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Aliphatic and alicyclic building blocks

Hydrel

Also known as Gidrel, 2-Chloroethylphosphonic acid dihydrazine, Gydrel

CAS 67255-31-6Formula C4H16Cl2N2O6P2Molar mass 321.03 g/mol
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Hydrel chemical structure, C4H16Cl2N2O6P2, CAS 67255-31-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
67255-31-6
Formula
C4H16Cl2N2O6P2
Molar mass
321.03 g/mol
HS code
293159
Category
Aliphatic and alicyclic building blocks

What is Hydrel?

Plain description, key identifiers and synonyms

Hydrel is a chemical substance with the molecular formula C4H16Cl2N2O6P2 and a molar mass of 321.03 g/mol. Its CAS registry number is 67255-31-6. The IUPAC name is bis(2-chloroethylphosphonic acid), hydrazine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bis(2-chloroethylphosphonic acid), hydrazine
CAS number
67255-31-6 CAS number cross-checkedOther or deprecated CAS: 74968-27-7
Molecular formula
C4H16Cl2N2O6P2
UNII
T7OH669X5S
InChIKey
UZXWBAGHVQOXAH-UHFFFAOYSA-N
InChI
InChI=1S/2C2H6ClO3P.H4N2/c2*3-1-2-7(4,5)6;1-2/h2*1-2H2,(H2,4,5,6);1-2H2
SMILES (canonical and isomeric)
C(CCl)P(=O)(O)O.C(CCl)P(=O)(O)O.NN

Synonyms

  • Gidrel
  • 2-Chloroethylphosphonic acid dihydrazine
  • Gydrel
  • 2-chloroethylphosphonic acid, hydrazine
  • Bis(2-chloroethylphosphonate)hydrazinium
  • (2-Chloroethyl)phosphonic acid--hydrazine (2/1)
  • Phosphonic acid, 2-chloroethyl-,hydrazine salt -

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
321.03 g/molcalc.
Exact mass
319.9861 Dacalc.
LogP (octanol/water)
-0.38calc.
Topological polar surface area
167.1 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
16calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (1 violation)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.

Hydrel suppliers

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Hydrel 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

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 Hydrel is traded under.

HS 2931.59Indicative HS code

Halogenated organo-phosphorous derivatives, other

World exports in 2024
$46.1M
+14.5% vs 2023, imports $88.5M
2022 to 2024
Top exporters
  1. China32.9%
  2. United States32.0%
  3. Germany8.4%
Top importers
  1. Brazil32.3%
  2. United States19.2%
  3. South Korea6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Hydrel?

Hydrel is a chemical substance with the molecular formula C4H16Cl2N2O6P2 and a molar mass of 321.03 g/mol. Its CAS registry number is 67255-31-6. The IUPAC name is bis(2-chloroethylphosphonic acid), hydrazine.

What is the CAS number of Hydrel?

The CAS registry number of Hydrel is 67255-31-6. Other or deprecated CAS numbers: 74968-27-7.

What is the molecular formula and weight of Hydrel?

The molecular formula of Hydrel is C4H16Cl2N2O6P2 and its molar mass is 321.03 g/mol.

What is Hydrel used for?

Known uses and roles of Hydrel include building blocks in research and laboratory.

Is Hydrel hazardous?

No GHS hazard classification for Hydrel 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 Hydrel?

Hydrel is usually classified under HS code 293159 (Halogenated organo-phosphorous derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydrel?

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What is the price of Hydrel?

Suppliers quote Hydrel 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 Hydrel

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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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