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Oxygen scavengers and boiler chemicals

Carbohydrazide

Also known as Carbonic dihydrazide, 1,3-Diaminourea, Carbonohydrazide

CAS 497-18-7Formula CH6N4OMolar mass 90.09 g/molEC 207-837-2
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 63 suppliers listed
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Carbohydrazide chemical structure, CH6N4O, CAS 497-18-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
497-18-7
Formula
CH6N4O
Molar mass
90.09 g/mol
Physical form
Liquid
HS code
292800
Category
Oxygen scavengers and boiler chemicals
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Carbohydrazide?

Plain description, key identifiers and synonyms

Carbonyl dihydrazine is a carbohydrazide obtained by formal condensation between hydrazinecarboxylic acid and hydrazine. It is a carbohydrazide and a one-carbon compound. It is functionally related to a hydrazine and a carbazic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3-diaminourea
CAS number
497-18-7 CAS number cross-checked
EC number
207-837-2
Molecular formula
CH6N4O
UNII
W8V7FYY4WH
MDL number
MFCD00007591
InChIKey
XEVRDFDBXJMZFG-UHFFFAOYSA-N
InChI
InChI=1S/CH6N4O/c2-4-1(6)5-3/h2-3H2,(H2,4,5,6)
SMILES (canonical and isomeric)
C(=O)(NN)NN

Synonyms

  • Carbonic dihydrazide
  • 1,3-Diaminourea
  • Carbonohydrazide
  • Carbazide
  • Carbodihydrazide
  • Karbazid
  • Carbazic acid, hydrazide
  • Carbonic acid, dihydrazide
  • Hydrazinecarboxylic acid, hydrazide
  • Hydrazine, carbonyldi-
  • Hydrazine, carbonylbis-
  • Semicarbazide, 4-amino-
  • Urea, 1,3-diamino-
  • Urea, N,N'-diamino-
  • carbonyl dihydrazine
  • Hydrazinecarboxamide, N-amino-
  • Cabazide
  • 1,3-Diaminomocovina
  • hydrazinecarbohydrazide
  • Carbonohydrazid
  • carbonodihydrazide
  • N,N'-diaminourea
  • 4-aminosemicarbazide
  • carbonylbis-hydrazine
  • N-aminohydrazinecarboxamide
Show all 34 synonyms
  • N-aminohydrazine carboxamide
  • hydrazide hydrazinecarboxylic acid
  • 4-03-00-00240 (Beilstein Handbook Reference)
  • carbonyldihydrazide
  • Urea,3-diamino-
  • Urea,N'-diamino-
  • Carbohydrazide, 98%
  • O C (N H N H2)2
  • Carbohydrazide, 1,3-diaminourea, 1,3-Diaminourea,

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
90.09 g/molcalc.
Exact mass
90.0542 Dacalc.
LogP (octanol/water)
-1.97calc.
Topological polar surface area
93.17 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (23)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Carbohydrazide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 63 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

63 suppliers in 13 countries

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Carbohydrazide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Corrosion inhibitor, Intermediate.

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Carbohydrazide is traded under.

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Carbohydrazide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Carbohydrazide, based on the data on this page

What is Carbohydrazide?

Carbonyl dihydrazine is a carbohydrazide obtained by formal condensation between hydrazinecarboxylic acid and hydrazine. It is a carbohydrazide and a one-carbon compound. It is functionally related to a hydrazine and a carbazic acid.

What is the CAS number of Carbohydrazide?

The CAS registry number of Carbohydrazide is 497-18-7.

What is the molecular formula and weight of Carbohydrazide?

The molecular formula of Carbohydrazide is CH6N4O and its molar mass is 90.09 g/mol.

What is Carbohydrazide used for?

Industrial uses: Corrosion inhibitor, Intermediate.

Is Carbohydrazide hazardous?

Carbohydrazide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Carbohydrazide?

Carbohydrazide is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Carbohydrazide?

CompoundList lists 63 suppliers of Carbohydrazide in China, United States, India, Germany and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Carbohydrazide in India?

5 suppliers in India list Carbohydrazide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Carbohydrazide?

Suppliers quote Carbohydrazide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Carbohydrazide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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