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Nitriles, nitro and azo compounds

Formaldehyde hydrazone

Also known as methylenehydrazine, Formaldehyde, hydrazone, methylidenehydrazine

CAS 6629-91-0Formula CH4N2Molar mass 44.06 g/mol
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Formaldehyde hydrazone chemical structure, CH4N2, CAS 6629-91-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6629-91-0
Formula
CH4N2
Molar mass
44.06 g/mol
HS code
292800
Category
Nitriles, nitro and azo compounds

What is Formaldehyde hydrazone?

Plain description, key identifiers and synonyms

Formaldehyde hydrazone is a chemical substance with the molecular formula CH4N2 and a molar mass of 44.06 g/mol. Its CAS registry number is 6629-91-0. The IUPAC name is methylidenehydrazine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methylidenehydrazine
CAS number
6629-91-0 CAS number cross-checked
Molecular formula
CH4N2
UNII
19KJS193L3
InChIKey
IDBOAVAEGRJRIZ-UHFFFAOYSA-N
InChI
InChI=1S/CH4N2/c1-3-2/h1-2H2
SMILES (canonical and isomeric)
C=NN

Synonyms

  • methylenehydrazine
  • Formaldehyde, hydrazone
  • methylidenehydrazine
  • NNC 55-0396 2HCl?

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
44.06 g/molcalc.
Exact mass
44.0374 Dacalc.
LogP (octanol/water)
-0.44calc.
Topological polar surface area
38.38 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Formaldehyde hydrazone suppliers

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Formaldehyde hydrazone price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Formaldehyde hydrazone 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 Formaldehyde hydrazone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Formaldehyde hydrazone, based on the data on this page

What is Formaldehyde hydrazone?

Formaldehyde hydrazone is a chemical substance with the molecular formula CH4N2 and a molar mass of 44.06 g/mol. Its CAS registry number is 6629-91-0. The IUPAC name is methylidenehydrazine.

What is the CAS number of Formaldehyde hydrazone?

The CAS registry number of Formaldehyde hydrazone is 6629-91-0.

What is the molecular formula and weight of Formaldehyde hydrazone?

The molecular formula of Formaldehyde hydrazone is CH4N2 and its molar mass is 44.06 g/mol.

Is Formaldehyde hydrazone hazardous?

No GHS hazard classification for Formaldehyde hydrazone is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Formaldehyde hydrazone?

Formaldehyde hydrazone 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 Formaldehyde hydrazone?

Post a free request on CompoundList and suppliers of Formaldehyde hydrazone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Formaldehyde hydrazone?

Suppliers quote Formaldehyde hydrazone 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 Formaldehyde hydrazone

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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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