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1,3-Diaminourea is the chemical compound with the formula OC(N2H3)2.
1,3-Diaminourea is a white, water-soluble solid.
1,3-Diaminourea decomposes upon melting.
A number of carbazides are known where one or more N-H groups are replaced by other substituents.
They occur widely in the drugs, herbicides, plant growth regulators, and dyestuffs.
CAS Number: 497-18-7
EC Number: 207-837-2
IUPAC Name: 1,3-Diaminourea
Chemical Formula: CH6N4O
Other names: Carbohydrazide, 497-18-7, Carbonic dihydrazide, 1,3-Diaminourea, Carbonohydrazide, Carbazide, Carbodihydrazide, Hydrazine, carbonyldi-, Hydrazine, carbonylbis-, Carbazic acid, hydrazide, Urea, N,N'-diamino-, Semicarbazide, 4-amino-, Carbonic acid, dihydrazide, Cabazide, Karbazid, Hydrazinecarboxamide, N-amino-, Urea, 1,3-diamino-, carbonyl dihydrazine, Hydrazinecarboxylic acid, hydrazide, 1,3-Diaminomocovina, Carbonohydrazid, UNII-W8V7FYY4WH, carbonodihydrazide, NSC 1934, N,N'-diaminourea, 4-aminosemicarbazide, carbonylbis-hydrazine, hydrazinecarbohydrazide, N-aminohydrazinecarboxamide, W8V7FYY4WH, N-aminohydrazine carboxamide, hydrazide hydrazinecarboxylic acid, Karbazid [Czech], 1,3-Diaminomocovina [Czech], EINECS 207-837-2, CH6N4O, BRN 1747069, AI3-52397, carbonyldihydrazide, Urea,3-diamino-, Urea,N'-diamino-, Carbohydrazide, 98%, 1,3-bis(azanyl)urea, WLN: ZMVMZ, EC 207-837-, 4-03-00-00240 (Beilstein Handbook Reference), 1,3-Diaminomocovina, 1,3-diamino-ure, 4-amino-semicarbazid, Cabazide, 1,3-DIAMINOUREA, Carbohydrazide58%, CHZ Oxygen Scavenger, 4-Aminoisosemicarbazide, Carbonyldihydrazide, Isocarbonohydrazide, CARBOHYDRZIDE, Carbohydrazide,97%, Carbohydrazide 98%, Carbohydrazide(1,3-DiaMinourea), Carbohydrazide, 98+%, carbonyl dihydrazine, Carbohydrazide 1,3-Diaminourea Carbonic dihydrazide, Carbazic acid, hydrazide, carbazicacid,hydrazide, Carbodihydrazide, Carbonic acid, dihydrazide, carbonicacid,dihydrazide, Carbonohydrazide, carbonyldi-hydrazin, Hydrazine, carbonylbis-, Hydrazine, carbonyldi-, Hydrazinecarboxamide, N-amino-, Hydrazinecarboxylic acid, hydrazide, Karbazid, Semicarbazide, 4-amino-, Urea, 1,3-diamino-, Urea, N,N'-diamino-, CARBAZIDE, CARBOHYDRAZIDE, CARBONIC ACID HYDRAZINE, CARBONIC DIHYDRAZIDE, LABOTEST-BB LT00233149, Carbohydrazide >, Carbohydrazide fandachem, Carbohydrazider, carbohydrazide cas 497-18-7, High quality Carbohydrazide powder CAS 497-18-7
Production
Industrially the compound is produced by treatment of urea with hydrazine:
OC(NH2)2 + 2 N2H4 → OC(N2H3)2 + 2 NH3
1,3-Diaminourea can also be prepared by reactions of other C1-precursors with hydrazine, such as carbonate esters.
1,3-Diaminourea can be prepared from phosgene, but this route cogenerates the hydrazinium salt [N2H5]Cl and results in some diformylation. Carbazic acid is also a suitable precursor:
N2NH3CO2H + N2H4 → OC(N2H3)2 + H2O
Structure
The molecule is nonplanar. All nitrogen centers are at least somewhat pyramidal, indicative of weaker C-N pi-bonding. The C-N and C-O distances are about 1.36 and 1.25 Å, respectively.
Industrial uses
Oxygen scrubber:
1,3-Diaminourea is used to remove oxygen in boiler systems. Oxygen scrubbers prevent corrosion.
Precursor to polymers: 1,3-Diaminourea can be used as a curing agent for epoxide-type resins.
Photography:
carbohyrazide is used in the silver halide diffusion process as one of the toners.
1,3-Diaminourea is used to stabilize color developers that produce images of the azo-methine and azine classes.
1,3-Diaminourea has been used to develop ammunition propellants, stabilize soaps, and is used as a reagent in organic synthesis.
Uses and Manufacturing
Industry Uses
Corrosion inhibitors and anti-scaling agents
Intermediates
Oxidizing/reducing agents
Surface active agents
water treatment
Consumer Uses
Fuels and related products
Water treatment products
oxidizer
General Manufacturing Information
Industry Processing Sectors
All other basic organic chemical manufacturing
All other chemical product and preparation manufacturing
Oil and gas drilling, extraction, and support activities
Utilities
water treatment
Oxygen scavenger of the boiler water
When acting as the oxygen scavenger of boiler water, 1,3-Diaminourea may be directly added into the water while its aqueous solution can also be used.
The usage amount of 1,3-Diaminourea for scavenging 1mol O2 is 0.5mol, and should be appropriately in excess.
The proper temperature range is 87.8-176.7 ℃.
The optimal time for applying 1,3-Diaminourea is after the thermal scavenging of oxygen.
The reaction of oxygen and 1,3-Diaminourea is as follows: CON4H6 + 2O2 = 2N2 + 3H2O + CO2
Uses:
1,3-Diaminourea is widely used in the production of pharmaceuticals, herbicides, plant growth regulators, dyes, etc.
1,3-Diaminourea is a derivative of hydrazine with a strong reduction.
1,3-Diaminourea can be not only used as the intermediates for producing energy-containing materials, but also can be used directly as the components of explosives and propellants.
1,3-Diaminourea can be used as the preservative of refinery equipment and can also be used as the oxygen scavenger of boiler water treatment agent
1,3-Diaminourea can be used as the cross-linking agent of the elastic fiber in the field of chemical fiber industry
1,3-Diaminourea can be used as the chemical raw materials and chemical industrial intermediates and is widely used in medicine, herbicides, plant growth regulators, dyes and other industries.
1,3-Diaminourea can be used as the component of the rocket propellant, the stabilizer of color development and soap quality, the antioxidants of rubber, the oxygen scavenger of boiler water, and the passivation agent of metal.
1,3-Diaminourea is a derivative of hydrazine with a strong reduction.
1,3-Diaminourea can be used as the intermediate of producing energy-containing materials and also be used directly for the components of explosives and rocket propellant.
1,3-Diaminourea can also be used as the oxygen scavenger of boiler water and is the most advanced materials for scavenging oxygen of boiler water in the world today. 1,3-Diaminourea has low toxicity, high melting point and a deoxidation efficiency being far greater than the materials currently used.
1,3-Diaminourea is an ideal product for both safety and environmental protection. In addition, it can be used as the cross-linking agent of the elastic fiber in the field of chemical fiber industry.
1,3-Diaminourea can also be used as the chemical raw materials and chemical industrial intermediates and is widely used in medicine, herbicides, plant growth regulators, dyes and other industries.
Organic intermediate and photographic chemical.
1,3-Diaminourea is widely utilized as a curing agent for epoxide-type resins and as an oxygen scrubber in boiler systems.
1,3-Diaminourea is applied in photography to stabilize color developers that produce images of the azo-methine and azine classes.
1,3-Diaminourea is used to develop ammunition propellants and stabilize soaps.
1,3-Diaminourea is also a useful reagent in organic synthesis.
1,3-Diaminourea is useful in the field of water treatment as an oxygen scavenger for boiler water and also as a passivating agent for metal surfaces to reduce the corrosion rate of metals.
1,3-Diaminourea can react with dissolved oxygen in water to produce carbon dioxide, nitrogen, and water. When used, powdered 1,3-Diaminourea may be directly put into water, or an aqueous solution thereof may be used.
They can be used alone or in combination with redox catalysts such as hydroquinone or other Quinones, and cobalt complexes.
The 1,3-Diaminourea is suitably used at a temperature in the range of 87.8 to 176.7 °C., I .e., below the vaporization temperature of water.
1,3-Diaminourea has strong reducibility.
1,3-Diaminourea can be used as energetic material intermediate, components of fire explosive and propellant directly; also as refinery equipment of preservatives and boiler water treatment of deoxidizer.
In Chemical fiber industry, it goodelastic fiber crosslinking agent .
As chemical raw materials and chemical intermediates,it widely used in medicine, herbicide and plant growth regulator, dye, etc.c.
Nature
white crystalline powder obtained by crystallization from aqueous ethanol.
1,3-Diaminourea had a melting point of 153 °c and began to decompose upon dissolution.
Very soluble in water, 1% aqueous solution of pH 7.4.
Almost insoluble in alcohol, ether, chloroform and benzene.
1,3-Diaminourea reacts with hydrochloric acid, sulfuric acid, oxalic acid, phosphoric acid and nitric acid to form salts.
The generated chloride is very soluble in water, while the generated sulfate and oxalate are only slightly soluble in water, phosphate and nitrate can not be precipitated and crystallized.
In the presence of nitrous acid, the 1,3-Diaminourea is converted to the compound carbonyl azide which is highly explosive.
The aqueous solution of 1,3-Diaminourea gradually decomposes when it is heated with an acid or a base.
Application
1,3-Diaminourea can be used:
As an oxygen scavenger.
In the synthesis of polydentate Schiff base ligands with various aldehydes and ligands by condensation.
In the synthesis of trifluoromethyl-containing (E)-N′-arylidene-1H-pyrazole-1-1,3-Diaminoureas by cyclocondensation reaction which shows antioxidant and antimicrobial properties.
Applications:
Intermediate
Dyestuff Intermediates
Deoxidizer of water treatment
Antioxidant in coating industry
Advantages:
High quality and competitive price
Advanced equipments for testing and manufacturing
Customized service according to your inquiry
Short lead time
Good after-sale service
1,3-Diaminourea is widely utilized as a curing agent for epoxide-type resins and as an oxygen scrubber in boiler systems.
1,3-Diaminourea is applied in photography to stabilize color developers that produce images of the azo-methine and azine classes.
1,3-Diaminourea is used to develop ammunition propellants and stabilize soaps.
1,3-Diaminourea is also a useful reagent in organic synthesis.
1,3-Diaminourea is used as an oxygen scavenger in water treatment for boilers.
1,3-Diaminourea is an alternative to the hazardous and potentially carcinogenic hydrazine.
1,3-Diaminourea reacts with oxygen to make water and nitrogen and urea.
1,3-Diaminourea also passivates metals and reduces metal oxides.
1,3-Diaminourea is widely used in the production of drugs, herbicides,rubber, plant growth regulators, and dyestuffs.
1,3-Diaminourea, also called Carbodihydrazide, is a high performance oxygen scavenger which can be used in all types of boilers. 1,3-Diaminourea is a white, water-soluble solid that decomposes upon melting point around 153°C.
1,3-Diaminourea can be used as oxygen scrubber as direct replacement for Hydrazine in any boiler without the associated safety hazards and handling precautions.
The product is based on volatile chemistry and so leaves no dissolved solids and minimal ammonia to the boiler system.
1,3-Diaminourea does provide outstanding protection from oxygen corrosion together with excellent feed water and boiler system passivation.
1,3-Diaminourea reacts directly with oxygen.
1,3-Diaminourea helps prevent oxygen damage and continues to passivate metal surfaces during wet lay-up.
1,3-Diaminourea can also be used as a curing agent for epoxide-type resins.
1,3-Diaminourea is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 100 to < 1 000 tonnes per annum.
1,3-Diaminourea is used in formulation or re-packing and at industrial sites.
Formulation
1,3-Diaminourea is used in the following products: water treatment chemicals.
Release to the environment of 1,3-Diaminourea can occur from industrial use: formulation of mixtures.
Uses at industrial sites
1,3-Diaminourea is used in the following products: water treatment chemicals and polymers.
1,3-Diaminourea is used in the following areas: municipal supply (e.g. electricity, steam, gas, water) and sewage treatment, mining and formulation of mixtures and/or re-packaging.
1,3-Diaminourea is used for the manufacture of: chemicals.
Release to the environment of 1,3-Diaminourea can occur from industrial use: as processing aid, in processing aids at industrial sites, for thermoplastic manufacture and in the production of articles.
