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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

Molecular weight:39.99711

Sample: Available

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Product Details

Products Description of Sodium Hydroxide CAS#1310-73-2

Sodium hydroxide, also known as caustic soda and caustic soda, has the chemical formula NaOH. It is a highly corrosive strong base, usually in white flakes or granules. It can be mixed with water to form an alkaline solution, and can also be dissolved in methanol and ethanol. This alkaline substance is deliquescent and will absorb water vapor in the air, as well as acidic gases such as carbon dioxide. Sodium hydroxide is one of the commonly used chemicals. It has a wide range of applications and is a necessity in many industrial processes: it is often used in the manufacture of wood pulp paper, textiles, soaps and other detergents, and is also used in household alkaline drain cleaning products.

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
Specific Gravity	2.13
color	White
Odor	Odorless
PH Range	13 - 14
PH	10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution);
Water Solubility	SOLUBLE
Sensitive	Air Sensitive & Hygroscopic
Decomposition	176-178 ºC
λmax	λ: 260 nm Amax: 0.015 λ: 280 nm Amax: 0.01
Merck	14,8627
Exposure limits	TLV-TWA air 2 mg/m³ (OSHA); ceiling 2 mg/m³ (ACGIH) and 2 mg/m³/15 min (NIOSH).
Dielectric constant	57.5（25℃）
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)

Safety Information

Hazard Codes	C,Xi
Risk Statements	36/38-35-34
Safety Statements	26-45-37/39-24/25-36/37/39
RIDADR	UN 1824 8/PG 2
WGK Germany	1
RTECS	TT2975000
F	8
TSCA	Yes
HS Code	2815 11 00
HazardClass	8
PackingGroup	II
Hazardous Substances Data	1310-73-2(Hazardous Substances Data)
Toxicity	LD orally in rabbits: 500 mg/kg (10% soln) (Fazekas)
IDLA	10 mg/m3

Product Application of Sodium Hydroxide CAS#1310-73-2

Sodium hydroxide has a wide range of uses. In chemical experiments, in addition to being used as a reagent, it can also be used as an alkaline desiccant due to its strong hygroscopicity. Caustic soda is widely used in the national economy and is needed by many industrial sectors. The sector that uses the most caustic soda is the manufacture of chemical drugs, followed by papermaking, aluminum smelting, tungsten smelting, rayon, artificial cotton and soap manufacturing. In addition, a large amount of caustic soda is also used in the production of dyes, plastics, pharmaceuticals and organic intermediates, the recycling of old rubber, the production of metallic sodium, the electrolysis of water, and the production of inorganic salts, and the production of borax, chromium salts, manganates, phosphates, etc. Due to its strong alkalinity, it can cause pollution to water bodies, and attention should be paid to plants and aquatic organisms.

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