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Carbohydrazide

Carbohydrazide Suppliers list
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CAS:497-18-7
Purity:99% Package:25Kg/Bag
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CAS:497-18-7
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CAS:497-18-7
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Carbohydrazide manufacturers

  • Carbohydrazide
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  • $10.00 / 1kg
  • 2024-06-17
  • CAS:497-18-7
  • Min. Order: 1kg
  • Purity: 99%
  • Supply Ability: 600tons
  • Carbohydrazide
  • Carbohydrazide pictures
  • $5.00 / 1kg
  • 2024-06-17
  • CAS:497-18-7
  • Min. Order: 1kg
  • Purity: 99%
  • Supply Ability: 300tons
  • Carbohydrazide
  • Carbohydrazide  pictures
  • $10300.00 / 10tons
  • 2024-06-17
  • CAS:497-18-7
  • Min. Order: 1tons
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Related articles

  • Synthesis of carbohydrazide
  • Carbohydrazide which is a volatile oxygen scavenger contributes no solids to the system, reacts readily with oxygen at low tem....
  • Sep 16,2019
Carbohydrazide Chemical Properties
Melting point 150-153 °C (lit.)
Boiling point 167.26°C (rough estimate)
density 1.02
vapor pressure 0Pa at 25℃
refractive index 1.4164 (estimate)
storage temp. Keep in dark place,Inert atmosphere,2-8°C
solubility DMSO (Slightly), Water (Slightly)
form Crystalline Powder
pka11.81±0.20(Predicted)
color White
Water Solubility Soluble in water.
Merck 14,1804
BRN 1747069
Stability:Stable, but may explode if heated. Incompatible with strong acids, strong oxidizing agents.
InChIKeyXEVRDFDBXJMZFG-UHFFFAOYSA-N
LogP-2.94 at 21.6℃
CAS DataBase Reference497-18-7(CAS DataBase Reference)
NIST Chemistry ReferenceCarbonic dihydrazide(497-18-7)
EPA Substance Registry SystemCarbohydrazide (497-18-7)
Safety Information
Hazard Codes Xi,N,Xn
Risk Statements 5-22-51/53-36/37/38-20/21/22-43-38
Safety Statements 61-36/37/39-36/37
RIDADR UN3077
WGK Germany 3
RTECS FF2625000
TSCA Yes
HazardClass 9
PackingGroup III
HS Code 29280000
MSDS Information
ProviderLanguage
1,3-Diaminourea English
SigmaAldrich English
ACROS English
ALFA English
Carbohydrazide Usage And Synthesis
Product FeaturesCarbohydrazide is a white crystalline thin and short columnar crystal or white powder at room temperature. It is insoluble in alcohol, easily soluble in water with dissolution absorbing heat. It is insoluble in alcohol, ether, and benzene. Owing to that, it is a kind of derivative of hydrazine and thus having strong reduction ability. It is non-toxic, and can replace hydrazine and oximes. It has a broad range of application in industry. For example, it can be used as the oxygen scavenging agent of boiler water in the field of water treatment and is regarded as most advanced materials for oxygen scavenging of boiler water. It has a low toxicity and high melting point with its deoxidizing efficiency being far greater than the current materials used and is a idea product for both safety and environmental protection; it can also be used as a rocket propellant components; moreover, owing to that its hydrogen atoms attached to the nitrogen atom is easily substituted by other groups, it can be used as the cross-linking agents of elastic fibers in the textile field, the formaldehyde scavenger, as well as the antioxidant of carotene pigment. In addition, adding an appropriate amount of carbohydrazide to the phenol fungicides containing can play a role on preventing discoloration and rancidity. As a chemical raw material and chemical industry intermediates, it is widely used in medicine, herbicides, plant growth regulators, dyes and other industries.
Oxygen scavenger of the boiler waterWhen acting as the oxygen scavenger of boiler water, carbohydrazide may be directly added into the water while its aqueous solution can also be used. The usage amount of carbohydrazide 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 carbohydrazide is after the thermal scavenging of oxygen. The reaction of oxygen and carbohydrazide is as follows: CON4H6 + 2O2 = 2N2 + 3H2O + CO2
Reference quality standardsItem Index
Appearance: fine white crystals or white short columnar crystals
Purity% ≥98.0%
Free hydrazine ≤250.0mg/L
Loss of weight by drying ≤0.2%
PH (12% aqueous solution) 8.45 ± 1.25
UsesIt is widely used in the production of pharmaceuticals, herbicides, plant growth regulators, dyes, etc.(1) carbohydrazide is a derivative of hydrazine with a strong reduction. It 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. (2) it can be used as the preservative of refinery equipment and can also be used as the oxygen scavenger of boiler water treatment agent (3) It can be used as the cross-linking agent of the elastic fiber in the field of chemical fiber industry (4) it 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.
It 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.
Carbohydrazide is a derivative of hydrazine with a strong reduction. It can be used as the intermediate of producing energy-containing materials and also be used directly for the components of explosives and rocket propellant. It 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. It has low toxicity, high melting point and a deoxidation efficiency being far greater than the materials currently used. It 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. It 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.
The above information is edited by the chemicalbook of Dai Xiongfeng.
Categorytoxic substances
Toxicity gradingpoisoning
Acute toxicityIntraperitoneal-mouse LD50: 167 mg/kg; Intravenous-Mouse LD50: 120 mg/kg.
Explosive and hazardous characteristicsit is explosive upon heating; it can generate explosive diazide compound upon reaction with nitrous acid.
Flammability and hazard characteristicsthermal decomposition into toxic nitric oxide gas.
Storage characteristicsTreasury: ventilation, low-temperature and drying; it should be stored separately from strong acids and strong oxidants.
Extinguishing agentWater, carbon dioxide, dry powder, foam.
Chemical Propertieswhite powder
UsesOrganic intermediate and photographic chemical.
UsesCarbohydrazide is widely utilized as a curing agent for epoxide-type resins and as an oxygen scrubber in boiler systems. It is applied in photography to stabilize color developers that produce images of the azo-methine and azine classes. It is used to develop ammunition propellants and stabilize soaps. It is also a useful reagent in organic synthesis.
DefinitionChEBI: A carbohydrazide obtained by formal condensation between hydrazinecarboxylic acid and hydrazine.
Flammability and ExplosibilityNon flammable
Safety ProfilePoison by intravenous and intraperitoneal routes. Reacts with nitrous acid to form the explosive carbonic dazide. When heated to decomposition it emits toxic fumes of NOx.
Carbohydrazide Preparation Products And Raw materials
Preparation Products4-Amino-2,4-dihydro-5-(1-methylethyl)-3H-1,2,4-triazol-3-one
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