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Azodicarbonamide

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Name Azodicarbonamide EINECS 204-650-8
CAS No. 123-77-3 Density 1.87 g/cm3
Solubility soluble in hot water Melting Point 220-225 ºC (dec.)
Formula C2H4N4O2 Boiling Point 284.8 ºC at 760mmHg
Molecular Weight 116.10 Flash Point 126 ºC
Transport Information UN 3242 4.1/PG 2 Appearance orange crystalline powder
Safety 22-24-37 Risk Codes 42-44
Molecular Structure Molecular Structure of 123-77-3 (Azodicarbonamide) Hazard Symbols HarmfulXn
Synonyms

FerrocellAZC 13R;Ficel AC;Ficel EP-A;Genitron EPC;Genitron EPE;HM 80A;Kempore;Kempore 125;Kempore 200;Kempore 60/40;Kempore R 125;Lagocell 20;Lucel ADA;Luvopor 9241;Luvopor ABF70P-FF;MB 31;NSC 41038;NSC 674447;Nortech MF 1062FA;Paramid K 1;PinholeACR 3;Pinhole AK 2;Poramid K 1;Porofor 505;Porofor ADC;S 643;SO 20;SO-G 3;SO-G 3 (foamer);SOL;Supercell AZ 2D;Supercell K-D;Supercell L-D;SupercellV-D;Tracel DB 201/50PE;Unicell D;Unicell D 1500;Azodicarbonamide (NX-4000);Formamide, 1,1'-azobis- (6CI,8CI);1,1'-Azobis[formamide];1,1'-Azobiscarbamide;1,1'-Azodiformamide;1500TID;A 9660;AA 110S;ABFA;AC (foaming agent);AC 1000 (blowing agent);AC 170;AC 1C;AC 1L;AC 2F-K3;AC 3000;AC 3C2;AC 3K2;AC-EFS;AC-K 3;AC-K-F 3;AC-LQ;AC-R;ADC;ADC 21;ADK Stab OF 14;AW 9;AZ 120;AZ 130;AZ 199;AZ 3050I;AZ 605;AZ Ultra 3050;AZ-H;AZO AZ 130;Azobis 50C;Azobis CA;Azobul;Azobul B;Azocel;Azodicarbamide;Diazenedicarboxamide(9CI);ADC blowing agent;

 

Chemistry

The Molecular Structure of Azodicarbonamide (CAS NO.123-77-3):

Empirical Formula: C2H4N4O2
Molecular Weight: 116.0788 
IUPAC Name: (E)-carbamoyliminourea  
Appearance: orange crystalline powder
Nominal Mass: 116 Da
Average Mass: 116.0788 Da
Monoisotopic Mass: 116.033425 Da 
Index of Refraction: 1.679
Molar Refractivity: 23.39 cm3
Molar Volume: 61.9 cm3
Surface Tension: 101.7 dyne/cm
Density: 1.87 g/cm3
Flash Point: 126 °C
Enthalpy of Vaporization: 52.38 kJ/mol
Boiling Point: 284.8 °C at 760 mmHg 
Storage temp: Flammables area
Water Solubility: SOLUBLE IN HOT WATER 
Stability: Highly flammable. Incompatible with strong oxidizing agents, strong acids, strong bases, heavy metal salts
Vapour Pressure: 0.00292 mmHg at 25°C 
Synonyms: 1,1’-Azobiscarbamide ; 1,1’-Azobis-formamid ; 1,1’-Azodiformamide ; 1,1'-Azodiformamide ; Azobiscarbonamide ; Azobiscarboxamide   
Product Categories: Industrial/Fine Chemicals;pharmacetical;A-B;Alphabetical Listings;Flavors and Fragrances;Azo/Diazo Compounds;Nitrogen Compounds;Organic Building Blocks

Uses

 Azodicarbonamide (CAS NO.123-77-3) is used in food industry as a food additive, a flour bleaching agent and improving agent. The principal use of Azodicarbonamide(123-77-3) is in the production of foamed plastics. The thermal decomposition of azodicarbonamide results in the evolution of nitrogen, carbon monoxide , carbon dioxide , and ammonia gases which are trapped in the polymer as bubbles to form a foamed article. Common examples of this application are window and door gaskets, padded floor mats, gym/exercise mats, shoe soles etc...

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intraperitoneal 440mg/kg (440mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 15(Suppl,
rat LD50 oral > 6400mg/kg (6400mg/kg)   American Industrial Hygiene Association Journal. Vol. 48, Pg. 127, 1987.
 
rat LD50 skin > 500mg/kg (500mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 15(Suppl,
RTECS : LQ1040000

Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 42-44 
R42: May cause sensitization by inhalation
R44: Risk of explosion if heated under confinement
Safety Statements: 22-24-37 
S22: Do not breathe dust
S24: Avoid contact with skin
S37: Wear suitable gloves
RIDADR: UN 3242 4.1/PG 2
WGK Germany: 1
RTECS: LQ1040000
HazardClass: 4.1
PackingGroup: II 
 Azodicarbonamide (CAS NO.123-77-3) is a respiratory sensitiser (a possible cause of asthma) and it should be labeled with "May cause sensitisation by inhalation." Azodicarbonamide (CAS NO.123-77-3) may cause an allergic reaction in those sensitive to other azo compounds (such as food dyes). The consumption of azodicarbonamide may also heighten an allergic reaction to other ingredients in a food. Panera Bread uses Azodicarbonamide in their bagels. It should be noted that during the bread baking process azodicarbonamide is completely decomposed into gasses (carbon dioxide, carbon monoxide, nitrogen, and ammonia) and therefore is never eaten.

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