Sodium hydroxide CAS# 1310-73-2
Strong Corrosive Base ： Highly effective for industrial cleaning and chemical reactions.
High Solubility ： Easily dissolves in water, methanol, and ethanol.
Deliquescent Property ： Absorbs moisture and acidic gases from the air, aiding storage and reactivity.
Versatile Applications ： Essential in paper, textile, detergent, and drain cleaning industries.
Product Description of Caustic Soda (CAS 1310-73-2)
Sodium Hydroxide (NaOH), popularly known as Caustic Soda, is one of the most versatile and widely used industrial chemicals. Available in white flake or granular form, this strong base is highly corrosive and easily dissolves in water and alcohols to create powerful alkaline solutions. Its hygroscopic properties allow it to absorb both moisture and carbon dioxide from the surrounding environment. From the large-scale manufacturing of textiles and wood pulp paper to its essential role in soap production and household drain cleaning, Sodium Hydroxide remains a necessity in modern industrial chemistry.
Parameters
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 |
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) |
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 |
OEL | Ceiling: 2 mg/m3 |
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 |
Broad Applications of Caustic Soda (CAS 1310-73-2)
As a high-demand industrial alkali, Sodium Hydroxide is vital to modern manufacturing in 2026. Its utility ranges from advanced pharmaceutical synthesis and metallurgy to traditional sectors like soap making and textiles. Whether used as a critical reactant in organic chemistry or as a catalyst in metal smelting, its stability and high reactivity are unmatched.
We provide specialized grades tailored to specific regulatory needs, ensuring your production lines—from precious metal processing to food-grade applications—remain compliant with the highest national standards (GB series).
