0-0.5mm Calcium Carbide

Calcium carbide powder; Powdered calcium carbide: It can make the chemical
reaction more complete and rapid.
Instant response, suitable for laboratories and precision processing

Size: 
0-0.5mm
Product Advantages: 
High gas yield, High purity, Stable performance, and Safety in use

Application
Physical and chemical properties
(1) Highly reactive: The powder state maximizes the contact area of calcium
carbide particles. When reacting with water, the rate of releasing acetylene
(C₂H₂) per unit time is much higher than that of bulk calcium carbide (up to 3-
5 times that of ordinary calcium carbide).
It is suitable for scenarios that require instantaneous high flow of acetylene
(such as precision combustion and rapid synthesis reactions).
(2) Rapid and complete reaction: Traditional bulk calcium carbide forms a
calcium hydroxide (Ca(OH)₂) coating after surface reaction, which hinders the
internal reaction. The utilization rate is usually only 70-85%. Powdered
calcium carbide has tiny particles and almost 100% reaction, with no core
unreacted residue, which significantly reduces the amount of waste residue.
(3) Suspension and dispersibility: In specific solvents (such as mineral oil
or organic media), powdered calcium carbide can be evenly dispersed and used in
reaction systems with controlled slow release of acetylene. It can also be
transported by air flow to achieve automatic feeding.

Unique industrial application advantages
(1) Precision chemicals and laboratories
Gas chromatography carrier gas: When high-purity acetylene is required,
powdered calcium carbide can react quickly and filter impurities, which is more
flexible than cylinder gas supply.
Nanomaterial synthesis:As a carbon source, it participates in the chemical
vapor deposition (CVD) process of carbon nanotubes (CNT) or graphene. Due to
its fast reaction rate, the release of carbon atoms can be precisely
controlled.
(2) Metallurgical industry
High-efficiency desulfurizer: In steel smelting, powdered calcium carbide can
instantly combine with sulfur in molten metal (generating CaS) to improve
desulfurization efficiency
Alloy additive: Through the jet injection method, it directly participates in
the regulation of carbon elements in the metal liquid (such as high-carbon
steel production).
(3) Pharmaceutical and pesticide synthesis
Highly active intermediates: When synthesizing vitamin A and alkyne drugs,
powdered calcium carbide can quickly provide acetylene groups (-C≡CH),
shortening the reaction time.

Specifications
Size 0-0.5mm
Gas Yield 230L/kg
CAC2 62%
PH3 0.04%
H2S 0%
Color Grey or Black
Appearance Granular
Grade Standard Industrial Grade
CAS NO. 75-20-7
EINECS 200-848-3
Formula CaC2
UN No. 1402
HS Code 284910
Package 50kg,60kg,100kg,120kg New Iron Drum

NEW OCEAN GROUP -- an excellent calcium carbide supplier
1.High purity products – calcium carbide content ≥80%, suitable for
industrial applications.
2.Stable supply capacity – stable supply of large quantities of products.
3.Safety standards – in compliance with dangerous goods transportation and
storage regulations.
4.Good packaging – usually packaged in barrels or iron drums, sealed to
prevent moisture.
5.Technical support – providing customized solutions.
6.Export experience – familiar with global dangerous goods transportation.

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