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Sodium Hydroxide CAS#1310-73-2

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Chemical Name：Sodium Hydroxide

CAS No.:1310-73-2

Molecular Formula：NaOH

Sample: Available

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Product Details

Sodium Hydroxide CAS#1310-73-2

Sodium hydroxide is a white, odorless, nonvolatile alkaline material marketed in solid form as pellets, flakes, clumps, or sticks. Its solubility in water is 111% by weight and a vapor pressure of 0mmHg (NIOSH, 1994).

It can react with tricholoethylene (TCE) to form flammable dichloroacetylene and with metals to form hydrogen gas (OEHHA, 1993). Its reactivity with metals should be considered in regards to storage units and containers.

Sodium Hydroxide CAS#1310-73-2

Sodium hydroxide Chemical Properties

Melting point	681 °C(lit.)
Boiling point	1390°C
density	1.515 g/mL at 20 °C
vapor density	<1 (vs air)
vapor pressure	1 mm Hg ( 745 °C)
refractive index	1,473-1,475
Fp	176-178°C
storage temp.	room temp
solubility	H2O: 1 M at 20 °C, clear, colorless
form	beads
color	White
Specific Gravity	2.13
PH Range	13 - 14
PH	10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution);
Odor	Odorless
Water Solubility	SOLUBLE
λmax	λ: 260 nm Amax: 0.015 λ: 280 nm Amax: 0.01
Decomposition	176-178 ºC
Sensitive	Air Sensitive & Hygroscopic
Merck	14,8627
Dielectric constant	57.5（25℃）
Exposure limits	TLV-TWA air 2 mg/m3 (OSHA); ceiling 2 mg/m3 (ACGIH) and 2 mg/m3/15 min (NIOSH).
Stability:	hygroscopic
CAS DataBase Reference	1310-73-2(CAS DataBase Reference)
NIST Chemistry Reference	Sodium hydroxide(1310-73-2)
EPA Substance Registry System	Sodium hydroxide (1310-73-2)

Product Usage

Sodium hydroxide (NaOH) is one of the most useful industrial sodium compounds. It is also known as lye or caustic soda and is one of the strongest base alkalis (high pH value) on the household market. It is used as a drain and oven cleaner, and it saponifies fats in the manufacture of soap. It must be used with care because it is also capable of producing serious skin burns.

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