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Sodium hydroxide

Sodium hydroxide

Basic Information

Sodium Hydroxide
Caustic Soda
NaOH
Flakes; Granules; Beads; Lumps

Sodium hydroxide, commonly known as caustic soda, is an inorganic compound with the chemical formula NaOH. It is a white, hygroscopic solid that dissolves readily in water with the release of heat, forming a strongly alkaline and corrosive solution. It is used for acid neutralization, saponification, grease removal and pH adjustment, with applications in pulp and paper production, textile processing, wastewater treatment, chemical manufacturing and petroleum refining.

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product description

Strong alkalinity and activity: It has strong alkali corrosivity and saponification ability, and can react rapidly with grease and acidic substances.


Good hygroscopicity and solubility: It is highly deliquescent, easily soluble in water and glycerin, slightly soluble in ethanol, with fast dissolution rate and clear aqueous solution.


Excellent reaction performance: It can participate in various chemical reactions such as neutralization, saponification and sulfonation, suitable for various chemical synthesis working conditions.


Strict storage & operation: Store hermetically in dry and dark environment, keep away from acids and flammables.


Product Description of Sodium hydroxide CAS#1310-73-2

Sodium hydroxide, commonly known as caustic soda, is an inorganic strong alkali chemical raw material. It appears as white flake, granular or lumpy solid under normal conditions. It is hygroscopic and easily soluble in water with heat release. Its aqueous solution is strongly alkaline with active chemical properties, serving as a basic bulk chemical raw material.


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

As a widely used basic chemical raw material, sodium hydroxide is mainly used as alkaline neutralizer, saponifier, detergent, decolorizer and corrosive agent. It is extensively applied in papermaking and pulping, textile printing and dyeing, sewage treatment, chemical synthesis, metallurgical purification, daily chemical washing, petroleum refining and food processing industries, effectively completing production processes such as acid-base neutralization, grease removal, wastewater adjustment and raw material purification.

Product Specifications

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

λ: 280 nm Amax: 0.01

Decomposition

176-178 ºC

Sensitive

Air Sensitive & Hygroscopic

Merck

148,627

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

Cosmetics Ingredients Functions

DENATURANT

BUFFERING

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChIKey

HEMHJVSKTPXQMS-UHFFFAOYSA-M

SMILES

[OH-].[Na+]

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

OEL

Ceiling: 2 mg/m3

RIDADR

UN 1823 8/PG II (SODIUM HYDROXIDE, SOLID)

RIDADR

UN 1824 8/PG II/III (SODIUM HYDROXIDE SOLUTION)

WGK Germany

1

RTECS

TT2975000

F

8

TSCA

TSCA listed

HS Code

2815 11 00

HazardClass

8

PackingGroup

II

Storage Class

8B - Non-combustible corrosive hazardous materials

Hazard Classifications

Eye Dam. 1

Met. Corr. 1

Skin Corr. 1A

Hazardous Substances Data

1310-73-2(Hazardous Substances Data)

Toxicity

LD orally in rabbits: 500 mg/kg (10% soln) (Fazekas)

IDLA

10 mg/m3


Factory Showcase
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Shipping And Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.


2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.


3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.


4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.


5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.

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