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Home/ Industries/ Pharmaceutical/ Solvents and Standards/ Solvents and Reagents/ Organic Synthesis / ROMIL Hi-Dry®

ROMIL Hi-Dry®

Behind

Looking for the Driest Solvents ?

Laboratory techniques make regular use of anhydrous solvents, especially in analysis and synthesis. But to purify and dispense them brings many difficulties.

To address this need we have taken further the high purity concept of our famous ROMIL‑SpS™ Super Purity Solvents. A range of specially dried solvents with such low water levels that surpass even the so-called anhydrous offerings from rivals. In general ROMIL Hi‑Dry® anhydrous solvents are specially produced to a water specification of less than 50 ppm (<0.0050%). However, many solvents go well beyond that and are routinely produced to lower than 5 ppm (<0.0005%). The water content itself is strictly controlled by coulometric Karl Fischer analysis

Solvents this dry need a packaging system designed to ensure that the exceptional state of dryness achieved at time of purification is retained throughout storage and use. Before filling, we first oven-dry the amber glass bottles to remove all traces of water which may be present on the inner walls. At such low levels even this trace moisture is noticeable. The bottles are then filled under an inert atmosphere of dry nitrogen to prevent moisture build-up and sealed with a special cap.

Specially designed both to retain solvent dryness and purity and to facilitate dispensing, the Hi‑Dry® cap features a double seal; a PTFE wad and a self-sealing septum. The PTFE wad sits between the solvent and the septum thereby maintaining the original chemical purity and giving an extended shelf life before initial use.

The self-sealing septum allows the solvent to be dispensed by syringe at the point of use. Alternatively, because the cap itself is screw-on it may also be opened conventionally. However, it is important to note that once in contact with the atmosphere product quality can deteriorate depending on the hygroscopic nature of the solvent.

To overcome this we recommend that dispensing operations are conducted under dry nitrogen either in a dry cabinet or with a positive pressure of the gas within the bottle. For safety reasons this should not exceed 0.3 bar (0.31 kg/sq cm) and should only be undertaken by personnel trained in such techniques and wearing appropriate safety equipment.

Choose the pack most suitable for your application out of a wide range of sizes from 100ml to 2½LT. Bulk packaging is available in the form of ROMIL LiQuiSure™ stainless steel flasks.

Specifications
ROMIL Hi-Dry®
Acetic Acid Hi‑Dry
Dimethyl Sulphoxide Hi‑Dry over molecular sieve
2-Methyltetrahydrofuran Hi‑Dry
Acetic Acid glacial (see Acetic Acid) Acetone Hi‑Dry
1,4-Dioxan Hi‑Dry
2-Methyltetrahydrofuran Hi‑Dry stabilised with BHT
Assay >99.9% Water <0.0050% Residue <0.0001% Acetonitrile Hi‑Dry
1,4-Dioxan Hi‑Dry over molecular sieve
n-Nonane 95% Hi‑Dry
Acetonitrile Hi‑Dry over molecular sieve
Di-iso-propyl Ether Hi‑Dry stabilised with BHT
n-Octane 95% Hi‑Dry
Ammonia 2M Hi‑Dry in methanol
Di-iso-propylethylamine Hi‑Dry
n-Pentane 95% Hi‑Dry
Anisole Hi‑Dry
1,2-Epoxypropane Hi‑Dry
Petroleum Ether 30-40°C Hi‑Dry
Benzene Hi‑Dry over molecular sieve
1,2-Ethanediol Hi‑Dry
Petroleum Ether 40-60°C Hi‑Dry
Butan-1-ol Hi‑Dry
Ethanol absolute Hi‑Dry
Petroleum Ether 60-80°C Hi‑Dry
n-Butyl Acetate Hi‑Dry
Ethyl Acetate Hi‑Dry
Petroleum Ether 80-100°C Hi‑Dry
Carbon Disulphide Hi‑Dry
Ethyl Acetate Hi‑Dry over molecular sieve
Petroleum Ether 100-120°C Hi‑Dry
Chlorobenzene Hi‑Dry
Heptane fraction Hi‑Dry
Petroleum Ether 140-165°C Hi‑Dry
1-Chlorobutane Hi‑Dry
n-Heptane 95% Hi‑Dry
Propan-1,2-diol Hi‑Dry
Chloroform Hi‑Dry stabilised with amylene
n-Heptane 95% Hi‑Dry over molecular sieve
Propan-1-ol Hi‑Dry
Chloroform Hi‑Dry stabilised with amylene over molecular sieve
n-Heptane 99% Hi‑Dry
Propan-2-ol Hi‑Dry
Cyclohexane Hi‑Dry
Hexane fraction Hi‑Dry
Propan-2-ol Hi‑Dry over molecular sieve
Cyclohexane Hi‑Dry over molecular sieve
iso-Hexane 95% Hi‑Dry
Propylene Carbonate Hi‑Dry
Cyclohexanone Hi‑Dry
n-Hexane 95% Hi‑Dry
Pyridine Hi‑Dry over molecular sieve
1,2-Dichlorobenzene Hi‑Dry
n-Hexane 95% Hi‑Dry over molecular sieve
Sulpholane Hi‑Dry
1,2-Dichloroethane Hi‑Dry
Hydrogen Chloride 4M Hi‑Dry in 1,4-dioxan
Tetrachloroethylene Hi‑Dry
Dichloromethane Hi‑Dry stabilised with amylene
Methanol Hi‑Dry
Tetrahydrofuran Hi‑Dry
Dichloromethane Hi‑Dry stabilised with amylene over molecular sieve
Methanol Hi‑Dry over molecular sieve
Tetrahydrofuran Hi‑Dry over molecular sieve
Dichloromethane Hi‑Dry stabilised with amylene extra dry
bis(2-Methoxyethyl) Ether Hi‑Dry
Tetrahydrofuran Hi‑Dry stabilised with BHT
Diethyl Ether Hi‑Dry stabilised with ethanol
bis(2-Methoxyethyl) Ether Hi‑Dry over molecular sieve
Tetramethylene Sulphone (see Sulpholane) Toluene Hi‑Dry
Diethyl Ether Hi‑Dry stabilised with ethanol over molecular sieve
Methyl tert-Butyl Ether Hi‑Dry
Toluene Hi‑Dry over molecular sieve
Diethyl Ether Hi‑Dry stabilised with BHT
Methyl iso-Butyl Ketone Hi‑Dry
1,2,4-Trichlorobenzene Hi‑Dry
Diethyl Ether Hi‑Dry stabilised with BHT over molecular sieve
Methylcyclohexane Hi‑Dry
Triethylamine Hi‑Dry
1,2-Dimethoxyethane Hi‑Dry
Methylcyclopentane 95% Hi‑Dry
Triethylamine Hi‑Dry over molecular sieve
1,2-Dimethoxyethane Hi‑Dry over molecular sieve
Methyl Ethyl Ketone Hi‑Dry
2,2,4-Trimethylpentane Hi‑Dry
Dimethylacetamide Hi‑Dry
2-Methylpropan-1-ol Hi‑Dry
2,2,4-Trimethylpentane Hi‑Dry over molecular sieve
Dimethylformamide Hi‑Dry over molecular sieve
N-Methyl-2-pyrrolidone Hi‑Dry
Xylene mixed isomers Hi‑Dry over molecular sieve
Dimethyl Sulphoxide Hi‑Dry
 N-Methyl-2-pyrrolidone Hi‑Dry over molecular sieve

Register:

http://www.romil.com/membership/register/

Safety Data Sheet Request:

https://www.romil.com/membership/log-in/?returnPath=/documentation/safety-data-sheet-request

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Filters Clear Filters
Size
100ml (54)
1LT (51)
2½LT (48)
500ml (53)
Solvent
1,2,4-Trichlorobenzene (4)
1,2-Dichlorobenzene (4)
1,2-Dichloroethane (4)
1,2-Epoxypropane (2)
1,4-Dioxan (4)
1-Chlorobutane (4)
2,2,4-Trimethylpentane (4)
Acetone (4)
Acetonitrile (4)
Benzene (4)
Butan-1-ol (4)
Carbon Disulphide (2)
Chloroform (4)
Cyclohexane (4)
Cyclohexanone (4)
Dichloromethane (4)
Diethyl Ether (8)
Di-iso-propyl Ether (4)
Dimethyl Sulphoxide (4)
Dimethylacetamide (4)
Dimethylformamide (2)
Ethanol absolute (4)
Ethyl Acetate (4)
Hexane fraction (4)
iso-Hexane 95% (4)
Methanol (4)
Methyl Ethyl Ketone (4)
Methyl iso-Butyl Ketone (4)
Methyl tert-Butyl Ether (4)
Methylcyclohexane (2)
n-Butyl Acetate (4)
n-Heptane 95% (4)
n-Heptane 99% (4)
n-Hexane 95% (4)
n-Nonane 95% (4)
n-Octane 95% (4)
n-Pentane 95% (4)
Petroleum Ether 100-120°C (4)
Petroleum Ether 140-165°C (4)
Petroleum Ether 30-40°C (4)
Petroleum Ether 40-60°C (4)
Petroleum Ether 60-80°C (4)
Petroleum Ether 80-100°C (4)
Propan-1,2-diol (4)
Propan-1-ol (4)
Propan-2-ol (4)
Propylene Carbonate (3)
Tetrachloroethylene (4)
Tetrahydrofuran (8)
Toluene (4)
Triethylamine (3)
Xylene mixed isomers (4)
Reference RM-D4346L
Description ACETATO DE ETILO Hi-Dry (ANHID RO) 2,5 L
Price 186,85€
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Reference RM-D4346M
Description ACETATO DE ETILO Hi-Dry (ANHID RO) 1 L
Price 104,75€
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Reference RM-D4346P
Description ACETATO DE ETILO Hi-Dry (ANHID RO) 500 ml
Price 85,80€
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Reference RM-D4346S
Description ACETATO DE ETILO Hi-Dry (ANHID RO) 100 ml
Price 72,96€
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Reference RM-D4366L
Description n-HEPTANO 99% Hi-Dry (ANHIDRO) 2,5 L
Price 260,68€
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Reference RM-D4366M
Description n-HEPTANO 99% Hi-Dry (ANHIDRO) 1 L
Price 143,30€
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Reference RM-D4366P
Description n-HEPTANO 99% Hi-Dry (ANHIDRO) 500 ml
Price 103,01€
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Reference RM-D4366S
Description n-HEPTANO 99% Hi-Dry (ANHIDRO) 100 ml
Price 72,96€
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Reference RM-D4367L
Description n-HEPTANO 95% Hi-Dry (ANHIDRO) 2,5 L
Price 218,43€
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Reference RM-D4367M
Description n-HEPTANO 95% Hi-Dry (ANHIDRO) 1 L
Price 117,16€
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Reference RM-D4367P
Description n-HEPTANO 95% Hi-Dry (ANHIDRO) 500 ml
Price 87,33€
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Reference RM-D4367S
Description n-HEPTANO 95% Hi-Dry (ANHIDRO) 100 ml
Price 72,96€
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Reference RM-D4388L
Description ISO-HEXANO Hi-Dry (ANHIDRO) 2,5 L
Price 173,13€
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Reference RM-D4388M
Description ISO-HEXANO Hi-Dry (ANHIDRO) 1 L
Price 95,17€
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Reference RM-D4388P
Description ISO-HEXANO Hi-Dry (ANHIDRO) 500 ml
Price 76,88€
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Reference RM-D4388S
Description ISO-HEXANO Hi-Dry (ANHIDRO) 100 ml
Price 65,33€
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Reference RM-D4389L
Description n-HEXANO 95% Hi-Dry (ANHIDRO) 2,5 L
Price 231,28€
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Reference RM-D4389M
Description n-HEXANO 95% Hi-Dry (ANHIDRO) 1 L
Price 128,27€
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Reference RM-D4389P
Description n-HEXANO 95% Hi-Dry (ANHIDRO) 500 ml
Price 104,10€
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Reference RM-D4389S
Description n-HEXANO 95% Hi-Dry (ANHIDRO) 100 ml
Price 88,42€
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