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Oleum - 23%

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MOQ : 50 Kilograms

Oleum - 23% Specification

Molecular Formula
H2SO4xSO3

Melting Point
Varies depending on composition; typically below 10C

Application
Dyes & pigment manufacturing, nitration reactions, sulphonation processes, laboratory reagent, intermediate for chemical synthesis

Ph Level
<1 (very acidic)

Product Type
Acid

Purity
23% SO3

CAS No
8014-95-7

Taste
Not applicable (corrosive)

Physical Form
Liquid

Density
1.98 Gram per cubic centimeter(g/cm3)

Poisonous
YES

HS Code
28070010

Shape
Liquid; no fixed shape

Storage
Store in tightly closed containers, in a cool, dry, well-ventilated area away from water, moisture and incompatible substances

Solubility
Soluble in water with violent exothermic reaction

Molecular Weight
98.08 g/mol (H2SO4), 80.06 g/mol (SO3)

Structural Formula
H2SO4 + SO3

Grade
Industrial Grade

EINECS No
232-975-8

Usage
Industrial chemical processes, laboratory use

Ingredients
Sulphur Trioxide (SO3) dissolved in Sulphuric Acid (H2SO4)

Appearance
Clear to slightly yellowish, oily liquid

Smell
Pungent, strong, irritating

Properties
Fuming, highly corrosive, reacts violently with water, strong oxidizer

Shelf Life
2 years (under recommended storage conditions)

Corrosivity
Highly corrosive to metals and tissue

Packaging Details
HDPE drums, tankers, or as per customer requirement

Boiling Point
about 45C (for pure SO3 component), decomposes before boiling

Transport Hazard Class
8 (Corrosive)

Flash Point
Non-flammable

Hazard Statements
Causes severe skin burns and eye damage; may cause respiratory irritation

UN Number
1831

Packing Group
II (for transport)

Precautionary Measures
Wear suitable protective clothing, gloves, and eye protection

Vapor Pressure
23 mmHg at 20C

Environmental Hazards
Harmful to aquatic life; avoid release to environment

Oleum - 23% Trade Information

Minimum Order Quantity
50 Kilograms

Supply Ability
1 Kilograms Per Week

Delivery Time
1 Week

About Oleum - 23%

Oleum - 23%

CAS No.: 8014-95-7

Formula : H2O7S2

Appereance : Clear Colorlrss Liquid

Free Sulphur Trioxide : 23% Min

Residue On Ignition : 0.20% Max

Iron(as Fe): 0.05% Max

Chlorides (as Cl): 0.02% Max

Total Nitrogen (as HnoH3): 0.005% Max

Sulphur Dioxide (as So2): 0.2% Max

End Use : In Dye Intermediates

Safety and Handling Precautions

Due to its strong oxidizing properties and high corrosivity, Oleum demands careful handling. Protective clothing, gloves, and eye protection are essential, as contact causes severe burns and eye damage. Always keep containers tightly sealed in dry, well-ventilated areas, and avoid even minor water contact, which can trigger violent exothermic reactions.

Applications in Industry

Oleum - 23% is a crucial agent in the chemical industry, especially in dye and pigment manufacturing, nitration, and sulphonation processes. Its strong reactivity and fuming nature make it valuable for advanced synthesis operations and as a laboratory reagent, contributing to the production of numerous industrial intermediates.

Transport and Storage Guidelines

Oleum is classified under UN Number 1831, Packing Group II, and Transport Hazard Class 8 due to its corrosive properties. It is transported in HDPE drums or tankers per safety regulations. Proper storage extends the products shelf life up to two years while minimizing environmental hazard and ensuring user safety.

FAQs of Oleum - 23%:

Q: How should Oleum - 23% be safely stored and handled in an industrial setting?

A: Oleum must be stored in tightly closed HDPE containers in a cool, dry, well-ventilated area, strictly away from water, moisture, and incompatible substances. Personnel should always wear protective clothing, gloves, and eye protection while handling to prevent severe burns and injuries.

Q: What is Oleum - 23% commonly used for in chemical processes?

A: Oleum - 23% is widely used in dye and pigment manufacturing, nitration and sulphonation reactions, laboratory applications, and as an intermediate in chemical synthesis due to its strong oxidizing and reactive properties.

Q: When should Oleum be transported, and what precautions are necessary during transit?

A: Oleum should be transported only in approved HDPE drums or tankers, according to regulations for hazardous materials (UN 1831, Class 8, Packing Group II). Transport must avoid exposure to moisture, physical impacts, and ensure containers are securely sealed to prevent leaks and environmental hazards.

Q: Where is Oleum - 23% typically applied within industrial settings?

A: It is indispensable in chemical plants, dye and pigment manufacturing facilities, research laboratories, and various synthesis applications, wherever strong sulphonating or nitrating agents are required.

Q: What process precautions are necessary when diluting or using Oleum with water?

A: Oleum reacts violently and exothermically with water. Always add Oleum to water very slowly, ideally under controlled laboratory conditions with adequate safety solutions and equipment to contain potential heat and fumes.

Q: How does Oleum benefit industrial chemical synthesis over other acids?

A: Oleums high SO3 content and strong oxidizing abilities enable more efficient and targeted reactions, especially in complex sulphonation and nitration, leading to higher product yields and purity in industrial processes.

Q: What should be done in case of accidental contact with Oleum?

A: In case of skin or eye contact, immediately flush the affected area with copious amounts of water for at least 15 minutes and seek medical attention at once. Always have emergency showers and eyewash stations accessible in areas where Oleum is handled.

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