SoleChem

Azodicarbonamide

CAS
123-77-3
EC
204-650-8
Mol. Weight
116.08 g/mol
Abbreviation
ADCA

Description

Azodicarbonamide (CAS 123-77-3), also known as ADCA or Celogen AZ, is a chemical blowing agent and dough conditioner used across rubber processing, plastics manufacturing, and food production.

It decomposes upon heating to release gas, generating a controlled cellular structure in foamed materials or improving dough handling properties in baked goods for industrial food processors.

In rubber and plastics, ADCA is compounded into EVA, PVC, and polyolefin formulations to produce foamed sheets, profiles, and soles for footwear where consistent cell structure affects product density.

Bread and flour manufacturers use it as a flour maturing agent, where it strengthens gluten networks and improves machinability of high-output dough lines in commercial bakery environments.

In synthetic leather and textile coating applications, it generates the foam layer in PVC-coated fabrics, controlling thickness and flexibility of the finished substrate for various industrial uses.

Masterbatch producers also incorporate ADCA into concentrate systems for downstream processors requiring pre-dispersed blowing agent solutions to ensure uniform distribution during the manufacturing process.

Azodicarbonamide is supplied as a yellow to orange fine powder. Standard commercial grades include food-grade and technical/rubber grades differentiated by particle size and decomposition temperature range.

Activated grades with modified decomposition profiles are available for specific polymer processing windows, ensuring the material meets strict industrial requirements and performance benchmarks.

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Physical Properties

Melting Point 225 °C (decomp)
Boiling Point 217.08°C (rough estimate)
Density 1.65 g/cm³ @ Temp: 20 °C
Flash Point 225 °C
Appearance orange crystalline powder
Color Yellow to orange-red crystalline powder
Odor odorless
Form Solid
Water Solubility SOLUBLE IN HOT WATER
Vapor Pressure 0Pa at 25℃
Refractive Index 1.4164 (estimate)
pH 7 ( in H2O, neutral)
Log P -1.148 (est)

Safety & Handling (Learn More)

Danger GHS08 GHS02 GHS07
Hazard Statements
H228 Flammable solid
H317 May cause an allergic skin reaction
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H402 Harmful to aquatic life
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 In case of inadequate ventilation wear respiratory protection.
P321 Specific treatment (see … on this label).
P403 Store in a well-ventilated place.
P501 Dispose of contents/container in accordance with local regulations.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P333+P317 Get emergency medical help.
P342+P316 Get emergency medical help immediately.
P362+P364 Take off contaminated clothing and wash it before reuse.
P370+P378 Use … for extinction.

Trade & Regulatory

HS Code 29270000
UN Number 3242
ADR Class 4.1
Packing Group II
Storage Class 4.1A - Other explosive hazardous materials
WGK (Germany) 1

Documentation

Other Names

azo(bis)formamide|ADCA|Celogen AZ|1,2-Diazenedicarboxamide|Formamide, 1,1′-azobis-|ADC|E927a.

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