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| CAS No.: | 110-21-4 |
|---|---|
| Name: | BIUREA |
| Molecular Structure: | |
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| Formula: | C2H6 N4 O2 |
| Molecular Weight: | 118.095 |
| Synonyms: | Biurea(6CI,7CI,8CI);1,1'-Hydrazobis(formamide);Bicarbamamide;Bicarbamimidic acid;Cellmic 142;Diurea;FE 823;HDCA;Hydradicarbonamide;Hydrazine,1,2-bis(aminocarbonyl)-;Hydrazine-N,N'-bis(carboxamide);Hydrazinedicarboxylicacid diamide;Hydrazocarbonamide;Hydrazodicarbamide;Hydrazodicarbonamide;Hydrazodicarboxamide;KBH 30;LDA;LDA (fire retardant);N,N'-Biscarbamoylhydrazine;NSC 1897;S 3176;Ureidourea; |
| EINECS: | 203-747-2 |
| Density: | 1.461g/cm3 |
| Melting Point: | 247-250 °C |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Appearance: | WHITE POWDER |
| Risk Codes: | 36/37/38 |
| Safety: | Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx. |
| PSA: | 110.24000 |
| LogP: | 0.42040 |
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| Conditions | Yield |
|---|---|
| With hydrazine hydrate In acetonitrile at 20℃; for 1.5h; | 98% |
| With hydrogen sulfide; water beim Kochen; | |
| With hydrogenchloride beim Kochen; | |
| With water; sodium carbonate beim Kochen; |
- 110-21-4
hydrazodicarboxamide
| Conditions | Yield |
|---|---|
| With ammonia; aluminum (III) chloride; zinc(II) chloride In water at 10 - 60℃; for 1h; | 97% |
| With ammonia; aluminum (III) chloride; zinc(II) chloride In water at 10 - 60℃; for 1h; | 96% |
| With ammonia; cadmium(II) chloride; zinc(II) chloride In water at 10 - 60℃; for 1h; | 96% |
| Conditions | Yield |
|---|---|
| Stage #1: BIURET With sodium hypochlorite In water at 5 - 10℃; Stage #2: With ammonia; zinc(II) chloride In water at 100℃; for 0.5h; Product distribution / selectivity; | 96% |
| Stage #1: BIURET With sodium hypochlorite In water at 5 - 10℃; Stage #2: With ammonia In water at 100℃; for 0.5h; Product distribution / selectivity; | 95% |
| Stage #1: BIURET With sodium hypochlorite In ethanol; water at 5 - 10℃; Stage #2: With ammonia In ethanol; water at 100℃; for 0.5h; Product distribution / selectivity; | 85% |
- 110-21-4
hydrazodicarboxamide
| Conditions | Yield |
|---|---|
| With ammonia; zinc(II) chloride In water at 10 - 100℃; for 0.5h; Product distribution / selectivity; | 93% |
| With ammonia; hydrogenchloride In water at 10 - 100℃; for 0.5h; Product distribution / selectivity; | 92% |
| With ammonia; nickel diacetate In water at 10 - 100℃; for 0.5h; Product distribution / selectivity; | 92% |
| With ammonia In water at 10 - 100℃; for 0.5h; Product distribution / selectivity; | 87% |
- 81824-93-3
(E)-2-(3,4,5-trimethoxybenzylidene)hydrazine carboxamide
A
- 110-21-4
hydrazodicarboxamide
B
- 7251-01-6
(1E, 2E)-1,2-bis(3,4,5-trimethoxybenzylidene)hydrazine
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 120 - 150℃; Rearrangement; elimination; | A n/a B 87% |
A
- 110-21-4
hydrazodicarboxamide
B
- 28867-76-7
benzaldehyde benzylidenehydrazone
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 120 - 150℃; Rearrangement; elimination; | A n/a B 85% |
- 16742-62-4
3,4-methylenedioxybenzaldehyde semicarbazone
A
- 110-21-4
hydrazodicarboxamide
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 120 - 150℃; Rearrangement; elimination; | A n/a B 84% |
- 120445-53-6
(E)-2-(4-methoxybenzylidene)hydrazine carboxamide
A
- 110-21-4
hydrazodicarboxamide
B
- 41097-47-6
N,N'-Bis-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-hydrazine
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 120 - 150℃; Rearrangement; elimination; | A n/a B 83% |
A
- 110-21-4
hydrazodicarboxamide
B
- 134691-71-7
(1E,2E)-1,2-bis(3,4-dimethoxybenzylidene)hydrazine
| Conditions | Yield |
|---|---|
| In tetrahydrofuran at 120 - 150℃; Rearrangement; elimination; | A n/a B 68% |
- 27991-08-8
N-acetoacetylphenylhydroxyloamine
A
- 110-21-4
hydrazodicarboxamide
B
- 100-65-2
N-Phenylhydroxylamine
C
- 57303-41-0
1-carbamido-3-methyl-2-pyrazolin-5-one
D
- 495-48-7
azoxybenzene
| Conditions | Yield |
|---|---|
| With semicarbazide hydrochloride; sodium carbonate In ethanol for 24h; Ambient temperature; Further byproducts given; | A 63% B 35% C 15.5% D 30% |
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Chemistry
IUPAC Name: 1,2-Hydrazinedicarboxamide
The MF of 1,2-Hydrazinedicarboxamide (110-21-4) is C2H6N4O2.
The MW of 1,2-Hydrazinedicarboxamide (110-21-4) is 118.09.
Synonyms of 1,2-Hydrazinedicarboxamide (110-21-4): Hydrazine-1,2-dicarboxamide ; 1, 2-Hydrazinedicarboxamide ; 1,1'-Hydrazinebisformamide ; 1,1-Hydrazoformamide
Product Categories: Pharmaceutical Intermediates;Hydrazines,Hydrazones and Oximes
Apperance: White powder
Index of Refraction: 1.547
Density: 1.461 g/ml
EINECS: 203-747-2
Melting Point: 239-241 °C
Uses
1,2-Hydrazinedicarboxamide (110-21-4) is used as the production of ADC foaming agent.
Production
It is chemically classified as an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).
Toxicity Data With Reference
| 1. | orl-rat LD50:>2 g/kg | ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. 15 (Suppl 1),(1996),S92. |
Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx.Safety information of 1,2-Hydrazinedicarboxamide (110-21-4):
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
24/25 Avoid contact with skin and eyes