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Nitriles, nitro and azo compounds

Benzamidine

Also known as Benzenecarboximidamide, Benzimidamide, Phenylamidine

CAS 618-39-3Formula C7H8N2Molar mass 120.16 g/molEC 210-546-3
GHS signal word: Warning. Pictograms: Harmful or irritant 56 suppliers listed
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Benzamidine chemical structure, C7H8N2, CAS 618-39-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
618-39-3
Formula
C7H8N2
Molar mass
120.16 g/mol
EC number
210-546-3
HS code
292529
Category
Nitriles, nitro and azo compounds

What is Benzamidine?

Plain description, key identifiers and synonyms

Benzamidine is a carboxamidine that is benzene carrying an amidino group. It has a role as a serine protease inhibitor. It is a member of benzenes and a carboxamidine. It is functionally related to a benzoic acid. It is a conjugate base of a benzamidine(1+).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
benzenecarboximidamide
CAS number
618-39-3 CAS number cross-checkedOther or deprecated CAS: 123920-06-9, 125772-71-6, 1670-14-0
EC number
210-546-3
Molecular formula
C7H8N2
UNII
KUE3ZY3J1F
MDL number
MFCD00042826
InChIKey
PXXJHWLDUBFPOL-UHFFFAOYSA-N
InChI
InChI=1S/C7H8N2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H3,8,9)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C(=N)N

Synonyms

  • Benzenecarboximidamide
  • Benzimidamide
  • Phenylamidine
  • Benzamidine (Protonated)
  • 1bra
  • 1c5z
  • 1ce5
  • 1f5k
  • 1v2j
  • 1v2s
  • 1v2v
  • 2j9n
  • Benzamidinium chloride
  • BEN
  • Benzenecarboxamidine
  • Benzenylamidine, NSC 243704, Phenylamidine,
  • 1oss
  • 2ast
  • benzene, amidino-
  • 1c5o
  • 1c5p
  • 1h4w
  • 1v2l
  • 1v2m
  • 1v2u
Show all 27 synonyms
  • Sdccgsbi-0050191.p002
  • beta-allo-2-Octulopyranose, 2,7-anhydro-1,4,8-trideoxy-5-O-(phenylmethyl)-

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
120.16 g/molcalc.
Exact mass
120.0687 Dacalc.
LogP (octanol/water)
0.97calc.
Topological polar surface area
49.87 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
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.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • 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.
  • 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.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Benzamidine suppliers

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

All 56 suppliers
30 of 30 offers

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

56 suppliers in 12 countries

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Benzamidine price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Serine Proteinase Inhibitors

Roles

  • enzyme inhibitor
  • protease inhibitor
  • serine protease inhibitor

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 Benzamidine is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Benzamidine?

Benzamidine is a carboxamidine that is benzene carrying an amidino group. It has a role as a serine protease inhibitor. It is a member of benzenes and a carboxamidine. It is functionally related to a benzoic acid. It is a conjugate base of a benzamidine(1+).

What is the CAS number of Benzamidine?

The CAS registry number of Benzamidine is 618-39-3. Other or deprecated CAS numbers: 123920-06-9, 125772-71-6, 1670-14-0.

What is the molecular formula and weight of Benzamidine?

The molecular formula of Benzamidine is C7H8N2 and its molar mass is 120.16 g/mol.

What is Benzamidine used for?

Known uses and roles of Benzamidine include building blocks in research and laboratory, screening compounds in research and laboratory, enzyme inhibitor, protease inhibitor, serine protease inhibitor and 1 more.

Is Benzamidine hazardous?

Benzamidine carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Benzamidine?

Benzamidine is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Benzamidine?

CompoundList lists 56 suppliers of Benzamidine in China, United States, Hong Kong, Canada and 8 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Benzamidine?

Suppliers quote Benzamidine 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 Benzamidine

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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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