The use of ammonium bifluoride.

Ammonium bifluoride auspiciously replaces the traditional, but a alarming and advancing actual – hydrofluoric acid, which is actual aggressive, corrodes abounding materials, causing astringent burns, releases adverse to breathe fumes. Ammonium bifluoride use instead of hydrofluoric acerbic is safer for use, accumulator and busline and is beneath harmful, and abate your costs by 10 – 15%.

Glazier:

Matt cartoon on bottle can be acquired chemically. For this bottle coated with a attenuate band of wax. Prepared in beforehand amount is placed on the about-face ancillary of the bottle to the light, and the edgeless end of the aggravate aching all-important in paraffin sections. Then, application adobe to accomplish the bottle corpuscle and caked aback carving solutions based on ammonium bifluoride.

Ammonium bifluoride use instead of hydrofluoric acerbic abundantly simplifies the processing of glass, authoritative it safer and beneath harmful, and abate your costs by 10 – 15%.

Petroleum:

In oil abstraction adjustment has been auspiciously activated acidizing bottom-hole, you can restore and advance the filtration characteristics, deliquesce and alleviate deposits in the able-bodied and access the permeability band zones and appropriately debit wells.

Usually for affable acerb admixture acclimated abstruse Hydrofluoric acid. When you alter it on ammonium bifluoride accumulation of 10-15%. For comparison, if the acerbic acclimated in the alive admixture of hydrofluoric acerbic (45%), it would yield 1.55 times added than if we use a dry ammonium bifluoride.

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the information of Selenium Hexafluoride

 

Selenium hexafluoride is the asleep admixture with the blueprint SeF6. It is a colourless gas declared as accepting a “repulsive” odor. It is not broadly encountered and has no bartering applications.Like abounding compounds of selenium, SeF6 is hypervalent. The admixture has octahedral atomic geometry with Se-F band breadth 168.8 pm.

SeF6 can be able from the elements or by the acknowledgment of bromine trifluoride (BrF3) with selenium dioxide. The awkward artefact is antiseptic by sublimation.The about acuteness of the hexafluorides of S, Se, and Te follows the adjustment TeF6 > SeF6 > SF6, the closing getting absolutely apathetic against hydrolysis until top temperatures. SeF6 aswell resists hydrolysis, The gas can be anesthetized through 10% NaOH or KOH after change, but reacts with aerial ammonia at200 °C.Selenium hexafluoride is baneful even at low concentrations.In the U.S., OSHA and ACGIH standards for selenium hexafluoride acknowledgment is an top absolute of 0.05 ppm in air averaged over an eight-hour plan shift.Selenium hexafluoride is a corrosive, achromatic gas at allowance temperature. Selenium hexafluoride is alone hardly acrid in water. It does not action by itself in the environment.Selenium hexafluoride is acclimated as a aerial electrical insulator.

What happens to selenium hexaflouride if it enters the environment?

When appear to air, selenium hexafluoride will acknowledge with moisture, basic added compounds which are removed from the atmosphere by rainfall.

Selenium hexafluoride is hardly acrid in water. It reacts boring with baptize to anatomy added compounds. It may aswell clear from water.

Selenium hexafluoride is hardly acrid in water. It reacts boring with baptize to anatomy added compounds. It may aswell clear from water.

Selenium hexafluoride does not accrue in the aliment chain.

How ability I be apparent to selenium hexaflouride?

The accepted citizenry is absurd to be apparent to selenium hexafluoride.

Workers that use selenium hexafluoride as a aerial electric insulator or use selenium hexafluoride to aftermath added selenium absolute compounds may be apparent to this gas.

How can selenium hexaflouride affect my health?

Exposure to low levels of selenium hexafluoride gas can could could could cause affliction of the respiratory airway, skin, and eye. Acknowledgment to top levels can advance to astringent derma and eye damage, accession of aqueous in the lungs, and eventually death.

Exposure to the liquified gas can could could could cause astringent derma abrasion or algidity and aswell astringent eye accident and blindness.

Long-term acknowledgment to low concentrations of selenium hexafluoride may could could could cause furnishings agnate to acknowledgment to added selenium or fluoride compounds, such as anemic appearance, nervousness, depression, gastrointestinal problems, abridgement of appetite, weight loss, and dental defects.

There is no advice on whether acknowledgment to selenium hexafluoride may affect the changeable arrangement in bodies or in animals.

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the uses of Difluoromethane R-32

Difluoromethane R-32, aswell alleged HFC-32 or R-32, is an amoebic admixture of the dihalogenoalkane variety. Difluoromethane R-32 is based on methane, except that two of the four hydrogen atoms accept been replaced by fluorine atoms. Hence the blueprint is CH2F2 instead of CH4 for accustomed methane.

Difluoromethane R-32 is a refrigerant that has aught blast burning potential. Difluoromethane in a zeotropic (50%/50%) w/w admixture with pentafluoroethane (R-125) is accepted as R-410A, a accepted backup for assorted chlorofluorocarbons (aka Freon) in new refrigerant systems, abnormally for air-conditioning. The zeotropic mix of Difluoromethane with pentafluoroethane (R-125) and tetrafluoroethane (R-134a) is accepted as R-407Athrough R-407E depending on the composition. Likewise the azeotropic (48.2%/51.8% w/w) admixture with chlorotrifluoromethane (R13). As a refrigerant difluoromethane is classified as A2L- hardly combustible . Although it has aught blast burning potential, it has all-around abating abeyant 675 times that of carbon dioxide, based on a 100-year time anatomy  .

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the properties of 2-Hydroxy-3-nitro-5-picoline

CAS No.: 7464-14-4

English name: 2-Hydroxy-5-methyl-3-nitropyridine

Synonyms: 5-Methyl-3-nitropyridin-2-ol; 2-HYDROXY-3-NITRO-5-PICOLINE; 3 – (NITRO)-5-METHYLPYRIDIN-2-OL; 5-METHYL-3-NITRO-2 (1H)-PYRIDINONE; 2-HYDROXY-3-NITRO-5-METHYLPYRIDINE; 2-HYDROXY-5-METHYL-3-NITROPYRIDINE; 2-Hydroxy-5-methyl-3-nitropyridine 98%; 2-HYDROXY-3-NITRO-5-PICOLINE (2-HYDROXY-5-METHYL-3-NITROPYRIDINE)

CBNumber: CB0109633

Molecular formula: C6H6N2O3

Molecular Weight: 154.12

MOL File: 7464-14-4.mol

Chemical properties of 2 – hydroxy – 5 – methyl – 3 – nitropyridine

Melting point: 179 ° C. (dec.) (lit.)

Database CAS: 7464-14-4 (CAS DataBase Reference)

Safety Information of 2-Hydroxy-3-nitro-5-picoline

Hazard Symbols: Xi

Risk Codes: 36/37/38

Safety instructions: 26-36

WGKGermany: 3

Note The hazard: Irritant

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the specification of 2-Floro-5-(trifluoromethyl)benzylamine

CAS No. 199296-61-2

Chemical Name: 2-FLUORO-5-(TRIFLUOROMETHYL)BENZYLAMINE

Synonyms: RARECHEM AL BW 0667;2-FLORO-5-(TRIFLUOROMETHYL)BENZYLAMINE;2-FLUORO-5-(TRIFLUOROMETHYL)BENZYLAMINE;2-Fluoro-5-(trifluoromethyl)benzylamine97%;2-Fluoro-5-(trifluoromethyl)benzylamine 97%;[2-Fluoro-5-(trifluoromethyl)phenyl]methanamine

CBNumber: CB8362333

Molecular Formula: C8H7F4N

Formula Weight: 193.14

MOL File: 199296-61-2.mol

2-FLUORO-5-(TRIFLUOROMETHYL)BENZYLAMINE Property

refractive basis : 1.451

storage temp. : Store beneath nitrogen

Sensitive : Air Sensitive

CAS DataBase Reference: 199296-61-2(CAS DataBase Reference)

NIST Chemistry Reference: 2-Fluoro-5-(trifluoromethyl)benzylamine(199296-61-2)

Safety of 2-Floro-5-(trifluoromethyl)benzylamine

Hazard Codes : C,Xi

Risk Statements : 34

Safety Statements : 26-36/37/39

RIDADR : 2735

Hazard Note : Corrosive/Store beneath nitrogen

HazardClass : 8

PackingGroup : III

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the description of 2-Bromoacetophenone

2-Bromoacetophenone Property

mp : 48-51 °C(lit.)

bp :135 °C18 mmHg(lit.)

density : 1.476

Fp : >230 °F

storage temp. : 2-8°C

Water Solubility : PRACTICALLY INSOLUBLE

Merck : 14,1402

BRN : 606474

Stability:: Stable. Incompatible with able bases, able acerbic agents. Combustible.

CAS DataBase Reference:70-11-1(CAS DataBase Reference)

NIST Chemistry Reference: Ethanone, 2-bromo-1-phenyl-(70-11-1)

EPA Actuality Registry System: Ethanone, 2-bromo-1-phenyl-(70-11-1)

Safety of 2-Bromoacetophenone

Hazard Codes : C

Risk Statements : 34-20/21/22

Safety Statements : 26-36/37/39-45

RIDADR : UN 2645 6.1/PG 2

WGKGermany: 3

F : 8-19

Hazard Note : Corrosive

HazardClass : 6.1

PackingGroup : II

2-Bromoacetophenone Chemical Properties,Usage,Production

Chemical Properties

Off white-grey blooming crystaline powder

General Description of 2-Bromoacetophenone

A apparent solid or a aqueous with a aciculate odor. Baneful by inhalation, assimilation and derma absorption. A astringent eye irritant (a lachrymator). Used to accomplish added chemicals.

Air & Baptize Reactions

Reacts boring with damp in air to anatomy hydrogen bromide.

Reactivity Profile

2-Bromoacetophenone reacts boring with metals causing balmy corrosion.

Health Hazard

TOXIC; inhalation, assimilation or derma acquaintance with actual may could could could cause astringent abrasion or death. Acquaintance with aqueous actuality may could could could cause astringent burns to derma and eyes. Avoid any derma contact. Effects of acquaintance or assimilation may be delayed. Blaze may aftermath irritating, acerb and/or baneful gases. Runoff from blaze ascendancy or concoction baptize may be acerb and/or baneful and could could could cause pollution.

Fire Hazard

Combustible material: may bake but does not burn readily. If heated, abasement may anatomy atomic mixtures with air: indoors, outdoors and sewers access hazards. Acquaintance with metals may advance combustible hydrogen gas. Containers may backfire if heated. Runoff may adulterate waterways. Actuality may be transported in a aqueous form.

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the basic information of 2,2,3,3-Tetrafluoro-1-propanol (TFP)

PTFE-propanol with non-combustible, non-toxic, non-corrosive and excellent lubricity, is a novel fluorine-containing solvent, due to itsgood solubility and gasification speed, low toxicity, is widely used as a CD-R (W) paint solvents. Also widely used in medicine, pesticides, dyes, fine chemicals and intermediates, photographic and colormaking it up, agents, finishing agents, fluorine-containing resin,perfluorinated rubber processing aids, as well as electronic products,cleaning agents. Excellent cleaning performance, as a cleaning agent has its important use in microelectronics and optoelectronics,its atmosphere damaging effects, is an excellent Freon cleaningagent alternatives.

2, 2, 3, 3-Tetrafluoro-1-propanol agreeable 99.5% min

Moisture 0.3% max

Peroxide 50ppm max

Appearance clear, achromatic aqueous

Standard Packing

250kgs/200Ladamant drum

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