四甲基氯化铵

Tetramethylammonium binds AT-rich DNA polymers while concomitantly abolishing the preferential melting of AT versus GC base pairs. Supplied as 0.2? ?m filtered solution in 18? megohm water. It is employed as a phase transfer catalyst.

Hygroscopic. Store at room temperature. Incompatible with oxidizing agents. Ensure adequate ventilation.

MFCD00011628

200-880-8

C₄H₁₂ClN

109.60

>300°

1.17

Hygroscopic. Ambient temperatures.

Powder or crystals

Soluble in water. Insoluble in ether, and benzene.

2496575

II

21-25-36/37/38-39-51/53
Harmful in contact with skin.Toxic if swallowed.Irritating to eyes, respiratory system and skin.Danger of very serious irreversible effects.Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

6.1

26-36/37-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

BS7700000

是

 

H301-H311-H315-H319-H335
Toxic if swallowed.Toxic in contact with skin.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

P280h-P305+P351+P338-P309-P310
Wear protective gloves/clothing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF exposed or if you feel unwell:Immediately call a POISON CENTER or doctor/physician.