 - -40℃; | ||
at 0℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 550℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 70℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 70℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 4℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Reaktivitaet gegenueber der Photochlorier. (Tab.1); | ||
Photochlorierung: Rel. Reaktivitaet, r.r.(-CH2Cl/-CH3); | ||
Rk. mit Benzol, Al(C2H5)3; |
Chlorierung von Isobutan in Methanol; | ||
Kat. Dehydrohalogenierung zu : CH2Cl-C(CH3)=CH2; Kp(125-197grad); ΔH; ΔS; | ||
Kat. Dehydrohalogenierung zu : CH3-C(CH3)=CHCl; Kp(125-197grad); ΔH; ΔS; | ||
Isomerisierungs-Gl.gew. m. 1,1-Dichlorisobutan bei 30-150grad; ΔH; ΔS; | ||
k(rel) der Chlorierung mit t-BuOCl; | ||
k(rel) der Chlorierung mit Cl2; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 45℃; relative Geschwindigkeit der Solvolyse; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 45℃; relative Geschwindigkeit der Solvolyse; | ||
at 79℃; Hydrolysis; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 45℃; relative Geschwindigkeit der Solvolyse; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
in Dampfform unter vermindertem Druck unter dem Einfluss ultravioletter Strahlen oder dunkler elektrischer Entladungen; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 400℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
24% | With trifluorormethanesulfonic acid In tetrachloromethane at -25℃; for 1h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 350℃; Hydrolysis; | ||
Hydrolysis; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With aluminium trichloride; chlorine |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sulfuric acid; sodium carbonate In 2-ethoxy-ethanol; water | 2 Preparation of 2-(2-hydroxy-2-methylpropoxy)phenol from 1,2-dichloro-2-methylpropane EXAMPLE 2 Preparation of 2-(2-hydroxy-2-methylpropoxy)phenol from 1,2-dichloro-2-methylpropane Catechol (22.0 g, 0.20 mole), sodium carbonate (23.3 g, 0.22 mole), 1,2-dichloro-2-methylpropane (48 g, 0.30 mole), and 160 ml 2-ethoxyethanol were combined in a 500 ml 3-necked round bottom flask equipped with an air stirrer, thermometer, nitrogen inlet, heating mantle and condenser. The flask was flushed with nitrogen, then heated at 85°-95° C. for 5 hours. The reaction was cooled, then acidified with 150 ml of 10% aqueous sulfuric acid. Water (250 ml) was added and the mixture was extracted three times with 150 ml diethyl ether. Concentration of the combined ether layers afforded 26.2 g orange solid, which was mostly catechol. The solid was partitioned between 200 ml water and 200 ml of dichloromethane. The dichloromethane layer was washed five times with 100 ml of water to remove residual catechol. Concentration of the dried dichloromethane layers afforded 6.4 g (18%) orange solid, which was recrystallized from toluene. This gave pale yellow crystals, m.p. 107°-108° C. 1 Hnmr analysis and mass spctral analysis were consistent with the structural formula of 2-(2-hydroxy-2-methylpropoxy)phenol. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium hydroxide In 2-methoxy-ethanol; water | 3 Preparation of 2-(2-hydroxy-2-methylpropoxy)phenol and 2-methallyloxyphenol from 1,2-dichloro-2-methylpropane EXAMPLE 3 Preparation of 2-(2-hydroxy-2-methylpropoxy)phenol and 2-methallyloxyphenol from 1,2-dichloro-2-methylpropane Catechol (11.0 g, 0.10 mole) and 80 ml of 2-methoxyethanol were combined in a 250 ml flask equipped with an air stirrer, thermometer, nitrogen inlet, heating mantle and condenser. Sodium hydroxide (4.0 g, 0.10 mole) was added gradually and then the mixture was refluxed for 0.5 hours (124° C.) 1,2-Dichloro-2-methylpropane (19.1 g, 0.15 mole) was added and the mixture was refluxed for 5 hours (124° C.). The mixture was cooled and left standing overnight. Water (150 ml), acidified with hydrochloric acid, was added and the mixture was extracted five times with 75 ml of dichloromethane. The combined dichloromethane layers were washed with water, dried over magnesium sulfate and filtered. Gas-liquid chromatography analysis showed that 75% of the catechol remained, 16% was converted to 2-methallyloxyphenol and 9% was converted to 2-(2-hydroxy-2-methylpropoxy)phenol. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 1,2,3-trichlorobenzene In CO | 20 EXAMPLE 20 EXAMPLE 20 185 ml (268 g) of trichlorobenzene and 13.3 g (0.1 mol) of AlCl3 are initially introduced into a 0.7 l V4A stainless steel autoclave. 254.0 g (2.0 mols) of 1,2-dichloro-2-methylpropane are pumped in with stirring in the course of 20 minutes at 0°-3° C. and under 120 bar of CO. The CO pressure is maintained at a constant value by replenishing CO via a reducing valve. After 20 minutes no more CO is taken up. The autoclave pressure is let down, and the dark yellow reaction mixture is distilled via a 30 cm Vigreux column. 50.3 g of 1,2-dichloro-2-methylpropane and 208.6 g of chloropivaloyl chloride are obtained. This corresponds to a conversion of 80.2% and a selectivity of 83.9%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In not given byproducts: (CH3)2CDCH2Cl; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | Stage #1: 2-methyl-1-tetralone With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 1,2-dichloro-2-methylpropane In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 0.5C4H8O*C24H20B(1-)*C36H64CoN8(1+) In tetrahydrofuran at -116 - 20℃; for 24h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | With potassium carbonate; In acetonitrile; at 40℃; for 18h; | Take scopolamine 576 mg (3 mM),XRX3mM and an appropriate amount of anhydrous potassium carbonate,Dissolved in 9mL acetonitrile,The reaction was stirred at 20-50 C (reflux) for 6-24 h,The mixture was cooled to room temperature,filter,Filtrate decompression recovery,The residue was dissolved in 3 mL of ethyl acetate,Stirring the appropriate amount of K0H reaction 2h to remove unreacted raw materials,filter,The filtrate is recovered under reduced pressure to obtain the target mixed product,The mixture has two spots, |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 65 %Spectr. 2: 12 %Spectr. | With Oxone; sodium chloride In chloroform; water at 20℃; for 4h; Sealed tube; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 54.41 %Chromat. 2: 20.17 %Chromat. 3: 10.43 %Chromat. | With chlorine at 70℃; for 24h; | 2 Example 2 Chlorine and nitrogen were mixed through a glass Y-tube at a flow rate of 30ml / min and 520ml / min,Mix with another glass Y-tube and isobutylene at a flow rate of 30ml / min.Then it entered a tubular reactor and reacted continuously at normal pressure and 70 ° C for 24 hours.The gas from the reactor directly enters the condensing tube for condensation, and the condensate enters the collector at the bottom, while the non-condensable gas from the top is absorbed by the water and lye in order and emptied.After the reaction is over,The composition of the collected condensate was analyzed by gas chromatography (the results are shown in Table 2); the chlorine content in water and lye was analyzed by chemical methods to investigate the total chlorine balance. |
With nitrogen; chlorine at 55℃; for 24h; Sealed tube; | 1 Example 1 Chlorine and nitrogen are first mixed through a Y-tube at a flow rate of 30 ml / min and 300 ml / min, and then mixed with isobutylene with a flow of 150 ml / min through another Y-tube, and then enter a cooling jacket Water temperature 55 ) atmospheric pressure tubular reactor, reaction residence time 3.54 s, continuous reaction for 24 hours. The gas from the reactor first enters a condenser for cooling and condensation, and its condensate enters the collector at the bottom, while the non-condensable gas from the top is absorbed by clear water and lye in turn and emptied. After the reaction, the composition of the collected condensate was analyzed by gas chromatography (the results are shown in Table 1), and the chlorine content in water and lye was analyzed by chemical method to investigate the total chlorine balance. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With nitrogen; chlorine at 55℃; for 24h; Sealed tube; | Comparative example First mix 30ml / min of chlorine gas with 520 ml / min of nitrogen through a Y-tube, then mix with 30 ml / min of isobutylene through another Y-tube, and then enter a cooling jacket (cooling water temperature 55 ° C) The atmospheric pressure tubular reactor has a reaction residence time of 3.01 s and a continuous reaction for 24 hours. The gas from the reactor first enters a condenser for cooling and condensation, and its condensate enters the collector at the bottom, while the non-condensable gas from the top is absorbed by clear water and lye in turn and evacuated. After the reaction, the composition of the collected condensate was analyzed by gas chromatography. The results are shown in Table 1. At the same time, the chlorine content in water and lye was analyzed by chemical method to investigate the total chlorine balance. |