Basic information Description References Safety Supplier Related
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Azodicarbonamide

Basic information Description References Safety Supplier Related

Azodicarbonamide Basic information

Product Name:
Azodicarbonamide
Synonyms:
  • 1,1’-azobiscarbamide
  • 1,1’-azobis-formamid
  • 1,1’-azodiformamide
  • 1,1'-Azodiformamide
  • abfa
  • az
  • DICARBAMOYLDIMIDE
  • AZODICARBOXAMIDE
CAS:
123-77-3
MF:
C2H4N4O2
MW:
116.08
EINECS:
204-650-8
Product Categories:
  • Azo/Diazo Compounds
  • Building Blocks
  • Chemical Synthesis
  • Nitrogen Compounds
  • Organic Building Blocks
  • pharm intermediate
  • pharmacetical
  • Azo/Diazo Compounds
  • Nitrogen Compounds
  • Organic Building Blocks
  • A-B
  • Alphabetical Listings
  • Flavors and Fragrances
  • Pyridines
  • Industrial/Fine Chemicals
Mol File:
123-77-3.mol
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Azodicarbonamide Chemical Properties

Melting point:
220-225 °C (dec.)(lit.)
Boiling point:
217.08°C (rough estimate)
Density 
1.65
refractive index 
1.4164 (estimate)
Flash point:
225 °C
storage temp. 
Flammables area
solubility 
water: soluble0.033g/L at 20°C
pka
14.45±0.50(Predicted)
color 
Orange-red powder or crystals
color 
Yellow to orange-red crystalline powder
Water Solubility 
SOLUBLE IN HOT WATER
Merck 
14,919
BRN 
1758709
Stability:
Highly flammable. Incompatible with strong oxidizing agents, strong acids, strong bases, heavy metal salts.
InChIKey
XOZUGNYVDXMRKW-AATRIKPKSA-N
CAS DataBase Reference
123-77-3(CAS DataBase Reference)
NIST Chemistry Reference
Diazenedicarboxamide(123-77-3)
EPA Substance Registry System
Azodicarbonamide (123-77-3)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
42-44-R44-R42
Safety Statements 
22-24-37-S37-S24-S22
RIDADR 
UN 3242 4.1/PG 2
WGK Germany 
1
RTECS 
LQ1040000
HazardClass 
4.1
PackingGroup 
II
HS Code 
29270000
Hazardous Substances Data
123-77-3(Hazardous Substances Data)
Toxicity
LD50 oral in rat: > 6400mg/kg

MSDS

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Azodicarbonamide Usage And Synthesis

Description

Azodicarbonamide is a synthetic chemical that exists at ambient temperature as a yellow-orange crystalline solid. Azodicarbonamide is mainly used as a blowing agent in the rubber and plastics industries in the expansion of a wide range of polymers, including polyvinyl chloride, polyolefins, and natural/synthetic rubbers. Azodicarbonamide is also used as a food additive, such as an aging and bleaching ingredient in cereal flour and as a dough conditioner in bread baking.

References

[1] https://www.fda.gov
[2] http://www.who.int
[3] C. D. Han, Y. W. Kim and K. D. Malhotra, A study of foam extrusion using a chemical blowing agent , Journal of Applied Polymer Science, 1976, vol. 20, 1583-1595

Chemical Properties

orange crystalline powder

Uses

Azodicarboxamide is used as an additive to wheat flour breads and dough to improve the physical properties of the dough and the baking performance. It is also used to optimize the levels of oxidant/re ducing agents in the baking of wheat flour.

Uses

As blowing and foaming agent for plastics; as maturing and bleaching agent in cereal flour.

Uses

Azodicarbonamide is a dough conditioner that exists as a yellow to orange-red crystalline powder practically insoluble in water. it is used in aging and bleaching cereal flour to produce a more manage- able dough and a lighter, more voluminous loaf of bread. it is used in bread flours and bread as a dough conditioner. it can be used with the oxidizing agent potassium bromate. a typical use level is less than 45 ppm.

General Description

A yellow to orange powder. Insoluble in water and common solvents. Soluble in dimethyl sulfoxide. Nontoxic.

Air & Water Reactions

Highly flammable. Water insoluble. Dust may form an explosive mixture in air.

Reactivity Profile

Azodicarbonamide is easily ignited and burns rapidly. Confined samples show a high rate of pressure rise during thermal decomposition, which produces carbon monoxide and nitrogen. Sensitive to temperatures exceeding 122°F. May be sensitive to exposure to light. Stable in bulk when stored for two weeks at temperatures up to 140°F. Slightly unstable in water suspension (showed1.3% decomposition at 2 mg/mL over a two-week period at room temperature in the light but no decomposition at 41°F over a two-week period in the dark . Reacts with hot water to give nitrogen, carbon monoxide, and ammonia [Hawley]. Decomposes in hot hydrochloric acid. Incompatible with strong acids and bases, and with compounds of metals.

Health Hazard

Inhalation or contact with vapors, substance or decomposition products may cause severe injury or death. May produce irritating, toxic and/or corrosive gases. Runoff from fire control may cause pollution.

Fire Hazard

Self-decomposition or self-ignition may be triggered by heat, chemical reaction, friction or impact. May be ignited by heat, sparks or flames. Some may decompose explosively when heated or involved in a fire. May burn violently. Decomposition may be self-accelerating and produce large amounts of gases. Vapors or dust may form explosive mixtures with air.

Safety Profile

Flammable solid. When heated to decomposition it emits toxic fumes of NOx.

AzodicarbonamideSupplier

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