123-77-3

Name Azodicarbonamide
CAS 123-77-3
EINECS(EC#) 204-650-8
Molecular Formula C2H4N4O2
MDL Number MFCD00007958
Molecular Weight 116.08
MOL File 123-77-3.mol
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Chemical Properties

Appearance orange crystalline powder
Melting point  220-225 °C (dec.)(lit.)
Boiling point  217.08°C (rough estimate)
density  1.65
vapor pressure  0Pa at 25℃
refractive index  1.4164 (estimate)
Fp  225 °C
storage temp.  Flammables area
solubility  water: soluble0.033g/L at 20°C
form  Solid
pka 14.45±0.50(Predicted)
color  Yellow to orange-red crystalline powder
Odor odorless
PH 7 ( in H2O, neutral)
Stability: Highly flammable. Incompatible with strong oxidizing agents, strong acids, strong bases, heavy metal salts.
Water Solubility  SOLUBLE IN HOT WATER
Merck  14,919
BRN  1758709
Henry's Law Constant 1.2×107 mol/(m3Pa) at 25℃, HSDB (2015)
InChI 1S/C2H4N4O2/c3-1(7)5-6-2(4)8/h(H2,3,7)(H2,4,8)
InChIKey XOZUGNYVDXMRKW-AATRIKPKSA-N
LogP -1.148 (est)
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.
CAS DataBase Reference 123-77-3(CAS DataBase Reference)
NIST Chemistry Reference Diazenedicarboxamide(123-77-3)
EPA Substance Registry System 123-77-3(EPA Substance)
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Safety Data

Symbol(GHS)  Flame (GHS02)Health Hazard (GHS08)
GHS02,GHS08
Signal word  Danger
Hazard statements  H228-H334
Precautionary statements  P210-P240-P241-P261-P280-P304+P340+P312
Hazard Codes  Xn
Risk Statements 
R42:May cause sensitization by inhalation.
R44:Risk of explosion if heated under confinement.
Safety Statements 
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
TSCA  TSCA listed
REACH Registrations Active
HazardClass  4.1
PackingGroup  II
HS Code  29270000
Storage Class 4.1A - Other explosive hazardous materials
Hazard Classifications Flam. Sol. 1
Resp. Sens. 1
Safety Profile
Flammable solid. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data 123-77-3(Hazardous Substances Data)
Toxicity
LD50 oral in rat: > 6400mg/kg

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